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Milk Thistle in Body Dysmorphic Disorder

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The University of Chicago

Status and phase

Withdrawn
Phase 2

Conditions

Body Dysmorphic Disorder

Treatments

Drug: Milk Thistle
Drug: Placebo

Study type

Interventional

Funder types

Other

Identifiers

NCT02843451
16-0642

Details and patient eligibility

About

The proposed study will consist of a 9 week double-blind cross-over study trial of milk thistle in 15 people (ages 18-65). The study will be divided into an initial 4 week phase, a one week wash out phase, and a second 4 week phase, with one of the 4 week phases consisting of active treatment with milk thistle, and the other 4 week phase consisting of inactive placebo treatment. Participants will be randomized to receive either milk thistle or placebo during the first 4 week phase on a 1:1 basis. This blinding will be maintained by the IDS pharmacy at the University of Chicago.

Full description

The goal of the proposed study is to evaluate the efficacy and safety of silymarin (milk thistle) in adults with body dysmorphic disorder. The hypothesis to be tested is that silymarin will be more effective and well tolerated in adults with body dysmorphic disorder compared to placebo. The proposed study will provide needed data on the treatment of a disabling disorder that currently lacks a clearly effective treatment.

The primary aim of this application is to conduct a randomized placebo-controlled pharmacotherapy trial using silymarin (milk thistle) in 15 participants with body dysmorphic disorder. The study will consist of three phases: a 4 week active treatment phase with milk thistle, a 4 week placebo phase, and a one week wash out phase between the active and placebo phases. The subjects will be randomized to either receive active or placebo treatment in the first 4 weeks, and the other during the remaining 4 week phase.

This will be one of few studies assessing the use of pharmacotherapy for the treatment of body dysmorphic disorder in adults. Assessing the efficacy and safety of silymarin (milk thistle), will help inform clinicians about additional treatment options for adults suffering from this disorder.

Sex

All

Ages

18 to 65 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Males and females age 18-65
  • Diagnosis of current body dysmorphic disorder (BDD) based on DSM-5 criteria and confirmed using the clinician-administered Structural Clinical Interview for DSM-5 (SCID)
  • Able and willing to provide written consent for participation

Exclusion criteria

  • Unstable medical illness as determined by the investigator
  • History of seizures
  • Clinically significant suicidality (defined by the Columbia Suicide Severity Rating Scale)
  • Baseline score greater than or equal to 17 on the Hamilton Depression Rating Scale (17-item HDRS)
  • Lifetime history of bipolar disorder type I or II, schizophrenia, autism, any psychotic disorder, or any substance use disorder
  • Initiation of psychotherapy of behavior therapy within 3 months prior to study baseline
  • Previous treatment with milk thistle
  • Any history of psychiatric hospitalization in the past year
  • Currently pregnant (confirmed by urine pregnancy test)

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Crossover Assignment

Masking

Quadruple Blind

0 participants in 2 patient groups, including a placebo group

Silymarin (Milk Thistle)
Experimental group
Description:
Each subject will have a 4 week treatment phase with milk thistle.
Treatment:
Drug: Milk Thistle
Placebo
Placebo Comparator group
Description:
4 week placebo phase before or after milk thistle phase depending on randomization.
Treatment:
Drug: Placebo

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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