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Study identifier: NCT06689254 Synced from ClinicalTrials.gov · July 29, 2026
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REVERSE: Improving Treatment-resistant Post Traumatic Stress Disorder (PTSD) with Glucocorticoid Receptor (GR) Antagonism

Condition: Treatment-resistant PTSD  ·  Sponsor: Christiaan Vinkers

PhasePhase 2
Planned participants60
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersNo

About this study

Rationale: Post-traumatic stress disorder (PTSD) is a psychiatric disorder that can develop in people who have experienced or witnessed a traumatic event. Symptoms of PTSD include flashbacks, nightmares, difficulty sleeping, difficulty concentrating, irritability, and avoidance of people, places, or activities that remind the person of the traumatic event. Even though there are effective treatments (e.g. exposure-based psychotherapies and antidepressants), not all patients respond. Glucocorticoid receptor (GR) antagonism is a potential therapy for the treatment of treatment-resistant post traumatic stress disorder (PTSD) based on the idea that PTSD may be caused or exacerbated by dysregulation of the body's stress response system, and on the results of several small clinical trials. By blocking the actions of cortisol at the GR, it is thought that GR antagonists may be able to reduce the severity of PTSD symptoms and improve treatment outcomes. Randomized controlled trials (RCT) can provide high-quality evidence on treatment efficacy, and optimize evidence-based selection of off-label treatments for patients. Therefore the aim is to investigate whether the psychological and biological sequelae of traumatic stress and PTSD can be targeted by blocking the glucocorticoid receptor (GR) using the generic drug mifepristone in a double blind, placebo controlled RCT. Objective: To test the hypothesis that treatment with the GR-antagonist mifepristone is more effective than placebo…

This description comes directly from the study's public registry record.

Talk to the study team

Christiaan Vinkers, Prof.  ·  c.vinkers@amsterdamumc.nl

reverse reverse, -  ·  reverse@amsterdamumc.nl

Always discuss trial participation with your own doctor first.

Locations (1)

Amsterdam UMC, location VUmcAmsterdam, North Holland, NetherlandsRecruiting

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Source record: clinicaltrials.gov/study/NCT06689254