Obsessive-compulsive personality disorder
MONDO:0001158A disorder characterized by an enduring pattern of inflexibility, extreme orderliness, and perfectionism which interfere with efficiency and which may manifest in many different contexts, including work and leisure activities, financial matters, and issues of morality or ethics.
Also known as: OCD, obsessional personality
77 clinical trials for this condition and its sub-types.
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Brain pacemaker trial targets Tough-to-Treat OCD
Disease control OngoingThis study tests a personalized deep brain stimulation (DBS) approach for people with severe obsessive-compulsive disorder (OCD) that hasn't improved with standard treatments. Ten adults will first undergo brain mapping to find the best stimulation targets, then receive a DBS dev…
Phase: NA • Sponsor: Andrew Moses Lee, MD, PhD • Aim: Disease control
Last updated Jun 27, 2026 13:02 UTC
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Drugs and therapy together: a new hope for anxiety, depression, and more?
Disease control OngoingThis early-stage study is testing whether combining standard psychiatric medications (like antidepressants and anti-anxiety drugs) with individual cognitive behavioral therapy can improve symptoms and daily functioning in people with anxiety, depression, PTSD, OCD, bipolar disord…
Phase: PHASE1 • Sponsor: Rakitzi, Stavroula • Aim: Disease control
Last updated Jun 27, 2026 12:30 UTC
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Could home therapy replace hospital stays for kids with mental health issues?
Disease control OngoingThis study tests whether intensive home-based psychiatric treatment can help children and teens with mental health disorders as an alternative to being in the hospital. Over 3 months, participants receive 3 to 7 home visits per week from a team of doctors, therapists, and other s…
Phase: NA • Sponsor: Medical University Innsbruck • Aim: Disease control
Last updated Jun 27, 2026 12:26 UTC
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Ancient wisdom meets modern science: new group therapy targets anxiety
Symptom relief OngoingThis study explores whether a new type of group therapy, based on Eastern cultural practices, can help people with anxiety disorders. Researchers will enroll 60 participants aged 15 to 55 to test the therapy's effects on anxiety symptoms. The goal is to see if this approach is bo…
Phase: NA • Sponsor: Beijing HuiLongGuan Hospital • Aim: Symptom relief
Last updated Jul 03, 2026 00:00 UTC
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Could a Parkinson's drug tame OCD?
Symptom relief OngoingThis study tests whether tolcapone, a drug used for Parkinson's disease, can reduce symptoms of obsessive-compulsive disorder (OCD) in adults. About 49 people with moderate to severe OCD will receive either tolcapone or a placebo. The main goal is to see if the drug safely lowers…
Phase: PHASE2 • Sponsor: University of Chicago • Aim: Symptom relief
Last updated Jun 27, 2026 13:06 UTC
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Can rewriting your life story improve mental health? small trial tests new therapy
Symptom relief OngoingThis study tests a therapy called RETELL that helps people with severe mental illness explore and reshape their life stories. The goal is to improve personal recovery, quality of life, and identity. Twenty adults with conditions like schizophrenia, bipolar disorder, or PTSD will …
Phase: NA • Sponsor: University of Aarhus • Aim: Symptom relief
Last updated Jun 27, 2026 13:04 UTC
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Can acting out help heal? drama therapy trial targets dual diagnosis
Symptom relief TerminatedThis pilot study tests a specific type of drama therapy for people who have both a mental health condition (like depression or bipolar disorder) and a substance use disorder. Ten participants will attend weekly group drama therapy sessions for 12 weeks, then put on a performance.…
Phase: NA • Sponsor: Boston Medical Center • Aim: Symptom relief
Last updated Jun 27, 2026 12:03 UTC
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Can a 'Courage and Love' group therapy beat loneliness in seniors?
Symptom relief OngoingThis study tests a group therapy called Awareness, Courage, and Love (ACL) for older adults with psychiatric disorders who feel lonely. The therapy focuses on mindfulness, sharing feelings, and building connections. Researchers want to see if the program is practical and helpful …
Phase: NA • Sponsor: London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's • Aim: Symptom relief
Last updated Jun 27, 2026 09:00 UTC
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Can online therapy plus In-Person sessions help personality disorders?
Symptom relief OngoingThis study is testing a new type of therapy called Blended Dynamic Interpersonal Therapy (B-DIT) for adults with personality disorders. The therapy mixes face-to-face sessions with online modules over several months. The goal is to see if this approach is acceptable to patients a…
Sponsor: De Viersprong • Aim: Symptom relief
Last updated Jun 26, 2026 15:50 UTC
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Can peers help people recover from mental illness? new study says maybe
Knowledge-focused OngoingThis study tests a 10-week program called 'Grow to Recovery' for people with mental illness. The program is co-led by a peer (someone who also has a mental illness) and a professional. Researchers want to see if it helps participants feel more hopeful and capable. 138 people are …
Phase: NA • Sponsor: National Cheng-Kung University Hospital • Aim: Knowledge-focused
Last updated Jun 27, 2026 14:00 UTC
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Veterans' brain scans could unlock new suicide prevention strategies
Knowledge-focused OngoingThis pilot study uses functional MRI to examine brain activity in trauma-exposed veterans with obsessive-compulsive personality traits, known as overcontrol. Overcontrol can strain relationships and increase suicide risk. The study aims to test whether the brain scanning methods …
Sponsor: VA Office of Research and Development • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:03 UTC
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Lab-Grown brain cells could unlock personalized OCD treatments
Knowledge-focused ENROLLING_BY_INVITATIONThis study looks at 60 people with obsessive-compulsive disorder (OCD) who either respond well to medication, respond to brain stimulation, or don't respond to either. Researchers will take blood samples and turn them into nerve cells in the lab to study how these cells react to …
Phase: NA • Sponsor: ASST Fatebenefratelli Sacco • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:00 UTC
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Ottawa study aims to help homeless youth cut back on tobacco and drugs
Knowledge-focused ENROLLING_BY_INVITATIONThis study looks at tobacco, cannabis, and other drug use among homeless and at-risk youth in downtown Ottawa. Researchers will follow 520 participants aged 16 and older who are homeless or insecurely housed and have a history of cannabis use and mental illness. The goal is to un…
Sponsor: Ottawa Hospital Research Institute • Aim: Knowledge-focused
Last updated Jun 27, 2026 11:03 UTC
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Real-World therapy study seeks to unlock secrets of personality disorder treatment
Knowledge-focused OngoingThis study follows 91 adults with personality disorders who are receiving intensive psychodynamic therapy in a real-world clinic. Researchers want to see if the therapy works as well outside of strict research settings and what specific factors lead to improvement. The goal is to…
Sponsor: KU Leuven • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:03 UTC
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Which therapy works best for troubled teens? new study aims to find out
Knowledge-focused ENROLLING_BY_INVITATIONThis study follows 192 teens aged 12 to 20 who are already receiving either Cognitive Behavioral Therapy (CBT) or Brief Strategic Therapy (BST) for anxiety, depression, or OCD. Researchers will track their progress using questionnaires and interviews over 9 months. The goal is to…
Sponsor: IRCCS Centro Neurolesi Bonino Pulejo • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:01 UTC