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CLINICAL TRIALS PROFILE FOR PRAZOSIN HYDROCHLORIDE

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505(b)(2) Clinical Trials for Prazosin Hydrochloride

This table shows clinical trials for potential 505(b)(2) applications. See the next table for all clinical trials

Trial Type	Trial ID	Title	Status	Sponsor	Phase	Start Date	Summary
OTC	NCT00487032	Differential Adrenoreceptor Mediated Tachyphylaxis and Upregulation	Completed	Brian J Lipworth	Phase 4	2008-05-01	The investigators wish to evaluate the onset of tolerance to nasal decongestants like oxymetazoline (available over the counter) and the mechanism of tolerance particularly with differential effects on alpha 1 and alpha 2 adrenoreceptors on the nose. The investigators will 'tease' out by using an alpha 1 blocker called Prazosin. The investigators hypothesize that alpha 1 receptors mediate arterial constriction and this will be captured by measuring nasal blood flow. The investigators also hypothesize that alpha 2 receptors mediate venous sinusoid constriction and this the investigators will capture by airflow parameters like Peak Nasal Inspiratory Flow, Rhinomanometry, Oscillometric indices etc.

All Clinical Trials for Prazosin Hydrochloride

Trial ID	Title	Status	Sponsor	Phase	Start Date	Summary
NCT00007592	Hypertension Screening and Treatment Program	Completed	VA Office of Research and Development	N/A	1989-06-01	Hypertension is one of the most common medical problems in the United States and in the VA health care system. It has been well-documented that hypertension can be effectively treated. However, there remain important unresolved clinical questions in the area of antihypertensive treatment. For example, how much is mortality affected by visit compliance, blood pressure control and type of antihypertensive agent? Or, are some regimens associated with more morbidity than others? Or, are there inexpensive regimens that are as effective as more expensive regimens? The amount of data that is available from this demonstration project (currently 6,100 patients) will help address these questions. The answers to these questions should result in better care for veterans with hypertension.
NCT00108420	Prazosin Treatment for Combat Trauma PTSD (Post-Traumatic Stress Disorder) Nightmares and Sleep Disturbance	Completed	VA Office of Research and Development	Phase 4	2003-10-01	The purpose of this study is to determine whether prazosin will reduce the incidence of nightmares, sleep disturbance, and overall symptoms in combat trauma-exposed individuals with PTSD.
NCT00148837	Efficacy of Prazosin Versus Placebo Associated With Peg-Interferon Alpha 2b and Ribavirin in Chronic Hepatitis C With Genotype 1 or 4 and Severe Fibrosis	Unknown status	French National Agency for Research on AIDS and Viral Hepatitis	Phase 2	2004-09-01	Viral hepatitis C prognosis is related to the presence of a fibrosis and to the risk of developing cirrhosis or hepatic cancer. The study will evaluate the efficacy of prazosin to make hepatic fibrosis regress, in patients with chronic hepatitis C and severe fibrosis.
NCT00161473	Alzheimer's in Long-Term Care--Treatment for Agitation	Completed	National Institute on Aging (NIA)	N/A	2001-01-01	The purpose of this study is to see if a medication called prazosin is useful in the treatment of agitation and aggression in persons with Alzheimer's disease (AD) and other types of dementia in late life.
NCT00161473	Alzheimer's in Long-Term Care--Treatment for Agitation	Completed	University of Washington	N/A	2001-01-01	The purpose of this study is to see if a medication called prazosin is useful in the treatment of agitation and aggression in persons with Alzheimer's disease (AD) and other types of dementia in late life.
NCT00167687	Prazosin Alcohol Dependence IVR Study	Completed	VA Office of Research and Development	Phase 4	2005-09-01	This double-blind placebo controlled pilot trial will test the hypothesis that prazosin, an alpha-1 adrenergic receptor antagonist, reduced alcohol consumption and alcohol craving in alcohol dependent individuals without Post Traumatic Stress Disorder (PTSD). The intervention period is six weeks.
NCT00167687	Prazosin Alcohol Dependence IVR Study	Completed	University of Washington	Phase 4	2005-09-01	This double-blind placebo controlled pilot trial will test the hypothesis that prazosin, an alpha-1 adrenergic receptor antagonist, reduced alcohol consumption and alcohol craving in alcohol dependent individuals without Post Traumatic Stress Disorder (PTSD). The intervention period is six weeks.

Clinical Trial Conditions for Prazosin Hydrochloride

Condition Name

Condition Name for Prazosin Hydrochloride
Intervention	Trials
Stress Disorders, Post-Traumatic	7
Posttraumatic Stress Disorder	5
Sleep Disorders	4
Hypertension	4

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Condition MeSH

Condition MeSH for Prazosin Hydrochloride
Intervention	Trials
Stress Disorders, Post-Traumatic	18
Disease	15
Stress Disorders, Traumatic	13
Alcoholism	9

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Clinical Trial Locations for Prazosin Hydrochloride

Trials by Country

Trials by Country for Prazosin Hydrochloride
Location	Trials
United States	83
Canada	5
France	2
United Kingdom	2
Spain	1

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Trials by US State

Trials by US State for Prazosin Hydrochloride
Location	Trials
Washington	21
California	6
Georgia	4
Pennsylvania	4
Connecticut	4

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Clinical Trial Progress for Prazosin Hydrochloride

Clinical Trial Phase

Clinical Trial Phase for Prazosin Hydrochloride
Clinical Trial Phase	Trials
Phase 4	8
Phase 3	5
Phase 2	14

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Clinical Trial Status

Clinical Trial Status for Prazosin Hydrochloride
Clinical Trial Phase	Trials
Recruiting	19
Completed	17
Unknown status	8

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Clinical Trial Sponsors for Prazosin Hydrochloride

Sponsor Name

Sponsor Name for Prazosin Hydrochloride
Sponsor	Trials
VA Office of Research and Development	11
VA Puget Sound Health Care System	9
Seattle Institute for Biomedical and Clinical Research	9

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Sponsor Type

Sponsor Type for Prazosin Hydrochloride
Sponsor	Trials
Other	53
U.S. Fed	27
NIH	15

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