{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Levonorgestrel-releasing+intrauterine+system",
    "query": {
      "intervention": "Levonorgestrel-releasing intrauterine system"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 32,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Levonorgestrel-releasing+intrauterine+system&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T14:01:49.835Z",
  "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": "NCT01254292",
      "title": "LCS12 vs Combined Oral Contraceptive (COC) User Satisfaction Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Contraception"
      ],
      "interventions": [
        {
          "name": "Levonorgestrel IUD (LCS, BAY86-5028)",
          "type": "DRUG"
        },
        {
          "name": "Yasmin (EE30/DRSP, BAY86-5131)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "29 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 29 Years · Female only"
      },
      "enrollment_count": 567,
      "start_date": "2011-01-06",
      "completion_date": "2014-05-28",
      "has_results": true,
      "last_update_posted_date": "2017-09-25",
      "last_synced_at": "2026-10-06T14:01:49.835Z",
      "location_count": 24,
      "location_summary": "Tucson, Arizona • La Mesa, California • San Diego, California + 8 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01254292"
    },
    {
      "nct_id": "NCT04814927",
      "title": "Impact of Contraceptives on Cervico-Vaginal Mucosa",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Mucosal Inflammation",
        "Contraceptive; Complications, Intrauterine"
      ],
      "interventions": [
        {
          "name": "Copper IUD",
          "type": "DRUG"
        },
        {
          "name": "Etonogestrel implant",
          "type": "DRUG"
        },
        {
          "name": "Levonorgestrel IUS",
          "type": "DRUG"
        },
        {
          "name": "DMPA Sub-cutaneous",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eastern Virginia Medical School",
      "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": 112,
      "start_date": "2021-03-01",
      "completion_date": "2022-12-15",
      "has_results": false,
      "last_update_posted_date": "2023-08-25",
      "last_synced_at": "2026-10-06T14:01:49.835Z",
      "location_count": 1,
      "location_summary": "Norfolk, Virginia",
      "locations": [
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04814927"
    },
    {
      "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": "2026-10-06T14:01:49.835Z",
      "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": "NCT03317795",
      "title": "Treatment of Heavy Menstrual Bleeding in Women With Uterine Fibroids",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heavy Menstrual Bleeding",
        "Menorrhagia",
        "Uterine Fibroids"
      ],
      "interventions": [
        {
          "name": "Levonorgestrel IUS",
          "type": "DRUG"
        },
        {
          "name": "Tranexamic Acid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Shannon K. Laughlin-Tommaso",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "25 Years to 50 Years · Female only"
      },
      "enrollment_count": 18,
      "start_date": "2017-11-14",
      "completion_date": "2020-12-28",
      "has_results": true,
      "last_update_posted_date": "2021-12-08",
      "last_synced_at": "2026-10-06T14:01:49.835Z",
      "location_count": 2,
      "location_summary": "Jacksonville, Florida • Rochester, Minnesota",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03317795"
    },
    {
      "nct_id": "NCT04457076",
      "title": "Evaluation of the Efficacy, Safety, and Tolerability of LevoCept",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Contraception",
        "Women at Risk for Pregnancy"
      ],
      "interventions": [
        {
          "name": "LevoCept",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sebela Women's Health Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "Up to 45 Years · Female only"
      },
      "enrollment_count": 1525,
      "start_date": "2026-06-01",
      "completion_date": "2032-06-01",
      "has_results": false,
      "last_update_posted_date": "2025-05-22",
      "last_synced_at": "2026-10-06T14:01:49.835Z",
      "location_count": 27,
      "location_summary": "Berkeley, California • Los Angeles, California • Sacramento, California + 20 more",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04457076"
    },
    {
      "nct_id": "NCT03499379",
      "title": "Stress Hormones and IUDs",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Contraception",
        "Mood Change"
      ],
      "interventions": [
        {
          "name": "Mirena",
          "type": "DEVICE"
        },
        {
          "name": "Paraguard",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 39 Years · Female only"
      },
      "enrollment_count": 39,
      "start_date": "2018-04-16",
      "completion_date": "2019-12-31",
      "has_results": false,
      "last_update_posted_date": "2020-01-07",
      "last_synced_at": "2026-10-06T14:01:49.835Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03499379"
    },
    {
      "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": "2026-10-06T14:01:49.835Z",
      "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": "NCT03182140",
      "title": "KYleena Satisfaction Study / Observational Study on User Satisfaction With the Levonorgestrel Intrauterine Delivery System Kyleena (LNG-IUS 12) in New Contraceptive Users and After Switching From Another Contraceptive Method",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Contraception"
      ],
      "interventions": [
        {
          "name": "Kyleena",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 1134,
      "start_date": "2017-07-06",
      "completion_date": "2020-03-31",
      "has_results": false,
      "last_update_posted_date": "2021-03-29",
      "last_synced_at": "2026-10-06T14:01:49.835Z",
      "location_count": 12,
      "location_summary": "Lakewood, Colorado • Sarasota, Florida • Wellington, Florida + 9 more",
      "locations": [
        {
          "city": "Lakewood",
          "state": "Colorado"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        },
        {
          "city": "Wellington",
          "state": "Florida"
        },
        {
          "city": "Fall River",
          "state": "Massachusetts"
        },
        {
          "city": "Saginaw",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03182140"
    },
    {
      "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": "2026-10-06T14:01:49.835Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01613131"
    },
    {
      "nct_id": "NCT01555931",
      "title": "Postpartum Levonorgestrel-releasing Intrauterine System and Breastfeeding",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Postpartum Contraception"
      ],
      "interventions": [
        {
          "name": "Levonorgestrel-releasing intrauterine system",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "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": 61,
      "start_date": "2012-03",
      "completion_date": "2013-06",
      "has_results": true,
      "last_update_posted_date": "2014-08-25",
      "last_synced_at": "2026-10-06T14:01:49.835Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01555931"
    }
  ]
}