Ngo v. The Queen's Medical Center. , 136 Haw. 54 ( 2015 )


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  •    *** FOR PUBLICATION IN WEST’S HAWAII REPORTS AND PACIFIC REPORTER ***
    Electronically Filed
    Supreme Court
    SCWC-30172
    31-AUG-2015
    08:02 AM
    IN THE SUPREME COURT OF THE STATE OF HAWAIʻI
    ---oOo---
    CUC THI NGO, ANGELO NGUYEN, ANTHONY NGUYEN, AN VAN NGUYEN, and
    LEO YOUNG, ESQ., in his capacity as Personal Representative of
    the Estate of Jennifer Giao Nguyen, Deceased,
    Petitioners/Plaintiffs-Appellants,
    vs.
    THE QUEEN’S MEDICAL CENTER, a Hawaiʻi Domestic Nonprofit
    Corporation; THINH T. NGUYEN, M.D.; THE EMERGENCY GROUP, INC.,
    a Hawaiʻi Domestic Professional Corporation,
    Respondents/Defendants-Appellees.
    SCWC-30172
    CERTIORARI TO THE INTERMEDIATE COURT OF APPEALS
    (ICA NO. 30172; CIV. NO. 07-1-0268)
    August 31, 2015
    RECKTENWALD, C.J., NAKAYAMA, McKENNA, AND POLLACK, JJ., AND
    CIRCUIT JUDGE AYABE, ASSIGNED BY REASON OF VACANCY
    OPINION OF THE COURT BY McKENNA, J.
    I.    Introduction
    This case arises from the death of a nine-year-old
    minor child (“Minor”) from cardiac arrest caused by hypovolemic
    shock, a condition that results when “severe blood and fluid
    loss make the heart unable to pump enough blood” through the
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    body.    Ngo v. Queen’s Med. Ctr., No. 30172, at 5 (App. Dec. 30,
    2013) (mem.).     Petitioners/Plaintiffs-Appellants are Minor’s
    parents (“Parents”), brothers, and the personal representative
    of Minor’s Estate (collectively “Plaintiffs”).           Plaintiffs
    claim, inter alia, that Respondents/Defendants-Appellees the
    Queen’s Medical Center (“QMC”),1 Dr. Thinh T. Nguyen (hereinafter
    “Defendant”), and The Emergency Group, Inc. (collectively,
    “Defendants”) failed to provide information required under the
    informed consent doctrine before treating Minor for nausea and
    vomiting with the anti-emetic medication Reglan.2            Plaintiffs
    assert that Reglan led to Minor’s hypovolemic shock because it
    increased the motility of Minor’s stomach and small intestines,
    or, in other words, increased Minor’s diarrhea.           It is
    undisputed that Defendant did not give Plaintiffs any
    information about Reglan or its risks and side effects, and did
    not provide any information regarding alternative treatments.
    The Circuit Court of the First Circuit (“circuit
    court”) granted judgment as a matter of law (“JMOL”) in favor of
    Defendants on the informed consent claim.3          The Intermediate
    1
    QMC is not a party in the appellate proceedings as the sole issue
    on appeal is Defendant’s alleged failure to obtain Plaintiffs’ informed
    consent; thus, issues concerning QMC will not be discussed except where
    relevant.
    2
    Anti-emetic medications help to prevent nausea and vomiting.
    3
    The Honorable Glenn J. Kim presided.
    2
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    Court of Appeals (“ICA”) affirmed the circuit court’s decision
    on appeal, concluding that Plaintiffs failed to meet their
    evidentiary burden regarding the “materiality of the risk of
    harm” that resulted from Defendant’s treatment of Minor with
    Reglan.
    At issue in this appeal is the extent of a plaintiff’s
    burden of presenting expert medical evidence regarding the
    “materiality of the risk of harm” that occurred in order to
    support a prima facie case for a physician’s negligent failure
    to obtain informed consent.4
    Hawaiʻi law on the doctrine of informed consent has
    evolved significantly in the past three decades.           The doctrine
    originated in the common law, and was largely codified in 1976
    in Hawaiʻi Revised Statutes (“HRS”) § 671-3, which has since been
    amended several times.     Some common law precepts, however, still
    govern.   For example, we have held that “expert testimony will
    ordinarily be required to establish the ‘materiality’ of the
    4
    Plaintiffs present the following questions on certiorari:
    1. Whether it was error to exclude or discount evidence of
    information contained in a drug’s package insert or
    [Physicians’ Desk Reference] entry, in combination with
    expert testimony as to the significance of that
    information, on a claim of informed consent.
    2. Whether a physician’s admitted failure to disclose the
    information required by [Hawaiʻi Revised Statutes (“HRS”)
    §§] 671-3(b)(1) through (6), when coupled with evidence
    of the materiality of such failure, precludes a finding
    of informed consent.
    3
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    risks, i.e., ‘the nature of risks inherent in a particular
    treatment, the probabilities of therapeutic success, the
    frequency of the occurrence of particular risks, and the nature
    of available alternatives to treatment[]’” (“expert testimony
    requirements”).    Ray v. Kapiolani Med. Specialists, 125 Hawaiʻi
    253, 262, 
    259 P.3d 569
    , 578 (2011) (citations omitted).            “The
    standard of disclosure of material risks prior to treatment,
    however, . . . is capable of determination under the patient-
    oriented standard without reference to prevailing medical
    standards or medical judgment . . . .”         Carr v. Strode, 79
    Hawaiʻi 475, 485 n.6, 
    904 P.2d 489
    , 499 n.6 (1995).
    In this case, Plaintiffs’ experts testified on the
    risks of Reglan generally, and also explained the significance
    of the information in the manufacturer’s insert.           Moreover,
    pursuant to Craft v. Peebles, 78 Hawaiʻi 287, 
    893 P.2d 138
    (1995), although a manufacturer’s insert cannot, on its own,
    satisfy a plaintiff’s burden of producing expert testimony to
    establish the materiality of a risk, it can constitute evidence
    that a fact finder may consider along with expert testimony on
    the issue.   We hold, therefore, that Plaintiffs presented
    sufficient expert medical evidence to advance their informed
    consent claim to the jury.
    In addition, Plaintiffs’ complaint clearly alleged
    that Defendant treated Minor “without obtaining the informed
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    consent of Plaintiff[.]”        The informed consent doctrine includes
    a physician’s duty to disclose “recognized alternative
    treatments or procedures” and “intended and anticipated results
    of the proposed treatment or procedure[.]”           Relevant evidence of
    alternative treatments and the use of Reglan in children was
    adduced.      Therefore, the ICA erred in concluding that Plaintiffs
    waived the issue of Defendant’s failure to inform them of all
    statutorily mandated information.
    Accordingly, we vacate in part (1) the ICA’s February
    11, 2014 Judgment on Appeal as to Plaintiffs’ informed consent
    claims; and (2) the circuit court’s July 28, 2009 Final Judgment
    as well as its order granting Defendants’ motion for JMOL as to
    Plaintiffs’ informed consent claims, and remand the case to the
    circuit court for further proceedings consistent with this
    opinion.
    II.    Background
    A.    Facts
    On Friday, February 13, 2004, Minor’s Parents and two
    brothers took nine-year-old Minor to the QMC emergency room
    (“ER”) to be treated for diarrhea and vomiting, which she had
    been experiencing since the previous night.5           Defendant treated
    Minor at the QMC ER, where he performed a variety of tests,
    5
    Parents are not fluent in English, but their children are fluent.
    Minor’s brother Anthony Nguyen served as an interpreter for Defendant and
    Parents while Minor was in the hospital.
    5
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    which revealed an elevated heart rate, mild to moderate
    dehydration, and a possible infection.
    Defendant diagnosed Minor with viral gastroenteritis,
    an infection of the stomach.        He ordered intravenous (“IV”)
    fluid of normal saline and ten milligrams of Reglan through an
    IV line.   Upon discharge, Minor was given a prescription for ten
    milligrams of Reglan tablets to take as needed for nausea, and
    instructed to follow up with her primary physician in three to
    four days.
