{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Constriction&page=12",
    "query": {
      "condition": "Constriction",
      "page": 12
    },
    "page_size": 10
  },
  "pagination": {
    "page": 12,
    "page_size": 10,
    "total_count": 1008,
    "total_pages": 101,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Constriction&page=13&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Constriction&page=11&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T06:18:36.672Z",
  "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": "NCT04696289",
      "title": "Predicting Pediatric Pulmonary Vein Stenosis Outcomes Using Data Acquired During a Cardiac Catheterization",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pulmonary Vein Stenosis"
      ],
      "interventions": [
        {
          "name": "Standardized catheterization assessment",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "Up to 12 Years"
      },
      "enrollment_count": 80,
      "start_date": "2021-02-26",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-01-30",
      "last_synced_at": "2026-10-23T06:18:36.672Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04696289"
    },
    {
      "nct_id": "NCT07827105",
      "title": "ECG-based AI Screening for Cases of Undiagnosed Moderate-to-Severe Aortic Stenosis in the Primary Care Setting",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Aortic Stenosis"
      ],
      "interventions": [
        {
          "name": "AK-AVS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "AccurKardia, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 4000,
      "start_date": "2026-08-21",
      "completion_date": "2027-03",
      "has_results": false,
      "last_update_posted_date": "2026-09-18",
      "last_synced_at": "2026-10-23T06:18:36.672Z",
      "location_count": 1,
      "location_summary": "Orange, California",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07827105"
    },
    {
      "nct_id": "NCT03470545",
      "title": "Clinical Study to Evaluate Mavacamten (MYK-461) in Adults With Symptomatic Obstructive Hypertrophic Cardiomyopathy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Obstructive Hypertrophic Cardiomyopathy"
      ],
      "interventions": [
        {
          "name": "mavacamten",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "MyoKardia, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 251,
      "start_date": "2018-05-29",
      "completion_date": "2020-05-06",
      "has_results": true,
      "last_update_posted_date": "2021-10-04",
      "last_synced_at": "2026-10-23T06:18:36.672Z",
      "location_count": 29,
      "location_summary": "Scottsdale, Arizona • Los Angeles, California • San Francisco, California + 23 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03470545"
    },
    {
      "nct_id": "NCT02931331",
      "title": "Coronary Revascularization Assessed by Stress PET",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Coronary Stenoses",
        "Myocardial Ischemia",
        "Coronary Artery Stenosis",
        "Coronary Disease",
        "Coronary Occlusion"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Ochsner Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2016-03",
      "completion_date": "2017-12",
      "has_results": false,
      "last_update_posted_date": "2017-10-16",
      "last_synced_at": "2026-10-23T06:18:36.672Z",
      "location_count": 1,
      "location_summary": "New Orleans, Louisiana",
      "locations": [
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02931331"
    },
    {
      "nct_id": "NCT02739087",
      "title": "Radiation-Free Heart Catheterization Using MRI",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Aortic Coarctation",
        "Cardiomyopathy",
        "Atrial Septal Defect",
        "Aortic Stenosis",
        "Post Heart Transplant Catheter Procedure",
        "Patent Ductus Arteriosus"
      ],
      "interventions": [
        {
          "name": "MRI guided cardiac catheterization",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic resonance imaging",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE"
      ],
      "sponsor": "Joshua Kanter",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 50,
      "start_date": "2015-03",
      "completion_date": "2024-12",
      "has_results": false,
      "last_update_posted_date": "2024-02-06",
      "last_synced_at": "2026-10-23T06:18:36.672Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02739087"
    },
    {
      "nct_id": "NCT01430299",
      "title": "Efficacy and Safety of Accell Evo3 Demineralized Bone Matrix (DBM) in Instrumented Posterolateral Lumbar Spine Fusion",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stenosis",
        "Spondylosis",
        "Degenerative Changes"
      ],
      "interventions": [
        {
          "name": "Demineralized Bone Matrix",
          "type": "DEVICE"
        },
        {
          "name": "rh-BMP2",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "SeaSpine, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 43,
      "start_date": "2011-06",
      "completion_date": "2016-10",
      "has_results": true,
      "last_update_posted_date": "2018-06-07",
      "last_synced_at": "2026-10-23T06:18:36.672Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01430299"
    },
    {
      "nct_id": "NCT04807387",
      "title": "Newly Designed Vaginal Stent to Improve Patient Comfort and Healing Following Vaginal Surgery or Vaginal Radiation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaginal Stricture"
      ],
      "interventions": [
        {
          "name": "Vaginal Stent A",
          "type": "DEVICE"
        },
        {
          "name": "Vaginal Stent B",
          "type": "DEVICE"
        },
        {
          "name": "Vaginal Stent",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "64 Years",
        "sex": "FEMALE",
        "summary": "13 Years to 64 Years · Female only"
      },
      "enrollment_count": 6,
      "start_date": "2022-05-05",
      "completion_date": "2023-01-18",
      "has_results": true,
      "last_update_posted_date": "2024-08-06",
      "last_synced_at": "2026-10-23T06:18:36.672Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04807387"
    },
    {
      "nct_id": "NCT01559493",
      "title": "Fractional Flow Reserve (FFR) Versus Instant Wave-Free Ratio (iFR)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Coronary Artery Disease",
        "Plaque, Atherosclerotic"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "NHS National Waiting Times Centre Board",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 200,
      "start_date": "2012-01",
      "completion_date": "2012-02",
      "has_results": false,
      "last_update_posted_date": "2012-03-21",
      "last_synced_at": "2026-10-23T06:18:36.672Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01559493"
    },
    {
      "nct_id": "NCT00883402",
      "title": "Carotid Endarterectomy Versus Carotid Artery Stenting in Asymptomatic Patients",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Carotid Stenosis"
      ],
      "interventions": [
        {
          "name": "CEA, CAS",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Oxford",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3638,
      "start_date": "2008-01",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2024-12-09",
      "last_synced_at": "2026-10-23T06:18:36.672Z",
      "location_count": 1,
      "location_summary": "Toledo, Ohio",
      "locations": [
        {
          "city": "Toledo",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00883402"
    },
    {
      "nct_id": "NCT02018445",
      "title": "Accell Evo3™ Demineralized Bone Matrix in Instrumented Lumbar Spine Fusion",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Degenerative Changes",
        "Stenosis",
        "Spondylosis"
      ],
      "interventions": [
        {
          "name": "Posterolateral Fusion",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "SeaSpine, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2013-11",
      "completion_date": "2017-05",
      "has_results": true,
      "last_update_posted_date": "2020-02-18",
      "last_synced_at": "2026-10-23T06:18:36.672Z",
      "location_count": 1,
      "location_summary": "Long Beach, California",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02018445"
    }
  ]
}