MedPath

Terazosin

Generic Name
Terazosin
Drug Type
Small Molecule
Chemical Formula
C19H25N5O4
CAS Number
63590-64-7
Unique Ingredient Identifier
8L5014XET7
Background

Terazosin is a quinazoline derivative alpha-1-selective adrenergic blocking agent indicated for benign prostatic hyperplasia and hypertension. Terazosin blocks adrenaline's action on alpha-1 adrenergic receptors, causing relaxation of smooth muscle in blood vessels and the prostate.

Indication

Terazosin is indicated for use in treating symptomatic benign prostatic hyperplasia and hypertension.

Associated Conditions
Benign Prostatic Hyperplasia (BPH), Hypertension, Ureteral Calculus

Comparison of Alpha Blockers (Terazosin and Tamsulosin) in Reducing Ureteral Stent Related Symptoms

Phase 3
Not yet recruiting
Conditions
Stent Related Symptoms
Interventions
First Posted Date
2025-05-13
Last Posted Date
2025-05-18
Lead Sponsor
Penang Hospital, Malaysia
Target Recruit Count
150
Registration Number
NCT06966804
Locations
🇲🇾

Hospital Pulau Pinang, George Town, Pulau Pinang, Malaysia

Motor Function Efficacy of Pharmacological Treatments Targeting Energy Metabolism, in Parkinson's Patients

Phase 4
Not yet recruiting
Conditions
Parkinson Disease
Metabolic Disease
Gait Analysis
Therapy, Directly Observed
Interventions
First Posted Date
2023-05-11
Last Posted Date
2023-09-22
Lead Sponsor
I.R.C.C.S. Fondazione Santa Lucia
Target Recruit Count
50
Registration Number
NCT05855577

Terazosin and Parkinson's Disease Extension Study

Phase 2
Recruiting
Conditions
Pre-motor Parkinson's Disease
Symptomatic Parkinson Disease
REM Sleep Behavior Disorder
Interventions
First Posted Date
2021-11-05
Last Posted Date
2024-11-26
Lead Sponsor
Cedars-Sinai Medical Center
Target Recruit Count
15
Registration Number
NCT05109364
Locations
🇺🇸

Cedars Sinai Medical Center, Los Angeles, California, United States

Terazosin for Dementia with Lewy Bodies

Phase 1
Not yet recruiting
Conditions
Dementia with Lewy Bodies
Interventions
First Posted Date
2021-02-18
Last Posted Date
2025-02-10
Lead Sponsor
Qiang Zhang
Target Recruit Count
40
Registration Number
NCT04760860
Locations
🇺🇸

University of Iowa, Iowa City, Iowa, United States

Target Engagement of Terazosin in Healthy Adults

Phase 1
Active, not recruiting
Conditions
Healthy
Interventions
First Posted Date
2020-09-16
Last Posted Date
2025-01-14
Lead Sponsor
University of Iowa
Target Recruit Count
18
Registration Number
NCT04551040
Locations
🇺🇸

University of Iowa Hospitals and Clinics, Iowa City, Iowa, United States

Terazosin Effect on Cardiac Changes in Early Parkinson's Disease

Phase 2
Recruiting
Conditions
REM Sleep Behavior Disorder
Pre-motor Parkinson's Disease
Symptomatic Parkinson Disease
Interventions
First Posted Date
2020-05-13
Last Posted Date
2024-11-26
Lead Sponsor
Cedars-Sinai Medical Center
Target Recruit Count
15
Registration Number
NCT04386317
Locations
🇺🇸

Michele L Lima Gregorio, Los Angeles, California, United States

A Pilot Study of Terazosin for Parkinson's Disease

Phase 1
Completed
Conditions
Parkinson Disease
Interventions
Drug: Placebo oral capsule
First Posted Date
2019-04-05
Last Posted Date
2022-05-16
Lead Sponsor
Jordan Schultz
Target Recruit Count
13
Registration Number
NCT03905811
Locations
🇺🇸

University of Iowa Hospitals and Clinics, Iowa City, Iowa, United States

Safety and Efficacy of Low Dosage of Terazosin in Subjects Undergoing Carotid Artery Stenting

Phase 2
Conditions
Carotid Artery Stenosis
Interventions
Procedure: Carotid artery stenting
First Posted Date
2017-06-22
Last Posted Date
2018-12-11
Lead Sponsor
Capital Medical University
Target Recruit Count
160
Registration Number
NCT03195673
Locations
🇨🇳

The Luhe Teaching Hospital of the Capital Medical University, Beijing, Beijing, China

🇨🇳

Beijing Anzhen Hospital, Beijing, Beijing, China

The Effect of Terazosin and Tolterodine on Ureteral Stent Related Symptoms

Phase 2
Completed
Conditions
Disorder of Urinary Stent
Interventions
First Posted Date
2012-02-09
Last Posted Date
2015-03-02
Lead Sponsor
Urmia University of Medical Sciences
Target Recruit Count
104
Registration Number
NCT01530243
Locations
🇮🇷

Imam Khomeini Hospital, Urmia, Azerbaijan-gharbi, Iran, Islamic Republic of

Diesel Exhaust and Vascular Function

Not Applicable
Conditions
Cardiovascular Effects
Interventions
Other: Filtered Air
Other: Diesel Exhaust
Drug: placebo
First Posted Date
2012-01-12
Last Posted Date
2015-08-03
Lead Sponsor
University of Washington
Target Recruit Count
24
Registration Number
NCT01508637
Locations
🇺🇸

University of Washington Medical Center, Seattle, Washington, United States

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