Journal of Psychopharmacology
August 6, 2026
Tijmen P.L. Bostoen, Erwin Krediet, Annette van Schagen et al.
Background: The potential safety and efficacy of the psychedelic 3,4-methylenedioxymethamphetamine-assisted therapy (MDMA-AT) for post-traumatic stress disorder (PTSD) has been researched in phase 2 and phase 3 clinical trials. We examined the occurrence and role of mystical experiences in MDMA-AT. Methods: Data were sourced from two phase 2 randomized trials of MDMA-AT for chronic PTSD, in...
International review of neurobiology
2025
Stephan Tap, Tijmen Bostoen, Joost J. Breeksema et al.
4 citations
Patients with a life-threatening disease (LTD) sometimes suffer from end-of-life distress (EOLD) which refers to the physical, psychological, emotional, and spiritual suffering related to chronic illness and the possibility of death. Palliative care interventions seek to improve the quality of life of patients with EOLD and their significant others. Currently, a range of psychological and...
International review of neurobiology
2025
Tijmen Bostoen, Stephan Tap, Joost J. Breeksema et al.
1 citation
Post-Traumatic Stress Disorder (PTSD) is a severe psychiatric condition that develops after exposure to trauma such as combat, natural disasters, or assault. It is characterized by re-experiencing trauma, avoidance, hyperarousal, and negative alterations in cognition and mood. Since its formal inclusion in the Diagnostic and Statistical Manual of Mental Disorders (DSM)-III in 1980, PTSD has...
npj Mental Health Research
October 6, 2024
Jack D. C. Dahan, David Dadiomov, Tijmen Bostoen et al.
13 citations
There is some evidence that the subjective effects of ketamine and other psychedelics like psilocybin are crucial for their therapeutic outcomes, such as treatment of depression or substance use disorder (SUD). We performed a meta-analysis and systematic review on the correlation of subjective symptoms and dissociation versus ketamine-induced therapeutic outcomes in patients with depression or...
The International Journal of Neuropsychopharmacology
March 12, 2020
Erwin Krediet, Tijmen Bostoen, Joost J. Breeksema et al.
262 citations
Abstract There are few medications with demonstrated efficacy for the treatment of posttraumatic stress disorder (PTSD). Treatment guidelines have unequivocally designated psychotherapy as a first line treatment for PTSD. Yet, even after psychotherapy, PTSD often remains a chronic illness, with high rates of psychiatric and medical comorbidity. Meanwhile, the search for and development of drugs...