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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 2 Interventional Results available

Dutasteride to Treat Spinal and Bulbar Muscular Atrophy (SBMA)

NCT00303446
View directory record Official record
Conditions
Kennedy's Disease, Spinal and Bulbar Muscular Atrophy
Interventions
Dutasteride, Placebo
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years and older · Male only
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 26, 2011 · Synced Sep 21, 2026, 6:14 PM EDT
Completed Phase 2 Interventional

28-Day Study of Testosterone Co-administered With Dutasteride in Hypogonadal Men

NCT00398580
View directory record Official record
Conditions
Hypogonadism, Hypogonadism, Male
Interventions
Nanomilled testosterone, Nanomilled dutasteride, commercially available dutasteride
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 70 Years · Male only
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
7
States / cities
Torrance, California • Louisville, Kentucky • Baltimore, Maryland + 3 more
Source: ClinicalTrials.gov public record
Updated May 29, 2017 · Synced Sep 21, 2026, 6:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pharmacokinetic Study of Single Dose Dutasteride in Healthy Subjects

NCT00802321
View directory record Official record
Conditions
Alcohol Related Disorders, Alcoholism, Alcohol Abuse
Interventions
Dutasteride
Drug
Lead sponsor
UConn Health
Other
Eligibility
21 Years to 55 Years · Male only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 22, 2010 · Synced Sep 21, 2026, 6:14 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

The Role of 5-alpha Reductase in Mediating Testosterone Actions

NCT00493987
View directory record Official record
Conditions
Healthy
Interventions
Testosterone Enanthate, Dutasteride
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years to 50 Years · Male only
Enrollment
184 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 12, 2010 · Synced Sep 21, 2026, 6:14 PM EDT
Withdrawn Phase 2 Interventional Accepts healthy volunteers

ITT-5 Mechanisms of Spermatogenesis in Man

NCT02147964
View directory record Official record
Conditions
Gonadotropin Deficiency
Interventions
Testosterone 1% Gel, Acyline, Dutasteride, Ketoconazole, HCG, placebo dutasteride, placebo ketoconazole
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 55 Years · Male only
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 17, 2019 · Synced Sep 21, 2026, 6:14 PM EDT
Completed Phase 4 Interventional Results available

Dutasteride for the Reduction of Alcohol Use in Male Drinkers

NCT01262287
View directory record Official record
Conditions
Alcoholism, Alcohol Abuse, Alcohol Dependence
Interventions
Dutasteride, Placebo
Drug
Lead sponsor
UConn Health
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 19, 2017 · Synced Sep 21, 2026, 6:14 PM EDT
Completed No phase listed Observational

Long-term Effects of Dutasteride on Architectural and Nuclear Morphometric Features of Benign Prostate Tissue

NCT01473030
View directory record Official record
Conditions
Benign Prostate Tissue
Interventions
Not listed
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
50 Years to 75 Years · Male only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 4, 2020 · Synced Sep 21, 2026, 6:14 PM EDT
Withdrawn Phase 2 Interventional

A Phase II Neoadjuvant Study of Enzalutamide, Abiraterone Acetate, Dutasteride and Degarelix in Men With Localized Prostate Cancer Pre-prostatectomy

NCT02159690
View directory record Official record
Conditions
Prostate Cancer, Localized Prostate Cancer
Interventions
Enzalutamide, Abiraterone acetate, Prednisone, Dutasteride, Degarelix
Drug
Lead sponsor
Kenneth Pienta, MD
Other
Eligibility
18 Years and older · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 25, 2015 · Synced Sep 21, 2026, 6:14 PM EDT
Completed Phase 4 Interventional Results available

Dutasteride and Flex Dose of Tamsulosin on as Needed Basis, to Treat Benign Prostatic Hyperplasia

NCT00701779
View directory record Official record
Conditions
Benign Prostatic Hyperplasia
Interventions
Tamsulosin
Drug
Lead sponsor
Siami, Paul F., M.D.
Other
Eligibility
50 Years and older · Male only
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Evansville, Indiana
Source: ClinicalTrials.gov public record
Updated Nov 1, 2018 · Synced Sep 21, 2026, 6:14 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study To Compare 3 Different Formulations Of Tamsulosin At Steady State.

NCT00609596
View directory record Official record
Conditions
Prostatic Hyperplasia
Interventions
GI198745
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 45 Years · Male only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Aug 3, 2017 · Synced Sep 21, 2026, 6:14 PM EDT
Completed Phase 4 Interventional Results available

Dutasteride With Tolterodine ER or Placebo to Treat Lower Urinary Tract Symptoms (LUTS)

NCT00939120
View directory record Official record
Conditions
Benign Prostatic Hyperplasia (BPH)
Interventions
Tolterodine ER 4mg, Placebo, Pre-randomization Dutasteride
Drug
Lead sponsor
Siami, Paul F., M.D.
Other
Eligibility
50 Years and older · Male only
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Newburgh, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 30, 2015 · Synced Sep 21, 2026, 6:14 PM EDT
Completed Phase 2 Interventional

Dutasteride in Treating Patients With Recurrent Prostate Cancer That Did Not Respond to Androgen-Deprivation Therapy

NCT00403000
View directory record Official record
Conditions
Prostate Cancer
Interventions
dutasteride
Drug
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older · Male only
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2013
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Apr 30, 2013 · Synced Sep 21, 2026, 6:14 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