    Minor continued to suffer from diarrhea and vomiting
    after returning home.      Minor’s mother testified that she gave
    Minor Reglan tablets every six hours as directed.6            One of
    Minor’s brothers called QMC three times -– on Friday night,
    Saturday morning, and Saturday night –- concerning Minor’s
    continued symptoms.      Each time, QMC staff told him to let the
    medicine work, and to follow up with Minor’s primary physician
    on Monday.    The family testified that Minor’s symptoms remained
    the same throughout the weekend.
    At 3:00 a.m. on Sunday morning, Minor told her Parents
    that she was having trouble breathing.          At 7:00 a.m., Minor
    became unconscious and an ambulance was called to take her to
    6
    Plaintiffs’ expert testimony focused mainly on the IV
    administration of Reglan because whether any Reglan tablets actually entered
    Minor’s system was disputed.
    6
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    the hospital, where she died of cardiac arrest caused by
    hypovolemic shock.
    B.    Circuit Court Proceedings
    On February 12, 2007, Plaintiffs filed a complaint in
    circuit court against Defendants, alleging medical negligence
    and negligent failure to obtain informed consent.
    1.    The Trial
    a.    Testimony of Defendant
    At trial, Plaintiffs called Defendant as an adverse
    witness.    The following exchange took place regarding
    Defendant’s failure to provide pretreatment disclosures:
    Q. When you prescribed and caused the intravenous
    dosage of Reglan to be given, before doing so, did you ever
    tell the parents of any risks involved with Reglan?
    A.   No.
    Q. After the IV was in process, did you ever tell
    the parents of any risks associated with Reglan?
    A.   No[.]
    . . .
    Q. When you wrote out the prescription, . . . before
    the parents left the hospital, did you at any time give
    them any warnings of any kind about the drug Reglan?
    A.   No.
    Defendant testified that he did not inform Parents of
    the manufacturer’s position on the safety and effectiveness of
    Reglan in pediatric patients.         He contended that the
    manufacturer’s warning meant that the safety and effectiveness
    of Reglan in pediatric patients had not been established to
    standards set by the United States Food and Drug Administration
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    (“FDA”); however, he testified that “[his] training and
    experience has made this drug a safe medication.”           Defendant
    also testified that he prescribed Reglan to pediatric patients
    as “an off-label use[,]” and that he prescribed the dosage based
    on Minor’s weight, which was approximately 150 lbs.
    Defendant testified that he knew diarrhea was a side
    effect of Reglan.    He further testified that he did not attempt
    to treat Minor’s diarrhea other than by ordering IV fluids to
    hydrate her.
    In addition, Defendant testified that at the time he
    administered Reglan to Minor, he knew that an alternative drug
    without Reglan’s side effects was “out there but [he] didn’t use
    it” because “it wasn’t available to [him] to use.”           Plaintiffs’
    counsel clarified that the alternative drug was Zofran.
    Plaintiffs’ counsel also introduced into evidence a list of
    drugs approved by the FDA in 1991, which included Zofran.
    Defendant further testified that he knew of the existence of an
    alternative anti-emetic medication approved by the FDA to treat
    pediatric patients for nausea, Phenergan; however, he contended
    that it was a “worse drug[.]”
    b.    Reglan Manufacturer’s Package Insert
    During Defendant’s testimony, a printout of the FDA
    version of the Reglan manufacturer’s package insert in effect at
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    the time (“manufacturer’s insert”) was entered into evidence
    over objection.7
    The manufacturer’s insert states, in relevant part, as
    follows:
    CONTRAINDICATIONS
    [Reglan] should not be used whenever stimulation of
    gastrointestinal motility might be dangerous, e.g., in the
    presence of gastrointestinal hemorrhage, mechanical
    obstruction or perforation.
    . . . .
    Pediatric Use
    Safety and effectiveness in pediatric patients have not
    been established (see OVERDOSAGE).
    . . . .
    The safety profile of [Reglan] in adults cannot be
    extrapolated to pediatric patients.
    . . . .
    ADVERSE REACTIONS
    In general, the incidence of adverse reactions correlates
    with the dose and duration of [Reglan] administration. The
    following reactions have been reported, although in most
    instances, data do not permit an estimate of frequency:
    . . . .
    Gastrointestinal
    Nausea and bowel disturbances, primarily diarrhea.
    c.    Testimony of Dr. Gary Leroy Towle (“Dr. Towle”)
    Plaintiffs called Dr. Towle to testify as an expert on
    the standard of care and the material risks of Reglan.               Dr.
    Towle testified that “Reglan is not recommended for use in
    children except for very specific circumstances” not present in
    7
    Defendant testified that although he had not read the version of
    the manufacturer’s insert admitted at trial, he had known of the information
    it contained at the time he administered Reglan to Minor. In addition,
    another expert, Dr. Gary Leroy Towle, explained that the version admitted at
    trial was substantially similar to the Physicians’ Desk Reference or
    manufacturer’s package insert for Reglan.
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    this case.   Interpreting the manufacturer’s insert, Dr. Towle
    testified that the manufacturer could not say Reglan was safe to
    treat pediatric patients, but was not saying it was unsafe
    either.   Rather, Reglan’s safety in pediatric patients was
    undetermined.
    Dr. Towle testified that “one of the ways Reglan works
    is that it gets the pylorus, or the sphincter between the
    stomach and small intestines, to relax and open up and allow the
    contents of the stomach to pass through to the small intestine.”
    He stated that “[t]he problem with Reglan is it increases the
    motility of the stomach and small intestine.          In other words, it
    gets it going, it gets things flowing through it.”           Dr. Towle
    also testified that the contraindications section in the Reglan
    insert states that Reglan should not be used whenever
    stimulation of gastrointestinal motility might be dangerous.
    Dr. Towle stated that in Minor’s case, although Reglan did not
    directly cause diarrhea in and of itself, “if you’re emptying
    the stomach and you’re dumping things into the small intestine,
    it kind of gets the intestines going and diarrhea is one of the
    more common side effects with Reglan.”
    Dr. Towle testified that he would have started with
    other anti-emetics, such as Phenergan and Zofran, which the FDA
    has specifically approved to treat pediatric patients, and which
    were safer for use in children with nausea and vomiting.            He
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    testified that one of the more common side effects of Reglan was
    increased diarrhea, and while Zofran or other “anti-emetics
    theoretically can increase diarrhea[,] Reglan is more likely to”
    have this effect.     Dr. Towle also testified that Zofran was an
    “excellent anti-emetic.     It’s used in chemotherapy patients, in
    cancer patients, and also for people with gastroenteritis.             It
    works very well.    It has a relatively low side effect profile.
    It’s very popular and it could be the most popular one now
    replacing even Tigan and Phenergan.”
    Dr. Towle stated, however, that he could not testify
    to a reasonable degree of medical probability that Reglan
    increased Minor’s nausea and diarrhea, nor that it had any side
    effects that were of consequence to Minor.         Dr. Towle also
    stated that he could not say whether Defendant should have
    warned Parents about any risks because “[i]t’s like asking
    what’s the dose of some medicine you’re not supposed to give.               I
    can’t answer that.”
    d.    Testimony of Dr. James Gallup (“Dr. Gallup”)
    Plaintiffs also called Dr. Gallup to testify as an
    expert on the cause of Minor’s death.        With respect to any
    effect Reglan may have had on Minor’s system, Dr. Gallup opined
    that “it did what Reglan is noted well to do and that is
    stimulate the contraction of smooth muscle, particularly in the
    intestine and the stomach to a lesser extent.”          Dr. Gallup
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    testified that Reglan relaxes the “sphincter so that any fluid
    in the stomach can easily get transported down through the small
    intestine into the large intestine.”        He further testified that
    Zofran does not do this and “works almost exactly in the
    opposite direction.”
    Dr. Gallup opined that Reglan moderately increased
    Minor’s diarrhea, which significantly increased her dehydration.
    He further opined that the increase in dehydration was a
    substantial factor leading to Minor’s hypovolemic shock because
    the dehydration “quite significantly hastened the loss of
    workable fluid . . . into the intestinal tract and loss from the
    body ultimately.”    As to Minor’s cause of death, he opined that
    Minor “died from cardiac arrest as a result of hypovolemic
    shock[.]”    He further opined that Reglan was a substantial
    factor in causing Minor’s death.
