{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Oocyte+Cryopreservation",
    "query": {
      "condition": "Oocyte Cryopreservation"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 21,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Oocyte+Cryopreservation&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T00:18:12.467Z",
  "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": "NCT00699400",
      "title": "Oocyte Cryopreservation Registry (HOPE Registry)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Oocyte Cryopreservation"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "EMD Serono",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 204,
      "start_date": "2008-06",
      "completion_date": "2012-07",
      "has_results": true,
      "last_update_posted_date": "2014-01-24",
      "last_synced_at": "2026-09-04T00:18:12.467Z",
      "location_count": 15,
      "location_summary": "Fountain Valley, California • Laguna Hills, California • Newport Beach, California + 11 more",
      "locations": [
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Laguna Hills",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00699400"
    },
    {
      "nct_id": "NCT04616417",
      "title": "Investigational Oocyte Cryopreservation for Medical and Non Medical Indications",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Infertility, Female",
        "Deferred Childbearing"
      ],
      "interventions": [
        {
          "name": "Investigational Oocyte Cryopreservation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Illinois at Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 29,
      "start_date": "2015-05-08",
      "completion_date": "2023-03-20",
      "has_results": true,
      "last_update_posted_date": "2024-07-30",
      "last_synced_at": "2026-09-04T00:18:12.467Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04616417"
    },
    {
      "nct_id": "NCT01232972",
      "title": "Oocyte Cryopreservation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fertility"
      ],
      "interventions": [
        {
          "name": "vitrification of oocytes",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "42 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 42 Years · Female only"
      },
      "enrollment_count": 23,
      "start_date": "2010-10",
      "completion_date": "2013-03",
      "has_results": false,
      "last_update_posted_date": "2013-04-23",
      "last_synced_at": "2026-09-04T00:18:12.467Z",
      "location_count": 1,
      "location_summary": "Manhasset, New York",
      "locations": [
        {
          "city": "Manhasset",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01232972"
    },
    {
      "nct_id": "NCT00986687",
      "title": "Oocyte Cryopreservation Comparing Fresh and Vitrified Sibling Oocytes",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Infertility"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "UConn Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "37 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 37 Years · Female only"
      },
      "enrollment_count": 17,
      "start_date": "2009-08",
      "completion_date": "2013-02",
      "has_results": false,
      "last_update_posted_date": "2015-12-03",
      "last_synced_at": "2026-09-04T00:18:12.467Z",
      "location_count": 1,
      "location_summary": "Farmington, Connecticut",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00986687"
    },
    {
      "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": "2026-09-04T00:18:12.467Z",
      "location_count": 1,
      "location_summary": "Manhasset, New York",
      "locations": [
        {
          "city": "Manhasset",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01268592"
    },
    {
      "nct_id": "NCT02396095",
      "title": "Oocyte Cryopreservation Study (Egg Banking)",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "15 Years to 45 Years · Female only"
      },
      "enrollment_count": 24,
      "start_date": "2008-08",
      "completion_date": "2013-07",
      "has_results": false,
      "last_update_posted_date": "2015-03-24",
      "last_synced_at": "2026-09-04T00:18:12.467Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02396095"
    },
    {
      "nct_id": "NCT00716118",
      "title": "Oocyte Cryopreservation: The Impact of Cryopreservation on the Meiotic Spindle and Mitochondria of Human Oocytes.",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Infertility"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "West Coast Fertility Centers",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "37 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 37 Years · Female only"
      },
      "enrollment_count": 20,
      "start_date": "2008-07",
      "completion_date": "2010-07",
      "has_results": false,
      "last_update_posted_date": "2011-01-06",
      "last_synced_at": "2026-09-04T00:18:12.467Z",
      "location_count": 1,
      "location_summary": "Fountain Valley, California",
      "locations": [
        {
          "city": "Fountain Valley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00716118"
    },
    {
      "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": "2026-09-04T00:18:12.467Z",
      "location_count": 1,
      "location_summary": "Rockville, Maryland",
      "locations": [
        {
          "city": "Rockville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07175571"
    },
    {
      "nct_id": "NCT00504699",
      "title": "Safety of Ovarian Stimulation With Letrozole and Gonadotropins in Breast Cancer Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Ovarian stimulation in vitro fertilization cryopreservation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "New York Medical College",
      "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": 120,
      "start_date": "2002-01",
      "completion_date": "2018-03-01",
      "has_results": false,
      "last_update_posted_date": "2018-03-29",
      "last_synced_at": "2026-09-04T00:18:12.467Z",
      "location_count": 1,
      "location_summary": "Valhalla, New York",
      "locations": [
        {
          "city": "Valhalla",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00504699"
    },
    {
      "nct_id": "NCT00839839",
      "title": "Egg Freezing Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Infertility",
        "Egg Freezing"
      ],
      "interventions": [
        {
          "name": "Oocyte Vitrification",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University Reproductive Associates",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 10,
      "start_date": "2009-02",
      "completion_date": "2011-02",
      "has_results": false,
      "last_update_posted_date": "2015-12-03",
      "last_synced_at": "2026-09-04T00:18:12.467Z",
      "location_count": 1,
      "location_summary": "Hasbrouck Heights, New Jersey",
      "locations": [
        {
          "city": "Hasbrouck Heights",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00839839"
    }
  ]
}