MDMA for PTSD Effect Sizes by Study

Study	Effect sizes (N)	Instruments	Timepoints
Mitchell 2021	9	CAPS-V	Week 4, Week 8, Week 18
Mitchell 2023	10	CAPS-V	Week 4, Week 8, Week 18
Mithoefer 2018	18	CAPS-IV	Month 1 after second experimental session, Month 12
Oehen 2013	7	CAPS-IV, PDS	3 weeks after second dose, 3 weeks after third dose
Mithoefer 2011	5	CAPS-IV, IES-R	3-5 days after first experimental session, 3-5 days after second experimental session, 2 months after second experimental session
Ot’alora 2018	12	CAPS-IV	1 month after 2 sessions

SI Table 5: List of 61 effect sizes compiled in the full database released through Metapsy. Timepoints here are verbatim references to the text used in the study reports.