{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=combined+oral+contraceptives&page=5",
    "query": {
      "intervention": "combined oral contraceptives",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 140,
    "total_pages": 14,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=combined+oral+contraceptives&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=combined+oral+contraceptives&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-10T13:16:08.712Z",
  "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": "NCT02367846",
      "title": "Assessing the Impact of Contraceptives on Bone Health Using 41Ca",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Other Disorders of Bone Development and Growth"
      ],
      "interventions": [
        {
          "name": "Combined Oral Contraceptive (COC)",
          "type": "DRUG"
        },
        {
          "name": "Contraceptive Vaginal Ring (CVR)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Penn State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "25 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 25 Years · Female only"
      },
      "enrollment_count": 6,
      "start_date": "2015-01",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-06",
      "last_synced_at": "2026-10-10T13:16:08.712Z",
      "location_count": 1,
      "location_summary": "University Park, Pennsylvania",
      "locations": [
        {
          "city": "University Park",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02367846"
    },
    {
      "nct_id": "NCT02531321",
      "title": "Protease Inhibitors and Combined Oral Contraceptive Pharmacokinetics and Pharmacodynamics",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Contraception",
        "HIV"
      ],
      "interventions": [
        {
          "name": "Levonorgestrel and Ethinyl Estradiol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Southern California",
      "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": 17,
      "start_date": "2015-08",
      "completion_date": "2016-11-01",
      "has_results": true,
      "last_update_posted_date": "2019-05-31",
      "last_synced_at": "2026-10-10T13:16:08.712Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02531321"
    },
    {
      "nct_id": "NCT06793943",
      "title": "A Study of Interaction of Zasocitinib (TAK-279) With Other Medicines in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Zasocitinib",
          "type": "DRUG"
        },
        {
          "name": "COC",
          "type": "DRUG"
        },
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Digoxin",
          "type": "DRUG"
        },
        {
          "name": "Esomeprazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Takeda",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 78,
      "start_date": "2025-01-23",
      "completion_date": "2025-03-30",
      "has_results": false,
      "last_update_posted_date": "2025-04-04",
      "last_synced_at": "2026-10-10T13:16:08.712Z",
      "location_count": 1,
      "location_summary": "Tempe, Arizona",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06793943"
    },
    {
      "nct_id": "NCT01252186",
      "title": "A Multicenter Study to Evaluate the Effects of a 91-Day Extended Cycle Oral Contraceptive on Hemostatic Parameters in Healthy Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hemostasis",
        "Oral Contraceptive"
      ],
      "interventions": [
        {
          "name": "91-day Levonorgestrel Oral Contraceptive",
          "type": "DRUG"
        },
        {
          "name": "28-day Levonorgestrel Oral Contraceptive",
          "type": "DRUG"
        },
        {
          "name": "28-day Desogestrel Oral Contraceptive",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Teva Women's Health",
      "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": 265,
      "start_date": "2010-11",
      "completion_date": "2011-12",
      "has_results": true,
      "last_update_posted_date": "2015-03-13",
      "last_synced_at": "2026-10-10T13:16:08.712Z",
      "location_count": 21,
      "location_summary": "San Diego, California • Washington D.C., District of Columbia • Miami, Florida + 16 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01252186"
    },
    {
      "nct_id": "NCT04396730",
      "title": "Cannabidiol and Oral Contraceptive Pills: Exploring a Drug-Drug Interaction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Contraception"
      ],
      "interventions": [
        {
