Evidence
PTSD and trauma symptoms
LAST REVIEWED 2026-06-30 · 815 SOURCES · 0 CORRECTIONS
PTSD-related signals often appear within veteran or substance-use populations rather than standalone PTSD trials.
Confidence: LowSource type: Study
- Evidence level
- Limited observational evidence
- Sample sizes
- Currently tied mainly to small observational cohorts and secondary analyses.
- Design quality
- Controlled studies with clear PTSD endpoints and adequate follow-up remain limited.
- Outcomes
- PTSD symptom scales, sleep, functioning, substance use, depression, and narrative meaning are not the same outcome.
- Limitations
- Confounding, expectation effects, integration/support differences, psychiatric exclusions, and concurrent interventions.
- Safety signals
- Psychiatric destabilization, suicidality screening, medications, acute monitoring, and post-session support.
- What is not proven
- Ibogaine is not proven as a PTSD treatment.
- Best next source
- Veteran TBI studies and updated psychiatric scoping reviews.