Delusional disorder
MONDO:0004359A disorder characterized by the presence of one or more nonbizarre delusions that persist for at least 1 month; the delusion(s) are not due to schizophrenia or a mood disorder, and do not impair psychosocial functioning apart from the ramifications of the delusion(s).
75 clinical trials for this condition and its sub-types, 21 tagged with Delusional disorder itself.
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Sub-types of Delusional disorder
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Capgras syndrome 1 trial
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Can mindfulness ease psychosis in teens and young adults?
Symptom relief Recruiting nowThis study tests whether a 4-week mindfulness group therapy program, added to usual care, can reduce symptoms in 252 young people (ages 16-35) hospitalized for early psychosis. Participants are randomly assigned to either the mindfulness program plus standard treatment or standar…
Sponsor: Stephanie Mehl • Aim: Symptom relief
Last updated Sep 11, 2026 00:00 UTC
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New group therapy aims to rewrite harmful beliefs in psychosis
Symptom relief Recruiting nowThis study tests a 6-week group therapy program for adults with schizophrenia or related disorders. The therapy focuses on changing negative core beliefs (like feeling worthless or that others are dangerous) using compassion-focused techniques. The goal is to see if this approach…
Sponsor: University of Toronto • Aim: Symptom relief
Last updated Jun 27, 2026 12:29 UTC
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New program aims to give veterans a stronger voice in their own mental health treatment
Knowledge-focused Recruiting nowThis study tests a group program to help veterans with serious mental illness feel more comfortable and confident working with their doctors and therapists. About 119 veterans from three VA centers will take part. The goal is to see if the program improves teamwork between vetera…
Sponsor: VA Office of Research and Development • Aim: Knowledge-focused
Last updated Aug 21, 2026 00:00 UTC
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Can brain scans and eye movements predict psychosis recovery?
Knowledge-focused Recruiting nowThis study looks at 320 people with early psychosis to see if brain scans, eye-tracking, and electrical brain waves can predict how well they respond to treatment. Participants will have four visits over a year, including interviews, memory tests, and optional DNA samples. The go…
Sponsor: Beth Israel Deaconess Medical Center • Aim: Knowledge-focused
Last updated Jun 27, 2026 11:00 UTC
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Stanford scientists zap brains to unlock schizophrenia secrets
Knowledge-focused Recruiting nowThis study uses a non-invasive brain stimulation technique called TMS to see if it can change brain activity in people with schizophrenia. Researchers will measure brain waves before and after stimulation to understand how the hippocampus works in this condition. The goal is not …
Sponsor: Stanford University • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:09 UTC
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New brain tool could match veterans to right cognitive therapy
Knowledge-focused Recruiting nowThis study aims to create brain-based tools to identify which veterans with chronic psychosis are most likely to benefit from cognitive rehabilitation. Researchers will use EEG recordings to measure brain activity and see if these signals can predict improvements in thinking skil…
Sponsor: VA Office of Research and Development • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:54 UTC
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Could hallucinations in seniors signal dementia? new study investigates
Knowledge-focused Recruiting nowThis study looks at whether older adults who develop hallucinations or delusions for the first time may have early signs of dementia. Researchers will use special brain scans (tau PET) and blood tests to check for abnormal proteins linked to Alzheimer's. The goal is to better und…
Sponsor: Jeremy Koppel • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:52 UTC