    On redirect, Dr. Gallup clarified that Reglan “may
    have increased the volume [of diarrhea, but] may not have
    increased the frequency.”
    e.   Motion for Judgment as a Matter of Law
    At the close of Plaintiffs’ case in chief, Defendants
    moved for JMOL on the issue of informed consent, arguing that
    Plaintiffs’ experts failed to opine on the materiality of the
    risks of Reglan to meet Plaintiffs’ burden of adducing expert
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    medical testimony.      Plaintiffs cross-moved for JMOL,8 contending
    that the testimony of Drs. Towle and Gallup in combination with
    the manufacturer’s insert constituted “competent expert
    evidence” of the risks.
    The circuit court agreed with Defendants, and stated:
    [T]he issue essentially is there’s not a legally cognizable
    informed consent claim in this case. . . .
    In the Court’s view, not only is there no expert
    testimony, as is required[,] . . . the parents . . . were
    never asked whether if they had been informed of certain
    things they would have given permission, etc., etc., [sic]
    which are all elements of informed consent.[9]
    . . . [W]hat we’ve got here is a case of medical
    negligence, period. Informed consent may sound like –- may
    sound viable sort of in some sort of common sensible view,
    well, he should have told the parents about Reglan and what
    it could cause, etc. But . . . in the Court’s view there
    8
    Hawaii Rules of Civil Procedure (HRCP) Rule 50(a) (2000)
    provides:
    (1) If during a trial by jury a party has been fully
    heard on an issue and there is no legally sufficient
    evidentiary basis for a reasonable jury to find for that
    party on that issue, the court may determine the issue
    against that party and may grant a motion for judgment as a
    matter of law against that party with respect to a claim or
    defense that cannot under the controlling law be maintained
    or defeated without a favorable finding on that issue.
    (2) Motions for judgment as a matter of law may be
    made at any time before submission of the case to the jury.
    Such a motion shall specify the judgment sought and the law
    and the facts on which the moving party is entitled to the
    judgment.
    HRCP Rule 50(a) (emphasis added). Although Plaintiffs cross-moved for JMOL,
    the circuit court would not have been able to grant the motion at that time
    because Defendants had not presented any evidence, and thus, had not “been
    fully heard” on the informed consent claims.
    9
    We note that the circuit court erred in concluding that
    Plaintiffs failed to establish an element of informed consent by not
    specifically testifying that they would have withheld consent if properly
    informed of the risks. We address this error in note 16 in Part IV.B, infra.
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    simply is no legally cognizable claim for informed consent
    on the facts of this case.
    And you add that to –- and in a sense that’s why
    there was no expert testimony on materiality because it’s
    simply not an informed consent case.
    The circuit court granted JMOL in Defendants’ favor on the issue
    of informed consent, concluding that, even viewing the evidence
    and inferences therefrom in the light most favorable to
    Plaintiffs, a reasonable jury could not find in their favor.                On
    July 28, 2009, the circuit court subsequently entered its Final
    Judgment.
    2.     Plaintiffs’ Renewed Motion
    On August 10, 2009, Plaintiffs filed a “Renewed Motion
    to Amend the Complaint to Conform to the Evidence and Renewed
    Motion for Judgment as a Matter of Law, or, in the Alternative,
    Motion for New Trial” (“Renewed Motion”).          Plaintiffs argued,
    inter alia, that JMOL on the informed consent claim should have
    been entered in their favor because Defendant failed to provide
    statutorily mandated information pursuant to HRS § 671-3(b)
    (Supp. 2008)10 about (1) recognized alternative treatments and/or
    10
    HRS § 671-3 (Supp. 2008) provides, in relevant part:
    (b) The following information shall be supplied to the
    patient or the patient’s guardian or legal surrogate prior
    to obtaining consent to a proposed medical or surgical
    treatment or a diagnostic or therapeutic procedure:
    (1) The condition to be treated;
    (2) A description of the proposed treatment or procedure;
    (3) The intended and anticipated results of the proposed
    treatment or procedure;
    (continued . . . )
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    medications, and (2) recognized material risks of serious
    complications or mortality associated with the proposed
    treatment or procedure.
    The circuit court denied Plaintiffs’ Renewed Motion at
    an October 14, 2009 hearing, and entered its order the following
    day.
    On November 13, 2009, Plaintiffs appealed the July 28,
    2009 Final Judgment and October 15, 2009 order denying their
    Renewed Motion to the ICA.
    C.     Appeal to the ICA
    On appeal, the ICA affirmed the circuit court’s grant
    of JMOL in Defendant’s favor, concluding that Plaintiffs’
    “expert testimony presented at trial [did] not sufficiently
    establish the ‘materiality of the risk of harm’ imposed by
    [Defendant’s] administration of ten milligrams of Reglan to
    [Minor].”     Ngo, mem. op. at 15.      In particular, the ICA
    ( . . . continued)
    (4) The recognized alternative treatments or procedures,
    including the option of not providing these treatments
    or procedures;
    (5) The recognized material risks of serious complications
    or mortality associated with:
    (A) The proposed treatment or procedure;
    (B) The recognized alternative treatments or
    procedures; and
    (C) Not undergoing any treatment or procedure; and
    (6) The recognized benefits of the recognized alternative
    treatments or procedures.
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    concluded that “expert testimony was not adduced to establish
    the ‘probabilities of therapeutic success’ or ‘the frequency of
    the occurrence of particular risks’ and therefore Plaintiffs
    failed to carry their evidentiary burden.”         Ngo, mem. op. at 16
    (citing Carr, 79 Hawaiʻi at 486, 
    904 P.2d at 500
    ).
    With respect to Plaintiffs’ evidence at trial, the ICA
    concluded that Dr. Towle’s testimony that he could not opine on
    whether the risks should have been explained to “[P]arents
    because Reglan ‘should not have been given [to Minor] no matter
    what in these circumstances[]’” “did not sufficiently elaborate
    on the probabilities that Reglan treatment would be
    successful[.]”    
    Id.
       The ICA further concluded that Dr. Towle’s
    testimony “that Reglan posed a greater risk of gastric motility,
    i.e., diarrhea, than other anti-emetics” did not establish the
    frequency of occurrence nor significance of that risk.            Ngo,
    mem. op. at 17.
    Addressing Plaintiffs’ argument that Defendant’s
    testimony in conjunction with the manufacturer’s warning
    established the materiality of the risk, the ICA concluded that
    “the manufacturer’s warning, in and of itself, does not
    establish the materiality of risk of harm with respect to
    Reglan, because it does not constitute ‘expert testimony’ and
    does not permit a legitimate inference regarding the materiality
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    of the risk.”11    Ngo, mem. op. at 19 (citing Craft, 78 Hawaiʻi at
    306, 
    893 P.2d at 157
    ).
    Finally, the ICA held that Plaintiffs waived their
    claim that Defendant “failed to provide statutorily mandated
    information to [Minor’s] parents other than the risks of Reglan
    . . . [b]ecause Plaintiffs failed to raise this argument to the
    circuit court[.]”     Ngo, mem. op. at 22.
    III. Standard of Review
    “A trial court’s ruling on a motion for judgment as a
    matter of law is reviewed de novo.”         Ray, 125 Hawaiʻi at 261, 
    259 P.3d at 577
     (emphasis omitted) (citations omitted).            Hawaiʻi
    appellate courts apply the same standard as the trial court.
    Miyamoto v. Lum, 104 Hawaiʻi 1, 7, 
    84 P.3d 509
    , 515 (2004)
    (citation omitted).      Trial courts apply the following standard:
    A motion for judgment as a matter of law may be granted
    only when after disregarding conflicting evidence, giving
    to the non-moving party’s evidence all the value to which
    it is legally entitled, and indulging every legitimate
    inference which may be drawn from the evidence in the non-
    moving party’s favor, it can be said that there is no
    evidence to support a jury verdict in his or her favor.
    Ray, 125 Hawaiʻi at 261, 
    259 P.3d at 577
     (brackets omitted)
    (quoting Miyamoto, 104 Hawaiʻi at 7, 
    84 P.3d at 515
    ).
    11
    The ICA explained that its holding “that no legitimate inference
    about the materiality of risks . . . can be drawn from the Reglan
    manufacturer’s warning is consistent with case law in other jurisdictions,
    which hold that testimony that a treatment may or may not be safe does not
    establish risks pertinent to an informed consent issue.” Ngo, mem. op. at 20
    (citations omitted).
