{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Essure",
    "query": {
      "intervention": "Essure"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 15,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Essure&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-10T12:13:52.813Z",
  "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": "NCT02532361",
      "title": "Proportion of Hysterectomy After Female Sterilization",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hysterectomy"
      ],
      "interventions": [
        {
          "name": "Hysteroscopic device placement including Essure (ESS305, BAY1454032)",
          "type": "DEVICE"
        },
        {
          "name": "Tubal ligation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Bayer",
      "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": 10578,
      "start_date": "2015-08",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2016-12-23",
      "last_synced_at": "2026-09-10T12:13:52.813Z",
      "location_count": 1,
      "location_summary": "New Jersey, New Jersey",
      "locations": [
        {
          "city": "New Jersey",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02532361"
    },
    {
      "nct_id": "NCT01221974",
      "title": "Use of Essure® Micro-inserts in Women With Hydrosalpinx Prior to In Vitro Fertilization: A Prospective, Multicenter, International Feasibility Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Women Who Suffer From Hydrosalpinx That is Causing Infertility and Whom Want a Safer Way of Treamtent"
      ],
      "interventions": [
        {
          "name": "Essure Micro Insert",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Reproductive Science Center",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "38 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 38 Years · Female only"
      },
      "enrollment_count": null,
      "start_date": "2008-07",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2010-10-18",
      "last_synced_at": "2026-09-10T12:13:52.813Z",
      "location_count": 1,
      "location_summary": "San Ramon, California",
      "locations": [
        {
          "city": "San Ramon",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01221974"
    },
    {
      "nct_id": "NCT01327105",
      "title": "Essure Transvaginal Ultrasound (TVU) Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Contraceptive Usage"
      ],
      "interventions": [
        {
          "name": "TVU",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "44 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 44 Years · Female only"
      },
      "enrollment_count": 547,
      "start_date": "2011-05-17",
      "completion_date": "2023-07-04",
      "has_results": false,
      "last_update_posted_date": "2023-08-03",
      "last_synced_at": "2026-09-10T12:13:52.813Z",
      "location_count": 13,
      "location_summary": "Chandler, Arizona • Glendale, Arizona • Phoenix, Arizona + 10 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Arvada",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01327105"
    },
    {
      "nct_id": "NCT01740687",
      "title": "A Study to Evaluate the Effectiveness of Essure Post-NovaSure Radiofrequency Endometrial Ablation Procedure Following a Successful Essure Confirmation Test",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Contraception",
        "Menorrhagia"
      ],
      "interventions": [
        {
          "name": "ESS305 (Essure, BAY1454032)",
          "type": "DEVICE"
        },
        {
          "name": "NovaSure",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 50 Years · Female only"
      },
      "enrollment_count": 211,
      "start_date": "2012-11-13",
      "completion_date": "2021-06-14",
      "has_results": true,
      "last_update_posted_date": "2023-02-06",
      "last_synced_at": "2026-09-10T12:13:52.813Z",
      "location_count": 17,
      "location_summary": "Aurora, Colorado • Ocala, Florida • Decatur, Illinois + 14 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Ocala",
          "state": "Florida"
        },
        {
          "city": "Decatur",
          "state": "Illinois"
        },
        {
          "city": "Fort Wayne",
          "state": "Indiana"
        },
        {
          "city": "Newburgh",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01740687"
    },
    {
      "nct_id": "NCT02064413",
      "title": "Essure (Model ESS310) Placement Rate Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Contraception"
      ],
      "interventions": [
        {
          "name": "ESS310 (BAY1454032)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "44 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 44 Years · Female only"
      },
      "enrollment_count": 134,
      "start_date": "2014-03-17",
      "completion_date": "2014-11-26",
      "has_results": false,
      "last_update_posted_date": "2021-04-08",
      "last_synced_at": "2026-09-10T12:13:52.813Z",
      "location_count": 16,
      "location_summary": "Glendale, Arizona • Phoenix, Arizona • Colorado Springs, Colorado + 12 more",
