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Showing 1–24 of 39 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Semen analysis Clear all
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Household Participants

NCT06590649
View directory record Official record
Conditions
Type 2 Diabetes, Hypertension, Dyslipidemias, Overweight and Obesity
Interventions
Household-level effects
Behavioral
Lead sponsor
University of Hawaii
Other
Eligibility
18 Years and older
Enrollment
168 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
2
States / cities
Honolulu, Hawaii • Kapolei, Hawaii
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 13, 2026, 5:03 AM EDT
Terminated Phase 2Phase 3 Interventional Accepts healthy volunteers

Study of Oral Dehydroepiandrosterone(DHEA) to Treat Previously Unexplained Infertility

NCT00650754
View directory record Official record
Conditions
Primary Ovarian Insufficiency, Unexplained Infertility
Interventions
Dehydroepiandrosterone, Placebo
Dietary Supplement · Other
Lead sponsor
Center for Human Reproduction
Other
Eligibility
21 Years to 37 Years · Female only
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 29, 2015 · Synced Sep 13, 2026, 5:03 AM EDT
Completed No phase listed Observational

Biospecimen Analysis in Determining Effects of Chemotherapy on Fertility in Osteosarcoma Survivors

NCT03206450
View directory record Official record
Conditions
Osteosarcoma
Interventions
Biospecimen Collection, Laboratory Biomarker Analysis, Questionnaire Administration
Procedure · Other
Lead sponsor
Children's Oncology Group
Network
Eligibility
18 Years to 50 Years · Male only
Enrollment
224 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
93
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 76 more
Source: ClinicalTrials.gov public record
Updated Aug 25, 2024 · Synced Sep 13, 2026, 5:03 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Testicular Evaluation of Azoospermia Using Micro-Ultrasound

NCT06941922
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 10, 2025 · Synced Sep 13, 2026, 5:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Biomarkers in Post-Menopausal Women Receiving Flaxseed

NCT01698294
View directory record Official record
Conditions
No Evidence of Disease
Interventions
Clinical Observation, Flaxseed, Laboratory Biomarker Analysis, Questionnaire Administration
Other · Dietary Supplement
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
45 Years to 80 Years · Female only
Enrollment
258 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated May 8, 2022 · Synced Sep 13, 2026, 5:03 AM EDT
Withdrawn No phase listed Observational

Trial of Prostate Cancer Patients Undergoing Active Surveillance With or Without MRI-Guided Management

NCT01838265
View directory record Official record
Conditions
Prostate Cancer, Prostate Adenocarcinoma
Interventions
Transrectal Ultrasound-Guided Biopsy, MRI Ultrasound Biopsy, Expanded Prostate Cancer index Composite Questionnaire, Short-Form 12 of Health Related Quality of Life Questionnaire, Memorial Anxiety Scale for Prostate Cancer, Plasma/Serum Sample for biomarkers, Urine Sample for Biomarkers, Blood Tests for Blood Urea Nitrogen and Creatinine, Blood Test for Serum PSA
Procedure · Behavioral
Lead sponsor
University of Miami
Other
Eligibility
35 Years to 75 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2012
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Dec 7, 2014 · Synced Sep 13, 2026, 5:03 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Pesticides--Health Fertility and Reproductive Risk

NCT00015561
View directory record Official record
Conditions
Birth Defects, Miscarriages, Cancer
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 70 Years
Enrollment
1,803 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1996 – 2001
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 3, 2006 · Synced Sep 13, 2026, 5:03 AM EDT
Completed Phase 1 Interventional

Diet and Behavior in Young Children With Autism

NCT00090428
View directory record Official record
Conditions
Autism, Autistic Disorder
Interventions
Gluten- and casein-free diet, Placebo controlled diet
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
30 Months to 54 Months
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jan 31, 2013 · Synced Sep 13, 2026, 5:03 AM EDT
Completed No phase listed Observational

Palladium-103 Seed Implant and Single Daily Dosing of Uroxatral Vs. Twice Daily Dosing of Flomax- A 3 Month Retrospective Efficacy Analysis