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    IV.    Discussion
    Hawaii’s informed consent doctrine is generally based
    on the policy judgment that “every human being of adult years
    and sound mind has a right to determine what shall be done with
    his or her own body[.]”     Leyson v. Steuermann, 
    5 Haw. App. 504
    ,
    513, 
    705 P.2d 37
    , 44 (1985) (brackets and citation omitted),
    overruled on other grounds by Bernard v. Char, 79 Hawaiʻi 362,
    
    903 P.2d 667
     (1995) (hereinafter “Bernard II”).          “Physicians
    have an obligation to obtain the informed consent of their
    patients before administering diagnostic and treatment
    procedures.”   Barcai v. Betwee, 98 Hawaiʻi 470, 483, 
    50 P.3d 946
    ,
    959 (2002) (citing Carr, 79 Hawaiʻi at 479, 
    904 P.2d at 493
    ).               It
    is “well-settled that a physician owes a duty to a patient to
    disclose sufficient information about a proposed course of
    treatment or surgical procedure so that the patient can make an
    informed and intelligent decision about whether to submit to the
    treatment or surgical procedure[.]”        Bernard v. Char, 79 Hawaiʻi
    371, 380, 
    903 P.2d 676
    , 685 (App. 1995), aff’d, 79 Hawaiʻi 362,
    
    903 P.2d 667
     (hereinafter “Bernard I”).
    Before the informed consent doctrine was codified in
    HRS § 671-3, Hawaiʻi courts recognized the common law doctrine of
    informed consent.    See Nishi v. Hartwell, 
    52 Haw. 188
    , 191, 
    473 P.2d 116
    , 119 (1970), overruled by Carr, 79 Hawaiʻi 475, 
    904 P.2d 18
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    489.    The expert testimony requirements originated in the common
    law.    See, e.g., Mroczkowski v. Straub Clinic & Hosp., Inc., 
    6 Haw. App. 563
    , 567, 
    732 P.2d 1255
    , 1258 (1987) (trial court
    granted directed verdict based on patient’s failure to introduce
    expert testimony as to specific risks of harm defendant was
    required to disclose); Bernard I, 79 Hawaiʻi at 383, 903 P.2d at
    688 (adopting expert testimony requirements in dental
    malpractice case founded on the common law doctrine of informed
    consent).     When the doctrine was codified, Hawaiʻi courts
    continued to utilize elements of the common law doctrine to
    analyze and interpret the statutory requirements.             See Leyson, 5
    Haw. App. at 516, 
    705 P.2d at 46
    , overruled on other grounds by
    Bernard II, 79 Hawaiʻi 362, 
    903 P.2d 667
     (noting that it was not
    clear from the language or history of HRS chapter 671 whether
    the legislative intent was to supplant Nishi’s general standards
    of required disclosures).        As the interplay between the common
    law and the statute has not always been clear, we review the
    development of the doctrine of informed consent.
    A.     An Overview of Informed Consent in Hawaiʻi
    1.   The Common Law Doctrine of Informed Consent
    The common law doctrine of informed consent was first
    recognized as a subset of medical negligence actions.              In Nishi,
    this court explained that the common law doctrine of informed
    consent imposed upon a physician “a duty to disclose to his
    19
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    patient all relevant information concerning a proposed
    treatment, including the collateral hazards attendant thereto,
    so that the patient’s consent to the treatment would be an
    intelligent one based on complete information.”          52 Haw. at 191,
    
    473 P.2d at 119
     (citation omitted), overruled by Carr, 79 Hawaiʻi
    475, 
    904 P.2d 489
    .
    In determining the question of a physician’s liability
    for nondisclosure, the Nishi court noted that “courts generally
    follow the rule applicable to medical malpractice actions
    predicated on alleged negligence in treatment which requires the
    question of negligence to be decided by reference to relevant
    medical standards and imposes on the plaintiff the burden of
    proving the applicable standard by expert medical testimony.”
    52 Haw. at 195, 
    473 P.2d at 121
    .          The Nishi court then held that
    the “plaintiffs did not adduce any expert medical testimony to
    establish a medical standard from which the jury could find that
    defendants deviated from their duty . . . .”          52 Haw. at 196,
    
    473 P.2d at 121
    .     Rather, the “defendants, by their testimonies,
    established the medical standard applicable to this case.             The
    medical standard so established was that [of] a competent and
    responsible medical practitioner . . . .”         52 Haw. at 196-97,
    
    473 P.2d at 121
    .
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    In 1976, the informed consent doctrine was codified in
    HRS § 671-3.12   HRS § 671-3 (1976 Repl.) “directed the board of
    medical examiners (board) to specifically itemize the probable
    risks and effects of each specific treatment or surgical
    procedure.”   Mroczkowski, 6 Haw. App. at 567, 
    732 P.2d at 1258
    .
    The resulting itemizations were to be prima facie evidence of
    the information a physician was required to disclose to a
    patient in order to obtain informed consent.          
    Id.
     (explaining
    12
    HRS § 671-3 (1976 Repl.) stated:
    (a) In any action for medical tort based on an
    incident that occurred after January 1, 1977, based on the
    rendering of professional service without informed consent,
    evidence may be introduced that the health care provider
    complied with standards established by the board of medical
    examiners governing the information required to be given by
    or at the direction of the health care provider to a
    patient, or the patient’s guardian in the case of a patient
    who is not competent to give informed consent.
    (b) The board of medical examiners shall, insofar as
    practicable, establish reasonable standards of medical
    practice, applicable to specific treatment and surgical
    procedures, for the substantive content of the information
    required to be given and the manner in which it is given
    and in which consent is received in order to constitute
    informed consent from a patient or a patient’s guardian.
    The standards shall include provisions which are designed
    to reasonably inform and to be understandable by a patient
    or a patient’s guardian of the probable risks and effects
    of the proposed treatment or surgical procedure, and of the
    probable risks of not receiving the proposed treatment or
    surgical procedure. The standards established by the board
    shall be prima facie evidence of the standards of care
    required but may be rebutted by either party.
    (c) Nothing in this section shall require informed
    consent from a patient or a patient’s guardian when
    emergency treatment or emergency surgical procedure is
    rendered by a health care provider and the obtaining of
    consent is not reasonably feasible under the circumstances
    without adversely affecting the condition of the patient’s
    health.
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    that the board’s standards were “admissible as evidence of the
    required specific standards of care only if the board’s specific
    standards [we]re designed to reasonably inform the patient of,
    inter alia, the recognized serious possible risks and
    complications of each specific treatment or surgical
    procedure”).   The board, however, did not fulfill the statutory
    mandate because there were too many medical and surgical
    procedures to provide such an itemization.         6 Haw. App. at 567,
    
    732 P.2d at 1259
    .
    In Leyson, 
    5 Haw. App. 504
    , 
    705 P.2d 37
    , overruled by
    Bernard II, 79 Hawaiʻi 362, 
    903 P.2d 667
    , the ICA first
    recognized the emerging confusion in the informed consent
    doctrine.    First, the ICA opined that that there appeared to be
    a conflict in Nishi regarding the scope of a physician’s duty.
    The ICA explained that “Nishi initially describe[d] the
    [informed consent] doctrine as a precise and definite duty[,]” 5
    Haw. App. at 513, 
    705 P.2d at 44
    , on the part of the physician
    to disclose “all relevant information concerning a proposed
    treatment, including the collateral hazards attendant thereto,
    so that the patient’s consent to the treatment would be an
    intelligent one based on complete information[,]” 5 Haw. App. at
    512, 
    705 P.2d at 44
     (quoting Nishi, 52 Haw. at 191, 
    473 P.2d at 119
    ), “but then it alternatively describe[d] the doctrine as a
    duty to comply with relevant medical standards[]” by requiring
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    plaintiffs to prove the applicable medical standard of
    disclosure.    5 Haw. App. at 513, 
    705 P.2d at 44
    .          Second, the
    ICA noted that the duty to inform had been codified in HRS §
    671-3; however, it was “not clear from the language or history
    of chapter 671 whether the legislature’s intent was to supplant
    Nishi’s ambiguously defined duty of disclosure.”            5 Haw. App. at
    516, 
    705 P.2d at 46
    .      The ICA also noted that under the common
    law, a “physician [was] not required to disclose risks that are
    unexpected or immaterial, by whatever standard, nor . . . risks
    that are commonly understood, obvious, or already known to the
    patient.”    5 Haw. App. at 513-14, 
    705 P.2d at 45
     (footnote
    omitted) (quoting W. Page Keeton, Dan B. Dobbs, Robert E.
