- Conditions
- Hypertension, Heart Failure
- Interventions
- Prazosin HCl 2mg, Prazosin HCl 1 mg, Prazosin HCl 5 mg
- Drug
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 18 Years to 55 Years
- Enrollment
- 72 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- San Antonio, Texas
Search Results
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 1–16
of 16
matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Hypertension
- Interventions
- Hydrochlorothiazide, Lisinopril, Lisinopril and Hydrochlorothiazide, Nifedipine XL, Metoprolol tartrate, Atenolol, Valsartan, Doxazosin, Clonidine, Hydralazine, Metoprolol succinate, Amlodipine
- Drug
- Lead sponsor
- Creighton University
- Other
- Eligibility
- 25 Years to 80 Years
- Enrollment
- 99 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2009
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- Conditions
- Dementia
- Interventions
- prazosin hydrochloride, placebo
- Drug
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 21 Years and older
- Enrollment
- 9 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2023
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- PTSD
- Interventions
- doxazosin, Perindopril, Placebo
- Drug
- Lead sponsor
- Baylor College of Medicine
- Other
- Eligibility
- 18 Years to 55 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2014
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Post-Traumatic Headache
- Interventions
- Prazosin, Placebo
- Drug
- Lead sponsor
- Seattle Institute for Biomedical and Clinical Research
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 89 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2023
- U.S. locations
- 2
- States / cities
- Seattle, Washington • Tacoma, Washington
- Conditions
- Cocaine Dependence
- Interventions
- Doxazosin, Modafinil, cocaine, Placebo
- Drug
- Lead sponsor
- Baylor College of Medicine
- Other
- Eligibility
- 18 Years to 55 Years
- Enrollment
- 45 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2018
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Alcoholism
- Interventions
- prazosin
- Drug
- Lead sponsor
- University of Washington
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 23 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2007
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Alcohol Abuse, Posttraumatic Stress Disorder
- Interventions
- Prazosin, Placebo medication
- Drug
- Lead sponsor
- Seattle Institute for Biomedical and Clinical Research
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2012
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Hypertension
- Interventions
- Clonidine, Nitroglycerin transdermal, Dipyridamole/ Aspirin (Aggrenox), Desmopressin (DDAVP), Sildenafil, Nifedipine, Hydralazine, Hydrochlorothiazide, Placebo, Bosentan, Diltiazem, Eplerenone, guanfacine, L-arginine, captopril, carbidopa, losartan, metoprolol tartrate, nebivolol hydrochloride, prazosin hydrochloride, tamsulosin hydrochloride, Head-up tilt., aliskiren, Local heat stress
- Drug · Dietary Supplement · Other
- Lead sponsor
- Vanderbilt University
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 152 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2001 – 2017
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- Conditions
- Stress Disorders, Post-Traumatic, Sleep Disorders
- Interventions
- prazosin, paroxetine, Placebo
- Drug
- Lead sponsor
- Seattle Institute for Biomedical and Clinical Research
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 59 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2008
- U.S. locations
- 2
- States / cities
- Washington D.C., District of Columbia • Fort Lewis, Washington
- Conditions
- Alcoholism
- Interventions
- Prazosin medication, Placebo medication
- Drug
- Lead sponsor
- Seattle Institute for Biomedical and Clinical Research
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 92 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2014
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Stress Disorders, Post-Traumatic, Bulimia Nervosa
- Interventions
- Prazosin, Placebo
- Drug
- Lead sponsor
- Milton S. Hershey Medical Center
- Other
- Eligibility
- 18 Years to 45 Years · Female only
- Enrollment
- 9 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2018
- U.S. locations
- 1
- States / cities
- Hershey, Pennsylvania
- Conditions
- Anxiety Disorders, Mood Disorders, Insomnia, Nightmares
- Interventions
- Behavioral Sleep Intervention, Prazosin, Placebo
- Behavioral · Drug
- Lead sponsor
- University of Pittsburgh
- Other
- Eligibility
- 18 Years to 55 Years
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2011
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- Alcohol Dependence
- Interventions
- Prazosin Tablet, Placebo Tablet
- Drug
- Lead sponsor
- Yale University
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 100 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2019
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- Alcohol Use Disorder, Posttraumatic Stress Disorder (PTSD)
- Interventions
- Prazosin, Naltrexone, Placebo (Prazosin), Placebo (Naltrexone)
- Drug
- Lead sponsor
- Seattle Institute for Biomedical and Clinical Research
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 31 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2018
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Smoking
- Interventions
- Doxazosin 4mg/day, Placebo, Doxazosin 8mg/day
- Drug
- Lead sponsor
- Yale University
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 35 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2016
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut