{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Levonorgestrel+%28LNG%29&page=3",
    "query": {
      "intervention": "Levonorgestrel (LNG)",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 78,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Levonorgestrel+%28LNG%29&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Levonorgestrel+%28LNG%29&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T11:01:22.313Z",
  "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": "NCT02855346",
      "title": "PK and Safety Study of Vaginal Rings Containing Dapivirine and Levonorgestrel",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Prevention"
      ],
      "interventions": [
        {
          "name": "200 mg of DPV + 320 mg LNG",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "200 mg of DPV",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "International Partnership for Microbicides, Inc.",
      "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": 24,
      "start_date": "2017-05-03",
      "completion_date": "2017-08-18",
      "has_results": false,
      "last_update_posted_date": "2018-05-22",
      "last_synced_at": "2026-10-07T11:01:22.313Z",
      "location_count": 2,
      "location_summary": "Birmingham, Alabama • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02855346"
    },
    {
      "nct_id": "NCT07539090",
      "title": "Evaluate the Effect of Vimseltinib on Pharmacokinetics of Combined Oral Contraceptive (Ethinyl Estradiol/Levonorgestrel)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Participants"
      ],
      "interventions": [
        {
          "name": "Vimseltinib",
          "type": "DRUG"
        },
        {
          "name": "Combined Oral Contraceptive (COC) (ethinyl estradiol [EE]/levonorgestrel [LNG])",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Deciphera Pharmaceuticals, LLC",
      "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": 24,
      "start_date": "2026-06-05",
      "completion_date": "2026-10",
      "has_results": false,
      "last_update_posted_date": "2026-09-03",
      "last_synced_at": "2026-10-07T11:01:22.313Z",
      "location_count": 1,
      "location_summary": "Saint Paul, Minnesota",
      "locations": [
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07539090"
    },
    {
      "nct_id": "NCT02357368",
      "title": "Impact of Hormonal Contraception on HIV Acquisition and Transmission Risk",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "HIV",
        "Contraception"
      ],
      "interventions": [
        {
          "name": "Depot medroxyprogesterone acetate (DMPA)",
          "type": "DRUG"
        },
        {
          "name": "Etonogestrel implant (Eng-Implant)",
          "type": "DEVICE"
        },
        {
          "name": "Levonorgestrel intrauterine device (Lng-IUD)",
          "type": "DEVICE"
        },
        {
          "name": "ParaGard® T 380A Intrauterine Copper Contraceptive",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Lisa Haddad",
      "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": 59,
      "start_date": "2015-02",
      "completion_date": "2019-10-23",
      "has_results": true,
      "last_update_posted_date": "2020-11-18",
      "last_synced_at": "2026-10-07T11:01:22.313Z",
      "location_count": 4,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02357368"
    },
    {
      "nct_id": "NCT07739589",
      "title": "A Postmarketing Open-Label Study to Assess Residual Levonorgestrel (LNG) and Ethinyl Estradiol (EE) Content of TWIRLA® (Levonorgestrel and Ethinyl Estradiol) Transdermal System",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Residual Drug Amount of EE and LNG"
      ],
      "interventions": [
        {
          "name": "Twirla® (Levonorgestrel/Ethinyl Estradiol) Transdermal System",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Insud Pharma",
      "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": 28,
      "start_date": "2021-10-25",
      "completion_date": "2021-11-16",
      "has_results": true,
      "last_update_posted_date": "2026-08-27",
      "last_synced_at": "2026-10-07T11:01:22.313Z",
      "location_count": 1,
      "location_summary": "Fair Lawn, New Jersey",
      "locations": [
        {
          "city": "Fair Lawn",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07739589"
    },
    {
      "nct_id": "NCT00131885",
      "title": "Effects of St. John's Wort on the Oral Contraceptive Hormone Levonorgestrel",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Contraception"
      ],
      "interventions": [
        {