    Keeton, and David G. Owen, Prosser and Keeton on The Law of
    Torts, § 32 at 192 (5th ed. 1984)).
    The ICA then set out five material elements for the
    tort of a physician’s negligent failure to disclose risks of
    harm prior to treatment, which this court adopted in Bernard II,
    79 Hawaiʻi 362, 
    903 P.2d 670
    .       The five elements are as follows:
    (1) [the physician] owed a duty to disclose to [the
    patient] the risk of one or more of the collateral injuries
    that [the patient] suffered; (2) [the physician] breached
    [his or her] duty; (3) [the patient] suffered injury; and
    (4) [the physician’s] breach of duty was a cause of [the
    patient’s] injury in that: (a) [the physician’s] treatment
    was a substantial factor in bringing about [the patient’s]
    injury and (b) [the patient], acting rationally and
    reasonably, would not have undergone the treatment had he
    [or she] been informed of the risk of the harm that in fact
    occurred; and (5) no other cause is a superseding cause.
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    Bernard II, 79 Hawaiʻi at 365, 903 P.2d at 670 (alterations in
    original) (quoting Leyson, 5 Haw. App. at 516–17, 
    705 P.2d at 47
    ); see also Barcai, 98 Hawaiʻi at 483-84, 
    50 P.3d at 959-60
    (reaffirming the five elements required to establish a claim of
    negligent failure to obtain informed consent under Hawaiʻi law).
    HRS § 671-3 was amended in 1983,13 and provided that
    the applicable general standard of information a physician was
    required to disclose, among other things, was “all recognized
    13
    HRS § 671-3 (Supp. 1983) provided:
    (a) The board of medical examiners, insofar as
    practicable, shall establish standards for health care
    providers to follow in giving information to a patient, or
    to a patient’s guardian if the patient is not competent to
    give an informed consent, to insure that the patient’s
    consent to treatment is an informed consent. The standards
    may include the substantive content of the information to
    be given, the manner in which the information is to be
    given by the health care provider and the manner in which
    consent is to be given by the patient or the patient’s
    guardian.
    (b) If the standards established by the board of
    medical examiners include provisions which are designed to
    reasonably inform a patient, or a patient’s guardian, of:
    (1) The condition being treated;
    (2) The nature and character of the proposed
    treatment or surgical procedure;
    (3) The anticipated results;
    (4) The recognized possible alternative forms of
    treatment; and
    (5) The recognized serious possible risks,
    complications, and anticipated benefits involved
    in the treatment or surgical procedure, and in
    the recognized possible alternative forms of
    treatment, including non-treatment,
    then the standards shall be admissible as evidence of the
    standard of care required of the health care providers.
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    serious possible risks of harm and complications that the
    physician knew of or should have known[.]”         Mroczkowski, 6 Haw.
    App. at 567, 
    732 P.2d at 1258
    ; see also Keomaka v. Zakaib, 
    8 Haw. App. 518
    , 525, 
    811 P.2d 478
    , 483, cert. denied, 
    72 Haw. 618
    , 
    841 P.2d 1075
     (1991) (holding that a physician owes a duty
    to disclose items set forth in HRS § 671-3(b), “including the
    ‘recognized serious possible risks’ and the ‘recognized possible
    alternative forms of treatment[]’”).
    2.   The Patient-Oriented Standard of Disclosure and Expert
    Testimony Requirements
    Nishi and HRS § 671-3 left unresolved the question of
    the standard applicable to the tort of a physician’s negligent
    failure to obtain informed consent, as well as the role of
    expert testimony in establishing a prima facie case of negligent
    failure to obtain informed consent.        In Carr, 79 Hawaiʻi 475, 
    904 P.2d 489
    , this court addressed these issues.
    This court first expressly adopted the “patient-
    oriented standard” to govern whether a physician owes a duty to
    disclose a particular piece of information to a patient prior to
    treatment, overruling Nishi to the extent that it required a
    plaintiff to prove the applicable standard of disclosure of
    material risks prior to treatment by expert medical testimony.
    79 Hawaiʻi at 485, 
    904 P.2d at 499
    .       Recognizing that (1) Nishi
    was decided without the benefit of the seminal decision on the
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    patient-oriented standard of disclosure, Canterbury v. Spence,
    
    464 F.2d 772
     (D.C. Cir.), cert. denied, 
    409 U.S. 1064
     (1972);
    (2) the informed consent doctrine had been codified; and (3) the
    growing nationwide trend favored the patient-oriented standard,
    this court held that the dispositive inquiry regarding a
    physician’s duty of disclosure in an informed consent case was
    no longer “what the physician believes his or her patient needs
    to hear in order for the patient to make an informed and
    intelligent decision[.]”      79 Hawaiʻi at 486, 
    904 P.2d at 500
    .
    Rather, “the focus should be on what a reasonable person
    objectively needs to hear from his or her physician to allow the
    patient to make an informed and intelligent decision regarding
    proposed medical treatment.”       
    Id.
        This court therefore held, “a
    plaintiff is not required to prove the standard of disclosure
    required for informed consent with medical expert evidence[.]”
    79 Hawaiʻi at 487, 
    904 P.2d at 501
    .
    In a footnote, this court differentiated between the
    standard of care and the standard of disclosure of material
    risks prior to treatment with respect to the necessity of expert
    testimony as follows:
    It is clear that the standard of care for a claim based on
    allegedly negligent medical treatment must be established
    by reference to prevailing standards of conduct in the
    applicable medical community and must be so proved by
    expert medical testimony because . . . “a jury generally
    lacks the requisite special knowledge, technical training,
    and background to be able to determine the applicable
    standard without the assistance of an expert.” The
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    standard of disclosure of material risks prior to
    treatment, however, as we have discussed above, is capable
    of determination under the patient-oriented standard
    without reference to prevailing medical standards or
    medical judgment, although such evidence may, subject to a
    Hawaiʻi Rule of Evidence 403 balancing, be relevant and
    admissible.
    79 Hawaiʻi at 485 n.6, 
    904 P.2d at
    499 n.6 (internal citation
    omitted) (quoting Craft, 78 Hawaiʻi at 298, 
    893 P.2d at 149
    ).
    Next, citing to the ICA’s decision in Bernard I,
    however, this court cautioned “that our adoption of the patient-
    oriented standard does not relieve plaintiffs of their burden to
    provide expert medical testimony[,]” 79 Hawaiʻi at 486, 
    904 P.2d at
    500 (citing Bernard I, 79 Hawaiʻi at 383, 903 P.2d at 688),
    “to establish the ‘materiality’ and/or the magnitude of the risk
    of harm that in fact occurs.”       79 Hawaiʻi at 486 n.7, 
    904 P.2d at
    500 n.7.   This court held that “a plaintiff maintains the burden
    of adducing expert medical testimony to establish ‘the nature of
    risks inherent in a particular treatment, the probabilities of
    therapeutic success, the frequency of the occurrence of
    particular risks, and the nature of available alternatives to
    treatment.’”   79 Hawaiʻi at 486, 
    904 P.2d at 500
     (quoting Bernard
    I, 79 Hawaiʻi at 383, 903 P.2d at 688).        See also Barcai, 98
    Hawaiʻi at 484, 
    50 P.3d at 960
    ; Ray, 125 Hawaiʻi at 268, 
    259 P.3d at 584
    .
    In further support of the conclusion in Carr that
    expert testimony is required in informed consent cases, this
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    court cited the United States Court of Appeals for the District
    of Columbia’s decision in Canterbury, 
    464 F.2d 772
    .            This
    seminal decision explained why expert testimony is critical in
    informed consent cases:
    Experts are ordinarily indispensable to identify and
    elucidate for the factfinder the risks of therapy and the
    consequences of leaving existing maladies untreated. They
    are normally needed on issues as to the cause of any injury
    or disability suffered by the patient . . . . Save for
    relative[ly] infrequent instances where questions of this
    type are resolvable wholly within the realm of ordinary
    human knowledge and experience, the need for the expert is
    clear.
