- 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
Search Results
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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.
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Showing 1–14
of 14
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Non-obstructive Azoospermia
- Interventions
- Gabapentin, Placebo
- Drug
- Lead sponsor
- Weill Medical College of Cornell University
- Other
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 74 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2022
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Azoospermia
- Interventions
- Not listed
- Lead sponsor
- Paul Shin
- Other
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 40 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025
- U.S. locations
- 1
- States / cities
- Rockville, Maryland
- 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
- Male Infertility Due to Azoospermia
- Interventions
- Not listed
- Lead sponsor
- Reproductive Medicine Associates of New Jersey
- Other
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 3 participants
- Timeline
- 2019 – 2021
- U.S. locations
- 1
- States / cities
- Basking Ridge, New Jersey
- Conditions
- Infertility, Azoospermia
- Interventions
- Use of IntelliWell to identify and localize sperm for ICSI
- Device
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Male Infertility, Nonobstructive Azoospermia, Azoospermia
- Interventions
- Platelet rich plasma
- Biological
- Lead sponsor
- Stanford University
- Other
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2026
- U.S. locations
- 1
- States / cities
- Stanford, California
- Conditions
- Non-obstructive Azoospermia
- Interventions
- mTESE
- Procedure
- Lead sponsor
- Mount Sinai Hospital, Canada
- Other
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 200 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2020
- U.S. locations
- 2
- States / cities
- San Francisco, California • New York, New York
- Conditions
- Male Infertility, Azoospermia
- Interventions
- 13-cis retinoic acid
- Drug
- Lead sponsor
- University of Washington
- Other
- Eligibility
- 21 Years to 60 Years · Male only
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2019
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Male Infertility, Azoospermia
- Interventions
- BAIBYS Sperm selection, Intra cytoplasmatic sperm injection, Conventional manual sperm selection
- Device · Procedure
- Lead sponsor
- BAIBYS Fertility
- Industry
- Eligibility
- 21 Years to 42 Years
- Enrollment
- 260 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2026
- U.S. locations
- 1
- States / cities
- Stamford, Connecticut
- 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
- Non-obstructive Azoospermia, Male Infertility
- Interventions
- Not listed
- Lead sponsor
- Inception Fertility Research Institute, LLC
- Industry
- Eligibility
- Not listed
- Enrollment
- 400 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2027
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Azoospermia, Nonobstructive, Infertility, Male
- Interventions
- Ultrasound-guided rete testis flushing and aspiration
- Procedure
- Lead sponsor
- University of Pittsburgh
- Other
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2027
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- Infertility, Non-obstructive Azoospermia, Vasectomy
- Interventions
- PET/ MRI of the Testis
- Device
- Lead sponsor
- NYU Langone Health
- Other
- Eligibility
- 18 Years and older · Male only
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017
- U.S. locations
- 1
- States / cities
- New York, New York