{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=cervical+cerclage",
    "query": {
      "intervention": "cervical cerclage"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 23,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=cervical+cerclage&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-09T05:32:03.421Z",
  "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": "NCT02912390",
      "title": "Cerclage for Short Cervix in Twins",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Short Cervix, Twins"
      ],
      "interventions": [
        {
          "name": "Cerclage",
          "type": "PROCEDURE"
        },
        {
          "name": "Expectant management",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "St. Louis University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "14 Years to 45 Years · Female only"
      },
      "enrollment_count": 9,
      "start_date": "2017-01-12",
      "completion_date": "2018-04-11",
      "has_results": false,
      "last_update_posted_date": "2018-04-13",
      "last_synced_at": "2026-09-09T05:32:03.421Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02912390"
    },
    {
      "nct_id": "NCT04742647",
      "title": "Single Versus Double Suture Cervical Cerclage to Prevent Preterm Birth",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "The Primary Outcome is Preterm Delivery Before 28 Weeks Gestational Age Compared to Women With One vs Two Cerclages Placed"
      ],
      "interventions": [
        {
          "name": "Double cerclage",
          "type": "PROCEDURE"
        },
        {
          "name": "Single cerclage",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Stony Brook University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 84,
      "start_date": "2021-02-01",
      "completion_date": "2023-07-01",
      "has_results": false,
      "last_update_posted_date": "2022-10-27",
      "last_synced_at": "2026-09-09T05:32:03.421Z",
      "location_count": 1,
      "location_summary": "Stony Brook, New York",
      "locations": [
        {
          "city": "Stony Brook",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04742647"
    },
    {
      "nct_id": "NCT00059683",
      "title": "Ultrasound-indicated Cerclage to Prevent Premature Birth in High-risk Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Labor, Premature"
      ],
      "interventions": [
        {
          "name": "cervical cerclage",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "16 Years and older · Female only"
      },
      "enrollment_count": 300,
      "start_date": "2003-01",
      "completion_date": "2009-10",
      "has_results": false,
      "last_update_posted_date": "2014-09-30",
      "last_synced_at": "2026-09-09T05:32:03.421Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00059683"
    },
    {
      "nct_id": "NCT03340688",
      "title": "Cerclage for Twins With Short Cervical Length ≤ 15mm",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Twin Pregnancy With Antenatal Problem",
        "Preterm Birth",
        "Short Cervix"
      ],
      "interventions": [
        {
          "name": "Cervical cerclage",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 60 Years · Female only"
      },
      "enrollment_count": 200,
      "start_date": "2017-06-22",
      "completion_date": "2025-06",
      "has_results": false,
      "last_update_posted_date": "2020-04-27",
      "last_synced_at": "2026-09-09T05:32:03.421Z",
      "location_count": 3,
      "location_summary": "Washington D.C., District of Columbia • Philadelphia, Pennsylvania • Austin, Texas",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03340688"
    },
    {
      "nct_id": "NCT00694967",
      "title": "A Randomized Trial of Cerclage Versus 17 α-Hydroxyprogesterone Caproate for Treatment of a Short Cervix",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mid Trimester Cervical Shortening"
      ],
      "interventions": [
        {
          "name": "McDonald cerclage placement",
          "type": "PROCEDURE"
        },
        {
          "name": "17 hydroxyprogesterone caproate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Lehigh Valley Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 92,
      "start_date": "2003-11",
      "completion_date": "2006-12",
      "has_results": false,
      "last_update_posted_date": "2008-06-11",
      "last_synced_at": "2026-09-09T05:32:03.421Z",
      "location_count": 1,
      "location_summary": "Allentown, Pennsylvania",
      "locations": [
        {
          "city": "Allentown",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00694967"
    },
    {
      "nct_id": "NCT01955148",
      "title": "fFN Clinical Evaluation in Asymptomatic Women at High Risk for Preterm Birth",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pre-term Birth"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Hologic, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 65 Years · Female only"
      },
      "enrollment_count": 1210,
      "start_date": "2013-10",
      "completion_date": "2016-09",
      "has_results": false,
      "last_update_posted_date": "2015-08-26",
      "last_synced_at": "2026-09-09T05:32:03.421Z",
      "location_count": 16,
      "location_summary": "Birmingham, Alabama • San Diego, California • Newark, Delaware + 13 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Newark",
          "state": "Delaware"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Springfield",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01955148"
    },
    {
      "nct_id": "NCT04158401",
      "title": "Cervical Stiffness Measurement in Cervical Insufficiency",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pregnancy Related",
        "Cervical Insufficiency",
        "Preterm Birth"
      ],
      "interventions": [
        {
          "name": "Pregnolia",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Tufts Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 136,
      "start_date": "2020-01-15",
      "completion_date": "2022-06-15",
      "has_results": false,
      "last_update_posted_date": "2022-09-21",
      "last_synced_at": "2026-09-09T05:32:03.421Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04158401"
    },
    {
      "nct_id": "NCT05132829",
      "title": "Azithromycin to Improve Latency in Exam Indicated Cerclage Control Trial",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Preterm Birth",
        "Obstetric Labor, Premature",
        "Obstetric Labor Complications",
        "Pregnancy Complications",
        "Physiological Effects of Drugs",
        "Uterine Cervical Incompetence",
        "Anti-Bacterial Agents",
        "Azithromycin",
        "Cefazolin"
      ],
      "interventions": [
        {
          "name": "Azithromycin 1 gram IV",
          "type": "DRUG"
        },
        {
          "name": "Cefazolin and indomethacin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 80 Years · Female only"
      },
      "enrollment_count": 50,
      "start_date": "2021-12-20",
      "completion_date": "2025-06",
      "has_results": false,
      "last_update_posted_date": "2023-06-26",
      "last_synced_at": "2026-09-09T05:32:03.421Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • New Brunswick, New Jersey",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05132829"
    },
    {
      "nct_id": "NCT05501938",
      "title": "Physical Exam Indicated Cerclage in Singleton Gestation 24 Weeks to 25 Weeks and 6 Days Gestation",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Preterm Birth"
      ],
      "interventions": [
        {
          "name": "Physical Exam Indicated Cerclage",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Albany Medical College",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 30,
      "start_date": "2022-08-11",
      "completion_date": "2023-08-11",
      "has_results": false,
      "last_update_posted_date": "2022-08-16",
      "last_synced_at": "2026-09-09T05:32:03.421Z",
      "location_count": 1,
      "location_summary": "Albany, New York",
      "locations": [
        {
          "city": "Albany",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05501938"
    },
    {
      "nct_id": "NCT04301518",
      "title": "Prematurity Risk Assessment Combined With Clinical Interventions for Improving Neonatal outcoMEs",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Preterm Labor",
        "Preterm Birth"
      ],
      "interventions": [
        {
          "name": "Multimodal intervention strategy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Sera Prognostics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 6500,
      "start_date": "2020-11-06",
      "completion_date": "2026-12-30",
      "has_results": false,
      "last_update_posted_date": "2024-12-06",
      "last_synced_at": "2026-09-09T05:32:03.421Z",
      "location_count": 18,
      "location_summary": "San Diego, California • New Haven, Connecticut • Newark, Delaware + 15 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Newark",
          "state": "Delaware"
        },
        {
          "city": "Panama City",
          "state": "Florida"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04301518"
    }
  ]
}