Study of the Medication Prazosin for Alcohol Dependence
Clinical Trial of the Adrenergic Alpha-1 Antagonist Prazosin for Alcohol Dependence
2 other identifiers
interventional
92
1 country
1
Brief Summary
The purpose of this study is to determine whether the drug prazosin is effective for the treatment of alcohol dependency.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_2
Started Jan 2008
Longer than P75 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
Study Start
First participant enrolled
January 1, 2008
CompletedFirst Submitted
Initial submission to the registry
September 26, 2008
CompletedFirst Posted
Study publicly available on registry
September 30, 2008
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 1, 2014
CompletedStudy Completion
Last participant's last visit for all outcomes
June 1, 2014
CompletedResults Posted
Study results publicly available
June 4, 2020
CompletedJune 4, 2020
June 1, 2020
6.4 years
September 26, 2008
October 18, 2018
June 1, 2020
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Alcohol Consumption
At the baseline and final medication visits, the Form 90 (19) was used to assess alcohol and drug use for the preceding 90-day period
12 weeks
Study Arms (2)
1 - Prazosin Medication
EXPERIMENTALFollowing randomization, participants in this arm will receive a 2-week titration of Prazosin followed by 10 weeks of stable dosing of Prazosin. They will also attend study visits at least weekly for 12 weeks and will complete a final follow-up one month after discontinuation of the medication phase of the study at 16 weeks post-randomization.
2 - Placebo Medication
PLACEBO COMPARATORFollowing randomization, participants in this arm will receive a 2-week titration of placebo followed by 10 weeks of stable dosing of placebo. They will also attend study visits at least weekly for 12 weeks and will complete a final follow-up one month after discontinuation of the medication phase of the study at 16 weeks post-randomization.
Interventions
Form: Prazosin will be taken orally, in the form of pills. Dosing: 9 AM, 3 PM, 9 PM Days 1-2: 0 mg, 0 mg, 1 mg Days 3-4: 1 mg, 1 mg, 1 mg Days 5-7: 2 mg, 2 mg, 2 mg Day 8-10: 2 mg, 2 mg, 6 mg Day 11-14: 4 mg, 4 mg, 6 mg Day 15-84: 4 mg, 4 mg, 8 mg
Form: Placebo will be taken orally, in the form of pills. Dosing: 9 AM, 3 PM, 9 PM Days 1-2: 0 mg, 0 mg, 1 mg Days 3-4: 1 mg, 1 mg, 1 mg Days 5-7: 2 mg, 2 mg, 2 mg Day 8-10: 2 mg, 2 mg, 6 mg Day 11-14: 4 mg, 4 mg, 6 mg Day 15-84: 4 mg, 4 mg, 8 mg
Eligibility Criteria
You may qualify if:
- Current primary DSM-IV diagnosis of alcohol dependence(AD)
- Heavy drinking in the last 30 days
- At least 18 years of age
You may not qualify if:
- Capacity to provide informed consent
- English fluency and literacy
- Psychiatric/behavioral: current post-traumatic stress disorder(PTSD); psychiatric disorder requiring any medication other than anti-depressants; currently taking disulfiram, acamprosate, or naltrexone or planning to take any of these medications during the 12-week medication phase of the study; current dependence on any other psychoactive substance other than nicotine or cannabis; a current diagnosis of opioid abuse, use of any opioid- containing medications or benzodiazepines during the previous month, or UDA positive for opioids, benzodiazepines, or sedative hypnotics.
- Medical: significant acute or chronic medical illness; women who are pregnant, nursing infant(s), or of childbearing potential and not using a contraceptive method judged by the study physician or PA to be effective; signs or symptoms of alcohol withdrawal at the time of initial consent
- Legal involvement that could interfere with study treatment. Individuals court ordered for treatment will not be eligible to participate in this study.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
VA Puget Sound Health Care System
Seattle, Washington, 98108, United States
Related Publications (6)
Saxon AJ, Malte CA, Sloan KL, Baer JS, Calsyn DA, Nichol P, Chapko MK, Kivlahan DR. Randomized trial of onsite versus referral primary medical care for veterans in addictions treatment. Med Care. 2006 Apr;44(4):334-42. doi: 10.1097/01.mlr.0000204052.95507.5c.
PMID: 16565634BACKGROUNDMcFall M, Saxon AJ, Thaneemit-Chen S, Smith MW, Joseph AM, Carmody TP, Beckham JC, Malte CA, Vertrees JE, Boardman KD, Lavori PW. Integrating smoking cessation into mental health care for post-traumatic stress disorder. Clin Trials. 2007;4(2):178-89. doi: 10.1177/1740774507076923.
PMID: 17456521BACKGROUNDAnton RF, O'Malley SS, Ciraulo DA, Cisler RA, Couper D, Donovan DM, Gastfriend DR, Hosking JD, Johnson BA, LoCastro JS, Longabaugh R, Mason BJ, Mattson ME, Miller WR, Pettinati HM, Randall CL, Swift R, Weiss RD, Williams LD, Zweben A; COMBINE Study Research Group. Combined pharmacotherapies and behavioral interventions for alcohol dependence: the COMBINE study: a randomized controlled trial. JAMA. 2006 May 3;295(17):2003-17. doi: 10.1001/jama.295.17.2003.
PMID: 16670409BACKGROUNDTodd M, Armeli S, Tennen H, Carney MA, Ball SA, Kranzler HR, Affleck G. Drinking to cope: a comparison of questionnaire and electronic diary reports. J Stud Alcohol. 2005 Jan;66(1):121-9. doi: 10.15288/jsa.2005.66.121.
PMID: 15830912BACKGROUNDMcGinnis JM, Foege WH. Actual causes of death in the United States. JAMA. 1993 Nov 10;270(18):2207-12.
PMID: 8411605BACKGROUNDSimpson TL, Saxon AJ, Stappenbeck C, Malte CA, Lyons R, Tell D, Millard SP, Raskind M. Double-Blind Randomized Clinical Trial of Prazosin for Alcohol Use Disorder. Am J Psychiatry. 2018 Dec 1;175(12):1216-1224. doi: 10.1176/appi.ajp.2018.17080913. Epub 2018 Aug 29.
PMID: 30153753DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Limitations and Caveats
Lack of knowledge of optimal dosing for prazosin and medication adherence (medication adherence was suboptimal).
Results Point of Contact
- Title
- Dr. Tracy Simpson
- Organization
- VA Puget Sound
Study Officials
- PRINCIPAL INVESTIGATOR
Tracy L Simpson, Ph.D.
VA Puget Sound Health Care System
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- No
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
September 26, 2008
First Posted
September 30, 2008
Study Start
January 1, 2008
Primary Completion
June 1, 2014
Study Completion
June 1, 2014
Last Updated
June 4, 2020
Results First Posted
June 4, 2020
Record last verified: 2020-06