          "name": "Cannabidiol Oil",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Combined oral contraceptive 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": 9,
      "start_date": "2020-04-08",
      "completion_date": "2022-03-02",
      "has_results": false,
      "last_update_posted_date": "2023-07-11",
      "last_synced_at": "2026-10-10T13:16:08.712Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04396730"
    },
    {
      "nct_id": "NCT01165307",
      "title": "Medical Therapy Versus Radiofrequency Endometrial Ablation in the Initial Treatment of Menorrhagia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Menorrhagia"
      ],
      "interventions": [
        {
          "name": "Estradiol 30mcg / Levonorgestrel 150mcg monophasic oral contraceptive pills",
          "type": "DRUG"
        },
        {
          "name": "Naproxen sodium pills",
          "type": "DRUG"
        },
        {
          "name": "NovaSure® Radiofrequency Endometrial Ablation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Abimbola Famuyide",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "30 Years to 55 Years · Female only"
      },
      "enrollment_count": 77,
      "start_date": "2009-08",
      "completion_date": "2015-10",
      "has_results": true,
      "last_update_posted_date": "2017-01-20",
      "last_synced_at": "2026-10-10T13:16:08.712Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01165307"
    },
    {
      "nct_id": "NCT00117273",
      "title": "A Study to Evaluate Suppression of the Pituitary-Ovarian Axis With Three Different Oral Contraceptive Regimens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Seasonale [levonorgestrel (LNG)/ethinyl estradiol (EE)]",
          "type": "DRUG"
        },
        {
          "name": "Seasonique (LNG/EE and EE)",
          "type": "DRUG"
        },
        {
          "name": "Portia (LNG/EE)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Duramed Research",
      "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": 36,
      "start_date": "2005-06",
      "completion_date": "2006-06",
      "has_results": false,
      "last_update_posted_date": "2014-05-09",
      "last_synced_at": "2026-10-10T13:16:08.712Z",
      "location_count": 1,
      "location_summary": "Temple, Texas",
      "locations": [
        {
          "city": "Temple",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00117273"
    },
    {
      "nct_id": "NCT02036879",
      "title": "Gender Disparity and Hormones in Cystic Fibrosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Cystic Fibrosis (CF)"
      ],
      "interventions": [
        {
          "name": "Loestrin (norethindrone acetate and ethinyl estradiol)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 55,
      "start_date": "2014-02",
      "completion_date": "2018-08",
      "has_results": false,
      "last_update_posted_date": "2020-08-31",
      "last_synced_at": "2026-10-10T13:16:08.712Z",
      "location_count": 2,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02036879"
    },
    {
      "nct_id": "NCT00042289",
      "title": "Pharmacokinetic Study of Antiretroviral Drugs and Related Drugs During and After Pregnancy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "atazanavir/cobicistat",
          "type": "DRUG"
        },
        {
          "name": "darunavir/ritonavir dosage #1",
          "type": "DRUG"
        },
        {
          "name": "darunavir/ritonavir dosage #2",
          "type": "DRUG"
        },
        {
          "name": "darunavir/ritonavir dosage #3",
          "type": "DRUG"
        },
        {
          "name": "elvitegravir/cobicistat",
          "type": "DRUG"
        },
        {
          "name": "dolutegravir",
          "type": "DRUG"
        },
        {
          "name": "tenofovir alafenamide fumarate (TAF)",
          "type": "DRUG"
        },
        {
          "name": "TAF w/cobicistat",
          "type": "DRUG"
        },
        {
          "name": "TAF w/cobicistat or ritonavir",
          "type": "DRUG"
        },
        {
          "name": "efavirenz",
          "type": "DRUG"
        },
        {
          "name": "darunavir/cobicistat",
          "type": "DRUG"
        },
        {
          "name": "lopinavir/ritonavir dosage #1",
          "type": "DRUG"
        },
        {
          "name": "atazanavir/ritonavir/tenofovir dosage #1",
          "type": "DRUG"
        },
        {
          "name": "rifampicin",
          "type": "DRUG"
        },
        {
          "name": "ethambutol",
          "type": "DRUG"
        },
        {
          "name": "isoniazid",
          "type": "DRUG"
        },
