{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+matching+oral+contraceptive",
    "query": {
      "intervention": "Placebo matching oral contraceptive"
    },
    "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": "2026-09-30T03:17:21.926Z",
  "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": "NCT00656981",
      "title": "Evaluate Safety and Efficacy of an Oral Contraceptive (OC) Preparation Versus Placebo for 6 Treatment Cycles in Women With Moderate Acne",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Acne Vulgaris"
      ],
      "interventions": [
        {
          "name": "YAZ (DRSP 3 mg/EE 0.02 mg, BAY86-5300)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "14 Years to 45 Years · Female only"
      },
      "enrollment_count": 541,
      "start_date": "2003-01",
      "completion_date": "2004-06",
      "has_results": false,
      "last_update_posted_date": "2014-12-30",
      "last_synced_at": "2026-09-30T03:17:21.926Z",
      "location_count": 22,
      "location_summary": "Mobile, Alabama • Kingman, Arizona • Encino, California + 18 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Kingman",
          "state": "Arizona"
        },
        {
          "city": "Encino",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00656981"
    },
    {
      "nct_id": "NCT00781456",
      "title": "A Multicenter Study to Evaluate the Efficacy of a 91-Day Extended Cycle Oral Contraceptive for Menstrually-Related Migraine Headaches",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Migraine"
      ],
      "interventions": [
        {
          "name": "91-day Levonorgestrel Oral Contraceptive",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Duramed Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "34 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 34 Years · Female only"
      },
      "enrollment_count": 109,
      "start_date": "2009-01",
      "completion_date": "2011-08",
      "has_results": true,
      "last_update_posted_date": "2017-02-06",
      "last_synced_at": "2026-09-30T03:17:21.926Z",
      "location_count": 22,
      "location_summary": "La Mesa, California • San Diego, California • San Francisco, California + 18 more",
      "locations": [
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00781456"
    },
    {
      "nct_id": "NCT00920985",
      "title": "US Cycle Control and Blood Pressure Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Contraception"
      ],
      "interventions": [
        {
          "name": "Gestodene/EE (FC Patch Low, BAY86-5016)",
          "type": "DRUG"
        },
        {
          "name": "Oral contraceptive (equivalent to the active treatment tablets of Levlite), 21-day blister SH D00593A",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "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": 346,
      "start_date": "2009-06",
      "completion_date": "2010-09",
      "has_results": false,
      "last_update_posted_date": "2015-10-09",
      "last_synced_at": "2026-09-30T03:17:21.926Z",
      "location_count": 28,
      "location_summary": "Chandler, Arizona • Glendale, Arizona • Phoenix, Arizona + 25 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00920985"
    },
    {
      "nct_id": "NCT01116440",
      "title": "A Safety & Efficacy Study of BGS649 in Women With Refractory Endometriosis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pelvic Pain Associated With Refractory Endometriosis"
      ],
      "interventions": [
        {
          "name": "BGS649",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mereo BioPharma",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 49 Years · Female only"
      },
      "enrollment_count": 27,
      "start_date": "2010-04-15",
      "completion_date": "2012-03-21",
      "has_results": true,
      "last_update_posted_date": "2020-11-23",
      "last_synced_at": "2026-09-30T03:17:21.926Z",
      "location_count": 42,
      "location_summary": "Mobile, Alabama • Phoenix, Arizona • Jonesboro, Arkansas + 36 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "New Britain",
          "state": "Connecticut"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01116440"
    },
    {
      "nct_id": "NCT04142762",
      "title": "A Study to Assess CYP3A4 Modulator, Oral Contraceptive, and pH Modifier Drug Interactions for ABI-H2158 in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Chronic Hepatitis B"
      ],
      "interventions": [
        {
          "name": "ABI-H2158",
          "type": "DRUG"
        },
        {
          "name": "Itraconazole",
          "type": "DRUG"
        },
        {
          "name": "Rifampin",
          "type": "DRUG"
        },
        {
          "name": "Midazolam",
          "type": "DRUG"
        },
        {
          "name": "Ethinyl Estradiol / Levonorgestrel",
          "type": "DRUG"
        },
        {
          "name": "Esomeprazole",
          "type": "DRUG"
        },
        {
          "name": "Placebo matching oral contraceptive",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Assembly Biosciences",
      "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": 80,
      "start_date": "2019-10-18",
      "completion_date": "2020-01-29",
      "has_results": false,
      "last_update_posted_date": "2020-03-04",
      "last_synced_at": "2026-09-30T03:17:21.926Z",
      "location_count": 1,
      "location_summary": "Tempe, Arizona",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04142762"
    },
    {
      "nct_id": "NCT00909857",
      "title": "Effect on Primary Dysmenorrhea",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Primary Dysmenorrhea"
      ],
      "interventions": [
        {
          "name": "Estradiol valerate, Dienogest (Natazia, Qlaira, BAY86-5027)",
          "type": "DRUG"
        },
        {
          "name": "Ethinyl estradiol, Levonorgestrel (Miranova)",
          "type": "DRUG"
        },
        {
          "name": "Placebo Match to SH T00658ID",
          "type": "DRUG"
        },
        {
          "name": "Placebo Match to SH D593B",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "14 Years to 50 Years · Female only"
      },
      "enrollment_count": 507,
      "start_date": "2009-04",
      "completion_date": "2010-11",
      "has_results": true,
      "last_update_posted_date": "2015-08-24",
      "last_synced_at": "2026-09-30T03:17:21.926Z",
      "location_count": 10,
      "location_summary": "Tucson, Arizona • San Diego, California • Hialeah, Florida + 7 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Leesburg",
          "state": "Florida"
        },
        {
          "city": "Sandy Springs",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00909857"
    },
    {
      "nct_id": "NCT00651469",
      "title": "Evaluate Safety and Efficacy of an OC Preparation vs Placebo for 6 Treatment Cycles in Women With Moderate Acne.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Acne Vulgaris"
      ],
      "interventions": [
        {
          "name": "YAZ (DRSP 3 mg/EE 0.02 mg, BAY86-5300)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "14 Years to 45 Years · Female only"
      },
      "enrollment_count": 534,
      "start_date": "2003-01",
      "completion_date": "2004-07",
      "has_results": false,
      "last_update_posted_date": "2014-12-30",
      "last_synced_at": "2026-09-30T03:17:21.926Z",
      "location_count": 27,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Mesa, Arizona + 23 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00651469"
    }
  ]
}