Study Stopped
PI left institution, end of funding, clinic relocation, recruitment issues
Pharmacotherapy Dosing Regimen in Cocaine and Opiate Dependent Individuals - 8
3 other identifiers
interventional
54
1 country
1
Brief Summary
The purpose of this study is to examine two medications, modafinil and citalopram, in the treatment of cocaine dependent individuals who are maintained on methadone.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_2
Started Jul 2006
Typical duration for phase_2
1 active site
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
First Submitted
Initial submission to the registry
September 16, 2005
CompletedFirst Posted
Study publicly available on registry
September 22, 2005
CompletedStudy Start
First participant enrolled
July 1, 2006
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 1, 2010
CompletedStudy Completion
Last participant's last visit for all outcomes
February 1, 2010
CompletedResults Posted
Study results publicly available
November 16, 2018
CompletedNovember 16, 2018
October 1, 2018
3.6 years
September 16, 2005
May 1, 2018
October 19, 2018
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Confirmed Abstinence From Cocaine
12 weeks of treatment
Secondary Outcomes (2)
Retention
12 weeks of treatment
Medication Compliance
12 weeks of treatment
Study Arms (5)
1
EXPERIMENTALModafinil 200mg / Methadone Maintenance (1.2mg/kg)
2
EXPERIMENTALModafinil 400mg/ Methadone Maintenance (1.2mg/kg)
3
EXPERIMENTALCitalopram 20/ Methadone Maintenance 1.2mg/kg
4
EXPERIMENTALCitalopram 40/ Methadone Maintenance 1.2 mg/kg
5
PLACEBO COMPARATORPlacebo given to methadone-maintained subjects (1.2mg/kg) for the duration of the 12-week study
Interventions
10 day medication run-up to Modafinil 200mg while subject is methadone maintained at 1/2 mg/kg. On full dose for 12 weeks and then titrated down for 10 days.
10 day medication run-up to 400mg of Modafinil while subject is methadone maintained at 1.2 mg/kg. On full dose for 12 weeks and then titrated down for 10 days.
10 day run-up to Citalopram 20mg while subject is methadone maintained at 1.2mg/kg. On full dose for 12 weeks and then titrated down for 10 days.
10 day medication run-up to Citalopram 40 mg while subjects are methadone maintained (1.2 mg/kg). On full dose for 12 weeks and then titrated down for 10 days.
Eligibility Criteria
You may qualify if:
- Meets cocaine abuse and dependence criteria (as determined by the SCID)
- Meets opiate dependence criteria (as determined by the SCID)
- In good general physical and psychiatric health (except for possible acute drug use related problems)
You may not qualify if:
- Meets diagnostic criteria for other psychiatric disorders, including other forms of drug dependence (other than nicotine)
- Current cardiovascular disease (as determined by an electrocardiogram)
- Circumstances will not allow for completion of study (on probation or parole)
- Ethical constraints of supervision do not allow confidentiality (on probation or parole)
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- The University of Texas Health Science Center, Houstonlead
- National Institute on Drug Abuse (NIDA)collaborator
- University of Texascollaborator
Study Sites (1)
University of Texas Health Science Center
Houston, Texas, 77030, United States
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Limitations and Caveats
Difficulty recruiting and lower than desired sample size.
Results Point of Contact
- Title
- Joy M Schmitz, PhD
- Organization
- The University of Texas Health Science Center at Houston
Study Officials
- PRINCIPAL INVESTIGATOR
Joy M Schmitz, PhD
University of Texas
- STUDY CHAIR
F. Gerard Moeller, M.D.
University of Texas Medical School at Houston
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- No
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Professor - Psy, Behavioral Science
Study Record Dates
First Submitted
September 16, 2005
First Posted
September 22, 2005
Study Start
July 1, 2006
Primary Completion
February 1, 2010
Study Completion
February 1, 2010
Last Updated
November 16, 2018
Results First Posted
November 16, 2018
Record last verified: 2018-10