NCT00149643

Brief Summary

Adolescents who are diagnosed with major depressive disorder are often also diagnosed with marijuana dependence. Fluoxetine is an antidepressant medication currently used to treat young people who are diagnosed with major depressive disorder. The purpose of this study is to determine the effectiveness of fluoxetine in treating adolescents and young adults diagnosed with both major depressive disorder and marijuana dependence.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
70

participants targeted

Target at P50-P75 for phase_2

Timeline
Completed

Started Sep 2004

Longer than P75 for phase_2

Geographic Reach
1 country

1 active site

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

September 1, 2004

Completed
1 year until next milestone

First Submitted

Initial submission to the registry

September 6, 2005

Completed
2 days until next milestone

First Posted

Study publicly available on registry

September 8, 2005

Completed
3.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2009

Completed
3.1 years until next milestone

Results Posted

Study results publicly available

September 3, 2012

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2012

Completed
Last Updated

June 24, 2013

Status Verified

June 1, 2013

Enrollment Period

4.9 years

First QC Date

September 6, 2005

Results QC Date

February 8, 2012

Last Update Submit

June 17, 2013

Conditions

Keywords

CannabisMDD

Outcome Measures

Primary Outcomes (2)

  • Days Per Week of Cannabis Use.

    The number days out of the last seven days that cannabis was used.

    12 Weeks

  • Depression Symptoms at Week 12

    Average of Beck Depression Inventory (BDI) Scores measured at Weeks 1-4, 6, 8, 10 and 12. The BDI is a subject reported measure that has a minimim score of 0 and a maximum score of 63. A better outcome would consist of values near the minimum end of the scale (0) and a worse outcome would consist of values near the maximum end of the scare (63). Each DSM-IV criteron asses a different depressive symptom.

    12 Weeks

Secondary Outcomes (1)

  • Number of Cannabis Use Disorder Criterion Met at a Particular Time Point.

    12 Weeks

Study Arms (2)

Fluoxetine

ACTIVE COMPARATOR

Gelatin capsules Fluoxetine 10 mg, 1 capsule every a.m. Medication will be increased by one capsule, to a daily dose of fluoxetine 20 mg, 2 capsules barring side effects.

Drug: Fluoxetine

Placebo

PLACEBO COMPARATOR

Gelatin capsules Placebo capsules, identical to Fluoxetine capsules, 1 capsule every a.m. Medication will be increased by one capsule, to a daily dose of placebo, 2 capsules barring side effects.

Other: Placebo

Interventions

Gelatin capsules Fluoxetine 10 mg, 1 capsule every a.m. Medication will be increased by one capsule, to a daily dose of fluoxetine 20 mg, 2 capsules barring side effects.

Also known as: Prozac
Fluoxetine
PlaceboOTHER

Gelatin capsules Placebo capsules, identical to Fluoxetine capsules, 1 capsule every a.m. Medication will be increased by one capsule, to a daily dose of placebo, 2 capsules barring side effects.

Placebo

Eligibility Criteria

Age14 Years - 25 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64)

You may qualify if:

  • DSM-IV diagnosis of current marijuana abuse or dependence, confirmed by SCID-SUD
  • DSM-IV diagnosis of current major depressive disorder, confirmed by the K-SADS
  • Marijuana use of at least two days within the week prior to enrollment
  • Demonstrated adequate levels of depressive symptoms within the week prior to enrollment

You may not qualify if:

  • DSM-IV diagnosis of bipolar disorder, schizoaffective disorder, or schizophrenia
  • Hypo or hyperthyroidism
  • Significant cardiac, neurological, or kidney impairment
  • Liver disease (SGOT, SGPT, or gamma-GTP greater than 3 times the normal level)
  • Use of antipsychotic or antidepressant medication in the month prior to enrollment
  • DSM-IV dependence on any substance except marijuana or nicotine; alcohol dependence, or history of drug use
  • History of significant medication side effects from any SSRI antidepressant
  • Pregnant
  • Unable to use adequate contraceptive methods for the duration of the study
  • Inability to read or understand English

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Department of Psychiatry

Pittsburgh, Pennsylvania, 15213, United States

Location

Related Publications (1)

  • Cornelius JR, Bukstein OG, Douaihy AB, Clark DB, Chung TA, Daley DC, Wood DS, Brown SJ. Double-blind fluoxetine trial in comorbid MDD-CUD youth and young adults. Drug Alcohol Depend. 2010 Nov 1;112(1-2):39-45. doi: 10.1016/j.drugalcdep.2010.05.010. Epub 2010 Jun 23.

MeSH Terms

Conditions

Depressive Disorder, MajorMarijuana Abuse

Interventions

Fluoxetine

Condition Hierarchy (Ancestors)

Depressive DisorderMood DisordersMental DisordersSubstance-Related DisordersChemically-Induced Disorders

Intervention Hierarchy (Ancestors)

PropylaminesAminesOrganic Chemicals

Results Point of Contact

Title
Jack R. Cornelius, M.D.
Organization
University of Pittsburgh

Study Officials

  • Jack R Cornelius

    University of Pittsburgh at Pittsburgh

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor of Psychiatry

Study Record Dates

First Submitted

September 6, 2005

First Posted

September 8, 2005

Study Start

September 1, 2004

Primary Completion

August 1, 2009

Study Completion

December 1, 2012

Last Updated

June 24, 2013

Results First Posted

September 3, 2012

Record last verified: 2013-06

Locations