    464 F.2d at 791-92, quoted in Carr, 79 Hawaiʻi at 486, 
    904 P.2d at 500
    .
    In Barcai, this court reaffirmed our holdings
    concerning the “materiality” of the risk in informed consent
    cases.    This court explained that “expert testimony will
    ordinarily be required” to establish the first aspect of
    “materiality” -- “the ‘materiality’ of the risks, i.e., ‘nature
    of risks inherent in a particular treatment, the probabilities
    of therapeutic success, the frequency of the occurrence of
    particular risks, and the nature of available alternatives to
    treatment.’”14    98 Hawai‘i at 484, 
    50 P.3d at 960
     (emphasis added)
    14
    We note that expert testimony is not required in all situations.
    As stated infra, expert testimony is not required to determine what a
    reasonable patient needs to hear in order to make an informed decision
    regarding proposed medical treatment. In addition, expert testimony is
    ordinarily, but not universally required to rebut a defendant physician’s
    justification of nondisclosure on the basis of the therapeutic privilege
    exception. Barcai, 98 Hawaiʻi at 486, 
    50 P.3d at 962
     (“[W]here [a] defendant
    physician justifies nondisclosure on the basis of the therapeutic privilege
    (continued . . . )
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    (quoting Carr, 79 Hawaiʻi at 486, 
    904 P.2d at
    500 (citing Bernard
    I, 79 Hawaiʻi at 383, 903 P.2d at 688)).          This court then
    explained that, “[b]ecause lay jurors do not normally possess
    such information, it must be made available to them by an
    expert[,]” so that the jury can make a factual determination
    regarding the second aspect of “materiality” -- the materiality
    of the medical information to a patient’s decision, i.e.,
    “whether a reasonable person would have wanted to consider the
    purportedly withheld information before consenting to the
    treatment.”    Id. (citing 79 Hawai‘i at 486, 
    904 P.2d at 500
    ).
    ( . . . continued)
    exception, expert testimony may be required to refute the contention.”). The
    therapeutic privilege exception “recognizes that, under some circumstances,
    disclosure of certain risks would not be in the patient’s best medical
    interests.” Carr, 79 Hawaiʻi at 480, 
    904 P.2d at 494
    . With regard to the
    necessity of expert testimony to rebut the therapeutic privilege exception,
    this court has stated:
    If the jury could evaluate the defendant physician’s
    testimony without specialized expert knowledge, no such
    expert testimony is needed and the jury should be
    instructed on the informed consent issue. . . . It is only
    when the particular facts associated with the physician’s
    rationale for withholding disclosure involve “medical
    facts” that expert testimony will be required to rebut the
    claim and allow the jury to consider an informed consent
    claim.
    98 Hawaiʻi at 486 n.10, 
    50 P.3d at
    962 n.10.
    Barcai further stated that “all of the Hawai‘i cases cited since Nishi--
    and [] Canterbury, as well-- . . . repeatedly discuss the exception in the
    context of explicating ‘limits’ to the patient oriented standard, thereby
    suggesting that Hawai‘i appellate courts have intended this exception to
    remain applicable.” 98 Hawai‘i at 485 n.9, 961 n.9 (citations omitted). We
    discuss the exception as illustrative of the necessity of expert testimony in
    informed consent cases. We do not address the continued viability of the
    therapeutic privilege exception under the current iteration of HRS § 671-
    3(b), as that issue is not before us.
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    The second aspect of materiality does not require expert
    testimony, although, as recognized by footnote 6 from Carr
    quoted above, expert testimony can also be helpful.
    Following Barcai, HRS § 671-3 was amended in 2003
    (effective January 1, 2004) to integrate advances to legal and
    medical standards regarding the materiality of the risk of harm.
    See 2003 Haw. Sess. Laws Act 114, § 2 at 221-222; see also S.
    Stand. Comm. Rep. No. 1228, in 2003 Senate Journal, at 1547.
    HRS § 671-3 (Supp. 2003)15 mandated disclosure of specific
    15
    HRS § 671-3 (Supp. 2003) provided, in relevant part:
    (a) The board of medical examiners may establish
    standards for health care providers to follow in giving
    information to a patient, or to a patient’s guardian or
    legal surrogate if the patient lacks the capacity to give
    an informed consent, to ensure that the patient’s consent
    to treatment is an informed consent. The standards shall be
    consistent with subsection (b) and may include:
    (1) The substantive content of the information to be
    given;
    (2) The manner in which the information is to be
    given by the health care provider; and
    (3) The manner in which consent is to be given by the
    patient or the patient’s guardian or legal
    surrogate.
    (b) The following information shall be supplied to
    the patient or the patient’s guardian or legal surrogate
    prior to obtaining consent to a proposed medical or
    surgical treatment or a diagnostic or therapeutic
    procedure:
    (1) The condition to be treated;
    (2) A description of the proposed treatment or
    procedure;
    (3) The intended and anticipated results of the
    proposed treatment or procedure;
    (continued . . . )
    30
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    information, in particular, “recognized material risks of
    serious complications or mortality[,]” as opposed to general
    standards of medical practice established by the board, and
    maintained the patient-oriented standard from Carr.                  See S.
    Stand. Comm. Rep. No. 1228, in 2003 Senate Journal, at 1547; see
    also H.B. 651, H.D. 2, 22d Leg., Reg. Sess. (2003) (prior
    version of bill that became the 2003 act amending HRS § 671-3(b)
    contemplated switching to a physician-oriented standard).
    In Ray, this court “interpreted HRS § 671-3(b) as
    supplying the standard for a physician’s duty to disclose
    information to the patient.”           125 Hawaiʻi at 266, 
    259 P.3d at 582
    .   Under HRS § 671-3(b) (Supp. 2008), a physician’s duty to
    inform encompasses four separate duties: (1) the general duty to
    supply information about a proposed medical treatment or
    procedure embodied by HRS § 671-3(b)(1)-(3); (2) the duty to
    ( . . . continued)
    (4) The recognized alternative treatments or
    procedures, including the option of not providing
    these treatments or procedures; and
    (5) The recognized material risks of serious
    complications or mortality associated with:
    (A) The proposed treatment or procedure
    (B) The recognized alternative treatments or
    procedures; and
    (C) Not undergoing any treatment or procedure;
    and
    (6) The recognized benefits of the recognized
    alternative treatments or procedures.
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    inform the patient of recognized alternative treatments or
    procedures, including the option of not providing these
    treatments or procedures, as provided in HRS § 671-3(b)(4); (3)
    the duty to warn of material risks as provided in HRS § 671-
    3(b)(5); and (4) the duty to inform patients of the recognized
    benefits of any recognized alternative treatments or procedures
    as provided in HRS § 671-3(b)(6).
    Under HRS § 671-3(b)(5)(A), Plaintiffs’ main claim, a
    physician is required to inform patients of “recognized material
    risks of serious complications or mortality associated with . .
    . [t]he proposed treatment or procedure[.]”          Thus, at trial, a
    plaintiff alleging a violation of this subsection bears the
    burden of presenting expert medical evidence to establish prima
    facie that the risk of harm to which the plaintiff was subjected
    is a “recognized material risk[] of serious complications or
    mortality associated with . . . [t]he proposed treatment or
    procedure[.]”    Cf. Ray, 125 Hawaiʻi at 268, 
    259 P.3d at 584
    (holding that a “plaintiff will need to show that the medical
    community recognizes the different dosage as an alternative
    treatment” in an HRS § 671-3(b)(4) claim).         “[E]xpert ‘testimony
    is not conclusive and like any testimony, the jury may accept or
    reject it.’”    125 Hawaiʻi at 262, 
    259 P.3d at 578
     (quoting
    Bachran v. Morishige, 
    52 Haw. 61
    , 67, 
    469 P.2d 808
    , 812 (1970)).
