Clinical trial Recruiting at 1 site Interventional Ages 18 to 75

Glucose Consumption During Deep Brain Stimulation With Functional [18F]FDG-Brain-PET in Obsessive-Compulsive Disorder

Run by Medical University of Vienna · NCT05577598 · Data updated 2026-11-12

This study is testing how the brain uses sugar during deep brain stimulation to see if it helps people with obsessive-compulsive disorder.

Quick facts

Study typeInterventional
Ages18 Years to 75 Years
SexAll
Enrollment8 (estimated)
SponsorMedical University of Vienna
Academic / other
Locations1 site (Vienna, State of Vienna)
StatusRecruiting
StartedApril 1, 2022
Main results expectedMay 1, 2026
Study endsSeptember 1, 2026
Registry record updatedJune 13, 2025
Trial IDNCT05577598 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Unknown

Probably not a fit

Unknown

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

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Why it matters

Potential benefit: Unknown

How similar studies have gone: Unknown

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* a score of 25 or higher on the Yale-Brown Obsessive Compulsive Scale
* previous failure to respond to at least two medication trials with serotonin reuptake inhibitors at or, if tolerated, beyond the FDA maximum recommended dose for a minimum duration over at least ten weeks each.
* at least one trial with tricyclic medication at or, if tolerated, beyond the FDA maximum recommended dose for a minimum duration over at least ten weeks each.
* at least one trial of augmentation with antipsychotic medication, lithium, a benzodiazepine or buspirone
* at least on trial of psychotherapy (cognitive behavioral therapy or comparable techniques) for at least 20 sessions
* ability to provide written informed consent

Exclusion Criteria:

* any history of current or past psychotic disorder
* a manic episode within the preceding three years
* any current clinically significant medical or neurological disorder, that is a contraindication against DBS
* any disease that could lead to an altered glucose reactivity (e.g. diabetes)
* any clinically significant preoperative MRI abnormality or inability to undergo presurgical MRI
* current or unstable remitted substance abuse or dependence except nicotine
* pregnancy or high risk of becoming pregnant during study duration (desire to have children) and refusal to utilize a proper method of contraception
* Any current severe personality disorder except comorbid anankastic personality disorder
* Inability to follow the study protocol or adhere to operational requirements
* Current and unstable suicidality

Where it's running

  • Medical University of Vienna, Department of Psychiatry and Psychotherapy
    Vienna, State of Vienna, Austria
    Recruiting

Study contacts

  • Principal investigator: Christoph Kraus, MD PhD — Medical University of Vienna, Department of Psychiatry and Psychotherapy
  • Study coordinator: Christoph Kraus, MD PhD
  • Email: christoph.kraus@muv.ac.at
  • Phone: +43 1 40400 73882

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Other studies for the same condition or treatment. Recruiting studies are listed first.

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  • Targeted brain stimulation for OCD: test of tTIS on nucleus accumbens

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.