{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Levonorgestrel+Intrauterine+System",
    "query": {
      "intervention": "Levonorgestrel Intrauterine System"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 47,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Levonorgestrel+Intrauterine+System&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-16T15:39:23.004Z",
  "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": "NCT00997932",
      "title": "A Pilot Study of Early Postpartum Intrauterine Contraception",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Unplanned Pregnancy"
      ],
      "interventions": [
        {
          "name": "Levonorgestrel-Releasing Intrauterine Contraceptive System (LNG-IUS), 52 Mg, 5 Year Duration",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 45 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2009-06",
      "completion_date": "2012-11",
      "has_results": true,
      "last_update_posted_date": "2017-03-29",
      "last_synced_at": "2026-09-16T15:39:23.004Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00997932"
    },
    {
      "nct_id": "NCT00360490",
      "title": "Study in Women With Idiopathic Menorrhagia to Determine the Reduction in Menstrual Blood Loss (MBL) After Treatment With the Levonorgestrel-releasing Intrauterine System (IUS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Menorrhagia"
      ],
      "interventions": [
        {
          "name": "Levonorgestrel IUS (Mirena, BAY86-5028)",
          "type": "DRUG"
        },
        {
          "name": "Medroxyprogesterone acetate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 165,
      "start_date": "2006-07",
      "completion_date": "2008-06",
      "has_results": true,
      "last_update_posted_date": "2013-12-09",
      "last_synced_at": "2026-09-16T15:39:23.004Z",
      "location_count": 37,
      "location_summary": "Tucson, Arizona • Beverly Hills, California • Carmichael, California + 32 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Carmichael",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00360490"
    },
    {
      "nct_id": "NCT05444582",
      "title": "Levonorgestrel 52 mg IUD for Emergency Contraception and Same-Day Start",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Contraception"
      ],
      "interventions": [
        {
          "name": "Levonorgestrel 52 MG Intrauterine System",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "16 Years to 35 Years · Female only"
      },
      "enrollment_count": 1404,
      "start_date": "2022-11-07",
      "completion_date": "2027-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-16",
      "last_synced_at": "2026-09-16T15:39:23.004Z",
      "location_count": 8,
      "location_summary": "San Jose, California • Denver, Colorado • Chicago, Illinois + 5 more",
      "locations": [
        {
          "city": "San Jose",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05444582"
    },
    {
      "nct_id": "NCT04568980",
      "title": "Assessment of Contraceptive Safety and Effectiveness in Cystic Fibrosis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cystic Fibrosis",
        "Contraception"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Washington",
      "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": 562,
      "start_date": "2020-09-30",
      "completion_date": "2022-12-06",
      "has_results": false,
      "last_update_posted_date": "2023-05-22",
      "last_synced_at": "2026-09-16T15:39:23.004Z",
      "location_count": 10,
      "location_summary": "Birmingham, Alabama • San Diego, California • Denver, Colorado + 7 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04568980"
    },
    {
      "nct_id": "NCT02657148",
      "title": "Immediate Postpartum Nexplanon Placement in Opioid Dependent Women",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Opiate Addiction",
        "Pregnancy",
        "Contraceptive Behavior",
        "Sexual Behavior"
      ],
      "interventions": [
        {
          "name": "Nexplanon (etonogestrel contraceptive implant)",
          "type": "DRUG"
        },
        {
          "name": "Standard postpartum contraceptive care",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pittsburgh",
      "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": 200,
      "start_date": "2016-05",
      "completion_date": "2018-08",
      "has_results": false,
      "last_update_posted_date": "2018-08-31",
      "last_synced_at": "2026-09-16T15:39:23.004Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02657148"
    },
    {
      "nct_id": "NCT00653159",
      "title": "Maintaining Intrauterine Devices (IUDs) in Teens (MINT): A Randomization Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Contraception"
      ],
      "interventions": [
        {
          "name": "Levonorgestrel-releasing intrauterine device (LNG-IUS)",
          "type": "DEVICE"
        },
        {
          "name": "Copper T380A intrauterine device (CuT380A)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "18 Years",
        "sex": "FEMALE",
        "summary": "14 Years to 18 Years · Female only"
      },
      "enrollment_count": 23,
      "start_date": "2007-07",
      "completion_date": "2008-12",
      "has_results": true,
      "last_update_posted_date": "2023-02-23",
      "last_synced_at": "2026-09-16T15:39:23.004Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00653159"
    },
    {
      "nct_id": "NCT02824224",
      "title": "Tamoxifen to Reduce Unscheduled Bleeding in New Users of the Levonorgestrel-releasing Intrauterine System (LNG-IUS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Menorrhagia",
        "Metrorrhagia",
        "Medicated Intrauterine Devices"
      ],
      "interventions": [
        {
          "name": "Tamoxifen",
          "type": "DRUG"
        },
        {
          "name": "Placebo (for Tamoxifen)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "15 Years to 45 Years · Female only"
      },
      "enrollment_count": 42,
      "start_date": "2016-09-06",
      "completion_date": "2018-01-08",
      "has_results": true,
      "last_update_posted_date": "2019-06-04",
      "last_synced_at": "2026-09-16T15:39:23.004Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02824224"
    },
    {
      "nct_id": "NCT01613131",
      "title": "Mirena and Estrogen for Control of Perimenopause Symptoms and Ovulation Suppression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Menopausal and Other Perimenopausal Disorders"
      ],
      "interventions": [
        {
          "name": "Mirena",
          "type": "DRUG"
        },
        {
          "name": "Estradiol",
          "type": "DRUG"
        },
        {
          "name": "Placebo Gel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "52 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 52 Years · Female only"
      },
      "enrollment_count": 39,
      "start_date": "2012-04",
      "completion_date": "2014-06",
      "has_results": true,
      "last_update_posted_date": "2015-12-02",
      "last_synced_at": "2026-09-16T15:39:23.004Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01613131"
    },
    {
      "nct_id": "NCT01594476",
      "title": "Early Postpartum Intrauterine Device (IUD) Placement",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Contraception"
      ],
      "interventions": [
        {
          "name": "Levonorgestrel IUS",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 201,
      "start_date": "2012-03",
      "completion_date": "2014-07",
      "has_results": true,
      "last_update_posted_date": "2019-01-11",
      "last_synced_at": "2026-09-16T15:39:23.004Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01594476"
    },
    {
      "nct_id": "NCT01309919",
      "title": "Bleeding Patterns and Complications After Postpartum IUD Placement: a Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postpartum Period"
      ],
      "interventions": [
        {
          "name": "IUD",
          "type": "DEVICE"
        },
        {
          "name": "Diary",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Baystate Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 55 Years · Female only"
      },
      "enrollment_count": 150,
      "start_date": "2011-01",
      "completion_date": "2012-02",
      "has_results": true,
      "last_update_posted_date": "2015-01-29",
      "last_synced_at": "2026-09-16T15:39:23.004Z",
      "location_count": 1,
      "location_summary": "Springfield, Massachusetts",
      "locations": [
        {
          "city": "Springfield",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01309919"
    }
  ]
}