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Cerebral and Cognitive Markers of Treatment Resistance in Obsessive Compulsive Disorder

Cerebral and Cognitive Markers of Treatment Resistance in Obsessive-compulsive Disorder: Towards Personalization of Patient Care

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT05843604
Acronym
3TOC
Enrollment
100
Registered
2023-05-06
Start date
2023-07-03
Completion date
2027-09-30
Last updated
2026-01-13

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

Conditions

OCD

Keywords

functional MRI

Brief summary

This study aims to define individual profiles of treatment resistants in order to find indicators and predictors of the therapeutic response.

Interventions

OTHERFunctional MRI

Three cognitive tests will be performed in the MRI, namely a stroop task, an N-back task and a switching task

Sponsors

Centre Hospitalier Henri Laborit
Lead SponsorOTHER

Study design

Observational model
CASE_CONTROL
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
18 Years to 70 Years
Healthy volunteers
Yes

Inclusion criteria

* Obsessive compulsive disorder diagnosed according to Diagnostic and Statistical Manual 5 criteria (patients will be included regardless of the severity and resistance of their pathology and their levels of executive functions) * Understand and accept the constraints of the study * Be a beneficiary or affiliated to a Health Insurance scheme

Exclusion criteria

* Present one of the diagnoses according to the criteria of the DSM 5: schizophrenic disorders, substance abuse or dependence to a substance according to the criteria of the M.I.N.I. version 5.0 (Sheehan et al., 1998) * Generalized anxiety disorder, social anxiety, nicotine dependence and history of a major depressive episode are not

Design outcomes

Primary

MeasureTime frameDescription
Cerebral activity modification during N-back taskDay 1Blood-oxygen-level-dependent (BOLD) modification during the task between obsessive compulsive disorder patients and controls
Cerebral activity modification during Stroop taskDay 1Blood-oxygen-level-dependent (BOLD) modification during the task between obsessive compulsive disorder patients and controls
Cerebral activity modification during switching task (Monsell et Mizon task )Day 1Blood-oxygen-level-dependent (BOLD) modification during the task between obsessive compulsive disorder patients and controls

Countries

France

Contacts

Primary ContactDamien Doolub, MD
damien.doolub@ch-poitiers.fr+33 (0)5 16 61 18

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026