{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Epelsiban",
    "query": {
      "intervention": "Epelsiban"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 7,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-06T07:14:43.994Z",
  "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": "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": "2026-09-06T07:14:43.994Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02703181"
    },
    {
      "nct_id": "NCT01021553",
      "title": "A Study To Evaluate the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of Two Oral Doses of GSK557296 in a Study in Men With Premature Ejaculation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Premature Ejaculation"
      ],
      "interventions": [
        {
          "name": "GSK557296",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "MALE",
        "summary": "18 Years to 50 Years · Male only"
      },
      "enrollment_count": 77,
      "start_date": "2009-12-23",
      "completion_date": "2011-05-05",
      "has_results": true,
      "last_update_posted_date": "2017-09-12",
      "last_synced_at": "2026-09-06T07:14:43.994Z",
      "location_count": 6,
      "location_summary": "San Diego, California • San Jose, California • Fort Wayne, Indiana + 3 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Jose",
          "state": "California"
        },
        {
          "city": "Fort Wayne",
          "state": "Indiana"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Bala-Cynwyd",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01021553"
    },
    {
      "nct_id": "NCT02794467",
      "title": "Placebo-controlled Proof of Concept Study of Epelsiban in Women With Adenomyosis",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Adenomyosis"
      ],
      "interventions": [
        {
          "name": "Epelsiban",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 55 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2016-07",
      "completion_date": "2016-10",
      "has_results": false,
      "last_update_posted_date": "2017-01-18",
      "last_synced_at": "2026-09-06T07:14:43.994Z",
      "location_count": 13,
      "location_summary": "Washington D.C., District of Columbia • West Palm Beach, Florida • Champaign, Illinois + 10 more",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "West Palm Beach",
          "state": "Florida"
        },
        {
          "city": "Champaign",
          "state": "Illinois"
        },
        {
          "city": "Mandeville",
          "state": "Louisiana"
        },
        {
          "city": "Metairie",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02794467"
    },
    {
      "nct_id": "NCT02213029",
      "title": "A Study to Evaluate Pharmacokinetics, Pharmacodynamics and Tissue Concentrations of Epelsiban",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Embryo Transfer"
      ],
      "interventions": [
        {
          "name": "Epelsiban",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Oxytocin",
          "type": "DRUG"
        },
        {
          "name": "Ortho-Cylcen (21)® tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 33,
      "start_date": "2014-08-28",
      "completion_date": "2016-02-07",
      "has_results": false,
      "last_update_posted_date": "2017-05-08",
      "last_synced_at": "2026-09-06T07:14:43.994Z",
      "location_count": 2,
      "location_summary": "Glendale, California • Baltimore, Maryland",
      "locations": [
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02213029"
    },
    {
      "nct_id": "NCT01669083",
      "title": "Study to Evaluate the Pharmacokinetics, Safety and Tolerability of GSK557296 in Healthy Women Volunteers After Single and Repeat Dosing",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Embryo Transfer"
      ],
      "interventions": [
        {
          "name": "GSK557296 10 mg",
          "type": "DRUG"
        },
        {
          "name": "GSK557296 150 mg",
          "type": "DRUG"
        },
        {
          "name": "GSK557296 dose 3",
          "type": "DRUG"
        },
        {
          "name": "GSK557296 dose 4",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 36,
      "start_date": "2012-08-16",
      "completion_date": "2013-03-09",
      "has_results": false,
      "last_update_posted_date": "2017-06-07",
      "last_synced_at": "2026-09-06T07:14:43.994Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01669083"
    },
    {
      "nct_id": "NCT00549211",
      "title": "A First Time in Human Study in Healthy Male Volunteers for Compound GSK557296.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Obstetric Labour, Premature",
        "Premature Ejaculation"
      ],
      "interventions": [
        {
          "name": "GSK557296",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "MALE",
        "summary": "18 Years to 45 Years · Male only"
      },
      "enrollment_count": 42,
      "start_date": "2007-10",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2012-03-19",
      "last_synced_at": "2026-09-06T07:14:43.994Z",
      "location_count": 1,
      "location_summary": "Evansville, Indiana",
      "locations": [
        {
          "city": "Evansville",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00549211"
    },
    {
      "nct_id": "NCT02257359",
      "title": "Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of Epelsiban in Healthy Female Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Embryo Transfer"
      ],
      "interventions": [
        {
          "name": "Epelsiban",
          "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": 12,
      "start_date": "2014-12-18",
      "completion_date": "2015-01-29",
      "has_results": false,
      "last_update_posted_date": "2018-09-13",
      "last_synced_at": "2026-09-06T07:14:43.994Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02257359"
    }
  ]
}