D-Cycloserine Augmentation of Intermittent Theta Burst Stimulation (iTBS)

Status Recruiting

Clinical Trial Summary

The goal of this clinical trial is to investigate if the drug D-Cycloserine (DCS) improves the antidepressant effects of Intermittent Theta Burst Stimulation (iTBS), a non-invasive brain stimulation therapy, in patients with Major Depressive Disorder (MDD). The main questions it aims to answer are: - Whether taking DCS prior to iTBS therapy will be more effective in improving depressive symptoms than iTBS therapy alone. - Compare the effect of DCS 100mg/day versus 50mg/day on depressive symptoms. - Test the safety and tolerability of DCS. Participants will take either 50mg DCS per day, 100mg DCS or placebo prior to each iTBS treatment session. iTBS treatment will be administered daily, 5 days a week for 4 weeks. Clinical measures will be conducted at baseline and at the ends of weeks 1, 2, 3 and 4 of treatment.

Clinical Trial Description

Major Depressive Disorder (MDD) is a common and debilitating condition with high rates of treatment resistance. Repetitive transcranial magnetic stimulation (rTMS) is an established treatment for treatment-resistant depression with few adverse effects. Intermittent Theta Burst Stimulation (iTBS) is a time-efficient form of rTMS with evidence base in the treatment of treatment-resistant depression (TRD). The most commonly supported understanding of iTBS's mechanism of action appear to be its strengthening of connections between networks of neurons, which is modulated by the N-methyl-D-aspartate (NMDA) receptor. D-cycloserine (DCS) is a partial NMDA receptor agonist that has demonstrable impact on rTMS and TBS's neuromodulatory effects. This study protocol proposes the conduct of a prospective multi-site, parallel-arm design, randomized, double-blinded, placebo-controlled clinical trial to investigate DCS augmentation of iTBS in MDD. We will investigate if adjuvant DCS 50mg or 100mg/day might have superior iTBS antidepressant augmentation effects. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05591677
Study type	Interventional
Source	The Alfred
Contact	Kaila Bianco
Phone	+61 3 9076 6564
Email	tms-trials@monash.edu
Status	Recruiting
Phase	Phase 2
Start date	April 21, 2023
Completion date	December 2024

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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.

D-Cycloserine Augmentation of Intermittent Theta Burst Stimulation (iTBS) in Depression (COGENT)

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms