
The agency is seeking comments, data and evidence to help shape how early-phase ibogaine clinical trials could be designed.
The request asks about study populations, dose selection and escalation, care settings, safety monitoring, stopping rules and oversight.
FDA groups topics into study design, dosing, safety considerations, and ethics and oversight, including informed consent and independent safety oversight.
Trial safeguards include monitoring cardiac and neurologic adverse events, setting eligibility criteria, and defining when a study should stop.
HHS is prioritizing adults with opioid use disorder and adults with PTSD for initial federally supported research.
HHS supports early-phase safety and efficacy data collection, while NIDA funds research on ibogaine’s potential use for opioid use disorder.
The FDA says comments are due November 20, 2026; late submissions will not be considered, and electronic comments go through regulations.gov.
Visit the official announcement for proposed research topics, submission instructions, and details on how to provide comments, data, or information.