{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Longitudinal&page=20",
    "query": {
      "intervention": "Longitudinal",
      "page": 20
    },
    "page_size": 10
  },
  "pagination": {
    "page": 20,
    "page_size": 10,
    "total_count": 1254,
    "total_pages": 126,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Longitudinal&page=21&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Longitudinal&page=19&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-31T02:02:50.174Z",
  "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": "NCT05616546",
      "title": "Bone Marrow and Peripheral Blood Immune Responses Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Influenza Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 90,
      "start_date": "2023-10-16",
      "completion_date": "2029-12",
      "has_results": false,
      "last_update_posted_date": "2024-01-31",
      "last_synced_at": "2026-10-31T02:02:50.174Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05616546"
    },
    {
      "nct_id": "NCT07811362",
      "title": "CRPS-RISE Outcomes Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Complex Regional Pain Syndrome I (CRPS I)"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Ambros Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 270,
      "start_date": "2026-09-17",
      "completion_date": "2029-04-16",
      "has_results": false,
      "last_update_posted_date": "2026-09-29",
      "last_synced_at": "2026-10-31T02:02:50.174Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07811362"
    },
    {
      "nct_id": "NCT02396862",
      "title": "Patient Functioning and Well-being, Economic, and Clinical Impact of Hemophilia A and Its Treatment",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hemophilia A"
      ],
      "interventions": [
        {
          "name": "Available Recombinant, and Human Factor VIII products incl. Kogenate FS (Recombinant Factor VIII, BAY14-2222)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "16 Years and older · Male only"
      },
      "enrollment_count": 272,
      "start_date": "2015-12-09",
      "completion_date": "2018-03-26",
      "has_results": false,
      "last_update_posted_date": "2019-03-27",
      "last_synced_at": "2026-10-31T02:02:50.174Z",
      "location_count": 7,
      "location_summary": "Phoenix, Arizona • Aurora, Colorado • Washington D.C., District of Columbia + 4 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02396862"
    },
    {
      "nct_id": "NCT01088503",
      "title": "Treatment With Adenosine Diphosphate (ADP) Receptor Inhibitors: Longitudinal Assessment of Treatment Patterns and Events After Acute Coronary Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Coronary Syndrome"
      ],
      "interventions": [
        {
          "name": "ADP receptor inhibitors",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12227,
      "start_date": "2010-03",
      "completion_date": "2014-01",
      "has_results": true,
      "last_update_posted_date": "2016-01-29",
      "last_synced_at": "2026-10-31T02:02:50.174Z",
      "location_count": 185,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 182 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Fayetteville",
          "state": "Alaska"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01088503"
    },
    {
      "nct_id": "NCT00674882",
      "title": "Protocol For Collecting Long-Term Follow-Up Data On Recipients of Bone Marrow and Blood Stem Cell Transplant",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hematopoietic Stem Cell Transplantation"
      ],
      "interventions": [
        {
          "name": "Data Collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 637,
      "start_date": "2019-11-07",
      "completion_date": "2022-10-03",
      "has_results": false,
      "last_update_posted_date": "2024-12-18",
      "last_synced_at": "2026-10-31T02:02:50.174Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00674882"
    },
    {
      "nct_id": "NCT02911077",
      "title": "Longitudinal Changes in the Oral and Gut Microbiome of Individuals With Alcohol Dependence",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alcoholic Intoxication",
        "Alcohol-Related Disorders"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institutes of Health Clinical Center (CC)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 23,
      "start_date": "2016-09-27",
      "completion_date": "2017-08-29",
      "has_results": false,
      "last_update_posted_date": "2026-10-16",
      "last_synced_at": "2026-10-31T02:02:50.174Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02911077"
    },
    {
      "nct_id": "NCT01891760",
      "title": "Long-Term Follow-Up to the DEVO Pivotal Trial of Dermagraft(R) to Treat Venous Leg Ulcers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Venous Leg Ulcer"
      ],
      "interventions": [
        {
          "name": "Dermagraft",
          "type": "DEVICE"
        },
        {
          "name": "Profore",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Shire Regenerative Medicine, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 225,
      "start_date": "2010-05",
      "completion_date": "2012-06",
      "has_results": false,
      "last_update_posted_date": "2013-08-21",
      "last_synced_at": "2026-10-31T02:02:50.174Z",
      "location_count": 12,
      "location_summary": "Phoenix, Arizona • Fresno, California • Mather, California + 8 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Mather",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01891760"
    },
    {
      "nct_id": "NCT02546622",
      "title": "ATHN 2: Factor Switching Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hemophilia"
      ],
      "interventions": [
        {
          "name": "Factor VIII Replacement Products for Hemophilia which were FDA approved after January 1, 2013",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Factor IX Replacement Products for Hemophilia which were FDA approved after January 1, 2013",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "American Thrombosis and Hemostasis Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 310,
      "start_date": "2015-09",
      "completion_date": "2020-06-30",
      "has_results": false,
      "last_update_posted_date": "2021-12-09",
      "last_synced_at": "2026-10-31T02:02:50.174Z",
      "location_count": 27,
      "location_summary": "San Diego, California • Aurora, Colorado • New Haven, Connecticut + 23 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02546622"
    },
    {
      "nct_id": "NCT04234347",
      "title": "Long Versus Short Axis Approach for Ultrasound Guided Peripheral Intravenous Access",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Venous Access"
      ],
      "interventions": [
        {
          "name": "Intravenous access method",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Temple University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 98,
      "start_date": "2024-05-01",
      "completion_date": "2025-12-01",
      "has_results": false,
      "last_update_posted_date": "2024-04-11",
      "last_synced_at": "2026-10-31T02:02:50.174Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04234347"
    },
    {
      "nct_id": "NCT06466447",
      "title": "Child and Adolescent OCD Outcomes From Exposure and Response Prevention Video Teletherapy Treatment",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obsessive-Compulsive Disorder"
      ],
      "interventions": [
        {
          "name": "Exposure and response prevention therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "NOCD",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "4 Years to 17 Years"
      },
      "enrollment_count": 2173,
      "start_date": "2020-07-23",
      "completion_date": "2024-05-03",
      "has_results": false,
      "last_update_posted_date": "2024-06-26",
      "last_synced_at": "2026-10-31T02:02:50.174Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06466447"
    }
  ]
}