{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Patient+registry&page=25",
    "query": {
      "intervention": "Patient registry",
      "page": 25
    },
    "page_size": 10
  },
  "pagination": {
    "page": 25,
    "page_size": 10,
    "total_count": 1112,
    "total_pages": 112,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Patient+registry&page=26&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Patient+registry&page=24&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T21:45:59.721Z",
  "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": "NCT01000753",
      "title": "Collecting and Storing Tissue Samples From Patients With Rare or Cutaneous Non-Hodgkin Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Adult Immunoblastic Lymphoma",
        "Central Nervous System Non-Hodgkin Lymphoma",
        "Childhood Immunoblastic Lymphoma",
        "Grade 1 Follicular Lymphoma",
        "Grade 2 Follicular Lymphoma",
        "Grade 3 Follicular Lymphoma",
        "Lymphoproliferative Disorder",
        "Mantle Cell Lymphoma",
        "Marginal Zone Lymphoma",
        "Non-Hodgkin Lymphoma",
        "Primary Cutaneous B-Cell Non-Hodgkin Lymphoma",
        "Primary Cutaneous T-Cell Non-Hodgkin Lymphoma",
        "Small Lymphocytic Lymphoma"
      ],
      "interventions": [
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 174,
      "start_date": "2005-05-30",
      "completion_date": "2023-09-30",
      "has_results": false,
      "last_update_posted_date": "2023-10-03",
      "last_synced_at": "2026-10-21T21:45:59.721Z",
      "location_count": 119,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 93 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01000753"
    },
    {
      "nct_id": "NCT05848856",
      "title": "The RISC Registry--Risk Informed Screening Registry",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer Risk",
        "Cardiovascular Disease Risk",
        "Cardiometabolic Risk",
        "Diabetes"
      ],
      "interventions": [
        {
          "name": "Breast Cancer, Cardiometabolic, Cardiovascular Risk Screening and Follow up",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Precision Health Equity Initiative",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 100 Years · Female only"
      },
      "enrollment_count": 10000,
      "start_date": "2024-09-01",
      "completion_date": "2035-09-01",
      "has_results": false,
      "last_update_posted_date": "2024-07-11",
      "last_synced_at": "2026-10-21T21:45:59.721Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05848856"
    },
    {
      "nct_id": "NCT05634967",
      "title": "Kesimpta (Ofatumumab) Pregnancy Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Sclerosis",
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "Kesimpta",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 725,
      "start_date": "2023-01-05",
      "completion_date": "2033-02-28",
      "has_results": false,
      "last_update_posted_date": "2025-01-14",
      "last_synced_at": "2026-10-21T21:45:59.721Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05634967"
    },
    {
      "nct_id": "NCT02858245",
      "title": "A Feasibility Registry of Actigraphy Monitoring in Degenerative Mitral Regurgitation Subjects Receiving the MitraClip® Device",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Mitral Regurgitation"
      ],
      "interventions": [
        {
          "name": "No intervention - registry",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 30,
      "start_date": "2016-11",
      "completion_date": "2017-12",
      "has_results": false,
      "last_update_posted_date": "2018-05-07",
      "last_synced_at": "2026-10-21T21:45:59.721Z",
      "location_count": 8,
      "location_summary": "Phoenix, Arizona • Los Angeles, California • Aurora, Colorado + 5 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02858245"
    },
    {
      "nct_id": "NCT06166277",
      "title": "Cardioneuroablation for Recurrent Vasovagal Syncope and Bradyarrhythmias: The CNA-FWRD Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Vasovagal Syncope",
        "AV Block-2Nd Degree-Type 1",
        "Sinus Pause"
      ],
      "interventions": [
        {
          "name": "Ablation procedure",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Rush University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 300,
      "start_date": "2024-08-01",
      "completion_date": "2027-04-30",
      "has_results": false,
      "last_update_posted_date": "2025-09-18",
      "last_synced_at": "2026-10-21T21:45:59.721Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06166277"
    },
    {
      "nct_id": "NCT03231644",
      "title": "Fibrous Dysplasia, McCune-Albright Syndrome Patient Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Fibrous Dysplasia",
        "McCune Albright Syndrome",
        "Mazabraud Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Tovah Burstein",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 600,
      "start_date": "2016-10-31",
      "completion_date": "2028-10",
      "has_results": false,
      "last_update_posted_date": "2025-08-12",
      "last_synced_at": "2026-10-21T21:45:59.721Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03231644"
    },
    {
      "nct_id": "NCT03575364",
      "title": "ClotTriever Outcomes (CLOUT) Registry",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Deep Vein Thrombosis Leg",
        "DVT",
        "Chronic DVT of Lower Extremity",
        "Acute DVT of Lower Extremity"
      ],
      "interventions": [
        {
          "name": "ClotTriever",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Inari Medical",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 499,
      "start_date": "2018-09-01",
      "completion_date": "2024-07-02",
      "has_results": true,
      "last_update_posted_date": "2025-08-26",
      "last_synced_at": "2026-10-21T21:45:59.721Z",
      "location_count": 43,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Orange, California + 37 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03575364"
    },
    {
      "nct_id": "NCT01110733",
      "title": "Comprehensive Oncology Measures for Peripheral T-cell Lymphoma Treatment Registry",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Peripheral T-cell Lymphoma"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Acrotech Biopharma Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 3000,
      "start_date": "2010-02",
      "completion_date": "2019-12",
      "has_results": false,
      "last_update_posted_date": "2020-01-13",
      "last_synced_at": "2026-10-21T21:45:59.721Z",
      "location_count": 68,
      "location_summary": "Tuscaloosa, Alabama • Tucson, Arizona • Hot Springs, Arkansas + 54 more",
      "locations": [
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01110733"
    },
    {
      "nct_id": "NCT05646485",
      "title": "Bladder Cancer Screening Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bladder Cancer",
        "Urothelial Carcinoma",
        "Hematuria",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Urinalysis",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2023-05-05",
      "completion_date": "2028-04",
      "has_results": false,
      "last_update_posted_date": "2026-05-01",
      "last_synced_at": "2026-10-21T21:45:59.721Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05646485"
    },
    {
      "nct_id": "NCT01133535",
      "title": "Idiopathic Recurrent Acute Pancreatitis (IRAP)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pancreatitis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Wake Forest University Health Sciences",
      "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": "2010-06",
      "completion_date": "2014-04",
      "has_results": false,
      "last_update_posted_date": "2024-10-03",
      "last_synced_at": "2026-10-21T21:45:59.721Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01133535"
    }
  ]
}