Study of Fluoxetine in Adults With Autistic Disorder

March 24, 2015 updated by: Icahn School of Medicine at Mount Sinai

Fluoxetine vs Placebo in Adult Autistic Disorder

This is a study to determine the effect of fluoxetine in the treatment of adult autism and on functional ability and behavior associated with autism. Evidence suggests abnormal serotonin function in autism. Fluoxetine is a selective inhibitor of the serotonin transporter.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

Eligible patients will undergo comprehensive evaluation. Informants familiar with the patient will also provide information. Patients will be randomized to receive treatment or placebo. During the 12-week treatment there will be weekly monitoring for the first 4 weeks and biweekly monitoring for the next 8 weeks. The drug dosage will be increased each week as tolerated by the patient. Serum levels of fluoxetine and norfluoxetine will be documented at Week 12.

Completion date provided represents the completion date of the grant per OOPD records

Study Type

Interventional

Enrollment

48

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • New York
      • New York, New York, United States, 10029
        • Mount Sinai School of Medicine

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 65 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion criteria:

  • Meets DSM-IV and ADI criteria for autistic disorder
  • Patients must use effective contraception
  • Negative pregnancy test
  • Clinical Global Impression-Severity Scale for Autistic Disorder (CGI-AD) score of 4

Exclusion criteria:

  • Pregnant or nursing
  • Prior or concurrent history of mental disorders, including schizophrenia, schizoaffective disorder, organic mental disorders, or bipolar disorders
  • Concurrent depression determined by DSM-IV diagnosis
  • Serious suicidal risk
  • Active seizure disorder within the past 2 years
  • Clinically significant or unstable medical illness, including hematopoietic or cardiovascular disease
  • Any organic or systemic disease
  • Any geographical condition that would preclude study compliance
  • Prior or concurrent gastrointestinal, liver, or kidney disease
  • Any other concurrent condition that interferes with the absorption, distribution, metabolism, or excretion of drugs
  • Prior or concurrent cerebrovascular disease or brain trauma
  • Prior or concurrent clinically significant unstable endocrine disorder, such as hypo- or hyperthyroidism
  • Prior or concurrent malignancy
  • Clinically significant abnormalities on EKG, laboratory tests, or physical exam
  • Requirement for ECT or any other psychotropic medication
  • Inability to tolerate taper from psychoactive medication
  • History of hypersensitivity or severe side effects associated with the use of fluoxitine or other serotonin reuptake inhibitors
  • Treatment with any drug known to have a well-defined potential for toxicity to a major organ within the past 30 days
  • Concurrent terfenadine (Seldane) or astemizole (Hismanal)
  • Prior treatment with fluoxetine of 40 mg/day for 6 weeks
  • Prior electroconvulsive therapy within the past 3 months
  • Prior investigational drug use within the past 30 days
  • Prior Monoamine oxidase inhibitor use within the past 14 days
  • Prior long-acting phenothiazines within the past 6 weeks
  • Prior psychotropic drugs within the past 7 days
  • Prior fluoxetine within the past 6 weeks
  • Requirement for any therapeutic intervention that would confound study evaluation

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Double

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Investigators

  • Principal Investigator: Eric Hollander, MD, Mount Sinai School of Medicine New York, New York, United States

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

September 1, 2001

Study Completion

August 1, 2005

Study Registration Dates

First Submitted

December 5, 2001

First Submitted That Met QC Criteria

December 6, 2001

First Posted (Estimate)

December 7, 2001

Study Record Updates

Last Update Posted (Estimate)

March 25, 2015

Last Update Submitted That Met QC Criteria

March 24, 2015

Last Verified

November 1, 2002

More Information

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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