{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Embryo+cryopreservation",
    "query": {
      "intervention": "Embryo cryopreservation"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 17,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Embryo+cryopreservation&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T07:56:13.603Z",
  "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": "NCT00963079",
      "title": "Comparison of Transfers of Fresh and Thawed Embryos in High Responder Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Infertility"
      ],
      "interventions": [
        {
          "name": "Embryo cryopreservation",
          "type": "PROCEDURE"
        },
        {
          "name": "Fresh blastocyst transfer",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Fertility Center of Las Vegas",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 100,
      "start_date": "2007-07",
      "completion_date": "2010-07",
      "has_results": false,
      "last_update_posted_date": "2010-07-13",
      "last_synced_at": "2026-09-04T07:56:13.603Z",
      "location_count": 1,
      "location_summary": "Las Vegas, Nevada",
      "locations": [
        {
          "city": "Las Vegas",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00963079"
    },
    {
      "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": "2026-09-04T07:56:13.603Z",
      "location_count": 1,
      "location_summary": "Farmington, Connecticut",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00986687"
    },
    {
      "nct_id": "NCT03350230",
      "title": "Embryonic Ploidy Status in the Oncofertility Population",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Oncology",
        "Fertility"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Reproductive Medicine Associates of New Jersey",
      "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": 30,
      "start_date": "2017-12-01",
      "completion_date": "2022-07-21",
      "has_results": false,
      "last_update_posted_date": "2023-05-03",
      "last_synced_at": "2026-09-04T07:56:13.603Z",
      "location_count": 1,
      "location_summary": "Basking Ridge, New Jersey",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03350230"
    },
    {
      "nct_id": "NCT00799929",
      "title": "IVF Clinical Trial of Two Different Treatment Protocols.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Infertility"
      ],
      "interventions": [
        {
          "name": "in vitro fertilization (IVF/ICSI)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "New Hope Fertility Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "38 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 38 Years · Female only"
      },
      "enrollment_count": 564,
      "start_date": "2008-12",
      "completion_date": "2014-10",
      "has_results": false,
      "last_update_posted_date": "2015-12-24",
      "last_synced_at": "2026-09-04T07:56:13.603Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00799929"
    },
    {
      "nct_id": "NCT03371745",
      "title": "The PrISICE Clinical Trial (Pre-Implantation Screening and Investigation on the Cryopreservation of Embryos)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Infertility"
      ],
      "interventions": [
        {
          "name": "Trophectoderm biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Cryopreservation",
          "type": "PROCEDURE"
        },
        {
          "name": "Embryo Transfer",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "42 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 42 Years · Female only"
      },
      "enrollment_count": 32,
      "start_date": "2018-08-21",
      "completion_date": "2019-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-10-03",
      "last_synced_at": "2026-09-04T07:56:13.603Z",
      "location_count": 3,
      "location_summary": "San Francisco, California • Oklahoma City, Oklahoma • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03371745"
    },
    {
      "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": "2026-09-04T07:56:13.603Z",
      "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": "2026-09-04T07:56:13.603Z",
      "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": "2026-09-04T07:56:13.603Z",
      "location_count": 1,
      "location_summary": "Hasbrouck Heights, New Jersey",
      "locations": [
        {
          "city": "Hasbrouck Heights",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00839839"
    },
    {
      "nct_id": "NCT01247987",
      "title": "Comparison of Transfers of Thawed Blastocysts Versus Blastocysts Derived From Thawed Bipronuclear Oocytes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Infertility"
      ],
      "interventions": [
        {
          "name": "Blastocyst cryopreservation",
          "type": "PROCEDURE"
        },
        {
          "name": "Bipronuclear oocyte cryopreservation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Bruce Shapiro M.D.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 140,
      "start_date": "2010-12",
      "completion_date": "2015-04",
      "has_results": false,
      "last_update_posted_date": "2015-05-01",
      "last_synced_at": "2026-09-04T07:56:13.603Z",
      "location_count": 1,
      "location_summary": "Las Vegas, Nevada",
      "locations": [
        {
          "city": "Las Vegas",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01247987"
    },
    {
      "nct_id": "NCT01035099",
      "title": "RCT of Fixed vs Titrated Letrozole in Breast Cancer Patient Undergoing IVF",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Breast Cancer",
        "Infertility"
      ],
      "interventions": [
        {
          "name": "Letrozole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "19 Years to 45 Years · Female only"
      },
      "enrollment_count": 41,
      "start_date": "2009-11",
      "completion_date": "2022-09-30",
      "has_results": true,
      "last_update_posted_date": "2022-12-13",
      "last_synced_at": "2026-09-04T07:56:13.603Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01035099"
    }
  ]
}