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    Once a plaintiff adduces expert testimony establishing
    prima facie that the risk of harm that occurred is a “recognized
    material risk[] of serious complication or mortality[,]” whether
    the physician was required to supply that information to the
    patient prior to obtaining consent is a question for the
    factfinder that does not require expert testimony, although, as
    noted in the quotation from Carr, supra (citing Craft), expert
    testimony can also be relevant and admissible.            See 79 Hawaiʻi at
    485 n.6, 
    904 P.2d at
    499 n.6 (citation omitted).             In other
    words, the jury, applying the patient-oriented standard, decides
    “what a reasonable person objectively needs to hear from his or
    her physician to allow the patient to make an informed and
    intelligent decision regarding proposed medical treatment.”
    Ray, 125 Hawaiʻi at 267, 
    259 P.3d at 583
     (quoting Carr, 79 Hawaiʻi
    at 486, 
    904 P.2d at 500
    ) (quotation marks omitted).
    B.    The Circuit Court Erred in Granting JMOL Because Reglan’s
    Package Insert Combined With Expert Testimony Sufficiently
    Established the Materiality of the Risk of Reglan
    Plaintiffs argue that the ICA erred in concluding that
    they failed to establish the materiality of the risk by expert
    testimony, and in affirming the circuit court’s grant of JMOL in
    Defendants’ favor on that basis.            Plaintiffs assert that the
    manufacturer’s warning, in combination with expert testimony as
    to the significance of that information, sufficiently
    established the materiality of the risk of harm to which Minor
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    was subjected when Defendant administered Reglan to Minor.                We
    agree.
    “Claims for negligent failure to obtain informed
    consent typically arise when a plaintiff patient alleges that
    the defendant physician failed to warn the patient of a
    particular risk associated with the procedure and the particular
    risk ultimately occurred.”       Barcai, 98 Hawaiʻi at 483, 
    50 P.3d at 959
    .
    To establish a claim of negligent failure to obtain
    informed consent under Hawaiʻi law, the plaintiff must
    demonstrate that: (1) the physician owed a duty to disclose
    the risk of one or more of the collateral injuries that the
    patient suffered; (2) the physician breached that duty; (3)
    the patient suffered injury; (4) the physician’s breach of
    duty was a cause of the patient’s injury in that (a) the
    physician’s treatment was a substantial factor in bringing
    about the patient’s injury and (b) a reasonable person in
    the plaintiff patient’s position would not have consented
    to the treatment that led to the injuries had the plaintiff
    patient been properly informed; and (5) no other cause is a
    superseding cause of the patient’s injury.
    98 Hawaiʻi at 483-84, 
    50 P.3d at 959-60
     (citation omitted).16                The
    first prong of this common law formulation of the tort is
    16
    Although not raised by the parties nor on appeal, we note that in
    granting JMOL in Defendant’s favor on the informed consent claim, the circuit
    court stated, “the parents . . . were never asked whether if they had been
    informed of certain things they would have given permission[.]” Plaintiffs’
    subjective view is, however, unnecessary. We have held,
    the question of part (b) causation in an action based on
    the doctrine of informed consent is to be judged by an
    objective standard, that is, whether a reasonable person in
    the plaintiff-patient’s position would have consented to
    the treatment that led to his or her injuries had the
    plaintiff-patient been properly informed of the risk of the
    injury that befell him or her.
    Bernard II, 79 Hawaiʻi at 371, 903 P.2d at 676. Thus, in this case, a
    determination of proximate causation depends upon whether there was
    sufficient evidence for a jury to find that, had Plaintiffs been advised of
    (continued . . . )
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    subject to appropriate modification based on the specific
    provisions of HRS § 671-3(b) alleged to have been violated; in
    other words, the first prong is now “the physician violated a
    duty of disclosure under HRS § 671-3(b).”          In proving the
    elements of an informed consent claim alleging an HRS § 671-
    3(b)(5)(A) violation, a plaintiff must present expert testimony
    to establish prima facie that the risk of harm to which the
    plaintiff was subjected is an undisclosed “recognized material
    risk[] of serious complications or mortality associated with . .
    . [t]he proposed treatment or procedure[.]”           Although not
    explicitly required by HRS § 671-3(b)(5), expert testimony is
    typically necessary to establish the medical information
    statutorily required to be disclosed.
    In this case, the ICA misconstrued Craft, 78 Hawaiʻi
    287, 
    893 P.2d 138
    , when it concluded that the manufacturer’s
    insert “does not constitute ‘expert testimony’ and does not
    permit a legitimate inference regarding the materiality of the
    risk.”   Ngo, mem. op. at 19 (citing 78 Hawaiʻi at 306, 
    893 P.2d at 157
    ).   In Craft, we affirmed the trial court’s reading of a
    jury instruction “that a plaintiff who brings ‘an action based
    on informed consent must establish the applicable standard of
    ( . . . continued)
    the risks of Reglan, they would not have consented to its use to treat Minor.
    Plaintiffs need not testify as to what they subjectively would have done if
    properly informed of the risks.
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    care through expert medical testimony and manufacturer’s package
    inserts do not, by themselves, set the standard of care which is
    applicable to a physician on the issue of informed consent.’”
    78 Hawaiʻi at 306, 
    893 P.2d at 157
     (brackets omitted).           Thus,
    Craft recognized the view that “a drug manufacturer’s package
    insert merely constitutes evidence to be considered along with
    the expert’s testimony[,]” but does not supplant expert
    testimony.   78 Hawaiʻi at 299, 
    893 P.2d at 150
     (discussing the
    conflicting views of package inserts).         Therefore, under Craft,
    although information contained in a manufacturer’s insert
    cannot, on its own, satisfy a plaintiff’s burden of production
    in an informed consent case, it can constitute evidence that the
    jury or fact finder may consider along with the requisite expert
    testimony.
    In the instant case, while the manufacturer’s insert
    did not establish the materiality of the risk of increased
    diarrhea by itself, Plaintiffs adduced expert testimony
    regarding the significance of the information in the
    manufacturer’s insert.     Plaintiffs’ expert testimony, in
    conjunction with the manufacturer’s insert, established prima
    facie that Defendant failed to supply Plaintiffs with
    “recognized material risks of serious complications or mortality
    associated with” Reglan, as required by HRS § 671-3(b)(5)(A).
    Applying the standard applicable to a motion for JMOL, it cannot
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    be said that there was no evidence to support a jury verdict in
    Plaintiffs’ favor on their informed consent claim.           Ray, 125
    Hawaiʻi at 261, 
    259 P.3d at 577
     (brackets omitted) (quoting
    Miyamoto, 104 Hawaiʻi at 7, 
    84 P.3d at 515
    ).         Therefore,
    Plaintiffs’ informed consent claim should have been presented to
    the jury.
    The ICA erred in concluding that “expert testimony was
    not adduced to establish the ‘probabilities of therapeutic
    success’ or ‘the frequency of the occurrence of particular
    risks’ and therefore Plaintiffs failed to carry their
    evidentiary burden.”     Ngo, mem. op. at 16 (citing Carr, 79
    Hawaiʻi at 486, 
    904 P.2d at 500
    ).         The “probabilities of
    therapeutic success” is not part of an informed consent claim
    based on an alleged HRS § 671-3(b)(5)(A) violation, but is
    information required to be provided under HRS § 671-3(b)(3), the
    “intended and anticipated results of the proposed treatment or
    procedure[.]”    With respect to the risks that must be disclosed
    under HRS § 671-3(b)(5)(A), at trial, Plaintiffs’ expert medical
    evidence established that increased diarrhea is a risk
    associated with Reglan.     Defendant expressly admitted that he
    knew diarrhea was a side effect of Reglan.         With respect to
    adverse gastrointestinal reactions, the manufacturer’s insert
    listed:   “nausea and bowel disturbances, primarily diarrhea[.]”
    Plaintiffs’ expert, Dr. Towle, testified that “one of the ways
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    Reglan works is that it gets the pylorus, or the sphincter
    between the stomach and small intestines, to relax and open up
    and allow the contents of the stomach to pass through to the
    small intestine.”    Dr. Towle further stated that in Minor’s
    case, although Reglan did not directly affect the lower
    intestine and cause diarrhea in and of itself, “if you’re
    emptying the stomach and you’re dumping things into the small
    intestine, it kind of gets the intestines going and diarrhea is
    one of the more common side effects with Reglan.”           Moreover, Dr.
