{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Heart+Catheterization",
    "query": {
      "intervention": "Heart Catheterization"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 346,
    "total_pages": 35,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Heart+Catheterization&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-08T04:58:50.879Z",
  "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": "NCT03526497",
      "title": "Correlation Between Peripheral Venous Pressure and Central Venous Pressure in the Cardiac Intensive Care Unit",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prospective Studies",
        "Heart Failure"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2018-04-04",
      "completion_date": "2022-03-29",
      "has_results": false,
      "last_update_posted_date": "2023-01-27",
      "last_synced_at": "2026-09-08T04:58:50.879Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03526497"
    },
    {
      "nct_id": "NCT01891188",
      "title": "Using Near-infrared Spectroscopy (NIRS) Monitor to Noninvasively Evaluate Hepatic Venous Saturation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congenital Heart Disease",
        "Arrhythmia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Phoenix Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "1 Day to 18 Years"
      },
      "enrollment_count": 100,
      "start_date": "2013-06-01",
      "completion_date": "2016-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-01-23",
      "last_synced_at": "2026-09-08T04:58:50.879Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01891188"
    },
    {
      "nct_id": "NCT04318990",
      "title": "DIstal vs Proximal Radial Artery Access for Cath",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Coronary Angiography",
        "Coronary Angioplasty"
      ],
      "interventions": [
        {
          "name": "Distal radial artery access",
          "type": "PROCEDURE"
        },
        {
          "name": "Proximal radial artery surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Baylor Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2020-03-06",
      "completion_date": "2022-12-31",
      "has_results": true,
      "last_update_posted_date": "2024-05-03",
      "last_synced_at": "2026-09-08T04:58:50.879Z",
      "location_count": 1,
      "location_summary": "Plano, Texas",
      "locations": [
        {
          "city": "Plano",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04318990"
    },
    {
      "nct_id": "NCT02586740",
      "title": "Retrospective Review of Anesthetic Considerations for Pulmonary Artery Rehabilitation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Artery Stenosis",
        "Tetralogy of Fallot",
        "Pulmonary Atresia"
      ],
      "interventions": [
        {
          "name": "Pulmonary artery rehabilitation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Aymen N Naguib",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 120,
      "start_date": "2015-11",
      "completion_date": "2016-10",
      "has_results": false,
      "last_update_posted_date": "2017-06-16",
      "last_synced_at": "2026-09-08T04:58:50.879Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02586740"
    },
    {
      "nct_id": "NCT03616028",
      "title": "The CONFORMAL Early Feasibility Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Non-valvular Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "left atrial appendage closure",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Conformal Medical, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 64,
      "start_date": "2019-02-22",
      "completion_date": "2028-06",
      "has_results": false,
      "last_update_posted_date": "2026-02-13",
      "last_synced_at": "2026-09-08T04:58:50.879Z",
      "location_count": 11,
      "location_summary": "Jonesboro, Arkansas • Santa Monica, California • Manchester, New Hampshire + 7 more",
      "locations": [
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Manchester",
          "state": "New Hampshire"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03616028"
    },
    {
      "nct_id": "NCT01019330",
      "title": "Radial Versus Femoral Arterial Access for Cardiac Catheterization: Comparison of Complications at 30 Days",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Radial Artery Occlusion"
      ],
      "interventions": [
        {
          "name": "Allen's test",
          "type": "OTHER"
        },
        {
          "name": "Distal pulses",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Creighton University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 243,
      "start_date": "2010-06",
      "completion_date": "2015-08",
      "has_results": false,
      "last_update_posted_date": "2015-11-30",
      "last_synced_at": "2026-09-08T04:58:50.879Z",
      "location_count": 2,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01019330"
    },
    {
      "nct_id": "NCT05856123",
      "title": "A Study to Evaluate SimPull for Lateral Patient Transfer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lateral Patient Transfer"
      ],
      "interventions": [
        {
          "name": "SimPull Lateral Transfer Device",
          "type": "DEVICE"
        },
        {
          "name": "Survey",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2023-11-16",
      "completion_date": "2024-08-14",
      "has_results": true,
      "last_update_posted_date": "2025-10-22",
      "last_synced_at": "2026-09-08T04:58:50.879Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05856123"
    },
    {
      "nct_id": "NCT00355056",
      "title": "PREMIUM Migraine Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Migraine Headaches",
        "Patent Foramen Ovale"
      ],
      "interventions": [
        {
          "name": "Sham Procedure",
          "type": "OTHER"
        },
        {
          "name": "AMPLATZER PFO Occluder",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "Abbott Medical Devices",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 230,
      "start_date": "2006-01",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2020-07-30",
      "last_synced_at": "2026-09-08T04:58:50.879Z",
      "location_count": 30,
      "location_summary": "Phoenix, Arizona • Los Angeles, California • Colorado Springs, Colorado + 23 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Englewood",
          "state": "Colorado"
        },
        {
          "city": "Fort Collins",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00355056"
    },
    {
      "nct_id": "NCT01287026",
      "title": "Real-time MRI Right Heart Catheterization Using Passive Catheters",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Caridovascular Disease",
        "Congenital Heart Disease",
        "Pulmonary Hypertension"
      ],
      "interventions": [
        {
          "name": "Cardiac Real-time MRI RHC (Right Heart Catheterization)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "2 Years to 99 Years"
      },
      "enrollment_count": 150,
      "start_date": "2011-02-23",
      "completion_date": "2019-03-21",
      "has_results": false,
      "last_update_posted_date": "2019-04-05",
      "last_synced_at": "2026-09-08T04:58:50.879Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01287026"
    },
    {
      "nct_id": "NCT00417625",
      "title": "Validation of MRI Measurement of Cardiac Blood Flow",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Coronary Artery Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2006-12-29",
      "completion_date": "2010-07-19",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-09-08T04:58:50.879Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00417625"
    }
  ]
}