Sec. 481.203.  PATIENT PARTICIPATION.  (a)  A person may not be considered for participation as a recipient of tetrahydrocannabinols and their derivatives through a research program unless the person is recommended to a person in charge of an approved research program and the review board by a physician who is licensed by the Texas Medical Board and is attending the person.
(b)  A physician may not recommend a person for the research program unless the person:
(1)  has glaucoma or cancer; 
(2)  is not responding to conventional treatment for glaucoma or cancer or is experiencing severe side effects from treatment;  and
(3)  has symptoms or side effects from treatment that may be alleviated by medical use of tetrahydrocannabinols or their derivatives.
Acts 1989, 71st Leg., ch. 678, Sec. 1, eff. Sept. 1, 1989.
Amended by: 
Acts 2015, 84th Leg., R.S., Ch. 1 (S.B. 219), Sec. 3.1234, eff. April 2, 2015.