    Towle pointed out that the contraindications section in the
    manufacturer’s insert states that Reglan should not be used
    whenever stimulation of gastrointestinal motility might be
    dangerous.   He further testified that Reglan “should not have
    been given no matter what in the circumstances of this case.”
    Finally, Dr. Towle testified that Reglan is more likely to
    increase diarrhea than Zofran or other anti-emetics.            Therefore,
    Plaintiffs’ expert medical evidence established increased
    diarrhea as a common side effect of Reglan.
    Plaintiffs’ other expert witness, Dr. Gallup testified
    that, in his opinion, Reglan moderately increased the amount of
    fluid excreted out of Minor’s system through diarrhea, thereby
    significantly increasing her dehydration.         He further testified
    that this increase in dehydration was a substantial factor in
    leading to her hypovolemic shock.
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    Although diarrhea is not a serious complication that
    generally results in death, in the instant case, the evidence
    established that Minor was moderately dehydrated and losing
    fluid through both vomiting and diarrhea.         Plaintiffs’ expert
    testimony and the manufacturer’s insert established increased
    diarrhea as a risk associated with Reglan, and that Reglan
    should not be used when stimulation of gastrointestinal motility
    might be dangerous.     Therefore, Plaintiffs presented expert
    evidence that Minor might not be able to tolerate increased
    diarrhea.   In short, Plaintiffs did adduce expert testimony
    establishing the “probabilities of therapeutic success” and “the
    frequency of the occurrence of particular risks” under the
    former common law formulation of the duties.          More importantly,
    however, Plaintiffs adduced expert testimony regarding a
    violation of Defendant’s current statutory duty under HRS § 671-
    3(b)(5)(A).
    Accordingly, the ICA erred in concluding that
    Plaintiffs’ “expert testimony presented at trial [did] not
    sufficiently establish the ‘materiality of the risk of harm’
    imposed by [Defendant’s] administration of ten milligrams of
    Reglan to [Minor].”     Ngo, mem. op. at 15.
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    C.    The ICA Erred in Concluding that Plaintiffs Waived Their
    Claim that Defendant Failed to Provide Other Statutorily
    Mandated Information
    Plaintiffs also contend that the ICA erred in ruling
    that they waived their argument that Defendant failed to provide
    all statutorily required disclosures, including information
    about “alternative treatments or medications, the risks of
    Reglan and alternative treatments, or the alternative of no
    treatment, or the benefits of Reglan and its alternatives,
    including the alternative of no treatment.”
    Plaintiffs assert that they in fact raised the
    nondisclosure issue.       Plaintiffs specifically alleged in their
    complaint that Defendant treated Minor “without obtaining the
    informed consent of Plaintiff,” and “failed to adequately inform
    Plaintiffs of the nature of the treatment and risks thereof[.]”
    Although Plaintiffs’ complaint omitted the specific statutory
    provisions, Plaintiffs’ allegation that Defendant treated Minor
    “without obtaining the informed consent of Plaintiff[]” clearly
    implicated a physician’s duty of disclosure, which includes the
    duties enumerated in HRS § 671-3(b).
    We recently ruled on the scope of a physician’s duty
    under HRS § 671-3(b)(4) in Ray, 125 Hawaiʻi 253, 
    259 P.3d 569
    .
    The plaintiffs in Ray adduced evidence in support of their
    contention that recognized alternative dosing regimens of the
    same treatment had a lower risk of the harm the patient
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    ultimately suffered.     125 Hawaiʻi at 267, 
    259 P.3d at 583
    .         The
    defendants moved for JMOL on the issue of informed consent
    because it was undisputed that defendants informed the patient
    of the risk of injury that occurred.        125 Hawaiʻi at 265, 
    259 P.3d at 581
    .   This court held that the circuit court properly
    denied the defendant’s motion because “an alternative dosage can
    constitute a ‘recognized alternative treatment’ within the
    meaning of HRS § 671-3(b)(4).”       125 Hawaiʻi at 267, 
    259 P.3d at 583
    .   This court further held, “[i]f a reasonable patient would
    need to hear the information to make an informed decision, the
    physician is required to disclose that information.”            
    Id.
    In the instant case, Plaintiffs similarly adduced
    evidence of recognized alternative treatments to Reglan.
    Plaintiffs’ counsel elicited testimony from Defendant indicating
    that, at the time he administered Reglan to Minor, he knew of
    the existence of alternative anti-emetic medications, including
    Zofran, which did not have Reglan’s side effects, and Phenergan,
    which was specifically approved by the FDA to treat nausea in
    pediatric patients.     Dr. Towle testified that safer alternatives
    to Reglan existed, including Zofran, which had been approved for
    use in pediatric patients, had a lower risk of causing diarrhea,
    and could be the most “popular” anti-emetic.          In addition, Dr.
    Gallup testified that while Reglan relaxes the “sphincter so
    that any fluid in the stomach can easily get transported down
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    through the small intestine into the large intestine,” does not
    do this and in fact, “works almost exactly in the opposite
    direction.”    Thus, at trial, Plaintiffs raised the issue of
    Defendant’s failure to inform them of recognized alternative
    treatments pursuant to HRS § 671-3(b)(4).
    Moreover, although expert evidence of the
    “probabilities of therapeutic success” was not required as part
    of Plaintiffs’ HRS § 671-3(b)(5)(A) claim, as discussed in Part
    IV.B, supra, a physician’s failure to provide such information
    implicates a claim based on a violation of HRS § 671-3(b)(3),
    which requires disclosure of the “intended and anticipated
    results of the proposed treatment or procedure[.]”
    In this case, Defendant admitted that he did not
    inform Plaintiffs that the manufacturer’s insert stated that
    “[s]afety and effectiveness in pediatric patients have not been
    established (see overdosage).”       See (Reglan insert).       The
    manufacturer’s insert also stated that “[t]he safety profile of
    [Reglan] in adults cannot be extrapolated to pediatric
    patients.”    Dr. Towle testified that the manufacturer’s
    statement meant that the safety and effectiveness of Reglan in
    pediatric patients was undetermined.        In addition, Dr. Towle
    testified that “Reglan is not recommended for use in children
    except for very specific circumstances” not present in this
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    case.   Despite these warnings, Defendant prescribed Reglan based
    on Minor’s weight of 150 lbs.
    Accordingly, the ICA erred in concluding that
    Plaintiffs waived these additional informed consent claims.
    V.    Conclusion
    Based on the evidence adduced at trial, the circuit
    court erred in granting JMOL in favor of Defendants on
    Plaintiffs’ informed consent claims.         Because the court did so
    at the end of Plaintiffs’ case, however, the defense may not
    have been fully heard on the informed consent claims.             Although
    we answer Plaintiffs’ first question on certiorari in the
    affirmative and rule that Plaintiffs presented sufficient
    evidence to have the jury consider their informed consent
    claims, we decline to answer the second question.17            Accordingly,
    we vacate in part (1) the ICA’s February 11, 2014 Judgment on
    Appeal as to Plaintiffs’ informed consent claims; and (2) the
    circuit court’s July 28, 2009 Final Judgment as well as its
    order granting Defendants’ motion for JMOL as to Plaintiffs’
    17
    See supra notes 4 (questions on certiorari) and 8 (regarding HRCP
    Rule 50, which governs JMOLs).
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    informed consent claims and its award of costs, and remand the
    case to the circuit court for further proceedings consistent
    with this opinion.
    John S. Edmunds,                          /s/ Mark E. Recktenwald
    Ronald J. Verga, and
    Joy S. Omonaka,                           /s/ Paula A. Nakayama
    for petitioner Leo Young,
    in his capacity as                        /s/ Sabrina S. McKenna
    Personal Representative of the
    Estate of Jennifer Giao Nguyen,           /s/ Richard W. Pollack
    Deceased, and
    Michael J.Y. Wong,                        /s/ Bert I. Ayabe
    for petitioners
    Cuc Thi Ngo, Angelo Nguyen,
    Anthony Nguyen, and
    An Van Nguyen
    John Reyes-Burke
    for respondent
    Thinh T. Nguyen, M.D., and
    the Emergency Group, Inc.
    44