{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Registry+study&page=9",
    "query": {
      "intervention": "Registry study",
      "page": 9
    },
    "page_size": 10
  },
  "pagination": {
    "page": 9,
    "page_size": 10,
    "total_count": 785,
    "total_pages": 79,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Registry+study&page=10&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Registry+study&page=8&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-30T17:43:35.025Z",
  "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": "NCT00223340",
      "title": "The ABC Planning Study: Diabetes and Cardiovascular Risks in Primary Care",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes"
      ],
      "interventions": [
        {
          "name": "Patient Activation and Diabetes Registry",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The University of Texas Health Science Center at San Antonio",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 400,
      "start_date": "2005-03",
      "completion_date": "2007-06",
      "has_results": false,
      "last_update_posted_date": "2012-07-02",
      "last_synced_at": "2026-10-30T17:43:35.025Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00223340"
    },
    {
      "nct_id": "NCT01357408",
      "title": "Heart Failure and Risk of Re-Admissions Determined by Abnormal REVEAL Parameters",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2011-05",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-01-07",
      "last_synced_at": "2026-10-30T17:43:35.025Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01357408"
    },
    {
      "nct_id": "NCT05375097",
      "title": "Real-world Impact of Erenumab on Sick-leaves, Health Care Resource Use and Comorbidities.",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Migraine"
      ],
      "interventions": [
        {
          "name": "Erenumab",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 162,
      "start_date": "2020-07-03",
      "completion_date": "2021-05-14",
      "has_results": false,
      "last_update_posted_date": "2022-07-01",
      "last_synced_at": "2026-10-30T17:43:35.025Z",
      "location_count": 1,
      "location_summary": "East Hanover, New Jersey",
      "locations": [
        {
          "city": "East Hanover",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05375097"
    },
    {
      "nct_id": "NCT01708408",
      "title": "The MURDOCK Study Registry and Biorepository Horizon 1.5",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Disease",
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Biomarker studies",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50000,
      "start_date": "2009-02",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-02-04",
      "last_synced_at": "2026-10-30T17:43:35.025Z",
      "location_count": 1,
      "location_summary": "Kannapolis, North Carolina",
      "locations": [
        {
          "city": "Kannapolis",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01708408"
    },
    {
      "nct_id": "NCT05694663",
      "title": "Vagal Nerve Stimulation in Enhanced Stroke Recovery: The VALOR Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Ischemic Stroke"
      ],
      "interventions": [
        {
          "name": "Vivistim",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2024-10-09",
      "completion_date": "2028-02",
      "has_results": false,
      "last_update_posted_date": "2026-05-08",
      "last_synced_at": "2026-10-30T17:43:35.025Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05694663"
    },
    {
      "nct_id": "NCT05880537",
      "title": "Decellularized Femoral Artery Allograft (Nexeon AVX) Prospective Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "End-Stage Renal Disease"
      ],
      "interventions": [
        {
          "name": "Nexeon Arterial Venous Allograft",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "LifeNet Health",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2023-06-06",
      "completion_date": "2028-12-15",
      "has_results": false,
      "last_update_posted_date": "2026-09-15",
      "last_synced_at": "2026-10-30T17:43:35.025Z",
      "location_count": 4,
      "location_summary": "Mobile, Alabama • Sylmar, California • Torrance, California + 1 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Sylmar",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05880537"
    },
    {
      "nct_id": "NCT05365308",
      "title": "EHR-based Patient Identification and Panel Management of Patients With Iron Deficiency Anemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Iron-deficiency Anemia"
      ],
      "interventions": [
        {
          "name": "Clinical supports",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2022-02-28",
      "completion_date": "2023-01-11",
      "has_results": false,
      "last_update_posted_date": "2023-02-08",
      "last_synced_at": "2026-10-30T17:43:35.025Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05365308"
    },
    {
      "nct_id": "NCT06127797",
      "title": "Surveillance MRI Registry for Patients Who Had Breast Cancer With Dense Breast Tissue",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Questionnaire/Interview",
          "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": 1000,
      "start_date": "2024-01-11",
      "completion_date": "2029-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-10",
      "last_synced_at": "2026-10-30T17:43:35.025Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06127797"
    },
    {
      "nct_id": "NCT04813926",
      "title": "A Study to Learn About How Well Riociguat Works, How Safe it is and How it is Used Under Real World Conditions in Patients in the United States Who Are Receiving Riociguat for High Blood Pressure in the Arteries That Carry Blood From the Heart to the Lungs (Pulmonary Arterial Hypertension, PAH)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Arterial Hypertension"
      ],
      "interventions": [
        {
          "name": "Riociguat (Adempas, BAY63-2521)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2021-07-16",
      "completion_date": "2025-02-03",
      "has_results": false,
      "last_update_posted_date": "2025-02-10",
      "last_synced_at": "2026-10-30T17:43:35.025Z",
      "location_count": 49,
      "location_summary": "Phoenix, Arizona • Tucson, Arizona • Fresno, California + 38 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04813926"
    },
    {
      "nct_id": "NCT03378219",
      "title": "An Observational Study on Sarilumab-exposed Pregnancies",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Rheumatoid Arthritis -Exposure During Pregnancy"
      ],
      "interventions": [
        {
          "name": "Sarilumab SAR153191 (REGN88)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 113,
      "start_date": "2018-05-18",
      "completion_date": "2024-12-06",
      "has_results": false,
      "last_update_posted_date": "2025-01-17",
      "last_synced_at": "2026-10-30T17:43:35.025Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03378219"
    }
  ]
}