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Showing 1–24 of 32 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Male Contraception Clear all
Completed Not applicable Interventional Accepts healthy volunteers

An Evaluation of Virtual Student Health Center Among Incarcerated Juvenile Offenders

NCT04027010
View directory record Official record
Conditions
Lack of Knowledge About Condoms and Birth Control, Adolescent Sexual Intercourse, Sexual Intercourse Without a Condom or Birth Control, Unplanned Pregnancies
Interventions
"Healthy U" tablet application
Other
Lead sponsor
WestEd
Other
Eligibility
14 Years to 19 Years · Male only
Enrollment
295 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
2
States / cities
Los Alamitos, California • Woburn, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 9, 2022 · Synced Jul 22, 2026, 2:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

VAS-2 Vasectomy With the Vax-X

NCT00663533
View directory record Official record
Conditions
Healthy
Interventions
Vas-X
Device
Lead sponsor
University of Washington
Other
Eligibility
30 Years to 55 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 2, 2014 · Synced Jul 22, 2026, 2:02 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Manipulation of the Intratesticular Hormonal Milieu With Exogenous Testosterone (HOP 5) Testicular Aspiration Addendum

NCT00156650
View directory record Official record
Conditions
Contraception
Interventions
Acyline, Testosterone Gel, Depo-Medroxyprogesterone
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 55 Years · Male only
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2005
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 18, 2008 · Synced Jul 22, 2026, 2:02 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Withdrawn Phase 2 Interventional Accepts healthy volunteers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 Jul 22, 2026, 2:02 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

ACY-7 Oral Administration of Acyline

NCT00603187
View directory record Official record
Conditions
Healthy
Interventions
Acyline
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 8, 2011 · Synced Jul 22, 2026, 2:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Trial of an Adolescent Male Sexual Health Intervention

NCT04969289
View directory record Official record
Conditions
Contraception Behavior
Interventions
Dr. Eric Digital Health Intervention
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
14 Years to 21 Years · Male only
Enrollment
119 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 8, 2024 · Synced Jul 22, 2026, 2:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Hormonal Contraceptive Health Education for Adolescent Males

NCT03400410
View directory record Official record
Conditions
Contraception Behavior
Interventions
Education Arm
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
15 Years to 21 Years · Male only
Enrollment
107 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 26, 2024 · Synced Jul 22, 2026, 2:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

ORAL T-8 Oral Testosterone for Male Hormonal Contraception

NCT01167829
View directory record Official record
Conditions
Healthy
Interventions
Oral Testosterone, Acyline
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 55 Years · Male only
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 5, 2013 · Synced Jul 22, 2026, 2:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

ACY-6 Oral Administration of Acyline

NCT00471185
View directory record Official record
Conditions
Contraception
Interventions
Acyline
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 2, 2010 · Synced Jul 22, 2026, 2:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Study of Serum Testosterone and Nestorone in Females After Secondary Exposure to Nestorone ® (NES) + Testosterone (T) Combined Gel Applied to Shoulders and Upper Arms in Males

NCT02994602
View directory record Official record
Conditions
Healthy Men, Male Contraception, Healthy Women, Product Transference
Interventions
Nestorone + Testosterone Combination Gel
Drug
Lead sponsor
Kimberly Myer
Other
Eligibility
18 Years to 50 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
2
States / cities
Torrance, California • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 8, 2026 · Synced Jul 22, 2026, 2:02 PM EDT
Active, not recruiting Not applicable Interventional

Pregnancy and Contraception Education in Chronic Kidney Disease (PACE-CKD)

NCT06189807
View directory record Official record
Conditions
CKD, Chronic Kidney Diseases
Interventions
Decision aid, Standard handout
Behavioral · Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 11, 2025 · Synced Jul 22, 2026, 2:02 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Glycosphingolipid Inhibition and Spermatogenesis in Man: A Pilot Study (MIG 2)

NCT00194649
View directory record Official record
Conditions
Contraception
Interventions
Miglustat (Zavesca)
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 18, 2008 · Synced Jul 22, 2026, 2:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

NES Gel-1, To Evaluate Nestorone Gel in Combination With Testosterone Gel

NCT00229593
View directory record Official record
Conditions
Contraception
Interventions
Nestorone gel, Testosterone Gel
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
2
States / cities
Torrance, California • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 3, 2014 · Synced Jul 22, 2026, 2:02 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Oral Androgens in Man-3 (ORAL T-3) Pharmacokinetics of Oral Testosterone

