{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Longitudinal+Studies&page=40",
    "query": {
      "condition": "Longitudinal Studies",
      "page": 40
    },
    "page_size": 10
  },
  "pagination": {
    "page": 40,
    "page_size": 10,
    "total_count": 8689,
    "total_pages": 869,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Longitudinal+Studies&page=41&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Longitudinal+Studies&page=39&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-07T17:13:19.567Z",
  "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": "NCT03721367",
      "title": "Chronic Liver Disease in Urea Cycle Disorders",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Urea Cycle Disorder"
      ],
      "interventions": [
        {
          "name": "Diagnostic Ultrasound",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "5 Years to 60 Years"
      },
      "enrollment_count": 28,
      "start_date": "2017-11-29",
      "completion_date": "2020-06-01",
      "has_results": true,
      "last_update_posted_date": "2023-02-10",
      "last_synced_at": "2026-11-07T17:13:19.567Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03721367"
    },
    {
      "nct_id": "NCT03906422",
      "title": "Comparison of Patient-reported Pain After Initial Archwire Placement",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Orthodontic Discomfort",
        "Pain, Orofacial"
      ],
      "interventions": [
        {
          "name": "3M Unitek 0.016 orthodontic archwire",
          "type": "DEVICE"
        },
        {
          "name": "Device: 0.016\" Ormco 27oC NiTi orthodontic archwire",
          "type": "DEVICE"
        },
        {
          "name": "Device: 0.016\" Ormco 35oC NiTi orthodontic archwire",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 126,
      "start_date": "2019-05-10",
      "completion_date": "2028-06-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-11-07T17:13:19.567Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03906422"
    },
    {
      "nct_id": "NCT00679081",
      "title": "A Pilot Study of CelTx(TM) (Apligraf®) in the Treatment of Gingival Recession Requiring Root Coverage",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Gingival Recession"
      ],
      "interventions": [
        {
          "name": "CelTx",
          "type": "DEVICE"
        },
        {
          "name": "Autologous sub-epithelial connective tissue graft",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Organogenesis",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 15,
      "start_date": "2008-05",
      "completion_date": "2010-09",
      "has_results": true,
      "last_update_posted_date": "2012-01-11",
      "last_synced_at": "2026-11-07T17:13:19.567Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00679081"
    },
    {
      "nct_id": "NCT06121011",
      "title": "A Global Prospective Observational Registry of Patients With Pompe Disease",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pompe Disease"
      ],
      "interventions": [
        {
          "name": "Cipaglucosidase alfa",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Miglustat",
          "type": "DRUG"
        },
        {
          "name": "Alglucosidase alfa or Avalglucosidase alfa",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Untreated",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Amicus Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 500,
      "start_date": "2024-02-16",
      "completion_date": "2034-12-20",
      "has_results": false,
      "last_update_posted_date": "2026-03-10",
      "last_synced_at": "2026-11-07T17:13:19.567Z",
      "location_count": 15,
      "location_summary": "Little Rock, Arkansas • Irvine, California • Jacksonville, Florida + 10 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06121011"
    },
    {
      "nct_id": "NCT02588053",
      "title": "Does Long-Term Natalizumab (NTZ) Therapy Normalize Brain Atrophy Rates and Quality of Life (QOL) in Relapsing Remitting Multiple Sclerosis (RRMS)?",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 85,
      "start_date": "2014-07",
      "completion_date": "2019-01",
      "has_results": false,
      "last_update_posted_date": "2019-04-17",
      "last_synced_at": "2026-11-07T17:13:19.567Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02588053"
    },
    {
      "nct_id": "NCT04681781",
      "title": "SLC13A5 Deficiency Natural History Study - Remote Only",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Citrate Transporter Deficiency",
        "Epilepsy",
        "Rare Diseases",
        "Movement Disorders",
        "Genetic Disorder",
        "SLC13A5 Deficiency",
        "EIEE25",
        "Kohlschutter-Tonz Syndrome (non-ROGDI)",
        "17p13.1 Deletions Confined to SLC13A5 Gene",
        "Citrate Transporter Disorder"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "TESS Research Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 20,
      "start_date": "2021-03-01",
      "completion_date": "2025-09-01",
      "has_results": false,
      "last_update_posted_date": "2024-11-22",
      "last_synced_at": "2026-11-07T17:13:19.567Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04681781"
    },
    {
      "nct_id": "NCT01987700",
      "title": "Multi-Center Study To Examine The Use Of Flex HD® And Strattice In The Repair Of Large Abdominal Wall Hernias",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hernia of Abdominal Wall"
      ],
      "interventions": [
        {
          "name": "FLEX-HD",
          "type": "DEVICE"
        },
        {
          "name": "Strattice",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Musculoskeletal Transplant Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2013-07",
      "completion_date": "2018-08-25",
      "has_results": false,
      "last_update_posted_date": "2018-09-19",
      "last_synced_at": "2026-11-07T17:13:19.567Z",
      "location_count": 3,
      "location_summary": "Pembroke Pines, Florida • St Louis, Missouri • Freehold, New Jersey",
      "locations": [
        {
          "city": "Pembroke Pines",
          "state": "Florida"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Freehold",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01987700"
    },
    {
      "nct_id": "NCT02956122",
      "title": "A Phase 2/3 Study of GLASSIA for the Treatment of Acute GvHD",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Graft Versus Host Disease"
      ],
      "interventions": [
        {
          "name": "GLASSIA",
          "type": "BIOLOGICAL"
        },
        {
          "name": "methylprednisolone or equivalent steroid",
          "type": "DRUG"
        },
        {
          "name": "Albumin",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Baxalta now part of Shire",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2017-04-26",
      "completion_date": "2018-05-03",
      "has_results": true,
      "last_update_posted_date": "2021-01-13",
      "last_synced_at": "2026-11-07T17:13:19.567Z",
      "location_count": 1,
      "location_summary": "Augusta, Georgia",
      "locations": [
        {
          "city": "Augusta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02956122"
    },
    {
      "nct_id": "NCT00394602",
      "title": "Chemoradiation-Induced Nausea and Emesis: Quality of Life",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Gastric Cancer",
        "Pancreatic Cancer",
        "Cervical Cancer",
        "Vulvar Cancer",
        "Endometrial Cancer",
        "Anal Cancer"
      ],
      "interventions": [
        {
          "name": "Interview",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 207,
      "start_date": "2004-04-07",
      "completion_date": "2019-05-08",
      "has_results": false,
      "last_update_posted_date": "2020-01-02",
      "last_synced_at": "2026-11-07T17:13:19.567Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00394602"
    },
    {
      "nct_id": "NCT04455802",
      "title": "Randomized Control Trial of Buprenorphine vs. Morphine for the Treatment of Neonatal Opioid Withdrawal Syndrome (NOWS)",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Neonatal Opioid Withdrawal Syndrome"
      ],
      "interventions": [
        {
          "name": "Buprenorphine or Placebo",
          "type": "DRUG"
        },
        {
          "name": "Morphine or Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Women and Infants Hospital of Rhode Island",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2020-10-01",
      "completion_date": "2021-05-17",
      "has_results": false,
      "last_update_posted_date": "2023-06-22",
      "last_synced_at": "2026-11-07T17:13:19.567Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04455802"
    }
  ]
}