{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Longitudinal+Studies&page=19",
    "query": {
      "condition": "Longitudinal Studies",
      "page": 19
    },
    "page_size": 10
  },
  "pagination": {
    "page": 19,
    "page_size": 10,
    "total_count": 8678,
    "total_pages": 868,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Longitudinal+Studies&page=20&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Longitudinal+Studies&page=18&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-02T02:23:09.518Z",
  "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": "NCT05648851",
      "title": "A Natural History Study of Sanfilippo Syndrome Type D",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sanfilippo Syndrome Type D"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Phoenix Nest",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Months and older"
      },
      "enrollment_count": 10,
      "start_date": "2023-01-22",
      "completion_date": "2024-11-01",
      "has_results": false,
      "last_update_posted_date": "2025-08-01",
      "last_synced_at": "2026-11-02T02:23:09.518Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05648851"
    },
    {
      "nct_id": "NCT03233841",
      "title": "Farber Disease Natural History Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Farber Disease",
        "Farber's Disease",
        "Farber Lipogranulomatosis",
        "Acid Ceramidase Deficiency",
        "Ceramidase Deficiency",
        "N-Laurylsphingosine Deacylase Deficiency",
        "ASAH1 Mutation"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Sumitomo Pharma Switzerland GmbH",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 45,
      "start_date": "2017-11-22",
      "completion_date": "2019-12-09",
      "has_results": false,
      "last_update_posted_date": "2020-01-18",
      "last_synced_at": "2026-11-02T02:23:09.518Z",
      "location_count": 2,
      "location_summary": "Oakland, California • Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03233841"
    },
    {
      "nct_id": "NCT01940354",
      "title": "Comparison of AccuCath IV Catheter and Conventional IV Catheter in Interventional Radiology",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vascular Access Complications"
      ],
      "interventions": [
        {
          "name": "AccuCath IV Catheter System",
          "type": "DEVICE"
        },
        {
          "name": "Conventional IV Catheter System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "C. R. Bard",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 220,
      "start_date": "2013-08",
      "completion_date": "2015-03",
      "has_results": true,
      "last_update_posted_date": "2017-11-09",
      "last_synced_at": "2026-11-02T02:23:09.518Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01940354"
    },
    {
      "nct_id": "NCT01328405",
      "title": "Air-Q Intubating Laryngeal Airway Versus the Laryngeal Mask Airway (LMA)-Proseal",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Difficult Airway",
        "Anesthesia; Functional"
      ],
      "interventions": [
        {
          "name": "Laryngeal Mask Airway (LMA)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2009-10",
      "completion_date": "2010-04",
      "has_results": true,
      "last_update_posted_date": "2015-10-23",
      "last_synced_at": "2026-11-02T02:23:09.518Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01328405"
    },
    {
      "nct_id": "NCT06226129",
      "title": "Gadopiclenol in Contrast Enhanced MRI of the Prostate",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Gadopiclenol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 150,
      "start_date": "2024-02-14",
      "completion_date": "2028-02-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-20",
      "last_synced_at": "2026-11-02T02:23:09.518Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06226129"
    },
    {
      "nct_id": "NCT04387656",
      "title": "NCI COVID-19 in Cancer Patients, NCCAPS Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19 Infection",
        "Hematopoietic and Lymphatic System Neoplasm",
        "Malignant Solid Neoplasm",
        "Metastatic Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Data Collection",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1877,
      "start_date": "2020-06-05",
      "completion_date": "2027-10-14",
      "has_results": false,
      "last_update_posted_date": "2026-10-26",
      "last_synced_at": "2026-11-02T02:23:09.518Z",
      "location_count": 928,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 589 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04387656"
    },
    {
      "nct_id": "NCT01203956",
      "title": "DeVilbiss AutoAdjust With SmartFlex Comparative Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obstructive Sleep Apnea"
      ],
      "interventions": [
        {
          "name": "SmartFlex",
          "type": "DEVICE"
        },
        {
          "name": "Standard",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "DeVilbiss Healthcare LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2010-09",
      "completion_date": "2011-05",
      "has_results": true,
      "last_update_posted_date": "2015-04-28",
      "last_synced_at": "2026-11-02T02:23:09.518Z",
      "location_count": 2,
      "location_summary": "Dallas, Texas • San Antonio, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01203956"
    },
    {
      "nct_id": "NCT00711022",
      "title": "Study on ASTRA TECH Implant System, OsseoSpeed™ Implants in Patients Missing All Teeth in the Upper Jaw, Restored With Provisional Teeth Within 24 Hours",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Jaw, Edentulous"
      ],
      "interventions": [
        {
          "name": "ASTRA TECH Implant System, OsseoSpeed™, all dimensions.",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Dentsply Sirona Implants and Consumables",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "20 Years and older"
      },
      "enrollment_count": 51,
      "start_date": "2005-05",
      "completion_date": "2012-03",
      "has_results": true,
      "last_update_posted_date": "2014-07-16",
      "last_synced_at": "2026-11-02T02:23:09.518Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00711022"
    },
    {
      "nct_id": "NCT01439802",
      "title": "Copper Intrauterine Device (IUD) Insertion at Cesarean Delivery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Intrauterine Device Expulsion"
      ],
      "interventions": [
        {
          "name": "Copper IUD placement at time Cesarean Delivery (Copper T 380A)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Albert Einstein College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 90,
      "start_date": "2008-08",
      "completion_date": "2010-05",
      "has_results": true,
      "last_update_posted_date": "2023-04-07",
      "last_synced_at": "2026-11-02T02:23:09.518Z",
      "location_count": 2,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01439802"
    },
    {
      "nct_id": "NCT00729261",
      "title": "A Prospective Trial of Elective Extubation in Brain Injured Patients.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Brain Injury"
      ],
      "interventions": [
        {
          "name": "extubation",
          "type": "PROCEDURE"
        },
        {
          "name": "continued intubation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2004-08",
      "completion_date": "2006-05",
      "has_results": false,
      "last_update_posted_date": "2015-04-28",
      "last_synced_at": "2026-11-02T02:23:09.518Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00729261"
    }
  ]
}