NCT00161421
View directory record Official record
Conditions
Contraception, Hypogonadism
Interventions
Oral Testosterone, Leuprolide (Lupron), Dutasteride
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 18, 2008 · Synced Jul 22, 2026, 2:02 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Effects of NLS-133, a Potential Non-Hormonal "On-Demand" Male Contraceptive

NCT07393334
View directory record Official record
Conditions
Male Contraception, Semen Volume, Sperm Motility
Interventions
NLS-133, Placebo, Active Comparator #1
Drug
Lead sponsor
Next Life Sciences
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Jul 22, 2026, 2:02 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Chronic Pain Risk Associated With Menstrual Period Pain

NCT02214550
View directory record Official record
Conditions
Cystitis, Interstitial, Dysmenorrhea, Migraine Disorders, Pelvic Pain, Endometriosis, Visceral Pain, Chronic Pain
Interventions
cyclic microgestin 1/20, continuous microgestin 1/20
Drug
Lead sponsor
Endeavor Health
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
353 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2021
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 17, 2023 · Synced Jul 22, 2026, 2:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Phase 1 Study of Dimethandrolone Undecanoate in Healthy Men

NCT01382069
View directory record Official record
Conditions
Healthy Men, Male Contraception
Interventions
Dimethandrolone Undecanoate, Placebo
Drug
Lead sponsor
Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
2
States / cities
Torrance, California • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Nov 19, 2025 · Synced Jul 22, 2026, 2:02 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 Jul 22, 2026, 2:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Single Dose, Dose-Ranging Study of 11-β Methyl Nortestosterone Dodecylcarbonate (11β-MNTDC) in Healthy Men

NCT02754687
View directory record Official record
Conditions
Healthy Men, Male Contraception
Interventions
Placebo, 11βmethyl nortestosterone dodecylcarbonate
Drug
Lead sponsor
Premier Research
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
2
States / cities
Torrance, California • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 30, 2025 · Synced Jul 22, 2026, 2:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Injectable DMAU for Male Contraception in Healthy Male Volunteers (CCN015)

NCT02927210
View directory record Official record
Conditions
Healthy Men, Male Contraception
Interventions
Dimethandrolone Undecanoate, Placebo
Drug
Lead sponsor
Kimberly Myer
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2025
U.S. locations
2
States / cities
Torrance, California • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 30, 2025 · Synced Jul 22, 2026, 2:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Effects of Testosterone on Prostate Tissue (ACYP-1)

NCT00161486
View directory record Official record
Conditions
Hypogonadism, Contraception
Interventions
Testosterone gel, Acyline, Placebo acyline, Placebo Testosterone gel
Drug
Lead sponsor
University of Washington
Other
Eligibility
35 Years to 55 Years · Male only
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 18, 2008 · Synced Jul 22, 2026, 2:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of Polyurethane Male Condoms

NCT04622306
View directory record Official record
Conditions
Contraception, Prevention of Sexually Transmitted Infections
Interventions
Control Latex Condom C, Polyurethane Condom A, Polyurethane Condom B
Device
Lead sponsor
Sagami Rubber Industries Co., Ltd.
Industry
Eligibility
18 Years to 45 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 5, 2023 · Synced Jul 22, 2026, 2:02 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A 3-way Crossover Clinical Investigation to Assess the Performance of Two Different Sized Polyurethane Condoms Versus a Latex Condom in Healthy Monogamous Couples.

NCT06557499
View directory record Official record
Conditions
Contraception
Interventions
Polyurethane (PU) male condom-Test condom 1, Polyurethane (PU) male condom-Test condom 2, Natural Rubber Latex (NRL) male condom- Control condom
Device
Lead sponsor
Reckitt Benckiser Healthcare (UK) Limited
Industry
Eligibility
18 Years to 60 Years
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
3
States / cities
Berkeley, California • Los Angeles, California • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 17, 2025 · Synced Jul 22, 2026, 2:02 PM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers

28-Day Repeat-Dose, Dose Escalation Study of 11-β Methyl Nortestosterone Dodecylcarbonate (11β-MNTDC) in Healthy Men

NCT03298373
View directory record Official record
Conditions
Healthy Men, Male Contraception
Interventions
Placebo, 11β-methyl-nortestosterone-dodecylcarbonate
Drug
Lead sponsor
Premier Research
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
2
States / cities
Torrance, California • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 11, 2019 · Synced Jul 22, 2026, 2:02 PM EDT