{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Patient+registry&page=5",
    "query": {
      "intervention": "Patient registry",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 1112,
    "total_pages": 112,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Patient+registry&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Patient+registry&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-19T11:10:20.385Z",
  "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": "NCT06075628",
      "title": "Long-Term Outcomes of LAA Contrast Flow in CT Scans After Endocardial LAA Closure: The CF-CT Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation",
        "Ischemic Stroke, Acute"
      ],
      "interventions": [
        {
          "name": "Left Atrial Appendage Occlusion",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Kansas City Heart Rhythm Research Foundation",
      "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": "2023-07-24",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2025-08-28",
      "last_synced_at": "2026-10-19T11:10:20.385Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06075628"
    },
    {
      "nct_id": "NCT00775931",
      "title": "Allogeneic Transplantation For Severe Osteopetrosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Severe Osteopetrosis"
      ],
      "interventions": [
        {
          "name": "umbilical cord blood transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Campath-1H",
          "type": "DRUG"
        },
        {
          "name": "Total Lymphoid Irradiation",
          "type": "RADIATION"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Busulfan",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine monophosphate",
          "type": "DRUG"
        },
        {
          "name": "marrow graft transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "1 Day to 45 Years"
      },
      "enrollment_count": 7,
      "start_date": "2008-08",
      "completion_date": "2013-06",
      "has_results": true,
      "last_update_posted_date": "2019-07-31",
      "last_synced_at": "2026-10-19T11:10:20.385Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00775931"
    },
    {
      "nct_id": "NCT01133249",
      "title": "Total Hip Registry",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Heekin Orthopedic Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "93 Years",
        "sex": "ALL",
        "summary": "21 Years to 93 Years"
      },
      "enrollment_count": 942,
      "start_date": "2005-07",
      "completion_date": "2018-12",
      "has_results": false,
      "last_update_posted_date": "2016-07-26",
      "last_synced_at": "2026-10-19T11:10:20.385Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01133249"
    },
    {
      "nct_id": "NCT05619900",
      "title": "Registry of Patients Diagnosed With Lysosomal Storage Diseases",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Mucopolysaccharidosis I",
        "Mucopolysaccharidosis II",
        "Mucopolysaccharidosis IV A",
        "Mucopolysaccharidosis VI",
        "Mucopolysaccharidosis VII",
        "Pompe Disease Infantile-Onset",
        "Neuronopathic Gaucher Disease",
        "Wolman Disease"
      ],
      "interventions": [
        {
          "name": "There is no intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "Up to 64 Years"
      },
      "enrollment_count": 250,
      "start_date": "2022-05-31",
      "completion_date": "2050-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-08",
      "last_synced_at": "2026-10-19T11:10:20.385Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05619900"
    },
    {
      "nct_id": "NCT04291651",
      "title": "UCSF PANC Cyst Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pancreatic Cyst",
        "Pancreatic Neoplasms",
        "Pancreatic Cancer",
        "Pancreatic Diseases",
        "Pancreatic Intraductal Papillary Mucinous Neoplasm",
        "Intraductal Papillary Mucinous Neoplasm",
        "Pancreatic Ductal Adenocarcinoma",
        "Mucinous Cyst"
      ],
      "interventions": [
        {
          "name": "Survey",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4000,
      "start_date": "2019-10-08",
      "completion_date": "2030-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-22",
      "last_synced_at": "2026-10-19T11:10:20.385Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04291651"
    },
    {
      "nct_id": "NCT00625365",
      "title": "A Prospective, Phase IV, Surveillance Registry Study to Evaluate the Safety of DEFINITY® in Clinical Practice",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cardiovascular Disease"
      ],
      "interventions": [
        {
          "name": "DEFINITY®",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Lantheus Medical Imaging",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1060,
      "start_date": "2008-02",
      "completion_date": "2009-07",
      "has_results": true,
      "last_update_posted_date": "2020-11-24",
      "last_synced_at": "2026-10-19T11:10:20.385Z",
      "location_count": 16,
      "location_summary": "San Diego, California • Newark, Delaware • Chicago, Illinois + 12 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Newark",
          "state": "Delaware"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Auburn",
          "state": "Maine"
        },
        {
          "city": "Saint Louis Park",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00625365"
    },
    {
      "nct_id": "NCT01589042",
      "title": "Chocolate Balloon Angioplasty Registry",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Peripheral Arterial Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "TriReme Medical, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 490,
      "start_date": "2012-05",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2018-09-11",
      "last_synced_at": "2026-10-19T11:10:20.385Z",
      "location_count": 13,
      "location_summary": "Phoenix, Arizona • Rancho Mirage, California • Gainesville, Florida + 9 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Rancho Mirage",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Elk Grove Village",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01589042"
    },
    {
      "nct_id": "NCT01931956",
      "title": "Real World Expanded Multicenter Study of the MitraClip® System (REALISM)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mitral Valve Insufficiency",
        "Mitral Valve Regurgitation",
        "Mitral Valve Incompetence",
        "Mitral Regurgitation",
        "Mitral Insufficiency"
      ],
      "interventions": [
        {
          "name": "MitraClip® implant",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Abbott Medical Devices",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 965,
      "start_date": "2009-01-22",
      "completion_date": "2018-06",
      "has_results": true,
      "last_update_posted_date": "2018-12-04",
      "last_synced_at": "2026-10-19T11:10:20.385Z",
      "location_count": 38,
      "location_summary": "Los Angeles, California • Mountain View, California • Sacramento, California + 31 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Mountain View",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01931956"
    },
    {
      "nct_id": "NCT01087073",
      "title": "Improving Diabetes Care and Outcomes on the South Side of Chicago",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Patient Activation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Provider Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Quality Improvement",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Community Outreach",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "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": 6209,
      "start_date": "2009-01-01",
      "completion_date": "2016-11-09",
      "has_results": false,
      "last_update_posted_date": "2023-04-26",
      "last_synced_at": "2026-10-19T11:10:20.385Z",
      "location_count": 6,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01087073"
    },
    {
      "nct_id": "NCT00974623",
      "title": "Bone Graft Materials Observational Registry",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Degenerative Disc Disease",
        "Herniated Disc",
        "Spinal Stenosis",
        "Spondylolithesis",
        "Spinal Deformity",
        "Cervical Myelopathy",
        "Failed Back Surgery Syndrome",
        "Spinal Cord Neoplasms"
      ],
      "interventions": [
        {
          "name": "Bone graft substitute, autograft or allograft",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Baxter Healthcare Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 329,
      "start_date": "2009-09",
      "completion_date": "2013-11",
      "has_results": false,
      "last_update_posted_date": "2017-04-05",
      "last_synced_at": "2026-10-19T11:10:20.385Z",
      "location_count": 12,
      "location_summary": "San Francisco, California • Atlanta, Georgia • Carrollton, Georgia + 9 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Carrollton",
          "state": "Georgia"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00974623"
    }
  ]
}