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The effectiveness of cognitive behavioral therapy based on exposure and response prevention on reduction of obsessive compulsive symptoms in scrupulosity and contamination obsessions

The effectiveness of cognitive behavioral therapy based on exposure and response prevention on reduction of obsessive compulsive symptoms, changing P300 component and improving executive functioning in scrupulosity and contamination obsessions

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
IRCT
Registry ID
IRCT20190514043591N1
Enrollment
75
Registered
2019-08-28
Start date
2019-07-29
Completion date
Unknown
Last updated
2019-10-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Obsessive-compulsive disorder. Obsessive-compulsive disorder

Interventions

Intervention 1: Intervention group 1: The group of scrupulosity patients under 10-15 sessions of exposure and response prevention. Intervention 2: Intervention group 2: The group of contamination pati

Sponsors

Ferdowsi University of Mashhad
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 55 Years

Inclusion criteria

Inclusion criteria: ?Diagnosis of obsessive-compulsive disorder through a structured clinical interview based on DSM-IV criteria The minimum score for the diagnosis of obsessive-compulsive disorder in the Yale-Brown Compulsive Scale The minimum score for the diagnosis of obsessive-compulsive disorder in the Penn's Religious Observatory. Aged 18 to 55 years The minimum cycle level of education

Exclusion criteria

Exclusion criteria: The risk of psychiatric disorder such as anxiety disorders, major depressive disorder, bipolar disorder, significant neurological disorder such as epilepsy, History of severe head injury Impaired vision and hearing Personality disorder Consumption of the drug or the simultaneous consumption of the drug in the last two years

Design outcomes

Primary

MeasureTime frame
Obsessive compulsive symptoms. Timepoint: Before the intervention, After intervention. Method of measurement: Yale-Brown's Obsessive-Compulsive Scale Religious Penny Questionnaire.;Executive functioning. Timepoint: Before the intervention, After intervention. Method of measurement: Wisconsin Card Sorting Test.;P300 component. Timepoint: Before the intervention, After intervention. Method of measurement: ERP.

Secondary

MeasureTime frame
Depression. Timepoint: Before the intervention, After intervention. Method of measurement: Beck scale.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactHamid Mirhoseini

Yazd University of Medical Sciences

miehoseini.h@gmail.com+98 51 3880 5000

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026