{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Patient+registry&page=40",
    "query": {
      "intervention": "Patient registry",
      "page": 40
    },
    "page_size": 10
  },
  "pagination": {
    "page": 40,
    "page_size": 10,
    "total_count": 1114,
    "total_pages": 112,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Patient+registry&page=41&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Patient+registry&page=39&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T17:40:35.955Z",
  "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": "NCT04097145",
      "title": "Edwards PASCAL Transcatheter Valve Repair System Pivotal Clinical Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tricuspid Regurgitation",
        "Tricuspid Valve Insufficiency",
        "Tricuspid Valve Disease"
      ],
      "interventions": [
        {
          "name": "Edwards PASCAL System",
          "type": "DEVICE"
        },
        {
          "name": "Optimal Medical Therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Edwards Lifesciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1270,
      "start_date": "2019-12-11",
      "completion_date": "2031-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-14",
      "last_synced_at": "2026-10-23T17:40:35.955Z",
      "location_count": 73,
      "location_summary": "Phoenix, Arizona • Tucson, Arizona • Irvine, California + 59 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04097145"
    },
    {
      "nct_id": "NCT00481273",
      "title": "AVIDA The Vidaza® (Azacitidine) Patient Registry",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Myelodysplastic Syndromes"
      ],
      "interventions": [
        {
          "name": "Azacitidine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Celgene",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 479,
      "start_date": "2006-10-31",
      "completion_date": "2010-08-31",
      "has_results": false,
      "last_update_posted_date": "2018-05-03",
      "last_synced_at": "2026-10-23T17:40:35.955Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00481273"
    },
    {
      "nct_id": "NCT00431405",
      "title": "Cardiovascular Outcomes in the VA's Rheumatoid Arthritis(VARA) Population",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Rheumatoid Arthritis",
        "Cardiovascular Disease",
        "Coronary Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Dallas VA Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 450,
      "start_date": "2006-08",
      "completion_date": "2007-01",
      "has_results": false,
      "last_update_posted_date": "2007-02-05",
      "last_synced_at": "2026-10-23T17:40:35.955Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00431405"
    },
    {
      "nct_id": "NCT07580937",
      "title": "Studying Heart Ablation After Left Atrial Closure in High-Bleeding-Risk Atrial Fibrillation Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation",
        "Atrial Arrhythmia"
      ],
      "interventions": [
        {
          "name": "Data collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 198,
      "start_date": "2022-03-08",
      "completion_date": "2026-03-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-12",
      "last_synced_at": "2026-10-23T17:40:35.955Z",
      "location_count": 10,
      "location_summary": "Chicago, Illinois • Evanston, Illinois • Boston, Massachusetts + 4 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Evanston",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07580937"
    },
    {
      "nct_id": "NCT00508573",
      "title": "Registry for Women Who Are At Risk Or May Have Lynch Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hereditary Nonpolyposis Colorectal Cancer",
        "Lynch Syndrome"
      ],
      "interventions": [
        {
          "name": "Questionnaire",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 323,
      "start_date": "2007-05",
      "completion_date": "2024-08-05",
      "has_results": false,
      "last_update_posted_date": "2024-08-09",
      "last_synced_at": "2026-10-23T17:40:35.955Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00508573"
    },
    {
      "nct_id": "NCT07430423",
      "title": "The FLOW Registry.",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Benign Prostatic Hyperplasia (BPH)"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 3000,
      "start_date": "2026-11",
      "completion_date": "2036-12",
      "has_results": false,
      "last_update_posted_date": "2026-10-21",
      "last_synced_at": "2026-10-23T17:40:35.955Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07430423"
    },
    {
      "nct_id": "NCT00868582",
      "title": "The National Oncologic PET Registry",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "PET scanning in cancer",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "American College of Radiology Imaging Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 333000,
      "start_date": "2006-05",
      "completion_date": "2021-06",
      "has_results": false,
      "last_update_posted_date": "2020-08-25",
      "last_synced_at": "2026-10-23T17:40:35.955Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00868582"
    },
    {
      "nct_id": "NCT01950624",
      "title": "DS-Connect®: The Down Syndrome Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Down Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 100000,
      "start_date": "2013-09-06",
      "completion_date": "2035-06",
      "has_results": false,
      "last_update_posted_date": "2025-01-31",
      "last_synced_at": "2026-10-23T17:40:35.955Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01950624"
    },
    {
      "nct_id": "NCT03211546",
      "title": "Pediatric Femur Fracture Registry",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Femoral Shaft Fracture"
      ],
      "interventions": [
        {
          "name": "Conservative (non-surgical) treatment",
          "type": "PROCEDURE"
        },
        {
          "name": "Surgical treatment",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "AO Innovation Translation Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "Up to 16 Years"
      },
      "enrollment_count": 322,
      "start_date": "2018-03-14",
      "completion_date": "2024-06-10",
      "has_results": false,
      "last_update_posted_date": "2025-08-29",
      "last_synced_at": "2026-10-23T17:40:35.955Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03211546"
    },
    {
      "nct_id": "NCT00842374",
      "title": "Single Center Registry of Non-STEMI Acute Coronary Syndrome Patients Treated With Bivalirudin",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Non-STEMI Acute Coronary Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Minneapolis Heart Institute Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2008-12",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2013-04-25",
      "last_synced_at": "2026-10-23T17:40:35.955Z",
      "location_count": 1,
      "location_summary": "Waconia, Minnesota",
      "locations": [
        {
          "city": "Waconia",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00842374"
    }
  ]
}