{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ovarian+tissue+cryopreservation",
    "query": {
      "intervention": "Ovarian tissue cryopreservation"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 15,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ovarian+tissue+cryopreservation&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-27T19:38:06.047Z",
  "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": "NCT02646384",
      "title": "Ovarian Tissue Cryopreservation in Children",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Ovarian tissue cryopreservation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "17 Years",
        "sex": "FEMALE",
        "summary": "Up to 17 Years · Female only"
      },
      "enrollment_count": 100,
      "start_date": "2017-03-16",
      "completion_date": "2040-01-22",
      "has_results": false,
      "last_update_posted_date": "2026-04-20",
      "last_synced_at": "2026-09-27T19:38:06.047Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02646384"
    },
    {
      "nct_id": "NCT01870752",
      "title": "Ovarian Tissue Transplantation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Infertile Females or Females With Ovarian Insufficiency"
      ],
      "interventions": [
        {
          "name": "Transplantation of previously cryopreserved ovarian tissu",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 10,
      "start_date": "2013-06",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2025-09-10",
      "last_synced_at": "2026-09-27T19:38:06.047Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01870752"
    },
    {
      "nct_id": "NCT05863676",
      "title": "Ovarian Tissue Cryopreservation in the Setting of Gender-affirming Therapy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Gender Dysphoria",
        "Transgender"
      ],
      "interventions": [
        {
          "name": "Oophorectomy",
          "type": "PROCEDURE"
        },
        {
          "name": "Infectious Disease Testing",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "9 Years and older · Female only"
      },
      "enrollment_count": 20,
      "start_date": "2020-07-14",
      "completion_date": "2030-07",
      "has_results": false,
      "last_update_posted_date": "2026-07-09",
      "last_synced_at": "2026-09-27T19:38:06.047Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05863676"
    },
    {
      "nct_id": "NCT05875155",
      "title": "Ovarian Tissue Cryopreservation for Fertility Preservation",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer",
        "Autoimmune Diseases"
      ],
      "interventions": [
        {
          "name": "Infectious Disease Labwork",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Fertility-Based Labwork",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "39 Years",
        "sex": "FEMALE",
        "summary": "Up to 39 Years · Female only"
      },
      "enrollment_count": 500,
      "start_date": "2011-01-13",
      "completion_date": "2031-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-04",
      "last_synced_at": "2026-09-27T19:38:06.047Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05875155"
    },
    {
      "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": "2026-09-27T19:38:06.047Z",
      "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": "NCT01403675",
      "title": "Human Ovarian Autotransplantation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ovarian Autotransplantation Using Cryopreserved Ovarian Tissue in Women Treated for Cancer"
      ],
      "interventions": [
        {
          "name": "Ovarian autotransplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Samuel Kim, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 1,
      "start_date": "2009-05",
      "completion_date": "2014-03",
      "has_results": false,
      "last_update_posted_date": "2014-12-04",
      "last_synced_at": "2026-09-27T19:38:06.047Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01403675"
    },
    {
      "nct_id": "NCT01993732",
      "title": "Ovarian Tissue Cryopreservation in Females Undergoing Procedures That Will Potentially Lead To Loss of Ovarian Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer",
        "Effects of Chemotherapy",
        "Unspecified Complication of Bone Marrow Transplant",
        "Auto Immune Disease"
      ],
      "interventions": [
        {
          "name": "Retrieval and Cryopreservation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Medical College of Wisconsin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "3 Years and older · Female only"
      },
      "enrollment_count": 15,
      "start_date": "2013-08-06",
      "completion_date": "2018-06-28",
      "has_results": false,
      "last_update_posted_date": "2019-08-14",
      "last_synced_at": "2026-09-27T19:38:06.047Z",
      "location_count": 2,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01993732"
    },
    {
      "nct_id": "NCT05434936",
      "title": "Ovarian Tissue Cryopreservation for Fertility Preservation in Girls and Women",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fertility Preservation"
      ],
      "interventions": [
        {
          "name": "Oophorectomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "42 Years",
        "sex": "FEMALE",
        "summary": "0 Years to 42 Years · Female only"
      },
      "enrollment_count": 24,
      "start_date": "2017-08-11",
      "completion_date": "2027-10-10",
      "has_results": false,
      "last_update_posted_date": "2023-06-18",
      "last_synced_at": "2026-09-27T19:38:06.047Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05434936"
    },
    {
      "nct_id": "NCT02678910",
      "title": "Ovarian Tissue Freezing For Fertility Preservation In Women Facing A Fertility Threatening Medical Diagnosis/Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer",
        "Hematologic Disorder",
        "Rheumatologic Disorder",
        "Infertility"
      ],
      "interventions": [
        {
          "name": "Ovarian Cryopreservation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Vlad Radulescu",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "41 Years",
        "sex": "FEMALE",
        "summary": "12 Years to 41 Years · Female only"
      },
      "enrollment_count": 2,
      "start_date": "2017-02-01",
      "completion_date": "2017-06-21",
      "has_results": false,
      "last_update_posted_date": "2020-12-09",
      "last_synced_at": "2026-09-27T19:38:06.047Z",
      "location_count": 2,
      "location_summary": "Lexington, Kentucky • Louisville, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02678910"
    },
    {
      "nct_id": "NCT00902720",
      "title": "Ovarian Tissue Freezing For Fertility Preservation",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Malignancy",
        "Fertility"
      ],
      "interventions": [
        {
          "name": "Tissue sample storage",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "41 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 41 Years · Female only"
      },
      "enrollment_count": 25,
      "start_date": "2009-05",
      "completion_date": "2025-03",
      "has_results": false,
      "last_update_posted_date": "2023-07-05",
      "last_synced_at": "2026-09-27T19:38:06.047Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00902720"
    }
  ]
}