{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Norethindrone+Acetate&page=2",
    "query": {
      "intervention": "Norethindrone Acetate",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Norethindrone+Acetate&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-27T06:29:37.617Z",
  "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": "NCT05294341",
      "title": "Metabolism of 0.35mg Norethindrone vs 5mg Norethindrone Acetate",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Contraception"
      ],
      "interventions": [
        {
          "name": "Norethindrone Acetate 5 MG",
          "type": "DRUG"
        },
        {
          "name": "Norethindrone 0.35 MG",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Milton S. Hershey Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 55 Years · Female only"
      },
      "enrollment_count": 6,
      "start_date": "2022-07-22",
      "completion_date": "2023-05-01",
      "has_results": true,
      "last_update_posted_date": "2024-07-16",
      "last_synced_at": "2026-09-27T06:29:37.617Z",
      "location_count": 1,
      "location_summary": "Hershey, Pennsylvania",
      "locations": [
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05294341"
    },
    {
      "nct_id": "NCT07766369",
      "title": "A Study to Assess Potential Drug-Drug Interactions of E2086 in Healthy Participants",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "E2086",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eisai Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 93,
      "start_date": "2026-08-12",
      "completion_date": "2026-11-12",
      "has_results": false,
      "last_update_posted_date": "2026-08-14",
      "last_synced_at": "2026-09-27T06:29:37.617Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07766369"
    },
    {
      "nct_id": "NCT06279195",
      "title": "Phenotyping of Idiopathic Pelvic Pain With Real-time Uterine Imaging and Relugolix-Combination Therapy Treatment",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pelvic Pain"
      ],
      "interventions": [
        {
          "name": "Relugolix (40 mg) /estradiol (1 mg)/norethisterone acetate (0.5 mg) oral tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Endeavor Health",
      "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": 0,
      "start_date": "2024-06-01",
      "completion_date": "2025-11-02",
      "has_results": false,
      "last_update_posted_date": "2025-08-28",
      "last_synced_at": "2026-09-27T06:29:37.617Z",
      "location_count": 1,
      "location_summary": "Evanston, Illinois",
      "locations": [
        {
          "city": "Evanston",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06279195"
    },
    {
      "nct_id": "NCT04676061",
      "title": "Effects of a Progestin on Frequent and/or Prolonged Bleeding With Nexplanon™",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Birth Control",
        "Contraception",
        "Implant",
        "Breakthrough Bleeding",
        "Uterine Bleeding"
      ],
      "interventions": [
        {
          "name": "Norethindrone acetate (NTA)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Baylor Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "48 Years",
        "sex": "FEMALE",
        "summary": "14 Years to 48 Years · Female only"
      },
      "enrollment_count": 51,
      "start_date": "2021-02-11",
      "completion_date": "2023-03-10",
      "has_results": false,
      "last_update_posted_date": "2024-02-02",
      "last_synced_at": "2026-09-27T06:29:37.617Z",
      "location_count": 1,
      "location_summary": "Temple, Texas",
      "locations": [
        {
          "city": "Temple",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04676061"
    },
    {
      "nct_id": "NCT06058728",
      "title": "A Study to Evaluate Changes in Hair in Adult Participants Taking Oral Oriahnn Capsules With Heavy Menstrual Bleeding (HMB) Associated With Uterine Fibroids (UF)",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Uterine Fibroids (UF)"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "AbbVie",
      "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": "2023-12-20",
      "completion_date": "2026-08",
      "has_results": false,
      "last_update_posted_date": "2025-09-17",
      "last_synced_at": "2026-09-27T06:29:37.617Z",
      "location_count": 1,
      "location_summary": "Arlington, Virginia",
      "locations": [
        {
          "city": "Arlington",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06058728"
    },
    {
      "nct_id": "NCT00477633",
      "title": "Study of Safety and Efficacy of an Oral Contraceptive",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Contraception"
      ],
      "interventions": [
        {
          "name": "Norethindrone/ethinyl estradiol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Warner Chilcott",
      "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": 1700,
      "start_date": "2007-06",
      "completion_date": "2009-02",