NCT00264017
View directory record Official record
Conditions
Prostate Cancer Patients Undergoing External Radiation and Seed Implantation
Interventions
Not listed
Lead sponsor
Dattoli Cancer Center and Brachytherapy Research Institute
Other
Eligibility
45 Years to 80 Years · Male only
Enrollment
60 participants
Timeline
2005
U.S. locations
1
States / cities
Sarasota, Florida
Source: ClinicalTrials.gov public record
Updated Dec 11, 2005 · Synced Sep 13, 2026, 5:03 AM EDT
Completed Not applicable Interventional Results available

Home Semen Testing in Men Beginning Attempts to Conceive

NCT05503862
View directory record Official record
Conditions
Male Infertility
Interventions
YoSperm
Device
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older · Male only
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Sep 13, 2026, 5:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Sibling Oocyte Study- Comparison of ZyMotTM Microfluidics Device to Density Gradient for Sperm Selection During ICSI

NCT04818593
View directory record Official record
Conditions
ART
Interventions
ZyMot Multi Sperm Separation Device (850 ul), Density Gradient Centrifugation
Device · Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 4, 2023 · Synced Sep 13, 2026, 5:03 AM EDT
Completed Not applicable Interventional

Salvia Hispanica Seed in Reducing Risk of Disease Recurrence in Patients With Non-Hodgkin Lymphoma

NCT02652715
View directory record Official record
Conditions
Adult Nasal Type Extranodal NK/T-Cell Lymphoma, Adult T-Cell Leukemia/Lymphoma, Anaplastic Large Cell Lymphoma, Angioimmunoblastic T-Cell Lymphoma, B Lymphoblastic Leukemia/Lymphoma, Blastic Plasmacytoid Dendritic Cell Neoplasm, Burkitt Leukemia, Central Nervous System Lymphoma, Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma, Diffuse Large B-Cell Lymphoma, Enteropathy-Associated T-Cell Lymphoma, Extranodal Marginal Zone Lymphoma of Mucosa-Associated Lymphoid Tissue, Grade 1 Follicular Lymphoma, Grade 2 Follicular Lymphoma, Grade 3 Follicular Lymphoma, Hepatosplenic T-Cell Lymphoma, Lymphoplasmacytic Lymphoma, Mantle Cell Lymphoma, Mediastinal (Thymic) Large B-Cell Lymphoma, Mycosis Fungoides, Nasal Type Extranodal NK/T-Cell Lymphoma, Nodal Marginal Zone Lymphoma, Peripheral T-Cell Lymphoma, Not Otherwise Specified, Post-Transplant Lymphoproliferative Disorder, Primary Cutaneous Anaplastic Large Cell Lymphoma, Primary Effusion Lymphoma, Sezary Syndrome, Splenic Marginal Zone Lymphoma, Subcutaneous Panniculitis-Like T-Cell Lymphoma, Systemic Anaplastic Large Cell Lymphoma, T Lymphoblastic Leukemia/Lymphoma, Transformed Recurrent Non-Hodgkin Lymphoma
Interventions
Laboratory Biomarker Analysis, Quality-of-Life Assessment, Questionnaire Administration, Salvia hispanica Seed
Other · Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 14, 2019 · Synced Sep 13, 2026, 5:03 AM EDT
Completed Not applicable Interventional Results available

A Prospective Study Using Implanted Fiducial Markers to Assess Treatment Accuracy and Esophageal Toxicity in Spinal Stereotactic Body Radiation Therapy

NCT01624220
View directory record Official record
Conditions
Spinal Tumor
Interventions
Spinal SBRT (Standard Dose), Spinal SBRT (Higher Dose), Gold Seed Implantation, Questionnaires
Radiation · Procedure · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2023
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Sep 13, 2026, 5:03 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

PET-MRI for Functional Imaging of the Testis: A Feasibility Study

NCT02669108
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 26, 2017 · Synced Sep 13, 2026, 5:03 AM EDT
Terminated No phase listed Observational

Presence of Donor-Derived DNA in Semen Samples From Cancer Survivors Who Underwent Donor Stem Cell Transplant