        {
          "name": "pyrazinamide",
          "type": "DRUG"
        },
        {
          "name": "kanamycin",
          "type": "DRUG"
        },
        {
          "name": "amikacin",
          "type": "DRUG"
        },
        {
          "name": "capreomycin",
          "type": "DRUG"
        },
        {
          "name": "moxifloxacin",
          "type": "DRUG"
        },
        {
          "name": "levoflaxacin",
          "type": "DRUG"
        },
        {
          "name": "ofloxacin",
          "type": "DRUG"
        },
        {
          "name": "ethionamide/prothionamide",
          "type": "DRUG"
        },
        {
          "name": "terizidone/cycloserine",
          "type": "DRUG"
        },
        {
          "name": "para-aminosalicylic acid (PAS)",
          "type": "DRUG"
        },
        {
          "name": "high dose INH",
          "type": "DRUG"
        },
        {
          "name": "bedaquiline",
          "type": "DRUG"
        },
        {
          "name": "clofazamine",
          "type": "DRUG"
        },
        {
          "name": "delamanid",
          "type": "DRUG"
        },
        {
          "name": "linezolid",
          "type": "DRUG"
        },
        {
          "name": "pretomanid",
          "type": "DRUG"
        },
        {
          "name": "ethinyl estradiol",
          "type": "DRUG"
        },
        {
          "name": "etonogestrel implant",
          "type": "DRUG"
        },
        {
          "name": "nevirapine",
          "type": "DRUG"
        },
        {
          "name": "amprenavir",
          "type": "DRUG"
        },
        {
          "name": "abacavir",
          "type": "DRUG"
        },
        {
          "name": "lopinavir/ritonavir dosage #2",
          "type": "DRUG"
        },
        {
          "name": "indinavir/ritonavir dosage #1",
          "type": "DRUG"
        },
        {
          "name": "fosamprenavir/ritonavir",
          "type": "DRUG"
        },
        {
          "name": "lopinavir/ritonavir dosage #3",
          "type": "DRUG"
        },
        {
          "name": "atazanavir/ritonavir dosage #1",
          "type": "DRUG"
        },
        {
          "name": "didanosine delayed release (Videx® EC)",
          "type": "DRUG"
        },
        {
          "name": "emtricitabine",
          "type": "DRUG"
        },
        {
          "name": "tenofovir",
          "type": "DRUG"
        },
        {
          "name": "nelfinavir dosage #1",
          "type": "DRUG"
        },
        {
          "name": "tipranavir/ritonavir",
          "type": "DRUG"
        },
        {
          "name": "lopinavir/ritonavir dosage #4",
          "type": "DRUG"
        },
        {
          "name": "raltegravir",
          "type": "DRUG"
        },
        {
          "name": "etravirine",
          "type": "DRUG"
        },
        {
          "name": "maraviroc",
          "type": "DRUG"
        },
        {
          "name": "atazanavir/ritonavir dosage #2",
          "type": "DRUG"
        },
        {
          "name": "tenofovir/atazanavir/ritonavir dosage #2",
          "type": "DRUG"
        },
        {
          "name": "nelfinavir dosage #2",
          "type": "DRUG"
        },
        {
          "name": "indinavir/ritonavir dosage #2",
          "type": "DRUG"
        },
        {
          "name": "rilpivirine",
          "type": "DRUG"
        },
        {
          "name": "darunavir/ritonavir dosage #4",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1578,
      "start_date": "2003-06-09",
      "completion_date": "2020-09-30",
      "has_results": true,
      "last_update_posted_date": "2025-12-02",
      "last_synced_at": "2026-10-10T13:16:08.712Z",
      "location_count": 39,
      "location_summary": "Birmingham, Alabama • La Jolla, California • Long Beach, California + 26 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00042289"
    },
    {
      "nct_id": "NCT05002738",
      "title": "Desogestrel-containing COCP Pharmacokinetic Validation Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Contraception"
      ],
      "interventions": [
        {
          "name": "Desogestrel and Ethinyl Estradiol Tablets",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "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": 22,
      "start_date": "2021-09-10",
      "completion_date": "2022-11-28",
      "has_results": true,
      "last_update_posted_date": "2025-05-30",
      "last_synced_at": "2026-10-10T13:16:08.712Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05002738"
    }
  ]
}