{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Patient+registry&page=29",
    "query": {
      "intervention": "Patient registry",
      "page": 29
    },
    "page_size": 10
  },
  "pagination": {
    "page": 29,
    "page_size": 10,
    "total_count": 1112,
    "total_pages": 112,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Patient+registry&page=30&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Patient+registry&page=28&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T04:38:30.473Z",
  "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": "NCT00074568",
      "title": "Scleroderma Registry",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Systemic Sclerosis",
        "Scleroderma"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 5000,
      "start_date": "2000-09",
      "completion_date": "2022-01",
      "has_results": false,
      "last_update_posted_date": "2022-09-27",
      "last_synced_at": "2026-10-22T04:38:30.473Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00074568"
    },
    {
      "nct_id": "NCT04091984",
      "title": "The PROspera Kidney Transplant ACTIVE Rejection Assessment Registry (ProActive)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Kidney Transplant Rejection"
      ],
      "interventions": [
        {
          "name": "Prospera",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Natera, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5000,
      "start_date": "2019-11-06",
      "completion_date": "2027-10-01",
      "has_results": false,
      "last_update_posted_date": "2024-08-06",
      "last_synced_at": "2026-10-22T04:38:30.473Z",
      "location_count": 55,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 45 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04091984"
    },
    {
      "nct_id": "NCT03160547",
      "title": "The Effect of Higher Protein Dosing in Critically Ill Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Critical Illness",
        "Malnutrition"
      ],
      "interventions": [
        {
          "name": "Usual Protein/Amino Acid Group",
          "type": "OTHER"
        },
        {
          "name": "Higher Protein/Amino Acid Group",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Clinical Evaluation Research Unit at Kingston General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1329,
      "start_date": "2017-11-21",
      "completion_date": "2021-12-03",
      "has_results": false,
      "last_update_posted_date": "2022-03-28",
      "last_synced_at": "2026-10-22T04:38:30.473Z",
      "location_count": 21,
      "location_summary": "Phoenix, Arizona • Long Beach, California • Evanston, Illinois + 17 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Evanston",
          "state": "Illinois"
        },
        {
          "city": "Rockford",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03160547"
    },
    {
      "nct_id": "NCT04477889",
      "title": "Methodist Health System COVID-19 Patient Registry",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Treatment for COVID-19",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Methodist Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 550,
      "start_date": "2020-06-20",
      "completion_date": "2025-06-16",
      "has_results": false,
      "last_update_posted_date": "2026-05-19",
      "last_synced_at": "2026-10-22T04:38:30.473Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04477889"
    },
    {
      "nct_id": "NCT05539196",
      "title": "A Post-Approval Registry for Exablate 4000 Type 1.0 and Type 1.1 for Unilateral Pallidotomy for the Treatment of Advanced, Idiopathic Parkinson's Disease With Medication-refractory Moderate to Severe Motor Complications",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Movement Disorders",
        "Neurology",
        "Parkinsons Disease"
      ],
      "interventions": [
        {
          "name": "Exablate Pallidotomy, Unilateral",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "InSightec",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "30 Years to 99 Years"
      },
      "enrollment_count": 60,
      "start_date": "2023-01-23",
      "completion_date": "2029-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-20",
      "last_synced_at": "2026-10-22T04:38:30.473Z",
      "location_count": 4,
      "location_summary": "Baltimore, Maryland • New York, New York • Philadelphia, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05539196"
    },
    {
      "nct_id": "NCT02560883",
      "title": "Hairy Cell Leukemia Patient Data Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Leukemia, Other"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5000,
      "start_date": "2013-01-02",
      "completion_date": "2030-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-02",
      "last_synced_at": "2026-10-22T04:38:30.473Z",
      "location_count": 5,
      "location_summary": "Miami, Florida • Miami Beach, Florida • Rochester, Minnesota + 2 more",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Miami Beach",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02560883"
    },
    {
      "nct_id": "NCT06617741",
      "title": "Myasthenia Gravis Foundation of America Global MG Patient Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Myasthaenia Gravis",
        "Myasthenia",
        "Myasthenia Gravis Associated with Thymoma",
        "Myasthenia Gravis Crisis",
        "Myasthenia Gravis Exacerbations",
        "Myasthenia Gravis Generalised",
        "Myasthenia Gravis with Exacerbation (Disorder)",
        "Myasthenia Gravis, Adult Form",
        "Myasthenia Gravis, Generalized",
        "Myasthenia Gravis, Ocular",
        "Myasthenia Gravis, Thymectomy",
        "Myasthenia Gravis",
        "Myasthenia Gravis, MuSK"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Myasthenia Gravis Foundation of America",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3800,
      "start_date": "2013-10-12",
      "completion_date": "2029-09-19",
      "has_results": false,
      "last_update_posted_date": "2024-09-27",
      "last_synced_at": "2026-10-22T04:38:30.473Z",
      "location_count": 1,
      "location_summary": "Westborough, Massachusetts",
      "locations": [
        {
          "city": "Westborough",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06617741"
    },
    {
      "nct_id": "NCT01570491",
      "title": "A Real-Time Ultrasound Guided Approach For Spinal Anesthesia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Patients Aged 55 or Older",
        "BMI More Than 40 kg/m2",
        "Scoliosis"
      ],
      "interventions": [
        {
          "name": "ultrasound-guided spinal anesthesia",
          "type": "OTHER"
        },
        {
          "name": "standard spinal anesthesia",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 38,
      "start_date": "2012-03",
      "completion_date": "2016-12",
      "has_results": true,
      "last_update_posted_date": "2019-07-26",
      "last_synced_at": "2026-10-22T04:38:30.473Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01570491"
    },
    {
      "nct_id": "NCT00588562",
      "title": "Rare Kidney Stone Consortium Patient Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Primary Hyperoxaluria",
        "Dent Disease",
        "Cystinuria",
        "APRT Deficiency"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "0 Years to 100 Years"
      },
      "enrollment_count": 730,
      "start_date": "2003-07",
      "completion_date": "2028-06",
      "has_results": false,
      "last_update_posted_date": "2026-07-10",
      "last_synced_at": "2026-10-22T04:38:30.473Z",
      "location_count": 3,
      "location_summary": "Rochester, Minnesota • New York, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00588562"
    },
    {
      "nct_id": "NCT06699940",
      "title": "A Retrospective Study to Evaluate NeuroStar® Advanced Therapy in Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "MDD"
      ],
      "interventions": [
        {
          "name": "Transcranial Magnetic Stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Neuronetics",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "12 Years to 21 Years"
      },
      "enrollment_count": 7690,
      "start_date": "2023-05-01",
      "completion_date": "2023-05-01",
      "has_results": false,
      "last_update_posted_date": "2025-01-06",
      "last_synced_at": "2026-10-22T04:38:30.473Z",
      "location_count": 1,
      "location_summary": "Malvern, Pennsylvania",
      "locations": [
        {
          "city": "Malvern",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06699940"
    }
  ]
}