Neurofeedback for Treatment-resistant Obsessive-compulsive Disorder (OCD)

Status Recruiting

Clinical Trial Summary

The aim of this study is to teach participants with a OCD diagnosis and treatment-resistance how to decrease the response from a brain region involved in the disease by using a technique called neurofeedback. While using this technique, the participants visualize their own brain response in a screen during a MRI exam. Participants will learn strategies to decrease brain responses. The neurofeedback technique is non-invasive, without known risks to participants. With this study, it is expect that the neurofeedback training over 2 weeks (2 sessions) will reduce the OCD symptoms when compared to a control intervention based on neurofeedback's placebo effects.

Clinical Trial Description

OCD individuals will be recruited at Hospital of Braga, Braga, Portugal, in collaboration with the Psychiatry Unit (n = 30, nonrandom convenience sample based on effect size of 0.30, alpha = beta = 0.05, and ANOVA repeated measures within-between interaction). Some participants may quit the study but sample size was predetermined considering a putative 30 percent dropout rate. Clinical history will be assessed (sociodemographic information, disease onset and severity, and previous/current treatments). The participants' neuropsychological state, the blood hormonal levels, and brain function and structure as baseline measures before and after the neurofeedback intervention will be assessed. Two MRI neurofeedback sessions will be performed during 2 weeks (2 distinct days; 36 min per session) in a 3 T MRI scanner. Data analysis will be performed with a repeated measures design (baseline and after neurofeedback) between the groups to measure brain, blood, and neuropsychological changes. Patients will be supervised by a physician to track putative complications/adverse effects during the intervention. The participation will be immediately interrupted in case of adverse reactions or symptomatic worsening and a physician will follow the participants to provide the appropriated care. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03956771
Study type	Interventional
Source	University of Minho
Contact	Pedro Morgado, M.D., Ph.D.
Phone	00351 253 604 931
Email	pedromorgado@med.uminho.pt
Status	Recruiting
Phase	N/A
Start date	April 5, 2019
Completion date	August 31, 2021

View Details

See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.