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The effect of dextromethorphan on the severity of symptoms and brain function in patients with obsessive-compulsive disorder: An ERP study

The effect of dextromethorphan on the severity of symptoms and brain function in patients with obsessive-compulsive disorder: An ERP study

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
IRCT
Registry ID
IRCT20130518013359N6
Enrollment
50
Registered
2022-04-20
Start date
2022-02-20
Completion date
Unknown
Last updated
2022-05-02

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

Sponsors

Mashhad University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 60 Years

Inclusion criteria

Inclusion criteria: Patients with obsessive-compulsive disorder who have been treated with high doses of SSRI for at least 8 weeks but whose Y-BOCS index is higher than cut-off 15.People aged 18 to 60 yearsObtain patient informed consent People aged 18 to 60 years Obtain patient informed consent

Exclusion criteria

Exclusion criteria: Pregnancy or breastfeeding Using serotonergic drugs other than SSRIs Use of NMDA receptor antagonists other than memantine and dextromethorphan Major Depressive Disorder (Based on DSM-IV-TR Criteria) Psychotic and bipolar disorders (based on DSM-5 criteria) Other anxiety disorders (such as panic disorder, post-traumatic stress disorder (PTSD), general anxiety disorder (GAD) Abuse or dependence on drugs or alcohol Liver dysfunction (LFT> 3ULN) Kidney dysfunction (GFR <60 ml / kg / min) Thyroid Disorders (Based on Thyroid Function Test) History of seizures Cognitive-behavioral therapy

Design outcomes

Primary

MeasureTime frame
Changing of the latency and amplitude of brainwave components in the ERP study. Timepoint: Before intervention and 1 month, 2 months and 3 months after intervention. Method of measurement: Yale–Brown Obsessive Compulsive Scale.

Secondary

MeasureTime frame
Changes in quantitative electroencephalography (QEEG). Timepoint: Before intervention and 3 months after intervention. Method of measurement: Quantitative Electroencephalogram.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactSadjadi Alireza

Mashhad University of Medical Sciences

sadjadia@mums.ac.ir+98 51 3711 2701

Outcome results

None listed

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