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Showing 1–24 of 93 matching trials from the live ClinicalTrials.gov search.
Conditions
Male Infertility, Testicular Diseases, Urologic and Male Genital Diseases, Lead Poisoning
Interventions
Not listed
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
2002 – 2007
U.S. locations
3
States / cities
Los Angeles, California • Manhasset, New York • Philadelphia, Pennsylvania
Terminated No phase listed Observational

Round Spermatid Injection Protocol

NCT04053309
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
Completed Not applicable Interventional Accepts healthy volunteers

FemaSeed LOCAL Artificial Insemination Trial

NCT04968847
Conditions
Infertility, Male Factor
Interventions
FemaSeed Localized Directional Insemination
Device
Lead sponsor
Femasys Inc.
Industry
Eligibility
19 Years to 40 Years · Female only
Enrollment
314 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
18
States / cities
Mobile, Alabama • Newark, Delaware • Clearwater, Florida + 13 more
Active, not recruiting No phase listed Observational

SpermQT Prospective Observational Trial

NCT05966883
Conditions
Male Infertility
Interventions
Not listed
Lead sponsor
Inherent Biosciences
Industry
Eligibility
18 Years to 45 Years
Enrollment
1,000 participants
Timeline
2023 – 2026
U.S. locations
6
States / cities
San Diego, California • Greenwood Village, Colorado • Orange, Connecticut + 3 more
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
Cancer, Cancer-Related Condition, Infertility
Interventions
Testicular tissue cryopreservation
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
0 Years to 17 Years · Male only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2030
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Prostate Cancer
Interventions
Alprostadil (E1), Papaverine, Phentolamine mesylate, Sildenafil citrate, conventional surgery
Drug · Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Up to 65 Years · Male only
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2009
U.S. locations
1
States / cities
Houston, Texas
Completed Phase 4 Interventional Accepts healthy volunteers

The Role of Massage in Increasing Total Motile Sperm Count of IUI

NCT01969825
Conditions
Infertility
Interventions
Massage
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 70 Years · Male only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Charlotte, North Carolina
Conditions
Male Infertility
Interventions
Not listed
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 75 Years · Male only
Enrollment
142 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
1
States / cities
New York, New York
Recruiting No phase listed Observational

Inherited Reproductive Disorders

NCT01500447
Conditions
Genetic Disorder, Infertility, Hypogonadism, Amenorrhea
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
6 Weeks to 120 Years
Enrollment
850 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2012
U.S. locations
2
States / cities
Bethesda, Maryland • Research Triangle Park, North Carolina
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
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
Not yet recruiting Not applicable Interventional

Sperm, Exposure and Endocrine Disruptors

NCT07703046
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
Conditions
Infertility
Interventions
CAPA-IVM System, Serial Unstimulated Transvaginal Oocyte Retrieval, ICSI, Blastocyst Culture, PGT-A, Embryo Vitrification/Accumulation, and Single Euploid Embryo Transfer
Device · Procedure
Lead sponsor
Kevin Doody
Industry
Eligibility
18 Years to 35 Years · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Bedford, Texas
Withdrawn Not applicable Interventional Accepts healthy volunteers

Assessing the Effect of Abstinence Period on Semen Parameters

NCT05701163
Conditions
Infertility, Male
Interventions
Abstinence followed by semen sample collection.
Other
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
20 Years to 45 Years · Male only
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
New York, New York
Not listed Not applicable Interventional Accepts healthy volunteers

Expanding Fertility Care to Poor and Low Resourced Settings Study

NCT05205733
Conditions
Healthy, Male Infertility, Infertility, Male, Fertility Disorders
Interventions
Mail-in semen analysis kit
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 64 Years · Male only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
San Francisco, California
Completed Phase 1 Interventional Accepts healthy volunteers

Choline Dehydrogenase and Sperm Function: Effects of Betaine

NCT02122211
Conditions
Men Carrying 2 Minor Alleles for Choline Dehydrogenase rs12676, Male Infertility
Interventions
Betaine supplement
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 60 Years · Male only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Kannapolis, North Carolina
Withdrawn No phase listed Observational Accepts healthy volunteers

A Clinical Evaluation of Semen Quality Using the MiOXSYS™ System 2.0

NCT02839447
Conditions
Male Infertility
Interventions
Diagnostic
Diagnostic Test
Lead sponsor
Aytu BioPharma, Inc.
Industry
Eligibility
21 Years to 45 Years · Male only
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
6
States / cities
Miami, Florida • New Orleans, Louisiana • Rochester, Minnesota + 3 more
Conditions
Male Infertility, Male Hypogonadism
Interventions
Hormone replacement therapy
Drug
Lead sponsor
University of Illinois Chicago
Other
Eligibility
18 Years and older · Male only
Enrollment
150 participants
Timeline
2023 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Cancer
Interventions
Semen collection and analysis
Procedure
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2025
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Pregnancy, Infertility
Interventions
Timed intercourse, Microsurgical varicocelectomy, Intrauterine insemination
Behavioral · Procedure
Lead sponsor
Yale University
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
9
States / cities
Aurora, Colorado • New Haven, Connecticut • Ann Arbor, Michigan + 6 more
Conditions
Infertility,Male, Vitamin D Deficiency
Interventions
Vitamin D
Diagnostic Test
Lead sponsor
Sanford Health
Other
Eligibility
21 Years to 56 Years · Male only
Enrollment
230 participants
Timeline
2019 – 2022
U.S. locations
1
States / cities
Sioux Falls, South Dakota
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Impact of Escitalopram on Sperm DNA Fragmentation

NCT03527043
Conditions
Sperm DNA Fragmentation, Infertility, Male
Interventions
Escitalopram, Placebo
Drug · Other
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2024
U.S. locations
1
States / cities
New York, New York
Conditions
Infertility, Male Factor Infertility
Interventions
Ultrashort abstinence, Standard abstinence
Other
Lead sponsor
UConn Health
Other
Eligibility
18 Years to 42 Years
Enrollment
187 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Farmington, Connecticut