Okla. Stat. tit. 63, § 3091.6

The Right to Try Act does not create a private cause of action against a manufacturer of an investigational drug, biological product or device or against another person or entity involved in the care of an eligible patient using the investigational drug, biological product or device, for any harm done to the eligible patient resulting from the investigational drug, biological product or device, so long as the manufacturer or other person or entity is complying in good faith with the terms of the Right to Try Act, unless there was a failure to exercise reasonable care.