      "has_results": true,
      "last_update_posted_date": "2013-04-22",
      "last_synced_at": "2026-09-27T06:29:37.617Z",
      "location_count": 63,
      "location_summary": "Chandler, Arizona • Phoenix, Arizona • Tempe, Arizona + 53 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00477633"
    },
    {
      "nct_id": "NCT02691494",
      "title": "Efficacy and Safety of Elagolix in Combination With Estradiol/Norethindrone Acetate for the Management of Heavy Menstrual Bleeding Associated With Uterine Fibroids in Premenopausal Women (Replicate Study)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Uterine Fibroids",
        "Heavy Menstrual Bleeding"
      ],
      "interventions": [
        {
          "name": "Elagolix",
          "type": "DRUG"
        },
        {
          "name": "Placebo for Estradiol/Norethindrone Acetate",
          "type": "DRUG"
        },
        {
          "name": "Estradiol/Norethindrone Acetate",
          "type": "DRUG"
        },
        {
          "name": "Placebo for Elagolix",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AbbVie",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "51 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 51 Years · Female only"
      },
      "enrollment_count": 378,
      "start_date": "2016-02-03",
      "completion_date": "2019-01-23",
      "has_results": true,
      "last_update_posted_date": "2021-07-13",
      "last_synced_at": "2026-09-27T06:29:37.617Z",
      "location_count": 103,
      "location_summary": "Birmingham, Alabama • Dothan, Alabama • Fairhope, Alabama + 89 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Fairhope",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02691494"
    },
    {
      "nct_id": "NCT05916469",
      "title": "Heavy Menstrual Bleeding Progestin Treatment in Bleeding Disorders Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heavy Menstrual Bleeding",
        "Bleeding Disorder",
        "Von Willebrand Diseases"
      ],
      "interventions": [
        {
          "name": "Levonorgestrel Intrauterine System",
          "type": "DRUG"
        },
        {
          "name": "Norethindrone Acetate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "24 Years",
        "sex": "FEMALE",
        "summary": "10 Years to 24 Years · Female only"
      },
      "enrollment_count": 300,
      "start_date": "2025-09-24",
      "completion_date": "2029-06",
      "has_results": false,
      "last_update_posted_date": "2025-12-17",
      "last_synced_at": "2026-09-27T06:29:37.617Z",
      "location_count": 9,
      "location_summary": "Palo Alto, California • Aurora, Colorado • Atlanta, Georgia + 5 more",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05916469"
    },
    {
      "nct_id": "NCT03049735",
      "title": "LIBERTY 1: Efficacy & Safety Study of Relugolix in Women With Heavy Menstrual Bleeding Associated With Uterine Fibroids",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Heavy Menstrual Bleeding",
        "Uterine Fibroid"
      ],
      "interventions": [
        {
          "name": "Relugolix",
          "type": "DRUG"
        },
        {
          "name": "Estradiol/norethindrone acetate",
          "type": "DRUG"
        },
        {
          "name": "Estradiol/norethindrone acetate placebo",
          "type": "DRUG"
        },
        {
          "name": "Relugolix placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Myovant Sciences GmbH",
      "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": 388,
      "start_date": "2017-04-26",
      "completion_date": "2020-08-24",
      "has_results": true,
      "last_update_posted_date": "2022-04-19",
      "last_synced_at": "2026-09-27T06:29:37.617Z",
      "location_count": 76,
      "location_summary": "Andalusia, Alabama • Mobile, Alabama • Little Rock, Arkansas + 62 more",
      "locations": [
        {
          "city": "Andalusia",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "Lomita",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03049735"
    },
    {
      "nct_id": "NCT01343368",
      "title": "Preservation of Ovarian Function After Hematopoietic Cell Transplant",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Multiple Myeloma",
        "Non-Hodgkin Lymphoma",
        "Hodgkin Disease",
        "Acute Myeloid Leukemia",
        "Myeloproliferative Disorders"
      ],
      "interventions": [
        {
          "name": "Leuprolide",
          "type": "DRUG"
        },
        {
          "name": "hematopoietic cell transplant",
          "type": "BIOLOGICAL"
        },
        {
          "name": "reduced intensity allogeneic HCT",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "50 Years and older · Female only"
      },
      "enrollment_count": 19,
      "start_date": "2011-07",
      "completion_date": "2015-04",
      "has_results": true,
      "last_update_posted_date": "2017-12-05",
      "last_synced_at": "2026-09-27T06:29:37.617Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01343368"
    }
  ]
}