- Conditions
- Healthy
- Interventions
- placebo acyline, placebo gel, Testosterone 1% gel 1.25 g, Testosterone 1% gel 2.5 g, Testosterone 1% gel 5.0 g, testosterone 1% gel 10 g, testosterone 1% gel 15 g, Acyline
- Other · Drug
- Lead sponsor
- University of Washington
- Other
- Eligibility
- 25 Years to 55 Years · Male only
- Enrollment
- 62 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2014
- U.S. locations
- 1
- States / cities
- Seattle, Washington
Search Results
Search by objective public record fields.
Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1–12
of 12
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- 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
- Conditions
- Hypogonadotropic Hypogonadism, Kallmann Syndrome
- Interventions
- Anastrozole Pill, Testosterone, Placebo Oral Tablet
- Drug
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 7 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Erectile Dysfunction, Testosterone Deficiency, Diabetes
- Interventions
- Sildenafil citrate (open label), Testosterone gel, Placebo gel
- Drug · Other
- Lead sponsor
- Boston University
- Other
- Eligibility
- 40 Years to 70 Years · Male only
- Enrollment
- 140 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2010
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Testosterone's Effects on Threat Perception/Response
- Interventions
- Testosterone
- Drug
- Lead sponsor
- University of Texas at Austin
- Other
- Eligibility
- 18 Years to 35 Years · Male only
- Enrollment
- 120 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012
- U.S. locations
- 1
- States / cities
- Austin, Texas
- 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
- Conditions
- Contraception
- Interventions
- Acyline, Testosterone Gel, Depo-Medroxyprogesterone
- Drug
- Lead sponsor
- University of Washington
- Other
- Eligibility
- 18 Years to 55 Years · Male only
- Enrollment
- 43 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2004 – 2006
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Sarcopenia, Hypogonadism, Muscular Diseases
- Interventions
- Topical testosterone gel 1% (active formulation), Topical gel (placebo formulation)
- Drug
- Lead sponsor
- Boston Medical Center
- Other
- Eligibility
- 65 Years and older · Male only
- Enrollment
- 209 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2009
- U.S. locations
- 2
- States / cities
- Boston, Massachusetts
- Conditions
- Metabolic Syndrome
- Interventions
- Zoladex, Testosterone gel, Anastrozole Pill, Placebo
- Drug · Other
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 50 Years to 75 Years · Male only
- Enrollment
- 66 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2010
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Healthy Volunteers
- Interventions
- Testosterone, Goserelin acetate
- Drug
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 60 Years to 75 Years · Male only
- Enrollment
- 177 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2004 – 2017
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Depressive Disorder, Major
- Interventions
- Testosterone gel, Placebo
- Drug
- Lead sponsor
- Mclean Hospital
- Other
- Eligibility
- 30 Years to 65 Years · Male only
- Enrollment
- 100 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2009
- U.S. locations
- 1
- States / cities
- Belmont, Massachusetts
- Conditions
- Male Hypogonadism
- Interventions
- Oral testosterone undecanoate, topical testosterone gel
- Drug
- Lead sponsor
- Clarus Therapeutics, Inc.
- Industry
- Eligibility
- 18 Years to 75 Years · Male only
- Enrollment
- 325 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2013
- U.S. locations
- 25
- States / cities
- Birmingham, Alabama • Calera, Alabama • Huntsville, Alabama + 20 more