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Dose Timing of D-Cycloserine to Augment CBT for Social Anxiety Disorder | Clinical Trials | Clareo Health

COMPLETEDEARLY_PHASE1

Dose Timing of D-Cycloserine to Augment CBT for Social Anxiety Disorder

NCT02066792•University of Texas at Austin

Summary

The purpose of this study is to examine the efficacy of 50 mg of d-cycloserine in comparison to placebo (a pill containing no medication) for improving the effectiveness of cognitive-behavioral therapy (CBT) in reducing symptoms associated with social anxiety disorder. In addition, the study will examine whether the effectiveness of d-cycloserine depends on the timing of the pill administration (i.e., 1- hour before the session or immediately after the session) as well as the success of the CBT therapy sessions. The investigators hypothesize that the tailored post-session DCS administration condition will outperform the other conditions (pre-session DCS, placebo, and non-tailored post-session DCS). This will be evidenced by short- and long-term improvements in social anxiety severity.

Eligibility

Age

18 - 70 years

Sex

ALL

Healthy Volunteers

Yes

Inclusion Criteria

•Male or female outpatients \> 18 years of age with a primary psychiatric diagnosis (designated by the patient as the most important source of current distress) of social anxiety disorder as defined by DSM-5 criteria.
•A total score \> 60 on the LSAS.
•Physical examination and laboratory findings without clinically significant abnormalities.
•Willingness and ability to participate in the informed consent process and comply with the requirements of the study protocol.

Exclusion Criteria

•A lifetime history of bipolar disorder, schizophrenia, psychosis, delusional disorders or obsessive-compulsive disorder; an eating disorder in the past 6 months; organic brain syndrome, mental retardation or other cognitive dysfunction that could interfere with capacity to engage in therapy; a history of substance or alcohol abuse or dependence (other than nicotine) in the last 6 months or otherwise unable to commit to refraining from alcohol use during the acute period of study participation.
•PTSD within the past 6 months. Entry of patients with other mood or anxiety disorders will be permitted if the SAD is judged to be the predominant disorder, in order to increase accrual of a clinically relevant sample. Patients with significant suicidal ideation (MADRS item 10 score \> 3) or who have enacted suicidal behaviors within 6 months prior to intake will be excluded from study participation and referred for appropriate clinical intervention.
•Patients must be off concurrent psychotropic medication (e.g., antidepressants, anxiolytics, beta blockers) for at least 2 weeks prior to initiation of randomized treatment.
•Significant personality dysfunction likely to interfere with study participation.
•Serious medical illness or instability for which hospitalization may be likely within the next year.
•Patients with a current or past history of seizures.
•Pregnant women, lactating women, and women of childbearing potential who are not using medically accepted forms of contraception (e.g., IUD, oral contraceptives, barrier devices, condoms and foam, or implanted progesterone rods stabilized for at least 3 months).
•Any concurrent psychotherapy initiated within 3 months of baseline, or ongoing psychotherapy of any duration directed specifically toward treatment of the SAD is excluded. Prohibited psychotherapy includes CBT or psychodynamic therapy focusing on exploring specific, dynamic causes of the phobic symptomatology and providing management skills. General supportive therapy initiated \> 3 months prior is acceptable.
•Prior non-response to adequately-delivered exposure (i.e., as defined by the patient's report of receiving specific and regular exposure assignments as part of a previous treatment).
•Patients with a history of head trauma causing loss of consciousness, seizure or ongoing cognitive impairment. Current use of isoniazid or ethionamide compounds
+1 more criteria

Locations (3)

Rush University Medical Center

Chicago, Illinois, United States

Boston University

Boston, Massachusetts, United States

University of Texas at Austin

Austin, Texas, United States

Key Dates

Start Date

April 1, 2014

Primary Completion Date

July 1, 2018

Completion Date

July 1, 2018

Last Updated

June 9, 2020

Enrollment

152

ACTUAL participants

Conditions

Social Anxiety Disorder

Interventions

D-Cycloserine

DRUG

Placebo

DRUG

Cognitive Behavioral Therapy

BEHAVIORAL

ACTsocially: The (Dis)Similarities of ACT for Changing Internalizing and Externalizing Symptomatology in Adolescence

NCT07456631

Social Anxiety Disorder (SAD)Oppositional Defiant Disorder

View study

RECRUITINGNA

Internet-Delivered Cognitive Behavioral Intervention for Youths With Anxiety Disorders

NCT06661460

ANXIETY DISORDERS (or Anxiety and Phobic Neuroses)Specific Phobia+5 more

View study

Data Source & Attribution

This clinical trial information is sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

ClinicalTrials.gov last update: June 9, 2020Data synced to Clareo: March 29, 2026

Modifications: This data has been reformatted for display purposes. Eligibility criteria have been parsed into inclusion/exclusion sections. Location data has been geocoded to enable distance-based search. For the authoritative and most current information, please visit ClinicalTrials.gov.

Neither the United States Government nor Clareo Health make any warranties regarding the data. Check ClinicalTrials.gov frequently for updates.

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Dose Timing of D-Cycloserine to Augment CBT for Social Anxiety Disorder

Inclusion Criteria

Exclusion Criteria

ACTsocially: The (Dis)Similarities of ACT for Changing Internalizing and Externalizing Symptomatology in Adolescence

Internet-Delivered Cognitive Behavioral Intervention for Youths With Anxiety Disorders

Individual Factors of CBT Underlying Success

Comparing TBT to Disorder-Specific Psychotherapy in Veterans With Social Anxiety Disorder

Application of Virtual Reality Technology to Treatment of Social Anxiety

Intervention Social Anxiety: Combining Parent-child Treatment