NCT01077440
View directory record Official record
Conditions
Cancer Survivor, Chronic Myeloproliferative Disorders, Leukemia, Lymphoma, Multiple Myeloma and Plasma Cell Neoplasm, Myelodysplastic Syndromes, Myelodysplastic/Myeloproliferative Neoplasms, Neuroblastoma, Testicular Germ Cell Tumor
Interventions
DNA analysis, polymerase chain reaction, flow cytometry, laboratory biomarker analysis
Genetic · Other
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older · Male only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 9, 2014 · Synced Sep 13, 2026, 5:03 AM EDT
Terminated No phase listed Observational

Fertility Assessment in Patients With Klinefelter Syndrome

NCT02461303
View directory record Official record
Conditions
Klinefelter Syndrome
Interventions
Counseling
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
12 Years to 25 Years · Male only
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 23, 2018 · Synced Sep 13, 2026, 5:03 AM EDT
Terminated Not applicable Interventional

Rectal Spacer Hydrogel Before Radiation Therapy in Reducing Radiation Dose to the Rectum in Patients With Prostate Cancer

NCT05224869
View directory record Official record
Conditions
Prostate Cancer
Interventions
Medical Device Usage and Evaluation, CT simulation, Stereotactic body radiation therapy, Brachytherapy, Post-implant dosimetry scan
Device · Procedure · Radiation
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older · Male only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 25, 2025 · Synced Sep 13, 2026, 5:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Exogenous Ketones on Indices of Keto-Adaptation in Obese Subjects on Weight Reducing Diets.

NCT06449287
View directory record Official record
Conditions
Ketogenic Diet, Weight Loss
Interventions
Diet, Blood Draw, Ketone/Glucose Monitoring, Body Composition, Urine Analysis, Neuropsychological Measures - ANAM
Other · Biological · Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
21 Years to 65 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 18, 2024 · Synced Sep 13, 2026, 5:03 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Expanding Fertility Care to Poor and Low Resourced Settings Study

NCT05205733
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 19, 2024 · Synced Sep 13, 2026, 5:03 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Impact of Sperm DNA Integrity on Artificial Reproductive Treatment (ART)

NCT00875095
View directory record Official record
Conditions
Sperm DNA Impact on ART Outcomes
Interventions
Not listed
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older · Male only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Manhasset, New York
Source: ClinicalTrials.gov public record
Updated Sep 7, 2016 · Synced Sep 13, 2026, 5:03 AM EDT
Completed Not applicable Interventional

Omega-3 Fatty Acids in Children and Adolescents With Bipolar Disorder

NCT00252486
View directory record Official record
Conditions
Bipolar Disorder
Interventions
Flax oil
Drug
Lead sponsor
University of Rochester
Other
Eligibility
6 Years to 17 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jun 18, 2013 · Synced Sep 13, 2026, 5:03 AM EDT
Active, not recruiting Not applicable Interventional

Fast Track to Fertility

NCT07154888
View directory record Official record
Conditions
Infertility
Interventions
Fast Track to Fertility Algorithmic Text Messaging Platform
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older · Female only
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Sep 13, 2026, 5:03 AM EDT
Terminated No phase listed Observational

The Effect of Bariatric Surgery on Spermatogenesis

NCT03725696
View directory record Official record
Conditions
Bariatric Surgery Candidate, Sexual Function and Fertility Disorders
Interventions
Semen Analysis, Hormonal panel, RYGB Gastric Bypass, IIEF Survey
Diagnostic Test · Procedure
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 55 Years · Male only
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 8, 2021 · Synced Sep 13, 2026, 5:03 AM EDT
Withdrawn No phase listed Observational

Male Fertility and Sperm Cryopreservation

NCT02431000
View directory record Official record
Conditions
Fertility, SPERM, Cancer
Interventions
Sperm and blood collected for analysis
Procedure
Lead sponsor
University of Tennessee
Other
Eligibility
13 Years and older · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 12, 2020 · Synced Sep 13, 2026, 5:03 AM EDT