{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Longitudinal+Studies&page=6",
    "query": {
      "condition": "Longitudinal Studies",
      "page": 6
    },
    "page_size": 10
  },
  "pagination": {
    "page": 6,
    "page_size": 10,
    "total_count": 8678,
    "total_pages": 868,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Longitudinal+Studies&page=7&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Longitudinal+Studies&page=5&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-30T16:27:58.578Z",
  "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": "NCT05357989",
      "title": "A Double-blind Study to Investigate Efficacy and Safety of Buntanetap Compared With Placebo in Participants With Early PD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Parkinson's Disease, Idiopathic"
      ],
      "interventions": [
        {
          "name": "buntanetap/posiphen",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Annovis Bio Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "40 Years to 85 Years"
      },
      "enrollment_count": 523,
      "start_date": "2022-08-03",
      "completion_date": "2023-12-04",
      "has_results": true,
      "last_update_posted_date": "2025-03-03",
      "last_synced_at": "2026-10-30T16:27:58.578Z",
      "location_count": 43,
      "location_summary": "Birmingham, Alabama • Sun City, Arizona • Fountain Valley, California + 35 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Sun City",
          "state": "Arizona"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Englewood",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05357989"
    },
    {
      "nct_id": "NCT02564991",
      "title": "Study of Structural Imaging",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chemically-Induced Disorders",
        "Substance-Related Disorders",
        "Mental Disorders",
        "Alcohol Dependence",
        "Alcohol-Related Disorders"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute on Alcohol Abuse and Alcoholism (NIAAA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "30 Years to 60 Years"
      },
      "enrollment_count": 98,
      "start_date": "2016-02-29",
      "completion_date": "2020-03-18",
      "has_results": false,
      "last_update_posted_date": "2024-05-06",
      "last_synced_at": "2026-10-30T16:27:58.578Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02564991"
    },
    {
      "nct_id": "NCT07070115",
      "title": "Evaluating Clinical Hiatal Hernia Outcomes Using OviTex®",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hiatal Hernia"
      ],
      "interventions": [
        {
          "name": "OviTex Reinforced Tissue Matrix",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Tela Bio Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 173,
      "start_date": "2025-07-25",
      "completion_date": "2032-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-18",
      "last_synced_at": "2026-10-30T16:27:58.578Z",
      "location_count": 5,
      "location_summary": "Mobile, Alabama • Denver, Colorado • Lexington, Kentucky + 2 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07070115"
    },
    {
      "nct_id": "NCT02427217",
      "title": "An Observational Cohort Study of the Safety and Efficacy of Fibrinogen Concentrate, Human (FCH) in Subjects With Congenital Fibrinogen Deficiency",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congenital Fibrinogen Deficiency"
      ],
      "interventions": [
        {
          "name": "FCH",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "CSL Behring",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 22,
      "start_date": "2015-05-07",
      "completion_date": "2017-12-06",
      "has_results": false,
      "last_update_posted_date": "2018-01-17",
      "last_synced_at": "2026-10-30T16:27:58.578Z",
      "location_count": 3,
      "location_summary": "Aurora, Colorado • Las Vegas, Nevada • Durham, North Carolina",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02427217"
    },
    {
      "nct_id": "NCT07561489",
      "title": "A Prospective, Single-center, Observational Clinical Outcomes Study for Vertebral Compression Fractures Treated With the OsteoPearl Biological Allograft Implants",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Kyphoplasty",
        "Vertebroplasty",
        "Vertebral Compression Fracture",
        "Allograft",
        "Back Pain"
      ],
      "interventions": [
        {
          "name": "Allograft",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Lenoss Medical",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2026-03-25",
      "completion_date": "2027-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-01",
      "last_synced_at": "2026-10-30T16:27:58.578Z",
      "location_count": 1,
      "location_summary": "Williamsville, New York",
      "locations": [
