NCT00205946

Brief Summary

The purpose of the study is to evaluate the effects of a single-dose of Wellbutrin XL (bupropion hydrochloride) on reward processing.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
32

participants targeted

Target at P25-P50 for phase_1 major-depressive-disorder

Timeline
Completed

Started Apr 2005

Typical duration for phase_1 major-depressive-disorder

Geographic Reach
1 country

2 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

April 1, 2005

Completed
6 months until next milestone

First Submitted

Initial submission to the registry

September 13, 2005

Completed
8 days until next milestone

First Posted

Study publicly available on registry

September 21, 2005

Completed
1.8 years until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2007

Completed
Last Updated

December 6, 2007

Status Verified

November 1, 2007

First QC Date

September 13, 2005

Last Update Submit

December 4, 2007

Conditions

Keywords

Reward ProcessingWellbutrinBupropion

Outcome Measures

Primary Outcomes (1)

  • Whether an acute dose of bupropion vs. placebo differentially affects the neurobiology and behavior of reward processing in depressed participants.

    1 day

Study Arms (2)

Placebo

PLACEBO COMPARATOR
Drug: Placebo

Bupropion

ACTIVE COMPARATOR
Drug: Bupropion

Interventions

150 mg of bupropion administered 5 hours before fMRI scanning

Also known as: Wellbutrin XL
Bupropion

Administered 5 hours prior to fMRI scanning (randomly assigned, double blind)

Placebo

Eligibility Criteria

Age18 Years - 64 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Absence of medical, neurological, and psychiatric illness (including alcohol and substance abuse)
  • Non-Smoker
  • Right-handed (Chapman and Chapman 1987)
  • Ability to provide informed consent

You may not qualify if:

  • Predisposition to seizure (e.g. family history of a seizure disorder, history of head trauma) or current use of medications that lower the seizure threshold
  • History or current diagnosis of anorexia or bulimia
  • Alcohol or substance abuse within the past year
  • Current usage of Wellbutrin or Zyban or other drugs that contain bupropion
  • Recent discontinuation of alcohol or sedatives (including benzodiazepines)
  • Use of (in the last 2 weeks) medications that may have antidepressant properties (ex. some herbal supplements)
  • Known allergies to bupropion
  • Currently lactating, pregnant or believe you are likely to be pregnant (enrolled subjects who are not using reliable contraception and have engaged in sexual intercourse since their last menstrual period will be given a self-administered pregnancy test.)
  • Left-handed/ambidextrous
  • Evidence of neurological illness
  • Serious suicide or homicide risk

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

The Depression Clinical and Research Program, Massachusetts General Hospital

Boston, Massachusetts, 02114, United States

Location

Affective Neuroscience Laboratory, Department of Psychology, Harvard University

Cambridge, Massachusetts, 02138, United States

Location

MeSH Terms

Conditions

Depressive Disorder, Major

Interventions

Bupropion

Condition Hierarchy (Ancestors)

Depressive DisorderMood DisordersMental Disorders

Intervention Hierarchy (Ancestors)

PropiophenonesKetonesOrganic Chemicals

Study Officials

  • Diego A Pizzagalli, PhD

    Harvard University

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
CROSSOVER
Sponsor Type
OTHER

Study Record Dates

First Submitted

September 13, 2005

First Posted

September 21, 2005

Study Start

April 1, 2005

Study Completion

July 1, 2007

Last Updated

December 6, 2007

Record last verified: 2007-11

Locations