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Showing 1–24 of 27 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Placebo dutasteride Clear all
Completed Phase 2Phase 3 Interventional Results available

Dutasteride Treatment for Reducing Heavy Drinking in AUD: Predictors of Efficacy

NCT04098302
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Dutasteride Capsules, Placebo Capsules
Drug
Lead sponsor
UConn Health
Other
Eligibility
35 Years to 70 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated May 8, 2025 · Synced Sep 1, 2026, 5:37 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 1, 2026, 5:37 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 1, 2026, 5:37 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Oral Androgens in Man-4: (Short Title: Oral T-4)

NCT00399165
View directory record Official record
Conditions
Contraception
Interventions
Testosterone Enanthate, Dutasteride, placebo sesame oil
Drug · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 55 Years · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 21, 2008 · Synced Sep 1, 2026, 5:37 PM EDT
Completed Phase 4 Interventional Results available

Assessment Of Dutasteride (AVODART) In Extending The Time To Progression Of Low-Risk, Localized Prostate Cancer In Men

NCT00363311
View directory record Official record
Conditions
Neoplasms, Prostate
Interventions
Dutasteride, Matching placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
50 Years to 80 Years · Male only
Enrollment
302 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
58
States / cities
Little Rock, Arkansas • Beverly Hills, California • Laguna Hills, California + 54 more
Source: ClinicalTrials.gov public record
Updated Jan 17, 2017 · Synced Sep 1, 2026, 5:37 PM EDT
Completed Phase 3 Interventional Results available

"REDUCE" - A Clinical Research Study To Reduce The Incidence Of Prostate Cancer In Men Who Are At Increased Risk

NCT00056407
View directory record Official record
Conditions
Neoplasms, Prostate
Interventions
Dutasteride, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
50 Years to 75 Years · Male only
Enrollment
8,231 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
297
States / cities
Birmingham, Alabama • Homewood, Alabama • Huntsville, Alabama + 236 more
Source: ClinicalTrials.gov public record
Updated Sep 22, 2016 · Synced Sep 1, 2026, 5:37 PM EDT
Completed Phase 3 Interventional

Study of Tamsulosin and/or Dutasteride to Relieve Urinary Symptoms After Brachytherapy for Localized Prostate Cancer

NCT00244309
View directory record Official record
Conditions
Prostate Cancer
Interventions
tamsulosin and/or dutasteride
Drug
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
348 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated May 3, 2011 · Synced Sep 1, 2026, 5:37 PM EDT
Completed Phase 2 Interventional Results available

Effect of Dutasteride on Androgen-Response Gene Expression in Patients With Advanced Prostate Cancer

NCT00668642
View directory record Official record
Conditions
Prostate Cancer
Interventions
Dutasteride, Placebo
Drug
Lead sponsor
Endeavor Health
Other
Eligibility
18 Years and older · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
3
States / cities
Chicago, Illinois • Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 21, 2023 · Synced Sep 1, 2026, 5:37 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 1, 2026, 5:37 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 1, 2026, 5:37 PM EDT
Completed Phase 1 Interventional

Dutasteride to Treat Women With Menstrually Related Mood Disorders

NCT00082043
View directory record Official record
Conditions
Premenstrual Syndrome, PMS, Healthy, Depression
Interventions
Dutasteride, Placebo oral capsule
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
30 Years to 50 Years · Female only
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2014
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Sep 1, 2026, 5:37 PM EDT
Completed Phase 4 Interventional Results available

Prostate Cancer Study In Men Who Have Failed First-Line Androgen Deprivation Therapy

NCT00470834
View directory record Official record
Conditions
Neoplasms, Prostate
Interventions
dutasteride, placebo, bicalutamide
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
40 Years to 90 Years · Male only
Enrollment
127 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
47
States / cities
Homewood, Alabama • Huntsville, Alabama • Little Rock, Arkansas + 43 more
Source: ClinicalTrials.gov public record
Updated Feb 26, 2017 · Synced Sep 1, 2026, 5:37 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 1, 2026, 5:37 PM EDT
Completed No phase listed Observational

Validation of Digital Morphometry for Cancer Risk in Benign Prostate Biopsies

NCT01594502
View directory record Official record
Conditions
Prostate Cancer
Interventions
Dutasteride, Placebo
Drug
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
50 Years to 75 Years · Male only
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 11, 2020 · Synced Sep 1, 2026, 5:37 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 1, 2026, 5:37 PM EDT
Terminated Phase 2 Interventional Results available

Role of Dutasteride in Patients Undergoing 3D Mapping Biopsy in Early Stage Prostate Cancer

NCT00985738
View directory record Official record
Conditions
Prostate Cancer
Interventions
Dutasteride, Placebo
Drug · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
40 Years to 85 Years · Male only
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 16, 2016 · Synced Sep 1, 2026, 5:37 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 1, 2026, 5:37 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 1, 2026, 5:37 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

ITT4 Intratesticular Hormonal Milieu in Man (ITT4)

NCT01215292
View directory record Official record
Conditions
Healthy Males
Interventions
Acyline, Testosterone gel, ketoconazole 400, Ketoconazole 800, Dutasteride, Anastrozole, Placebo ketoconazole
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 30, 2014 · Synced Sep 1, 2026, 5:37 PM EDT
Completed Phase 4 Interventional

Study Assessing The Efficacy And Safety Of Avodart (Dutasteride) At Improving Urinary Symptoms In Men With Prostate Cancer Who Are Undergoing Seed Implantation

NCT00805701
View directory record Official record
Conditions
Prostate Cancer
Interventions
avodart, Placebo
Drug
Lead sponsor
Bay State Clinical Trials, Inc.
Other
Eligibility
35 Years to 90 Years · Male only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Watertown, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 13, 2014 · Synced Sep 1, 2026, 5:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pharmacogenetics of Alcohol: Treatment Implications

NCT00734656
View directory record Official record
Conditions
Alcohol Related Disorders, Alcoholism, Alcohol Abuse
Interventions
dutasteride + ethanol, placebo medication + ethanol, dutasteride + placebo alcohol, placebo medication + placebo alcohol
Drug
Lead sponsor
UConn Health
Other
Eligibility
21 Years to 45 Years · Male only
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 27, 2012 · Synced Sep 1, 2026, 5:37 PM EDT
Completed Phase 4 Interventional Results available

Dutasteride Treatment for the Reduction of Heavy Drinking in Men

NCT01758523
View directory record Official record
Conditions
Alcoholism, Alcohol Abuse, Alcohol Dependence
Interventions
Dutasteride, sugar pill
Drug
Lead sponsor
UConn Health
Other
Eligibility
18 Years to 70 Years · Male only
Enrollment
189 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 25, 2019 · Synced Sep 1, 2026, 5:37 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 1, 2026, 5:37 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 1, 2026, 5:37 PM EDT