{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Longitudinal&page=36",
    "query": {
      "intervention": "Longitudinal",
      "page": 36
    },
    "page_size": 10
  },
  "pagination": {
    "page": 36,
    "page_size": 10,
    "total_count": 1258,
    "total_pages": 126,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Longitudinal&page=37&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Longitudinal&page=35&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-02T17:26:10.618Z",
  "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": "NCT07772323",
      "title": "Bedside Cranial Ultrasound for Risk-Stratified Imaging in Pediatric Acute Brain Injury",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Brain Injury",
        "Traumatic Brain Injury",
        "Intracranial Hemorrhage",
        "Hydrocephalus",
        "Stroke",
        "Brain Neoplasm",
        "Hypoxia-Ischemia, Brain"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "2 Years to 17 Years"
      },
      "enrollment_count": 220,
      "start_date": "2026-11-30",
      "completion_date": "2028-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-11-02T17:26:10.618Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07772323"
    },
    {
      "nct_id": "NCT04114123",
      "title": "The Development of Reward Response to Food in Infancy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Eating Behavior"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1166,
      "start_date": "2019-11-13",
      "completion_date": "2024-06-19",
      "has_results": false,
      "last_update_posted_date": "2024-11-26",
      "last_synced_at": "2026-11-02T17:26:10.618Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04114123"
    },
    {
      "nct_id": "NCT03813862",
      "title": "Observational Pharmaco-Epidemiology Research & Analysis",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Disease",
        "HIV/AIDS",
        "Liver Diseases",
        "Inflammatory Bowel Diseases",
        "Cardiovascular Diseases",
        "Rheumatic Diseases",
        "Neurodegenerative Diseases"
      ],
      "interventions": [
        {
          "name": "Non-interventional (observational only)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Epividian",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "0 Years and older"
      },
      "enrollment_count": 2000000,
      "start_date": "2013-12-01",
      "completion_date": "2035-11",
      "has_results": false,
      "last_update_posted_date": "2026-09-11",
      "last_synced_at": "2026-11-02T17:26:10.618Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03813862"
    },
    {
      "nct_id": "NCT07493460",
      "title": "Longitudinal Tracking of Bone Marrow Plasma Cell Responses to Licensed Human Vaccines",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Immunology",
        "Healthy Adults"
      ],
      "interventions": [
        {
          "name": "trivalent inactivated influenza vaccine (TIV)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "nonavalent HPV vaccine (HPV)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "hepatitis A (HAV) vaccines",
          "type": "BIOLOGICAL"
        },
        {
          "name": "tetanus, diphtheria and acellular pertussis vaccine (Tdap)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2025-08-26",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-07-01",
      "last_synced_at": "2026-11-02T17:26:10.618Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07493460"
    },
    {
      "nct_id": "NCT05336396",
      "title": "Impact of Brief Motivational Interviewing on Periodontal Clinical Outcomes: a 3-year Post-trial Follow-up",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Periodontal Diseases",
        "Plaque Score",
        "Bleeding on Probing",
        "Gingival Index"
      ],
      "interventions": [
        {
          "name": "BMI",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 58,
      "start_date": "2019-05-20",
      "completion_date": "2023-03-25",
      "has_results": false,
      "last_update_posted_date": "2023-07-03",
      "last_synced_at": "2026-11-02T17:26:10.618Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05336396"
    },
    {
      "nct_id": "NCT05155046",
      "title": "18F-DCFPyL Imaging as a Method to Assess Treatment Response to Stereotactic Body Radiation Therapy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Localized Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "18F-DCFPyL",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "MALE",
        "summary": "18 Years to 120 Years · Male only"
      },
      "enrollment_count": 130,
      "start_date": "2022-08-31",
      "completion_date": "2029-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-16",
      "last_synced_at": "2026-11-02T17:26:10.618Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05155046"
    },
    {
      "nct_id": "NCT05780918",
      "title": "A Communication Tool to Improve Communication in the ICU",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Serious Injury",
        "Communication"
      ],
      "interventions": [
        {
          "name": "Best Case/Worst Case-ICU Communication Tool",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 7320,
      "start_date": "2023-07-01",
      "completion_date": "2026-12-31",
      "has_results": true,
      "last_update_posted_date": "2026-10-19",
      "last_synced_at": "2026-11-02T17:26:10.618Z",
      "location_count": 8,
      "location_summary": "Birmingham, Alabama • Davis, California • Atlanta, Georgia + 5 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Davis",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Allentown",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05780918"
    },
    {
      "nct_id": "NCT06361524",
      "title": "Gut Microbiome Profiling in Patients With Chronic Heart Failure",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure With Reduced Ejection Fraction",
        "Nonischemic Cardiomyopathy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 150,
      "start_date": "2018-08-01",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2025-05-16",
      "last_synced_at": "2026-11-02T17:26:10.618Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06361524"
    },
    {
      "nct_id": "NCT04699786",
      "title": "Returning Research Results That Indicate Risk of Alzheimer Disease Dementia to Healthy Participants in Longitudinal Studies",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alzheimer Disease",
        "Dementia of Alzheimer Type"
      ],
      "interventions": [
        {
          "name": "Arm A , Arm B, Arm C, & Arm D",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 450,
      "start_date": "2021-02-19",
      "completion_date": "2026-06",
      "has_results": false,
      "last_update_posted_date": "2026-03-10",
      "last_synced_at": "2026-11-02T17:26:10.618Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04699786"
    },
    {
      "nct_id": "NCT04740229",
      "title": "Moderate-intensity Flow-based Yoga Effects on Cognition and Stress",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stress",
        "Psychological"
      ],
      "interventions": [
        {
          "name": "Yoga",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "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": 86,
      "start_date": "2021-02-10",
      "completion_date": "2021-08-30",
      "has_results": false,
      "last_update_posted_date": "2022-06-06",
      "last_synced_at": "2026-11-02T17:26:10.618Z",
      "location_count": 1,
      "location_summary": "Urbana, Illinois",
      "locations": [
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04740229"
    }
  ]
}