{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Embryo+Transfer",
    "query": {
      "condition": "Embryo Transfer"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 72,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Embryo+Transfer&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-26T22:47:50.677Z",
  "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": "NCT03558399",
      "title": "Frozen Blastocyst Transfer Using Conventional Timing Versus Timing by Endometrial Receptivity Analysis",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Implantation Failure",
        "Infertility, Female"
      ],
      "interventions": [
        {
          "name": "FET according to ERA",
          "type": "OTHER"
        },
        {
          "name": "FET according to standard protocol",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Shady Grove Fertility Reproductive Science Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "30 Years to 40 Years · Female only"
      },
      "enrollment_count": 800,
      "start_date": "2018-04-25",
      "completion_date": "2021-09-23",
      "has_results": false,
      "last_update_posted_date": "2020-12-03",
      "last_synced_at": "2026-06-26T22:47:50.677Z",
      "location_count": 1,
      "location_summary": "Rockville, Maryland",
      "locations": [
        {
          "city": "Rockville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03558399"
    },
    {
      "nct_id": "NCT02703181",
      "title": "Dose Escalation Study to Evaluate the Pharmacokinetics, Safety, and Tolerability of Epelsiban Administered in Repeat Doses in Healthy Women Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Embryo Transfer"
      ],
      "interventions": [
        {
          "name": "Epelsiban (GSK557296)",
          "type": "DRUG"
        },
        {
          "name": "Placebo to match GSK557296",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 55 Years · Female only"
      },
      "enrollment_count": 31,
      "start_date": "2015-07-09",
      "completion_date": "2015-09-10",
      "has_results": false,
      "last_update_posted_date": "2018-09-13",
      "last_synced_at": "2026-06-26T22:47:50.677Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02703181"
    },
    {
      "nct_id": "NCT01058382",
      "title": "Progesterone Support of FET",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Frozen Embryo Pregnancy Rate"
      ],
      "interventions": [
        {
          "name": "Progesterone Vaginal Suppositories",
          "type": "DRUG"
        },
        {
          "name": "Intramuscular Progesterone-in-Oil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Charles Coddington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "20 Years to 50 Years · Female only"
      },
      "enrollment_count": 57,
      "start_date": "2010-02",
      "completion_date": "2012-10",
      "has_results": false,
      "last_update_posted_date": "2013-05-10",
      "last_synced_at": "2026-06-26T22:47:50.677Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01058382"
    },
    {
      "nct_id": "NCT04472156",
      "title": "A Prospective Study of a Mosaic Embryo Transfer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Infertility"
      ],
      "interventions": [
        {
          "name": "Transfer of mosaic embryo",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Colorado Center for Reproductive Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 250,
      "start_date": "2020-10-15",
      "completion_date": "2026-12-15",
      "has_results": false,
      "last_update_posted_date": "2024-02-29",
      "last_synced_at": "2026-06-26T22:47:50.677Z",
      "location_count": 1,
      "location_summary": "Lone Tree, Colorado",
      "locations": [
        {
          "city": "Lone Tree",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04472156"
    },
    {
      "nct_id": "NCT07134920",
      "title": "Norethindrone Impact on Receptiva Outcomes",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Infertility (IVF Patients)",
        "Infertility Female"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Inception Fertility Research Institute, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 99,
      "start_date": "2025-08-12",
      "completion_date": "2025-12-19",
      "has_results": false,
      "last_update_posted_date": "2026-04-15",
      "last_synced_at": "2026-06-26T22:47:50.677Z",
      "location_count": 1,
      "location_summary": "Bryn Mawr, Pennsylvania",
      "locations": [
        {
          "city": "Bryn Mawr",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07134920"
    },
    {
      "nct_id": "NCT06139757",
      "title": "Sleep Length and Euploid Embryo Transfer Prospective Study",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Infertility, Female"
      ],
      "interventions": [
        {
          "name": "Oura ring",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 150,
      "start_date": "2024-01-17",
      "completion_date": "2025-07-31",
      "has_results": false,
      "last_update_posted_date": "2024-02-07",
      "last_synced_at": "2026-06-26T22:47:50.677Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06139757"
    },
    {
      "nct_id": "NCT06373237",
      "title": "Outcome of Embryos Transferred After Initial Chaotic Results on PGT-A",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Infertility"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Inception Fertility Research Institute, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 600,
      "start_date": "2024-03-26",
      "completion_date": "2025-04-28",
      "has_results": false,
      "last_update_posted_date": "2025-07-20",
      "last_synced_at": "2026-06-26T22:47:50.677Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06373237"
    },
    {
      "nct_id": "NCT01854294",
      "title": "GM604 Phase 2A Randomized Double-blind Placebo Controlled Pilot Trial in Amyotrophic Lateral Disease (ALS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Amyotrophic Lateral Sclerosis"
      ],
      "interventions": [
        {
          "name": "GM604",
          "type": "DRUG"
        },
        {
          "name": "Placebo comparator",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Genervon Biopharmaceuticals, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2013-08",
      "completion_date": "2014-07",
      "has_results": false,
      "last_update_posted_date": "2021-04-27",
      "last_synced_at": "2026-06-26T22:47:50.677Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts • New York, New York",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01854294"
    },
    {
      "nct_id": "NCT00736177",
      "title": "Comparison of Transfers of Fresh and Thawed Embryos in Patients With Prior Failed Embryo Transfer Cycles",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Infertility",
        "Subfertility"
      ],
      "interventions": [
        {
          "name": "Embryo cryopreservation",
          "type": "PROCEDURE"
        },
        {
          "name": "Fresh embryo 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": 0,
      "start_date": "2008-08",
      "completion_date": "2009-08",
      "has_results": false,
      "last_update_posted_date": "2014-04-09",
      "last_synced_at": "2026-06-26T22:47:50.677Z",
      "location_count": 1,
      "location_summary": "Las Vegas, Nevada",
      "locations": [
        {
          "city": "Las Vegas",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00736177"
    },
    {
      "nct_id": "NCT06026553",
      "title": "Assessing Ketorolac (Toradol) at Oocyte Retrieval",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Infertility",
        "Infertility, Female",
        "Oocyte Retrieval",
        "Postoperative Pain",
        "Embryo Transfer"
      ],
      "interventions": [
        {
          "name": "Ketorolac (Toradol)",
          "type": "DRUG"
        },
        {
          "name": "Placebo (saline)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Shady Grove Fertility Reproductive Science Center",
      "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": 400,
      "start_date": "2022-08-10",
      "completion_date": "2025-01",
      "has_results": false,
      "last_update_posted_date": "2023-09-07",
      "last_synced_at": "2026-06-26T22:47:50.677Z",
      "location_count": 2,
      "location_summary": "Rockville, Maryland • Fairfax, Virginia",
      "locations": [
        {
          "city": "Rockville",
          "state": "Maryland"
        },
        {
          "city": "Fairfax",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06026553"
    }
  ]
}