NCT00232336

Brief Summary

The purpose of this study was to collect pilot data on whether quetiapine may be effective in the reduction of cocaine use and cravings in cocaine dependent individuals.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
42

participants targeted

Target at P25-P50 for phase_4

Timeline
Completed

Started Oct 2003

Typical duration for phase_4

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

October 1, 2003

Completed
2 years until next milestone

First Submitted

Initial submission to the registry

September 30, 2005

Completed
4 days until next milestone

First Posted

Study publicly available on registry

October 4, 2005

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 1, 2006

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

January 1, 2006

Completed
Last Updated

April 19, 2024

Status Verified

April 1, 2024

Enrollment Period

2.3 years

First QC Date

September 30, 2005

Last Update Submit

April 18, 2024

Conditions

Keywords

cocainedrugsubstanceabuseaddictiondependencequetiapineantipsychotictreatment

Outcome Measures

Primary Outcomes (3)

  • score on a self-report measure of cocaine use at 6 weeks

    after 6 weeks treatment

  • score on a self-report measure of cocaine cravings at 6 wks

    after 6 weeks treatment

  • results from urine drug screens across 6 weeks

    weekly

Secondary Outcomes (1)

  • addiction severity

    after 6 weeks treatment

Interventions

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Age 18-65
  • DSM-IV diagnosis of cocaine dependence without psychotic symptoms
  • Females must be of non-child bearing potential or on appropriate contraceptive and not breast-feeding.
  • Females must have a negative serum beta HCG at screening.
  • The subject or his/her legal representative must provide informed, written consent.

You may not qualify if:

  • Females who are pregnant or lactating
  • Concurrent participation or participation within the prior 30 days in any study involving investigational medications
  • Current diagnosis of Schizophrenia, Schizoaffective Disorder, or Bipolar Disorder
  • Use of any antipsychotic medication within the prior three months
  • History of idiopathic orthostatic hypotension, or sensitivity to the hypotensive effects of antipsychotic medication
  • Angina pectoris or myocardial infarction in the 6 months prior to screening
  • Persistent standing heart rate \>120bpm or supine tachycardia (heart rate \> 100 bpm)
  • Sustained cardiac arrhythmia or history of clinically significant cardiac arrhythmia
  • Cataracts (as per medical history or examination)
  • Known personal history of seizure disorder
  • Known history of seizure disorder in first-degree relatives
  • History of significant head trauma, defined as head trauma resulting in loss of consciousness for more than five minutes and/or neurological or cognitive sequelae
  • Use of potent cytochrome P450 inhibitors or inducers within 14 days before the baseline visit or during treatment, including but not limited to the agents identified in the study protocol
  • Barbiturate use (as per self report or positive findings for barbiturates on the screening urine drug assay)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

VA Puget Sound Health Care System, American Lake Division

Tacoma, Washington, 98493, United States

Location

MeSH Terms

Conditions

Cocaine-Related DisordersSubstance-Related DisordersBehavior, Addictive

Interventions

Quetiapine Fumarate

Condition Hierarchy (Ancestors)

Chemically-Induced DisordersMental DisordersCompulsive BehaviorImpulsive BehaviorBehavior

Intervention Hierarchy (Ancestors)

DibenzothiazepinesThiazepinesThiepinsSulfur CompoundsOrganic ChemicalsHeterocyclic Compounds, 3-RingHeterocyclic Compounds, Fused-RingHeterocyclic Compounds

Study Officials

  • Andre Tapp, M.D.

    VA Puget Sound Health Care System, Tacoma and Seattle, WA and University of Washington, Department of Psychiatry and Behavioral Sciences, Seattle, WA

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 4
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER

Study Record Dates

First Submitted

September 30, 2005

First Posted

October 4, 2005

Study Start

October 1, 2003

Primary Completion

January 1, 2006

Study Completion

January 1, 2006

Last Updated

April 19, 2024

Record last verified: 2024-04

Locations