{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Patient+registry&page=44",
    "query": {
      "intervention": "Patient registry",
      "page": 44
    },
    "page_size": 10
  },
  "pagination": {
    "page": 44,
    "page_size": 10,
    "total_count": 1114,
    "total_pages": 112,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Patient+registry&page=45&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Patient+registry&page=43&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T06:41:16.782Z",
  "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": "NCT01013350",
      "title": "Prospective Observational Long-term Safety Registry of Multiple Sclerosis Participants Who Have Participated in Cladribine Clinical Trials",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "EMD Serono",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1161,
      "start_date": "2009-11-30",
      "completion_date": "2018-10-25",
      "has_results": true,
      "last_update_posted_date": "2019-11-15",
      "last_synced_at": "2026-10-24T06:41:16.782Z",
      "location_count": 1,
      "location_summary": "Cambridge, Massachusetts",
      "locations": [
        {
          "city": "Cambridge",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01013350"
    },
    {
      "nct_id": "NCT03617237",
      "title": "Registry Study to Evaluate the Clinical Outcome of Cancer Patients and Benign Diseases Treated With Radiation",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Retrospective Populations",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 10000,
      "start_date": "2012-07-03",
      "completion_date": "2032-04-18",
      "has_results": false,
      "last_update_posted_date": "2026-04-17",
      "last_synced_at": "2026-10-24T06:41:16.782Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03617237"
    },
    {
      "nct_id": "NCT03603275",
      "title": "Assessing Physician and Hemophilia A Patient Reasons and Expectations for Switching Treatment to Kovaltry & Jivi: A Nested Study Within an Existing Registry",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hemophilia A"
      ],
      "interventions": [
        {
          "name": "New FVIII products",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 3,
      "start_date": "2018-08-06",
      "completion_date": "2020-05-14",
      "has_results": false,
      "last_update_posted_date": "2022-08-25",
      "last_synced_at": "2026-10-24T06:41:16.782Z",
      "location_count": 27,
      "location_summary": "La Jolla, California • Aurora, Colorado • New Haven, Connecticut + 23 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03603275"
    },
    {
      "nct_id": "NCT02543281",
      "title": "Adaptive CRT Effect on Electrical Dyssynchrony",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiomyopathy",
        "Heart Failure",
        "Left Bundle Branch Block"
      ],
      "interventions": [
        {
          "name": "Adaptive cardiac resynchronization therapy",
          "type": "DEVICE"
        },
        {
          "name": "Conventional Cardiac Resynchronization Therapy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Larisa Tereshchenko",
      "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": "2015-04",
      "completion_date": "2021-09-01",
      "has_results": true,
      "last_update_posted_date": "2025-03-20",
      "last_synced_at": "2026-10-24T06:41:16.782Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02543281"
    },
    {
      "nct_id": "NCT03589456",
      "title": "Establishment of a PDT Patient Registry",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "No intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Concordia Laboratories Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2019-01-18",
      "completion_date": "2020-01-15",
      "has_results": false,
      "last_update_posted_date": "2020-02-24",
      "last_synced_at": "2026-10-24T06:41:16.782Z",
      "location_count": 10,
      "location_summary": "Concord, California • Los Angeles, California • Gainesville, Florida + 7 more",
      "locations": [
        {
          "city": "Concord",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Lisle",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03589456"
    },
    {
      "nct_id": "NCT03878069",
      "title": "Registry Study of Revcovi Treatment in Patients With ADA-SCID",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Adenosine Deaminase Severe Combined Immunodeficiency"
      ],
      "interventions": [
        {
          "name": "elapegademase-lvlr",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Chiesi Farmaceutici S.p.A.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Months",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "0 Months to 65 Years"
      },
      "enrollment_count": 32,
      "start_date": "2019-09-30",
      "completion_date": "2023-01-18",
      "has_results": true,
      "last_update_posted_date": "2024-11-15",
      "last_synced_at": "2026-10-24T06:41:16.782Z",
      "location_count": 14,
      "location_summary": "Los Angeles, California • San Diego, California • San Francisco, California + 11 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03878069"
    },
    {
      "nct_id": "NCT02356822",
      "title": "Sarah Cannon Outcomes Registry",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Oncology"
      ],
      "interventions": [
        {
          "name": "Patient registry",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "SCRI Development Innovations, LLC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2014-12",
      "completion_date": "2024-12",
      "has_results": false,
      "last_update_posted_date": "2023-12-05",
      "last_synced_at": "2026-10-24T06:41:16.782Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02356822"
    },
    {
      "nct_id": "NCT01074151",
      "title": "The Cymbalta Pregnancy Registry",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "duloxetine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "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": 144,
      "start_date": "2009-07",
      "completion_date": "2021-07-26",
      "has_results": false,
      "last_update_posted_date": "2022-07-18",
      "last_synced_at": "2026-10-24T06:41:16.782Z",
      "location_count": 1,
      "location_summary": "Wilmington, North Carolina",
      "locations": [
        {
          "city": "Wilmington",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01074151"
    },
    {
      "nct_id": "NCT01191151",
      "title": "Web Based Orthopaedic Sports Medicine Registry",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Degenerative and Traumatic Pathology of the Knee",
        "Degenerative and Traumatic Pathology of the Shoulder and Elbow",
        "Degenerative and Traumatic Pathology of the Foot and Ankle",
        "Degenerative and Traumatic Pathology of the Hand and Wrist",
        "Degenerative and Traumatic Pathology of the Hip"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Arthrex, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 12500,
      "start_date": "2010-09",
      "completion_date": "2023-07-30",
      "has_results": false,
      "last_update_posted_date": "2024-08-09",
      "last_synced_at": "2026-10-24T06:41:16.782Z",
      "location_count": 220,
      "location_summary": "Birmingham, Alabama • Montgomery, Alabama • Anchorage, Alaska + 171 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01191151"
    },
    {
      "nct_id": "NCT03802981",
      "title": "A Registry for Patients With Multifocal Ground Glass Opacities (GGOs)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Ground Glass Opacities (GGOs)"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 338,
      "start_date": "2019-01-09",
      "completion_date": "2027-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-23",
      "last_synced_at": "2026-10-24T06:41:16.782Z",
      "location_count": 29,
      "location_summary": "San Diego, California • Stanford, California • Hartford, Connecticut + 18 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Hartford",
          "state": "Connecticut"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03802981"
    }
  ]
}