{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ulipristal+acetate+%28UPA%29",
    "query": {
      "intervention": "Ulipristal acetate (UPA)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 12,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ulipristal+acetate+%28UPA%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-05T09:57:32.993Z",
  "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": "NCT05216952",
      "title": "Ulipristal Acetate for Use in Early Pregnancy Loss",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Missed Abortion",
        "Anembryonic Pregnancy",
        "Non-Viable Pregnancy"
      ],
      "interventions": [
        {
          "name": "Ulipristal Acetate Tablets",
          "type": "DRUG"
        },
        {
          "name": "Misoprostol Pill",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 3,
      "start_date": "2022-05-11",
      "completion_date": "2023-04-30",
      "has_results": true,
      "last_update_posted_date": "2023-06-28",
      "last_synced_at": "2026-10-05T09:57:32.993Z",
      "location_count": 4,
      "location_summary": "Chapel Hill, North Carolina • Hillsborough, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Hillsborough",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05216952"
    },
    {
      "nct_id": "NCT01553123",
      "title": "Efficacy and Safety Study of Ulipristal Acetate in Females With Anemia Associated With Uterine Leiomyoma",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Leiomyomas"
      ],
      "interventions": [
        {
          "name": "Ulipristal Acetate",
          "type": "DRUG"
        },
        {
          "name": "Iron",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Watson Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2012-04",
      "completion_date": "2013-12",
      "has_results": false,
      "last_update_posted_date": "2013-02-07",
      "last_synced_at": "2026-10-05T09:57:32.993Z",
      "location_count": 47,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 41 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01553123"
    },
    {
      "nct_id": "NCT03537768",
      "title": "Study Comparing Emergency Contraception Effectiveness in Women Who Weight ≥ 80 kg",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Contraception"
      ],
      "interventions": [
        {
          "name": "Ulipristal Acetate",
          "type": "DRUG"
        },
        {
          "name": "Levonorgestrel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kimberly Myer",
      "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": 532,
      "start_date": "2018-07-12",
      "completion_date": "2022-04-20",
      "has_results": false,
      "last_update_posted_date": "2025-11-20",
      "last_synced_at": "2026-10-05T09:57:32.993Z",
      "location_count": 18,
      "location_summary": "Los Angeles, California • Sacramento, California • San Francisco, California + 14 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03537768"
    },
    {
      "nct_id": "NCT01953679",
      "title": "Efficacy Study of Two Continuous Regimens of Oral Daily 5 mg or 10 mg of Ulipristal Acetate (UPA), Versus a Dose of 5.0mg UPA for 24/4 Days",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Focus: Estrogen-free Oral Contraception"
      ],
      "interventions": [
        {
          "name": "Ulipristal Acetate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Premier Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 180,
      "start_date": "2014-03",
      "completion_date": "2015-11",
      "has_results": false,
      "last_update_posted_date": "2016-02-22",
      "last_synced_at": "2026-10-05T09:57:32.993Z",
      "location_count": 10,
      "location_summary": "Los Angeles, California • San Francisco, California • Aurora, Colorado + 6 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01953679"
    },
    {
      "nct_id": "NCT03296098",
      "title": "Study of the Safety and Efficacy of Ulipristal Acetate (UPA) Used Daily as a Contraceptive",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Contraception",
        "Healthy Female"
      ],
      "interventions": [
        {
          "name": "Ulipristal acetate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Premier Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2020-12",
      "completion_date": "2022-12",
      "has_results": false,
      "last_update_posted_date": "2025-11-20",
      "last_synced_at": "2026-10-05T09:57:32.993Z",
      "location_count": 18,
      "location_summary": "Los Angeles, California • Sacramento, California • San Francisco, California + 14 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03296098"
    },
    {
      "nct_id": "NCT02577601",
      "title": "Impact of Combined Hormonal Contraceptives on UPA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Contraception"
      ],
      "interventions": [
        {
          "name": "Ulipristal Acetate",
          "type": "DRUG"
        },
        {
          "name": "Levonorgestrel (LNG)/Ethinyl estradiol birth control pill",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 36,
      "start_date": "2015-09-08",
      "completion_date": "2017-06-17",
      "has_results": true,
      "last_update_posted_date": "2019-11-08",
      "last_synced_at": "2026-10-05T09:57:32.993Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02577601"
    },
    {
      "nct_id": "NCT02859337",
      "title": "Effectiveness of Orally Dosed Emergency Contraception in Obese Women - UPA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Obesity",
        "Contraception"
      ],
      "interventions": [
        {
          "name": "UPA-ECx1",
          "type": "DRUG"
        },
        {
          "name": "UPA-ECx2",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 64,
      "start_date": "2017-05-30",
      "completion_date": "2023-11-15",
      "has_results": true,
      "last_update_posted_date": "2024-02-06",
      "last_synced_at": "2026-10-05T09:57:32.993Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02859337"
    },
    {
      "nct_id": "NCT04291001",
      "title": "Ovarian Function With ENG Implant and UPA Use",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Contraception"
      ],
      "interventions": [
        {
          "name": "ENG implant",
          "type": "DEVICE"
        },
        {
          "name": "oral ulipristal acetate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "University of Utah",
      "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": 40,
      "start_date": "2020-09-04",
      "completion_date": "2024-01-12",
      "has_results": true,
      "last_update_posted_date": "2024-07-12",
      "last_synced_at": "2026-10-05T09:57:32.993Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04291001"
    },
    {
      "nct_id": "NCT02689804",
      "title": "EC PK in Women With Normal and Obese BMI",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Contraception"
      ],
      "interventions": [
        {
          "name": "LNG-EC",
          "type": "DRUG"
        },
        {
          "name": "UPA-EC",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Columbia 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": 34,
      "start_date": "2015-07-10",
      "completion_date": "2017-02-03",
      "has_results": true,
      "last_update_posted_date": "2017-07-07",
      "last_synced_at": "2026-10-05T09:57:32.993Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02689804"
    },
    {
      "nct_id": "NCT02922127",
      "title": "Compare Daily Ulipristal Acetate and Combined Oral Contraceptive Effects on Breast Epithelial Cell Proliferation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Contraception"
      ],
      "interventions": [
        {
          "name": "Ulipristal Acetate",
          "type": "DRUG"
        },
        {
          "name": "Combined Oral Contraceptive Pill",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 39 Years · Female only"
      },
      "enrollment_count": 29,
      "start_date": "2016-12-16",
      "completion_date": "2019-10-21",
      "has_results": false,
      "last_update_posted_date": "2020-02-07",
      "last_synced_at": "2026-10-05T09:57:32.993Z",
      "location_count": 2,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02922127"
    }
  ]
}