Home › Male Infertility
Male Infertility clinical trials recruiting in the U.S.
7 studies for Male Infertility are recruiting participants at sites across the United States.
Infertility is when a woman can't get pregnant after a year or keeps having miscarriages. Read about the causes of male infertility and treatments.
By state
Recently updated studies
Experimental Round Spermatid Injection (ROSI) to Treat Infertile Couples
Recruiting
Ages 18 and older · Men · Updated Sep 17, 2026 · NCT04298255Male Infertility and Assisted Reproductive Technologies Research Biobank
RecruitingObservational study
All ages · Men · Updated Jun 2, 2026 · NCT06880302Spermatogonial Stem Cell (SSC) Transplant and Testicular Tissue Grafting
Recruiting
All ages · Men · Updated Apr 22, 2026 · NCT04452305Improvement of Reproductive Function in Men With Spinal Cord Injury (SCI)
RecruitingPhase 3
Ages 18 and older · Men · Updated Mar 2, 2026 · NCT05903859Platelet Rich Plasma Testis Treatment for Infertile Men
Recruiting
Ages 18 and older · Men · Updated Jan 13, 2026 · NCT05479474Prospective Study on Power Prenatal Vitamins for Males on YO Score At-home Sperm Test Results
RecruitingHealthy volunteers welcome
Ages 18 to 50 · Men · Updated Apr 8, 2025 · NCT05951075Spermatogonial Differentiation Via Testicular Organoid
RecruitingPhase 1/2Healthy volunteers welcome
Ages 18 to 60 · Men · Updated Feb 24, 2025 · NCT06841861From ClinicalTrials.gov, data retrieved Oct 5, 2026. Each study sets its own eligibility; the study team decides who can join.