Duloxetine for Social Anxiety Disorder: Prediction of Long Term Outcome

Completed · Phase 3 · Has a placebo group

Conditions studied: Anxiety Disorder

In brief

The purpose of this study is to examine the safety and efficacy of duloxetine for the treatment of social anxiety disorder.

Key facts

Study ID

NCT00114127

Run by

Massachusetts General Hospital

People needed

28

Starts

2004-06-01

Expected to finish

2010-07-01

Last updated by the study team

2014-06-10

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Male or female outpatients > 18 years of age with a primary psychiatric diagnosis of generalized social anxiety disorder as defined by DSM-IV criteria and an LSAS score > 50.
• Physical examination, electrocardiogram, and laboratory findings without clinically significant abnormalities.
• Willingness and ability to comply with the requirements of the study protocol.

You may not qualify if…

• Patient has a history of intolerance or lack of response to a treatment trial of duloxetine at highest tolerated dose (<120mg/day).
• Patients with acute narrow angle glaucoma.
• 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).
• Concurrent use of other psychotropic medications. Patients must discontinue regular benzodiazepine or antidepressant therapy at least one week (5 weeks for fluoxetine) prior to baseline. Concomitant beta-blockers are proscribed unless prescribed for a medical indication (e.g., hypertension, at a stable daily dose for > 1 month).
• Patients with a history of failure to satisfactorily respond to >2 prior adequate treatment trials.
• Significant personality dysfunction likely to interfere with study participation.
• Serious medical illness or instability for which hospitalization may be likely within the next year.
• Seizure disorders with the exception of a history of febrile seizures if they occurred during childhood, were isolated, and did not recur in adulthood.
• Concurrent psychotherapy initiated within 2 months of baseline is prohibited. Ongoing psychotherapy of any duration directed specifically toward treatment of the social anxiety disorder is excluded. Prohibited psychotherapy includes cognitive behavioral therapy or psychodynamic therapy that focuses on exploring specific, dynamic causes of the phobic symptomatology and provides skills for their management. General supportive individual, couples, or family therapy greater than 2 months duration is acceptable.
• Diagnosis of any of the following mental disorders as defined by the DSM-IV: a lifetime history of schizophrenia or any other psychosis, mental retardation, organic medical disorders or bipolar disorder; eating disorders in the past 6 months; alcohol or substance abuse in the past 3 months or dependence within the past 6 months.
• Entry of patients with major depression, dysthymia, panic disorder, generalized anxiety disorder, post-traumatic stress disorder or obsessive-compulsive disorder will be permitted if the social anxiety disorder 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.

Where it is running

• Massachusetts General Hospital — Boston, Massachusetts, United States

Full record on ClinicalTrials.gov

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