1. When an adult person, because of a medical condition, is treated by a teaching hospital for a medical school accredited by the American Osteopathic Association or the American Medical Association and such person is incapable of giving informed consent for an experimental treatment, test or drug, then such treatment, test or drug may proceed upon obtaining consent of a legal guardian, attorney-in-fact, or a family member in the following order of priority:

(1) Spouse unless the patient has no spouse, or is separated, or the spouse is physically or mentally incapable of giving consent, or the spouse’s whereabouts is unknown or the spouse is overseas;

Terms Used In Missouri Laws 431.064

  • Attorney-in-fact: A person who, acting as an agent, is given written authorization by another person to transact business for him (her) out of court.
  • following: when used by way of reference to any section of the statutes, mean the section next preceding or next following that in which the reference is made, unless some other section is expressly designated in the reference. See Missouri Laws 1.020
  • Guardian: A person legally empowered and charged with the duty of taking care of and managing the property of another person who because of age, intellect, or health, is incapable of managing his (her) own affairs.
  • Guardian: if used in a section in a context relating to property rights or obligations, means conservator of the estate as defined in chapter 475. See Missouri Laws 1.020
  • person: may extend and be applied to bodies politic and corporate, and to partnerships and other unincorporated associations. See Missouri Laws 1.020

(2) Adult child;

(3) Parent;

(4) Brother or sister;

(5) Relative by blood or marriage.

2. Nothing in this section shall authorize such legal guardian, attorney-in-fact, or family member to consent to treatment in contravention to such incapacitated person’s expressed permission regarding such treatment.

3. In a life-threatening emergency, consent of such an incapacitated person to any research program or experimental procedure shall not be required when the institutional review board responsible for the review, approval, and continuing review of the research activity has approved both the research activity and a waiver of informed consent and has both found and documented that the requirements for an exception from informed consent requirements for emergency research, as provided under Part 50 of Title 21 or Part 46 of Title 45 of the Code of Federal Regulations, as amended, have been satisfied.