{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Patient+registry&page=4",
    "query": {
      "intervention": "Patient registry",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 1112,
    "total_pages": 112,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Patient+registry&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Patient+registry&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-19T10:26:19.797Z",
  "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": "NCT01909076",
      "title": "Transforming Opioid Prescribing in Primary Care",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain",
        "Opioid-Related Disorders"
      ],
      "interventions": [
        {
          "name": "Electronic decision support tools",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enhanced patient education materials",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nurse care management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Electronic Patient Registry",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Academic detailing",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Boston Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 53,
      "start_date": "2014-01",
      "completion_date": "2016-03",
      "has_results": false,
      "last_update_posted_date": "2016-03-03",
      "last_synced_at": "2026-10-19T10:26:19.797Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01909076"
    },
    {
      "nct_id": "NCT05090345",
      "title": "A Prospective Registry of Pediatric Cellular Therapy Patients at Risk for Endothelial Dysfunction, Sinusoidal Obstruction Syndrome and/or Multi-Organ Dysfunction Syndrome (MODS).",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hematopoietic Cell Transplantation"
      ],
      "interventions": [
        {
          "name": "Biorepository Trial",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "26 Years",
        "sex": "ALL",
        "summary": "0 Years to 26 Years"
      },
      "enrollment_count": 500,
      "start_date": "2019-11-19",
      "completion_date": "2028-02-05",
      "has_results": false,
      "last_update_posted_date": "2026-06-01",
      "last_synced_at": "2026-10-19T10:26:19.797Z",
      "location_count": 3,
      "location_summary": "Rochester, Minnesota • Durham, North Carolina • Houston, Texas",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05090345"
    },
    {
      "nct_id": "NCT02201264",
      "title": "Cardiovascular Patient Outcomes and Research Team Primary PCI Registry",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "ST Elevation Myocardial Infarction"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6726,
      "start_date": "2006-04",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2018-10-04",
      "last_synced_at": "2026-10-19T10:26:19.797Z",
      "location_count": 14,
      "location_summary": "Bryan, Ohio • Chardon, Ohio • Columbus, Ohio + 11 more",
      "locations": [
        {
          "city": "Bryan",
          "state": "Ohio"
        },
        {
          "city": "Chardon",
          "state": "Ohio"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Dayton",
          "state": "Ohio"
        },
        {
          "city": "Hamilton",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02201264"
    },
    {
      "nct_id": "NCT03031847",
      "title": "Cardiac Resynchronization in the Elderly",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Cardiac Resynchronization Therapy Pacemaker",
          "type": "DEVICE"
        },
        {
          "name": "Cardiac Resynchronization Therapy Defibrillator",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Samir Saba",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "75 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "75 Years and older"
      },
      "enrollment_count": 102,
      "start_date": "2017-03-21",
      "completion_date": "2021-08-18",
      "has_results": true,
      "last_update_posted_date": "2023-12-07",
      "last_synced_at": "2026-10-19T10:26:19.797Z",
      "location_count": 6,
      "location_summary": "Durham, North Carolina • Columbus, Ohio • Erie, Pennsylvania + 2 more",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Erie",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03031847"
    },
    {
      "nct_id": "NCT04107766",
      "title": "NOLA (NeuWave Observational Liver Ablation) Registry",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer of the Liver",
        "Liver Cancer",
        "Neoplasms, Liver"
      ],
      "interventions": [
        {
          "name": "Microwave Ablation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Ethicon, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 1254,
      "start_date": "2020-01-15",
      "completion_date": "2025-06-18",
      "has_results": true,
      "last_update_posted_date": "2026-04-17",
      "last_synced_at": "2026-10-19T10:26:19.797Z",
      "location_count": 14,
      "location_summary": "Loma Linda, California • Los Angeles, California • Sacramento, California + 9 more",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Sylmar",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04107766"
    },
    {
      "nct_id": "NCT01652157",
      "title": "Long-term Study in US Cystic Fibrosis Patients Receiving Digestive Enzyme Supplements to Assess Narrowing of the Large Intestine Causing Adverse Intestinal Symptoms (Fibrosing Colonopathy)",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Fibrosing Colonopathy"
      ],
      "interventions": [
        {
          "name": "ULTRESA",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PANCREAZE",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CREON",
          "type": "BIOLOGICAL"
        },
        {
          "name": "ZENPEP",
          "type": "BIOLOGICAL"
        },
        {
          "name": "other non-sponsor pancreatic enzyme replacement therapy",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PERTZYE",
          "type": "BIOLOGICAL"
        },
        {
          "name": "No pancreatic enzyme replacement therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "AbbVie",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Months",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "0 Months to 99 Years"
      },
      "enrollment_count": 17,
      "start_date": "2012-07-31",
      "completion_date": "2020-04-08",
      "has_results": false,
      "last_update_posted_date": "2021-03-22",
      "last_synced_at": "2026-10-19T10:26:19.797Z",
      "location_count": 123,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Phoenix, Arizona + 102 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01652157"
    },
    {
      "nct_id": "NCT03564483",
      "title": "Gynecologic Extramammary Paget's Disease",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Extramammary Paget's Disease",
        "Extramammary Paget Disease",
        "Paget Disease, Extramammary",
        "Extramammary Paget's Disease of Vulva (Diagnosis)",
        "Extramammary Paget's Disease of Vagina (Diagnosis)",
        "Extramammary Paget's Disease Vulva Invasive",
        "Extramammary Paget's Disease of Anus (Diagnosis)",
        "Extramammary Paget's Disease of Anal Canal (Diagnosis)",
        "Extramammary Paget's Disease of Skin"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Mayo Clinic",
      "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": 100,
      "start_date": "2018-02-19",
      "completion_date": "2050-12",
      "has_results": false,
      "last_update_posted_date": "2026-01-28",
      "last_synced_at": "2026-10-19T10:26:19.797Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03564483"
    },
    {
      "nct_id": "NCT00824928",
      "title": "Salvage Cryotherapy in Recurrent Prostate Cancer",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Recurrent Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Cryoablation / Cryotherapy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "80 Years",
        "sex": "MALE",
        "summary": "30 Years to 80 Years · Male only"
      },
      "enrollment_count": 60,
      "start_date": "2007-01",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2015-05-27",
      "last_synced_at": "2026-10-19T10:26:19.797Z",
      "location_count": 17,
      "location_summary": "Loma Linda, California • Sacremento, California • Ventura, California + 14 more",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Sacremento",
          "state": "California"
        },
        {
          "city": "Ventura",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Lakeland",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00824928"
    },
    {
      "nct_id": "NCT03324529",
      "title": "Autonomic Modulation in Takotsubo Syndrome",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Takotsubo Syndrome"
      ],
      "interventions": [
        {
          "name": "Tako Breath",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2021-10-01",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-03-05",
      "last_synced_at": "2026-10-19T10:26:19.797Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03324529"
    },
    {
      "nct_id": "NCT01944345",
      "title": "Patient Registry to Observe Outcomes Following Implantation of the VariLift Interbody Fusion Device",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prolapsed Lumbar Disc",
        "Prolapsed Cervical Disc",
        "Intervertebral Disc Degeneration",
        "Spondylolisthesis, Grade 1",
        "Intervertebral Disc Displacement"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Wenzel Spine",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 69,
      "start_date": "2013-06",
      "completion_date": "2015-09",
      "has_results": true,
      "last_update_posted_date": "2016-05-17",
      "last_synced_at": "2026-10-19T10:26:19.797Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts • San Antonio, Texas",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01944345"
    }
  ]
}