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Adjunctive Treatment With L-methylfolate for Treatment-Resistant Generalized Anxiety Disorder: a Pilot Study

Generalized Anxiety Disorder Clinical Trial

Official title:
PSIY-744-23: Adjunctive Treatment With L-methylfolate for Treatment-Resistant Generalized Anxiety Disorder: a Pilot Study

Clinical Trial Summary

The goal of this feasibility study is to determine the tolerability and safety of add on treatment with L-methylfolate in patients with treatment-resistant generalized anxiety disorder (GAD). The primary objective is to monitor for side effects and other risks associated with the treatment. Secondary objectives are to compare the severity of symptoms, serum levels of folate, vitamin B12, C-reactive protein and homocysteine before and after treatment. Participants will continue with their usual treatment for GAD and receive add on treatment with L-methylfolate 15 mg per day for 8 weeks. All participants will receive the same intervention.

Clinical Trial Description

Background: Up to 33.7% of the population are affected by an anxiety disorder during their lifetime according to large populationbased surveys. Generalized anxiety disorder (GAD) has a lifetime prevalence of 2.8% to 6.2% in these studies. GAD is associated with functional, occupational, and quality of life impairments. Certain types of medications and psychotherapies are established treatments for GAD, but only 50% of the patients respond to the first treatment trial. Deficiency of folates and neuroinflammation are two hypothesis that could explain why some patients with anxiety disorders do not respond to the usual treatments. Supplementation with folates could correct these deficiencies and reduce inflammation, thus increasing the success rates for treatments. In studies with major depressive disorder, adjunctive folates were associated to higher remission rates. Other studies indicate that folate supplementation lowers homocysteine levels and inflammation. Objectives: Ascertain if adjunctive treatment with Lmethylfolate can produce improvement in treatment-resistant GAD subjects. Methods: This is a proof-of-concept pilot study, an open-label trial of adjunctive treatment with L-methylfolate in patients with treatment-resistant GAD. Ten adult patients with treatment-resistant GAD who have been on a stable dose of an SSRI or SNRI for at least 12 weeks will receive 15 mg doses of L-methylfolate daily for 8 weeks. Patients with moderate to severe major depressive disorder or suicide risk will not be included. Serum levels of folate, vitamin B12, C-reactive protein and homocysteine will be measured before and after the trial. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT06218030
Study type Interventional
Source Queen's University
Contact
Status Not yet recruiting
Phase Phase 4
Start date April 2024
Completion date March 2025
View Details
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