{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Longitudinal&page=11",
    "query": {
      "intervention": "Longitudinal",
      "page": 11
    },
    "page_size": 10
  },
  "pagination": {
    "page": 11,
    "page_size": 10,
    "total_count": 1254,
    "total_pages": 126,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Longitudinal&page=12&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Longitudinal&page=10&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-29T21:46:07.797Z",
  "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": "NCT07362225",
      "title": "MPN PROGRESSion Registry: Observational Study Tracking Symptoms, Treatments, and Disease Progression in People With Myeloproliferative Neoplasms (MPNs)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Polycythemia Vera",
        "ET (Essential Thrombocythemia)",
        "Polycythemia Vera (PV)",
        "Essential Thrombocythemia (ET)",
        "Primary Myelofibrosis (MF)",
        "Primary Myelofibrosis (PMF)",
        "Myelofibrosis",
        "Myelofibrosis (MF)",
        "Myelofibrosis, Primary",
        "Myelofibrosis, Post ET",
        "Myelofibrosis, Post PV",
        "Myelofibrosis (PMF)",
        "Myelofibrosis，MF",
        "Myelofibrosis; Primary Myelofibrosis; Post-polycythemia Vera Myelofibrosis; Post-essential Thrombocythemia Myelofibrosis",
        "Myelofibrosis Due to and Following Polycythemia Vera",
        "Myelofibrosis Transformation in Essential Thrombocythemia",
        "Myelofibrosis With High Molecular Risk Mutations",
        "MF",
        "Secondary Myelofibrosis",
        "Secondary Myelofibrosis in Myeloproliferative Disease",
        "Secondary Myelofibrosis (Post-Polycythemia Vera Myelofibrosis, Post-Essential Thrombocythemia Myelofibrosis)",
        "Post-Polycythemia Vera Myelofibrosis",
        "Post-polycythemia Vera Myelofibrosis (PPV-MF)",
        "Post-polycythemia Vera Myelofibrosis (Post-PV MF)",
        "Post-polycythemia Vera Myelofibrosis(Post-PV MF)",
        "Post-PV MF",
        "Post-Essential Thrombocythemia Myelofibrosis",
        "Post-essential Thrombocythemia Myelofibrosis (PET-MF)",
        "Post-essential Thrombocythemia Myelofibrosis(Post-ET MF)",
        "Post-essential Thrombocythemia Myelofibrosis (Post-ET MF)",
        "Post-ET MF",
        "Pre-fibrotic Myelofibrosis",
        "Myeloproliferative Disorder",
        "Myeloproliferative Disorders",
        "Myeloproliferative Disorders (MPD)",
        "Myeloproliferative Neoplasms (MPNs)",
        "Myeloproliferative Neoplasm(MPN)-Associated Myelofibrosis",
        "Myeloproliferative Neoplasm With 10% Blasts or Higher",
        "Myeloproliferative Neoplasms",
        "MPN",
        "MPN (Myeloproliferative Neoplasms)",
        "MPN-associated Myelofibrosis",
        "Myeloproliferative Neoplasm, Unclassifiable",
        "Myeloproliferative Neoplasm, Not Otherwise Specified",
        "Accelerated Phase MPN",
        "Accelerated Phase Myeloproliferative Neoplasm",
        "Blast Phase MPN",
        "Blast Phase Myeloproliferative Neoplasm",
        "Thrombocythemia Myelofibrosis (PET-MF)",
        "Thrombocythemia, Essential",
        "Thrombocythemia, Hemorrhagic",
        "Agnogenic Myeloid Metaplasia",
        "Chronic Idiopathic Myelofibrosis",
        "Idiopathic Myelofibrosis",
        "MDS/MPN Crossover Syndromes"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "MPN Research Foundation",
      "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": "2025-09-26",
      "completion_date": "2035-09-08",
      "has_results": false,
      "last_update_posted_date": "2026-01-23",
      "last_synced_at": "2026-10-29T21:46:07.797Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • New York, New York",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07362225"
    },
    {
      "nct_id": "NCT02792179",
      "title": "Evaluation of [18F]RO6958948 as Tracer for Positron Emission Tomography (PET) Imaging of Tau Burden in Alzheimer's Disease Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Alzheimer's Disease"
      ],
      "interventions": [
        {
          "name": "[18F]RO6958948",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "25 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2016-07-19",
      "completion_date": "2016-09-28",
      "has_results": false,
      "last_update_posted_date": "2017-11-01",
      "last_synced_at": "2026-10-29T21:46:07.797Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02792179"
    },
    {
      "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": "2026-10-29T21:46:07.797Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05616546"
    },
    {
      "nct_id": "NCT00309296",
      "title": "Longitudinal Care: Smoking Reduction to Aid Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Diseases"
      ],
      "interventions": [
        {
          "name": "smoking cessation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "National Institutes of Health (NIH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 443,
      "start_date": "2005-11",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2011-02-14",
      "last_synced_at": "2026-10-29T21:46:07.797Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00309296"
    },
    {
      "nct_id": "NCT06505603",
      "title": "PiMZ Longitudinal Cohort (PiMZ Logic)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alpha 1-Antitrypsin Deficiency",
        "Emphysema or COPD"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2025-05-30",
      "completion_date": "2029-02",
      "has_results": false,
      "last_update_posted_date": "2026-01-16",
      "last_synced_at": "2026-10-29T21:46:07.797Z",
      "location_count": 5,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Denver, Colorado + 2 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06505603"
