{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Longitudinal&page=34",
    "query": {
      "intervention": "Longitudinal",
      "page": 34
    },
    "page_size": 10
  },
  "pagination": {
    "page": 34,
    "page_size": 10,
    "total_count": 1254,
    "total_pages": 126,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Longitudinal&page=35&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Longitudinal&page=33&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-01T23:51:09.988Z",
  "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": "NCT05297071",
      "title": "Longitudinal Monitoring of Microsurgical Socket Augmentation Healing With Ultrasonography",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healing Wound"
      ],
      "interventions": [
        {
          "name": "Orascopic HDL 3.0 Loupes",
          "type": "DEVICE"
        },
        {
          "name": "Semorr DOM3000D Operation Microscope",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Michigan",
      "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": "2022-03-22",
      "completion_date": "2023-07-21",
      "has_results": false,
      "last_update_posted_date": "2024-02-28",
      "last_synced_at": "2026-11-01T23:51:09.988Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05297071"
    },
    {
      "nct_id": "NCT00056719",
      "title": "Genetic Determinants of Ankylosing Spondylitis Severity - Longitudinal Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ankylosing Spondylitis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 299,
      "start_date": "2003-06-19",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2025-12-08",
      "last_synced_at": "2026-11-01T23:51:09.988Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00056719"
    },
    {
      "nct_id": "NCT05005819",
      "title": "Evaluation of [18F]APN-1607 as a PET Biomarker",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Progressive Supranuclear Palsy",
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "[18F] APN-1607",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Invicro",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "50 Years to 80 Years"
      },
      "enrollment_count": 12,
      "start_date": "2021-05-25",
      "completion_date": "2024-01-09",
      "has_results": false,
      "last_update_posted_date": "2025-02-20",
      "last_synced_at": "2026-11-01T23:51:09.988Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05005819"
    },
    {
      "nct_id": "NCT04007536",
      "title": "A Study of Potential Treatment-Responsive Biomarkers and Clinical Outcomes in Hunter Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Mucopolysaccharidosis II"
      ],
      "interventions": [
        {
          "name": "No Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Denali Therapeutics Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "Up to 30 Years"
      },
      "enrollment_count": 18,
      "start_date": "2019-10-23",
      "completion_date": "2024-03-01",
      "has_results": false,
      "last_update_posted_date": "2024-06-10",
      "last_synced_at": "2026-11-01T23:51:09.988Z",
      "location_count": 3,
      "location_summary": "Oakland, California • Chapel Hill, North Carolina • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04007536"
    },
    {
      "nct_id": "NCT03104244",
      "title": "Longitudinal Brain Health in Youth Tackle Football Players",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Concussion, Brain",
        "Athletic Injuries"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "More Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "19 Years",
        "sex": "MALE",
        "summary": "9 Years to 19 Years · Male only"
      },
      "enrollment_count": 280,
      "start_date": "2016-07",
      "completion_date": "2020-08",
      "has_results": false,
      "last_update_posted_date": "2017-06-12",
      "last_synced_at": "2026-11-01T23:51:09.988Z",
      "location_count": 1,
      "location_summary": "Brighton, Michigan",
      "locations": [
        {
          "city": "Brighton",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03104244"
    },
    {
      "nct_id": "NCT00345930",
      "title": "DILIN - Prospective Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Liver Diseases"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 4000,
      "start_date": "2004-09",
      "completion_date": "2028-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-08",
      "last_synced_at": "2026-11-01T23:51:09.988Z",
      "location_count": 6,
      "location_summary": "Los Angeles, California • Indianapolis, Indiana • Bethesda, Maryland + 3 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00345930"
    },
    {
      "nct_id": "NCT00315471",
      "title": "Determining Disease Activity Biomarkers in Individuals With Takayasu's Arteritis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Takayasu's Arteritis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 224,
      "start_date": "2006-04",
      "completion_date": "2019-12",
      "has_results": false,
      "last_update_posted_date": "2022-07-12",
      "last_synced_at": "2026-11-01T23:51:09.988Z",
      "location_count": 7,
      "location_summary": "Boston, Massachusetts • Rochester, Minnesota • Cleveland, Ohio + 3 more",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00315471"
    },
    {
      "nct_id": "NCT04315402",
      "title": "The Impact of Provider Demographics on Patients' Continuity of Care",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Race Concordant Patient-provider Relationship",
        "Race Discordant Patient-provider Relationship",
        "Rate of No-show at Follow-up Visits"
      ],
      "interventions": [
        {
          "name": "prospective, descriptive study via survey",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "TriHealth Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 415,
      "start_date": "2020-08-12",
      "completion_date": "2021-03",
      "has_results": false,
      "last_update_posted_date": "2020-10-12",
      "last_synced_at": "2026-11-01T23:51:09.988Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04315402"
    },
    {
      "nct_id": "NCT01846312",
      "title": "An Observational Study to Assess Longitudinal Variation of Immune Biomarkers in Subjects at Risk for Development of Type 1 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetes",
        "Diabetes Mellitus, Type 1"
      ],
      "interventions": [
        {
          "name": "No treatment given",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Novo Nordisk A/S",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "4 Years to 40 Years"
      },
      "enrollment_count": 40,
      "start_date": "2013-05",
      "completion_date": "2015-09",
      "has_results": false,
      "last_update_posted_date": "2015-09-23",
      "last_synced_at": "2026-11-01T23:51:09.988Z",
      "location_count": 1,
      "location_summary": "Princeton, New Jersey",
      "locations": [
        {
          "city": "Princeton",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01846312"
    },
    {
      "nct_id": "NCT01309971",
      "title": "DPBRN Longitudinal Study of Questionable Occlusal Caries Lesions",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Dental Caries"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Dental Practice-Based Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Years and older"
      },
      "enrollment_count": 2624,
      "start_date": "2008-08",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2014-02-19",
      "last_synced_at": "2026-11-01T23:51:09.988Z",
      "location_count": 6,
      "location_summary": "Birmingham, Alabama • Gainesville, Florida • Minneapolis, Minnesota + 1 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01309971"
    }
  ]
}