      "locations": [
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Fort Wayne",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02064413"
    },
    {
      "nct_id": "NCT02312739",
      "title": "Nitrous Oxide for Pain Management During In-office Transcervical Sterilization",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Contraception",
        "Inhalation of Nitrous Oxide"
      ],
      "interventions": [
        {
          "name": "In-office Transcervical Sterilization (Essure®)",
          "type": "PROCEDURE"
        },
        {
          "name": "Standard Oral pain medications",
          "type": "DRUG"
        },
        {
          "name": "Intramuscular Ketorolac",
          "type": "DRUG"
        },
        {
          "name": "Placebo pills",
          "type": "DRUG"
        },
        {
          "name": "Oxygen",
          "type": "OTHER"
        },
        {
          "name": "Nitrous Oxide",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of New Mexico",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "21 Years and older · Female only"
      },
      "enrollment_count": 72,
      "start_date": "2014-02",
      "completion_date": "2015-03",
      "has_results": true,
      "last_update_posted_date": "2016-07-06",
      "last_synced_at": "2026-09-10T12:13:52.813Z",
      "location_count": 1,
      "location_summary": "Albuquerque, New Mexico",
      "locations": [
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02312739"
    },
    {
      "nct_id": "NCT01934244",
      "title": "Post Approval NovaSure Essure Labeling Study",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Menorrhagia"
      ],
      "interventions": [
        {
          "name": "NovaSure Endometrial Ablation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Hologic, Inc.",
      "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": 318,
      "start_date": "2013-12",
      "completion_date": "2019-01",
      "has_results": false,
      "last_update_posted_date": "2018-07-30",
      "last_synced_at": "2026-09-10T12:13:52.813Z",
      "location_count": 14,
      "location_summary": "Chandler, Arizona • Arvada, Colorado • Sarasota, Florida + 11 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Arvada",
          "state": "Colorado"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        },
        {
          "city": "Downers Grove",
          "state": "Illinois"
        },
        {
          "city": "Dearborn",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01934244"
    },
    {
      "nct_id": "NCT03438682",
      "title": "Real World Effectiveness and Safety of Hysteroscopic (Essure®) Compared to Laparoscopic Sterilization",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sterility, Female",
        "Contraception",
        "Contraceptive Device; Complications"
      ],
      "interventions": [
        {
          "name": "Essure",
          "type": "DEVICE"
        },
        {
          "name": "Laparoscopic sterilization",
          "type": "PROCEDURE"
        },
        {
          "name": "Intrauterine Device (IUD)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Yale 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": 89203,
      "start_date": "2018-09-30",
      "completion_date": "2021-07-31",
      "has_results": false,
      "last_update_posted_date": "2021-11-03",
      "last_synced_at": "2026-09-10T12:13:52.813Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03438682"
    },
    {
      "nct_id": "NCT04071392",
      "title": "Development of an Intrauterine Pressure Threshold to Confirm Tubal Occlusion",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sterilization, Female",
        "Fallopian Tube Occlusion"
      ],
      "interventions": [
        {
          "name": "Hysterosalpingogram (HSG)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": 24,
      "start_date": "2016-09-01",
      "completion_date": "2017-07-31",
      "has_results": true,
      "last_update_posted_date": "2019-12-10",
      "last_synced_at": "2026-09-10T12:13:52.813Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04071392"
    },
    {
      "nct_id": "NCT00588497",
      "title": "Characterization of the Essure System Tubal Sterilization Using Ultrasound and X-Ray",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Tubal Sterilization"
      ],
      "interventions": [
        {
          "name": "Micro-insert hysteroscopic sterilization",
          "type": "PROCEDURE"
        },
        {
          "name": "Plain abdominal Xray",
          "type": "RADIATION"
        },
        {
          "name": "Pelvic Ultrasound",
          "type": "PROCEDURE"
        },
        {
          "name": "Hysterosalpingogram",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 25,
      "start_date": "2004-02",
      "completion_date": "2006-03",
      "has_results": false,
      "last_update_posted_date": "2011-05-23",
      "last_synced_at": "2026-09-10T12:13:52.813Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00588497"
    }
  ]
}