        {
          "city": "Williamsville",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07561489"
    },
    {
      "nct_id": "NCT02844660",
      "title": "Dehydrated Human Umbilical Cord Allograft in the Management of Diabetic Foot Ulcers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetic Foot Ulcers"
      ],
      "interventions": [
        {
          "name": "EpiCord",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Standard of Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "MiMedx Group, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 130,
      "start_date": "2016-07",
      "completion_date": "2018-07",
      "has_results": false,
      "last_update_posted_date": "2022-05-13",
      "last_synced_at": "2026-10-30T16:27:58.578Z",
      "location_count": 13,
      "location_summary": "Birmingham, Alabama • Tucson, Arizona • Carlsbad, California + 10 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Carlsbad",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02844660"
    },
    {
      "nct_id": "NCT06729255",
      "title": "A Prospective Cohort Study to Evaluate the Safety, Efficacy, and Usability of the EpiZact Device",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Postdural Puncture Headache",
        "Epidural Analgesia, Obstetric"
      ],
      "interventions": [
        {
          "name": "EpiZact-assisted epidural placement",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "15 Years to 50 Years · Female only"
      },
      "enrollment_count": 100,
      "start_date": "2025-03-15",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-02-14",
      "last_synced_at": "2026-10-30T16:27:58.578Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06729255"
    },
    {
      "nct_id": "NCT02166125",
      "title": "Endoscopic Sutures For Gastrointestinal Tract Disorders: A Prospective Multicenter Registry",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Endoscopic Suturing Within the Gastrointestinal Tract"
      ],
      "interventions": [
        {
          "name": "Endosuturing",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 100,
      "start_date": "2013-05",
      "completion_date": "2017-08-26",
      "has_results": false,
      "last_update_posted_date": "2017-02-20",
      "last_synced_at": "2026-10-30T16:27:58.578Z",
      "location_count": 3,
      "location_summary": "Kenner, Louisiana • New York, New York • Dallas, Texas",
      "locations": [
        {
          "city": "Kenner",
          "state": "Louisiana"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02166125"
    },
    {
      "nct_id": "NCT04564885",
      "title": "A Clinical Trial Comparing the BAGUERA C to the Marketed Mobi-C® for the Treatment of Cervical Disc Disease at 2 Contiguous Levels",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cervical Disc Disease"
      ],
      "interventions": [
        {
          "name": "BAGUERA®C Cervical Disc Prosthesis",
          "type": "DEVICE"
        },
        {
          "name": "Mobi-C Cervical Disc",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Spineart USA",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "69 Years",
        "sex": "ALL",
        "summary": "22 Years to 69 Years"
      },
      "enrollment_count": 300,
      "start_date": "2021-03-02",
      "completion_date": "2030-04",
      "has_results": false,
      "last_update_posted_date": "2024-03-08",
      "last_synced_at": "2026-10-30T16:27:58.578Z",
      "location_count": 26,
      "location_summary": "Phoenix, Arizona • Scottsdale, Arizona • Laguna Hills, California + 23 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Laguna Hills",
          "state": "California"
        },
        {
          "city": "Mission Viejo",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04564885"
    },
    {
      "nct_id": "NCT01166568",
      "title": "Trial of the PresVIEW Implant for the Improvement of Near Vision in Patients With Presbyopia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "PresVIEW Scleral Implants",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "VisDura, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "50 Years to 60 Years"
      },
      "enrollment_count": 337,
      "start_date": "2003-12",
      "completion_date": "2015-03",
      "has_results": true,
      "last_update_posted_date": "2018-09-28",
      "last_synced_at": "2026-10-30T16:27:58.578Z",
      "location_count": 14,
      "location_summary": "Beverly Hills, California • San Diego, California • Des Plaines, Illinois + 10 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Des Plaines",
          "state": "Illinois"
        },
        {
          "city": "Lake Villa",
          "state": "Illinois"
        },
        {
          "city": "Lombard",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01166568"
    }
  ]
}