{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Oligospermia",
    "query": {
      "condition": "Oligospermia"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 7,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T19:05:17.043Z",
  "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": "NCT07357701",
      "title": "Identifying Genome Variants in Non-Obstructive Azoospermia (NOA) or Primary Ovarian Insufficiency (POI)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Primary Ovarian Insufficiency",
        "Azoospermia",
        "Oligospermia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 500,
      "start_date": "2026-03-11",
      "completion_date": "2031-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-16",
      "last_synced_at": "2026-06-10T19:05:17.043Z",
      "location_count": 2,
      "location_summary": "Bethesda, Maryland • Rockville, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Rockville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07357701"
    },
    {
      "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": "2026-06-10T19:05:17.043Z",
      "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": "NCT01856361",
      "title": "Ramipril for the Treatment of Oligospermia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Oligospermia",
        "Teratospermia",
        "Asthenozoospermia",
        "Male Infertility"
      ],
      "interventions": [
        {
          "name": "Ramipril",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "MALE",
        "summary": "18 Years to 45 Years · Male only"
      },
      "enrollment_count": 2,
      "start_date": "2013-07",
      "completion_date": "2016-06",
      "has_results": true,
      "last_update_posted_date": "2017-06-02",
      "last_synced_at": "2026-06-10T19:05:17.043Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01856361"
    },
    {
      "nct_id": "NCT07481370",
      "title": "Isotretinoin vs hCG for Male Infertility Due to Low or Absent Sperm",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Oligospermia",
        "Azoospermia, Nonobstructive",
        "Infertility"
      ],
      "interventions": [
        {
          "name": "isotretinoin",
          "type": "DRUG"
        },
        {
          "name": "Human chorionic gonadotrophin (hCG)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "50 Years",
        "sex": "MALE",
        "summary": "19 Years to 50 Years · Male only"
      },
      "enrollment_count": 100,
      "start_date": "2026-04-13",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-20",
      "last_synced_at": "2026-06-10T19:05:17.043Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07481370"
    },
    {
      "nct_id": "NCT00044369",
      "title": "Role of the Toxic Metal Cadmium in the Mechanism Producing Infertility With a Varicocele",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Varicocele",
        "Male Infertility",
        "Hypospermatogenesis",
        "Non-Obstructive Azoospermia"
      ],
      "interventions": [
        {
          "name": "Varicocele repair",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "National Institute of Environmental Health Sciences (NIEHS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "55 Years",
        "sex": "MALE",
        "summary": "21 Years to 55 Years · Male only"
      },
      "enrollment_count": 400,
      "start_date": "2000-05",
      "completion_date": "2005-04",
      "has_results": false,
      "last_update_posted_date": "2006-09-04",
      "last_synced_at": "2026-06-10T19:05:17.043Z",
      "location_count": 2,
      "location_summary": "Camden, New Jersey • Manhasset, New York",
      "locations": [
        {
          "city": "Camden",
          "state": "New Jersey"
        },
        {
          "city": "Manhasset",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00044369"
    },
    {
      "nct_id": "NCT02061384",
      "title": "RA-2 13-cis Retinoic Acid (Isotretinoin)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Male Infertility",
        "Klinefelter's Syndrome",
        "Y-chromosome Microdeletions"
      ],
      "interventions": [
        {
          "name": "13-cis retinoic acid",
          "type": "DRUG"
        },
        {
          "name": "Calcitriol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "60 Years",
        "sex": "MALE",
        "summary": "21 Years to 60 Years · Male only"
      },
      "enrollment_count": 20,
      "start_date": "2014-08",
      "completion_date": "2018-12",
      "has_results": true,
      "last_update_posted_date": "2021-08-02",
      "last_synced_at": "2026-06-10T19:05:17.043Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02061384"
    },
    {
      "nct_id": "NCT00440180",
      "title": "Aromatase Inhibitors in the Treatment of Male Infertility",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Obesity",
        "Oligospermia"
      ],
      "interventions": [
        {
          "name": "Anastrozole",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "80 Years",
        "sex": "MALE",
        "summary": "16 Years to 80 Years · Male only"
      },
      "enrollment_count": 20,
      "start_date": "2007-03",
      "completion_date": "2014-06",
      "has_results": true,
      "last_update_posted_date": "2016-04-06",
      "last_synced_at": "2026-06-10T19:05:17.043Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00440180"
    }
  ]
}