{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Fertility+Preservation",
    "query": {
      "condition": "Fertility Preservation"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 46,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Fertility+Preservation&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-25T13:27:13.453Z",
  "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": "NCT01558544",
      "title": "Cryopreservation of Ovarian Tissue",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer",
        "Risk of Premature Ovarian Failure",
        "Fertility Preservation"
      ],
      "interventions": [
        {
          "name": "surgery to remove ovaries or high dose chemotherapy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "Up to 45 Years · Female only"
      },
      "enrollment_count": 300,
      "start_date": "1997-04",
      "completion_date": "2029-10-31",
      "has_results": false,
      "last_update_posted_date": "2025-12-10",
      "last_synced_at": "2026-06-25T13:27:13.453Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01558544"
    },
    {
      "nct_id": "NCT06710769",
      "title": "Ovarian Tissue Cryopreservation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Infertility, Female"
      ],
      "interventions": [
        {
          "name": "Ovarian tissue removal will be performed laparoscopically",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Phoenix Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "25 Years",
        "sex": "FEMALE",
        "summary": "1 Year to 25 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2020-07-30",
      "completion_date": "2031-07",
      "has_results": false,
      "last_update_posted_date": "2026-01-23",
      "last_synced_at": "2026-06-25T13:27:13.453Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06710769"
    },
    {
      "nct_id": "NCT02872532",
      "title": "Testicular Tissue Cryopreservation in Children",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer",
        "Cancer-Related Condition",
        "Infertility"
      ],
      "interventions": [
        {
          "name": "Testicular tissue cryopreservation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "17 Years",
        "sex": "MALE",
        "summary": "0 Years to 17 Years · Male only"
      },
      "enrollment_count": 200,
      "start_date": "2016-08-16",
      "completion_date": "2030-12",
      "has_results": false,
      "last_update_posted_date": "2025-12-08",
      "last_synced_at": "2026-06-25T13:27:13.453Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02872532"
    },
    {
      "nct_id": "NCT00429403",
      "title": "Goserelin Acetate Study for Ovarian Function in Patients With Primary Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Goserelin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "46 Years",
        "sex": "FEMALE",
        "summary": "15 Years to 46 Years · Female only"
      },
      "enrollment_count": 1,
      "start_date": "2006-08",
      "completion_date": "2010-07",
      "has_results": true,
      "last_update_posted_date": "2016-05-09",
      "last_synced_at": "2026-06-25T13:27:13.453Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00429403"
    },
    {
      "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": "2026-06-25T13:27:13.453Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01817296"
    },
    {
      "nct_id": "NCT06387498",
      "title": "Testicular Tissue Cryopreservation (TTC)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fertility Issues"
      ],
      "interventions": [
        {
          "name": "Testicular tissue biopsy and cryopreservation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 60,
      "start_date": "2020-09-28",
      "completion_date": "2027-12-30",
      "has_results": false,
      "last_update_posted_date": "2025-09-16",
      "last_synced_at": "2026-06-25T13:27:13.453Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06387498"
    },
    {
      "nct_id": "NCT03599661",
      "title": "Developing and Validating Fertilit-e",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Malignant Neoplasm"
      ],
      "interventions": [
        {
          "name": "Interview",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "18 Years to 39 Years"
      },
      "enrollment_count": 21,
      "start_date": "2018-08-15",
      "completion_date": "2023-06-07",
      "has_results": true,
      "last_update_posted_date": "2025-01-09",
      "last_synced_at": "2026-06-25T13:27:13.453Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03599661"
    },
    {
      "nct_id": "NCT01268592",
      "title": "Fertility Preservation in Female Cancer Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fertility"
      ],
      "interventions": [
        {
          "name": "oocyte vitrification",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "42 Years",
        "sex": "FEMALE",
        "summary": "14 Years to 42 Years · Female only"
      },
      "enrollment_count": 16,
      "start_date": "2010-10",
      "completion_date": "2013-03",
      "has_results": false,
      "last_update_posted_date": "2013-04-23",
      "last_synced_at": "2026-06-25T13:27:13.453Z",
      "location_count": 1,
      "location_summary": "Manhasset, New York",
      "locations": [
        {
          "city": "Manhasset",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01268592"
    },
    {
      "nct_id": "NCT01696786",
      "title": "Oocyte Cryopreservation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fertility Preservation"
      ],
      "interventions": [
        {
          "name": "Oocyte cryopreservation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "42 Years",
        "sex": "FEMALE",
        "summary": "Up to 42 Years · Female only"
      },
      "enrollment_count": 250,
      "start_date": "2009-06",
      "completion_date": "2017-10",
      "has_results": false,
      "last_update_posted_date": "2018-09-11",
      "last_synced_at": "2026-06-25T13:27:13.453Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01696786"
    },
    {
      "nct_id": "NCT05309746",
      "title": "Ovarian Tissue Cryopreservation in Post Pubertal (OTC-Post Pubertal)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pediatric Cancer"
      ],
      "interventions": [
        {
          "name": "Laparoscopic surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Erin Rowell",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "30 Years",
        "sex": "FEMALE",
        "summary": "Up to 30 Years · Female only"
      },
      "enrollment_count": 250,
      "start_date": "2017-11-01",
      "completion_date": "2035-01",
      "has_results": false,
      "last_update_posted_date": "2024-11-18",
      "last_synced_at": "2026-06-25T13:27:13.453Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05309746"
    }
  ]
}