          "name": "Placebo Control (Placebo Herb)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "St. John's Wort",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Levonorgestrel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 30 Years · Female only"
      },
      "enrollment_count": 36,
      "start_date": "2005-08",
      "completion_date": "2008-05",
      "has_results": true,
      "last_update_posted_date": "2023-11-13",
      "last_synced_at": "2026-10-07T11:01:22.313Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00131885"
    },
    {
      "nct_id": "NCT00996580",
      "title": "A Study to Evaluate the Efficacy and Safety of DR-103 for the Prevention of Pregnancy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pregnancy Prevention"
      ],
      "interventions": [
        {
          "name": "DR-103",
          "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": 3597,
      "start_date": "2009-10",
      "completion_date": "2011-09",
      "has_results": true,
      "last_update_posted_date": "2013-06-24",
      "last_synced_at": "2026-10-07T11:01:22.313Z",
      "location_count": 94,
      "location_summary": "Montgomery, Alabama • Phoenix, Arizona • Tucson, Arizona + 83 more",
      "locations": [
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00996580"
    },
    {
      "nct_id": "NCT00128934",
      "title": "Study Evaluating Combination of Levonorgestrel (LNG) and Ethinyl Estradiol (EE) in Premenstrual Dysphoric Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Menstruation Disturbances",
        "Premenstrual Syndrome"
      ],
      "interventions": [
        {
          "name": "levonorgestrel/ethinyl estradiol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wyeth is now a wholly owned subsidiary of Pfizer",
      "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": 744,
      "start_date": "2005-08",
      "completion_date": "2007-12",
      "has_results": false,
      "last_update_posted_date": "2007-12-27",
      "last_synced_at": "2026-10-07T11:01:22.313Z",
      "location_count": 69,
      "location_summary": "Scottsdale, Arizona • Tucson, Arizona • Jonesboro, Arkansas + 61 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Carmichael",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00128934"
    },
    {
      "nct_id": "NCT06783192",
      "title": "A Drug-Drug Interaction Study of MK 8527 With a Combined Oral Contraceptive (LNG/EE)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Human Immunodeficiency Virus (HIV)",
        "HIV Pre-Exposure Prophylaxis"
      ],
      "interventions": [
        {
          "name": "MK-8527",
          "type": "DRUG"
        },
        {
          "name": "LNG/EE",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 70 Years · Female only"
      },
      "enrollment_count": 14,
      "start_date": "2023-08-14",
      "completion_date": "2023-10-11",
      "has_results": false,
      "last_update_posted_date": "2025-01-20",
      "last_synced_at": "2026-10-07T11:01:22.313Z",
      "location_count": 1,
      "location_summary": "South Miami, Florida",
      "locations": [
        {
          "city": "South Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06783192"
    },
    {
      "nct_id": "NCT00319163",
      "title": "Study Comparing Two Manufacturing Processes for Levonorgestrel 90 mg/Ethinyl Estradiol 20 mg (LNG/EE) in Healthy, Cycling Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "levonorgestrel/ethinyl estradiol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wyeth is now a wholly owned subsidiary of Pfizer",
      "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": 26,
      "start_date": "2006-05",
      "completion_date": "2006-11",
      "has_results": false,
      "last_update_posted_date": "2009-08-07",
      "last_synced_at": "2026-10-07T11:01:22.313Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00319163"
    },
    {
      "nct_id": "NCT01088178",
      "title": "Levonorgestrel-Intrauterine System (LNG-IUS) Insertion in the Postpartum Period",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Contraception"
      ],
      "interventions": [
        {
          "name": "Levonorgestrel Intrauterine System (LNG-IUS: Mirena, Bayer)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "United States Naval Medical Center, Portsmouth",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "16 Years to 45 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2009-11",
      "completion_date": "2010-07",
      "has_results": false,
      "last_update_posted_date": "2025-07-20",
      "last_synced_at": "2026-10-07T11:01:22.313Z",
      "location_count": 1,
      "location_summary": "Portsmouth, Virginia",
      "locations": [
        {
          "city": "Portsmouth",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01088178"
    }
  ]
}