    },
    {
      "nct_id": "NCT00315497",
      "title": "Determining Disease Activity Biomarkers in Individuals With Giant Cell Arteritis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Temporal Arteritis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 426,
      "start_date": "2006-04",
      "completion_date": "2019-12",
      "has_results": false,
      "last_update_posted_date": "2022-07-12",
      "last_synced_at": "2026-10-29T21:46:07.797Z",
      "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/NCT00315497"
    },
    {
      "nct_id": "NCT04028479",
      "title": "The Registry of Oncology Outcomes Associated With Testing and Treatment",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Adenocarcinoma",
        "Adenocystic Carcinoma",
        "Anal Cancer",
        "Appendix Cancer",
        "Brain Tumor",
        "Glioblastoma",
        "Astrocytoma",
        "Bile Duct Cancer",
        "Cholangiocarcinoma",
        "Bladder Cancer",
        "Bone Cancer",
        "Synovial Sarcoma",
        "Chondrosarcoma",
        "Liposarcoma",
        "Sarcoma, Kaposi",
        "Sarcoma,Soft Tissue",
        "Sarcoma",
        "Osteosarcoma",
        "CNS Cancer",
        "Brain Stem Neoplasms",
        "Breast Cancer",
        "Cervical Cancer",
        "Colorectal Cancer",
        "Rectal Cancer",
        "Colon Cancer",
        "Esophageal Cancer",
        "Esophagus Cancer",
        "Cancer of Colon",
        "Pancreatic Cancer",
        "Cancer of Pancreas",
        "Testis Cancer",
        "Testicular Cancer",
        "Ureter Cancer",
        "Renal Cell Carcinoma",
        "Kidney Cancer",
        "Gestational Trophoblastic Tumor",
        "Head and Neck Neoplasms",
        "Parotid Tumor",
        "Larynx Cancer",
        "Tongue Cancer",
        "Pharynx Cancer",
        "Salivary Gland Cancer",
        "Acute Myeloid Leukemia",
        "Chronic Myeloid Leukemia",
        "Acute Lymphoblastic Leukemia",
        "Multiple Myeloma",
        "Non Hodgkin Lymphoma",
        "Carcinoid Tumor",
        "Lung Cancer",
        "Neuroendocrine Tumors",
        "Mesothelioma",
        "Thyroid Cancer",
        "Parathyroid Neoplasms",
        "Adrenal Cancer",
        "Small Bowel Cancer",
        "Stomach Cancer",
        "Liver Cancer",
        "Hepatic Cancer",
        "Melanoma",
        "Skin Cancer",
        "Unknown Primary Tumors",
        "Uterine Cancer",
        "Fallopian Tube Cancer",
        "Ovarian Cancer",
        "Prostate Cancer",
        "Vaginal Cancer",
        "Penile Cancer",
        "Vulvar Cancer",
        "Waldenstrom Macroglobulinemia",
        "Cancer, Advanced",
        "Thymus Cancer",
        "Nasopharyngeal Carcinoma",
        "Multiple Endocrine Neoplasia",
        "Pheochromocytoma",
        "Small Cell Carcinoma",
        "Pulmonary Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biomarker Testing (L)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Systemic Treatment (T)",
          "type": "DRUG"
        },
        {
          "name": "Patient Reported Outcomes (P)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Taproot Health",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 167,
      "start_date": "2021-05-05",
      "completion_date": "2024-10-31",
      "has_results": false,
      "last_update_posted_date": "2024-12-18",
      "last_synced_at": "2026-10-29T21:46:07.797Z",
      "location_count": 2,
      "location_summary": "Idaho Falls, Idaho • Laredo, Texas",
      "locations": [
        {
          "city": "Idaho Falls",
          "state": "Idaho"
        },
        {
          "city": "Laredo",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04028479"
    },
    {
      "nct_id": "NCT07575373",
      "title": "Feasibility of an Interdisciplinary Intervention to Improve Care Transitions for Hospitalized Patients With Substance Use Disorders",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Substance Use Disorders"
      ],
      "interventions": [
        {
          "name": "IntACT",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Michael Incze",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 75,
      "start_date": "2026-06-21",
      "completion_date": "2027-09-15",
      "has_results": false,
      "last_update_posted_date": "2026-08-10",
      "last_synced_at": "2026-10-29T21:46:07.797Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07575373"
    },
    {
      "nct_id": "NCT03859388",
      "title": "Longitudinal Changes in Donor-Derived Cell-Free DNA With Tocilizumab Treatment for Chronic Antibody-Mediated Rejection",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Rejection Chronic Renal",
        "Kidney Transplant Rejection"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Cedars-Sinai Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2019-03-01",
      "completion_date": "2022-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-10-22",
      "last_synced_at": "2026-10-29T21:46:07.797Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03859388"
    },
    {
      "nct_id": "NCT00852904",
      "title": "National Children s Health Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Infant",
        "Child Development",
        "Biological Samples"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9942,
      "start_date": "2009-02-25",
      "completion_date": "2020-05-29",
      "has_results": false,
      "last_update_posted_date": "2020-06-01",
      "last_synced_at": "2026-10-29T21:46:07.797Z",
      "location_count": 4,
      "location_summary": "Chicago, Illinois • Bethesda, Maryland • Rockville, Maryland",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Rockville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00852904"
    }
  ]
}