{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Fertility%2C+Male&page=2",
    "query": {
      "condition": "Fertility, Male",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Fertility%2C+Male&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-26T19:42:20.883Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT01817296",
      "title": "Klinefelter Fertility Preservation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Klinefelter Syndrome"
      ],
      "interventions": [
        {
          "name": "Testicular Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "25 Years",
        "sex": "MALE",
        "summary": "12 Years to 25 Years · Male only"
      },
      "enrollment_count": 15,
      "start_date": "2013-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-05-15",
      "last_synced_at": "2026-09-26T19:42:20.883Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01817296"
    },
    {
      "nct_id": "NCT01954498",
      "title": "Effect of Walnuts on Sperm Parameters and Male Fertility",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Oligozoospermia",
        "Asthenozoospermia",
        "Teratozoospermia",
        "Fertility"
      ],
      "interventions": [
        {
          "name": "Walnuts",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "OTC multivitamin",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "21 Years and older · Male only"
      },
      "enrollment_count": 80,
      "start_date": "2014-05",
      "completion_date": "2020-03",
      "has_results": false,
      "last_update_posted_date": "2026-03-13",
      "last_synced_at": "2026-09-26T19:42:20.883Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01954498"
    },
    {
      "nct_id": "NCT02431000",
      "title": "Male Fertility and Sperm Cryopreservation",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Fertility",
        "SPERM",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Sperm and blood collected for analysis",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Tennessee",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "13 Years and older · Male only"
      },
      "enrollment_count": 0,
      "start_date": "2015-05",
      "completion_date": "2020-06-30",
      "has_results": false,
      "last_update_posted_date": "2020-11-13",
      "last_synced_at": "2026-09-26T19:42:20.883Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02431000"
    },
    {
      "nct_id": "NCT06692049",
      "title": "Gonadal Tissue Cryopreservation for Fertility Preservation in Children With a Disorder of Sex Development",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "DSD, 46,XY",
        "DSD, Ovotesticular",
        "DSD, Sex Chromosome",
        "Disorders of Sex Development",
        "Disorder of Sex Development, 46,XY",
        "Disorder of Sex Development, 46,Xy, Cbx2-Related"
      ],
      "interventions": [
        {
          "name": "Gonadectomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Erin Rowell",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "Up to 30 Years"
      },
      "enrollment_count": 250,
      "start_date": "2018-04-04",
      "completion_date": "2035-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-03",
      "last_synced_at": "2026-09-26T19:42:20.883Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06692049"
    },
    {
      "nct_id": "NCT07740161",
      "title": "A Clinical Trial to Evaluate the Effects of a Supplement on Markers of Male Fertility",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Male Infertility",
        "Low Sperm Quality",
        "Low Testosterone",
        "Low Energy",
        "Low Libido"
      ],
      "interventions": [
        {
          "name": "WeNatal For Him Supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "WeNatal",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2025-04-14",
      "completion_date": "2025-09-15",
      "has_results": false,
      "last_update_posted_date": "2026-07-31",
      "last_synced_at": "2026-09-26T19:42:20.883Z",
      "location_count": 1,
      "location_summary": "Las Vegas, Nevada",
      "locations": [
        {
          "city": "Las Vegas",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07740161"
    },
    {
      "nct_id": "NCT07175571",
      "title": "SISTER: Sibling Oocyte Insemination With Frozen Sperm From Third Party Donors: Evaluation of Reproductive Techniques",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Infertility, Female",
        "Reproductive Techniques, Assisted",
        "Fertilization in Vitro"
      ],
      "interventions": [
        {
          "name": "Intracytoplasmic Sperm Injection (ICSI)",
          "type": "PROCEDURE"
        },
        {
          "name": "Conventional Insemination (IVF)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Shady Grove Fertility Reproductive Science Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 95,
      "start_date": "2025-09-15",
      "completion_date": "2026-05-01",
      "has_results": false,
      "last_update_posted_date": "2025-09-16",
      "last_synced_at": "2026-09-26T19:42:20.883Z",
      "location_count": 1,
      "location_summary": "Rockville, Maryland",
      "locations": [
        {
          "city": "Rockville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07175571"
    },
    {
      "nct_id": "NCT04704141",
      "title": "Relationship of the Microenvironment and Male Fertility",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Male Infertility",
        "Male Hypogonadism"
      ],
      "interventions": [
        {
          "name": "Hormone replacement therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Illinois at Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 150,
      "start_date": "2023-06",
      "completion_date": "2026-06",
      "has_results": false,
      "last_update_posted_date": "2023-04-20",
      "last_synced_at": "2026-09-26T19:42:20.883Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04704141"
    },
    {
      "nct_id": "NCT01171105",
      "title": "Study to Investigate Multiple Ascending Oral Doses of AZD5213 in Healthy Male and Non Fertile Female Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "AZD5213",
          "type": "DRUG"
        },
        {
          "name": "Placebo to AZD5213",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 73,
      "start_date": "2010-07",
      "completion_date": "2011-05",
      "has_results": false,
      "last_update_posted_date": "2015-01-28",
      "last_synced_at": "2026-09-26T19:42:20.883Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01171105"
    },
    {
      "nct_id": "NCT01505140",
      "title": "Benefits of Walnuts for Male Reproductive Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Infertility",
        "Nutrition Disorders"
      ],
      "interventions": [
        {
          "name": "Whole walnuts",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "35 Years",
        "sex": "MALE",
        "summary": "21 Years to 35 Years · Male only"
      },
      "enrollment_count": 120,
      "start_date": "2009-11",
      "completion_date": "2010-12",
      "has_results": false,
      "last_update_posted_date": "2016-11-28",
      "last_synced_at": "2026-09-26T19:42:20.883Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01505140"
    },
    {
      "nct_id": "NCT01331551",
      "title": "Mesalamine and Reproductive Health Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colitis Ulcerative",
        "Crohn Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Harvard School of Public Health (HSPH)",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "MALE",
        "summary": "18 Years to 55 Years · Male only"
      },
      "enrollment_count": 130,
      "start_date": "2010-05",
      "completion_date": "2018-08",
      "has_results": false,
      "last_update_posted_date": "2018-08-02",
      "last_synced_at": "2026-09-26T19:42:20.883Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01331551"
    }
  ]
}