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3,4-Methylenedioxyamphetamine (MDMA) has been shown in multiple clinical trials to greatly reduce Post-Traumatic Stress Disorder (PTSD) symptoms, with many patients experiencing lasting improvement. However, recent regulatory rejection based on problems with blinding highlights a contradiction, with regulatory agencies demanding placebo-controlled trials, yet the strong psychoactive effects of MDMA-assisted therapy make true blinding impossible.This paper examines neurofunctional mechanisms and methodological challenges relevant to MDMA-assisted therapy research. First, it introduces the Trauma-Affective Memory Loop (TAML), a simple model of how traumatic memories are stored, reactivated, and reinforced through key brain regions. Second, it explains how MDMA works on a neurofunctional level, by reducing fear signals it creates a temporary “therapeutic window”. In this state, patients can revisit trauma safely, without being overwhelmed, and reprocess the memory in a healthier way.Third, the paper proposes that different types of trauma exposures respond differently to MDMA-assisted therapy. Acute, one-time traumas may often be resolved within one to three MDMA sessions, while complex or developmental trauma, formed over years, may need repeated and carefully structured treatment.Finally, a proposed clinical-trial framework, the Brinzei MDMA-PTSD Protocol (BMPP), is presented. The framework uses a role-separated, quadruple-masked structure intended to reduce expectancy-related bias while preserving therapeutic fidelity. The aim is to move beyond debates about flawed blinding methods and instead design trials that clarify why MDMA works, for whom it works best, and how to deliver it safely and effectively.