D-cycloserine Augmented Treatment for Youth With Tic Disorders

Status Withdrawn

Clinical Trial Summary

This pilot study aims evaluate the feasibility and initial efficacy of behavior therapy augmented by d-cycloserine (DCS) compared to behavior therapy augmented by placebo. After an initial assessment to determine eligibility, youth with TD will be randomly assigned to receive four sessions of behavior therapy augmented by either DCS or placebo. D-cycloserine is an FDA-approved antibiotic medication that has been shown to enhance extinction learning in several studies. The investigators' proof-of-concept work has found that a single session of DCS-augmented behavior therapy reduced the severity of tics targeted in treatment on the Hopkins Motor/Vocal Tic Scale (HM/VTS) compared to placebo-augmented behavior therapy. This highlights the exciting potential of combining DCS with behavior therapy to improve reductions in tic severity. However, prior to a large-scale clinical trial, it is essential to determine the feasibility and efficacy of augmenting behavior therapy with DCS over multiple treatment sessions.

Clinical Trial Description

Tourette's Disorder and Persistent Tic Disorders (collectively referred to as TD) are characterized by the presence of motor and/or vocal tics. For many youth with TD, the severity of tics results in considerable functional impairment and a poor quality of life. While historically managed with psychotropic medications, behavior therapy has demonstrated efficacy for reducing the severity of tics. However, only 50% of youth with TD exhibit a positive treatment response to behavior therapy, and many treatment responders continue to experience bothersome tics. Thus, there is a need to investigate strategies to improve therapeutic outcomes from behavior therapy for youth with TD. This pilot study aims evaluate the feasibility and initial efficacy of behavior therapy augmented by d-cycloserine (DCS) compared to behavior therapy augmented by placebo. After an initial assessment to determine eligibility, youth with TD will be randomly assigned to receive four sessions of behavior therapy augmented by either DCS or placebo. D-cycloserine is an FDA-approved antibiotic medication that has been shown to enhance extinction learning in several studies. The investigators' proof-of-concept work has found that a single session of DCS-augmented behavior therapy reduced the severity of tics targeted in treatment on the Hopkins Motor/Vocal Tic Scale (HM/VTS) compared to placebo-augmented behavior therapy. This highlights the exciting potential of combining DCS with behavior therapy to improve reductions in tic severity. However, prior to a large-scale clinical trial, it is essential to determine the feasibility and efficacy of augmenting behavior therapy with DCS over multiple treatment sessions. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04357951
Study type	Interventional
Source	Johns Hopkins University
Contact
Status	Withdrawn
Phase	Early Phase 1
Start date	April 15, 2023
Completion date	September 2024

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See also
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