PROS-1-Male Hormonal Contraceptive Regimens on Prostate Tissue

NCT00490555
View directory record Official record
Conditions
Healthy
Interventions
Testosterone gel, Dutasteride, Depo-Medroxyprogesterone (DMPA), Placebo Testosterone gel, Placebo dutasteride, Placebo DMPA
Drug · Other
Lead sponsor
University of Washington
Other
Eligibility
25 Years to 55 Years · Male only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Nov 14, 2013 · Synced Sep 21, 2026, 6:14 PM EDT
Completed Phase 4 Interventional

Effect Of Dutasteride On Intraprostatic Dihydrotestosterone (DHT) Levels

NCT00062790
View directory record Official record
Conditions
Prostatic Hyperplasia
Interventions
Dutasteride
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
50 Years and older · Male only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
11
States / cities
Long Beach, California • New Britain, Connecticut • Trumbull, Connecticut + 8 more
Source: ClinicalTrials.gov public record
Updated Sep 14, 2016 · Synced Sep 21, 2026, 6:14 PM EDT
Completed Phase 3 Interventional

Dutasteride Followed By Ultrasound-Guided Biopsy in Finding Prostate Cancer

NCT00398281
View directory record Official record
Conditions
Prostate Cancer
Interventions
dutasteride, placebo
Drug · Other
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University
Other
Eligibility
18 Years to 80 Years · Male only
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 9, 2014 · Synced Sep 21, 2026, 6:14 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Bioavailability Study of Fixed Dose Combination (FDC) Dutasteride and Tamsulosin Hydrochloride (HCl) Relative to One Dutasteride and One Tamsulosin HCl Tablet in Healthy Male Subjects

NCT02509104
View directory record Official record
Conditions
Prostatic Hyperplasia
Interventions
FDC capsule of dutasteride and tamsulosin, Dutasteride soft gelatine capsule and tamsulosin HCl oral disintegrating tablet
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 18, 2018 · Synced Sep 21, 2026, 6:14 PM EDT
Not listed Not applicable Interventional

Dutasteride for Improving Peri-Operative and Long-Term Outcomes of Photoselective Vaporization of the Prostate (DOP)

NCT00274417
View directory record Official record
Conditions
Benign Prostatic Hyperplasia, Lower Urinary Tract Symptoms
Interventions
dutasteride
Drug
Lead sponsor
Urology of Virginia
Other
Eligibility
50 Years and older · Male only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
2
States / cities
Norfolk, Virginia • Virginia Beach, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 17, 2007 · Synced Sep 21, 2026, 6:14 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Compare the Bioavailability of Dutasteride Novel Formulation Form to the Soft Gel Capsule Form in Healthy Male Subjects

NCT01577693
View directory record Official record
Conditions
Prostatic Hyperplasia
Interventions
dutasteride
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
20 Years to 45 Years · Male only
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 18, 2018 · Synced Sep 21, 2026, 6:14 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Testosterone-Driven Growth-Hormone (GH) Secretion in Aging Men

NCT00309855
View directory record Official record
Conditions
Aging
Interventions
Placebo, Testosterone, Anastrazole, Dutasteride
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
50 Years to 80 Years · Male only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 30, 2012 · Synced Sep 21, 2026, 6:14 PM EDT
Completed Phase 3 Interventional Results available

Benign Prostatic Hyperplasia Trial With Dutasteride And Tamsulosin Combination Treatment

NCT00090103
View directory record Official record
Conditions
Prostatic Hyperplasia
Interventions
dutasteride 0.5mg once daily for 4 years, tamsulosin 0.4mg once daily for 4 years
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
50 Years and older · Male only
Enrollment
4,844 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
113
States / cities
Birmingham, Alabama • Columbiana, Alabama • Hoover, Alabama + 98 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2017 · Synced Sep 21, 2026, 6:14 PM EDT
Completed Not applicable Interventional Results available

MRI and Magnetic Resonance Spectroscopy Imaging in Patients Receiving Dutasteride for Benign Prostatic Hypertrophy and Low-Risk Prostate Cancer

NCT00706966
View directory record Official record
Conditions
Nonmalignant Neoplasm, Prostate Cancer
Interventions
dutasteride
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
Male only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 16, 2014 · Synced Sep 21, 2026, 6:14 PM EDT
Completed Phase 4 Interventional

Efficacy Study for Use of Dutasteride (Avodart) With Testosterone Replacement

NCT00752869
View directory record Official record
Conditions
Hypogonadism
Interventions
dutasteride, placebo
Drug
Lead sponsor
The Miriam Hospital
Other
Eligibility
40 Years to 85 Years · Male only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
2
States / cities
Boston, Massachusetts • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Feb 25, 2013 · Synced Sep 21, 2026, 6:14 PM EDT
Completed No phase listed Observational

For Cause Prostate Biopsy in REDUCE Population Trial

NCT01529086
View directory record Official record
Conditions
Prostate Cancer
Interventions
Not listed
Lead sponsor
The Cleveland Clinic
Other
Eligibility
50 Years to 75 Years · Male only
Enrollment
6,608 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 22, 2016 · Synced Sep 21, 2026, 6:14 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

TRADE-Testosterone Replacement and Dutasteride Effectiveness

NCT00194675
View directory record Official record
Conditions
Hypogonadism, Benign Prostatic Hyperplasia
Interventions
Dutasteride, Testosterone gel, Placebo dutasteride
Drug
Lead sponsor
University of Washington
Other
Eligibility
50 Years and older · Male only
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2010
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 4, 2017 · Synced Sep 21, 2026, 6:14 PM EDT