- Conditions
- Fertility, Male Fertility, Sperm Count, Low, Sperm Quality
- Interventions
- EDC Education Intervention
- Behavioral
- Lead sponsor
- Million Marker Wellness, Inc.
- Industry
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 100 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Berkeley, California
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Showing 1–8
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- Conditions
- Oligospermia, Azoospermia, Nonobstructive, Infertility
- Interventions
- isotretinoin, Human chorionic gonadotrophin (hCG)
- Drug
- Lead sponsor
- University of Nebraska
- Other
- Eligibility
- 19 Years to 50 Years · Male only
- Enrollment
- 100 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- Conditions
- Primary Ovarian Insufficiency, Azoospermia, Oligospermia
- Interventions
- Not listed
- Lead sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
- NIH
- Eligibility
- 18 Years to 100 Years
- Enrollment
- 500 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2031
- U.S. locations
- 2
- States / cities
- Bethesda, Maryland • Rockville, Maryland
- Conditions
- Oligozoospermia, Asthenozoospermia, Teratozoospermia, Fertility
- Interventions
- Walnuts, OTC multivitamin
- Dietary Supplement
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 21 Years and older · Male only
- Enrollment
- 80 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2020
- U.S. locations
- 2
- States / cities
- Los Angeles, California
- Conditions
- Oligospermia, Teratospermia, Asthenozoospermia, Male Infertility
- Interventions
- Ramipril, Placebo
- Drug
- Lead sponsor
- Weill Medical College of Cornell University
- Other
- Eligibility
- 18 Years to 45 Years · Male only
- Enrollment
- 2 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2016
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Male Infertility, Klinefelter's Syndrome, Y-chromosome Microdeletions
- Interventions
- 13-cis retinoic acid, Calcitriol
- Drug
- Lead sponsor
- University of Washington
- Other
- Eligibility
- 21 Years to 60 Years · Male only
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2018
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Varicocele, Male Infertility, Hypospermatogenesis, Non-Obstructive Azoospermia
- Interventions
- Varicocele repair
- Procedure
- Lead sponsor
- National Institute of Environmental Health Sciences (NIEHS)
- NIH
- Eligibility
- 21 Years to 55 Years · Male only
- Enrollment
- 400 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2000 – 2005
- U.S. locations
- 2
- States / cities
- Camden, New Jersey • Manhasset, New York
- Conditions
- Obesity, Oligospermia
- Interventions
- Anastrozole, Placebo
- Drug
- Lead sponsor
- University of Utah
- Other
- Eligibility
- 16 Years to 80 Years · Male only
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2014
- U.S. locations
- 1
- States / cities
- Salt Lake City, Utah