{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Longitudinal+Studies&page=70",
    "query": {
      "condition": "Longitudinal Studies",
      "page": 70
    },
    "page_size": 10
  },
  "pagination": {
    "page": 70,
    "page_size": 10,
    "total_count": 8691,
    "total_pages": 870,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Longitudinal+Studies&page=71&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Longitudinal+Studies&page=69&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-09T23:05:24.740Z",
  "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": "NCT02631720",
      "title": "CLAD Phenotype Specific Risk Factors and Mechanisms",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Transplant",
        "Post Lung Transplantation"
      ],
      "interventions": [
        {
          "name": "Blood Draw",
          "type": "PROCEDURE"
        },
        {
          "name": "Bronchoscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 884,
      "start_date": "2015-12-22",
      "completion_date": "2019-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-25",
      "last_synced_at": "2026-11-09T23:05:24.740Z",
      "location_count": 4,
      "location_summary": "Los Angeles, California • Baltimore, Maryland • Durham, North Carolina + 1 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02631720"
    },
    {
      "nct_id": "NCT03442582",
      "title": "Afluria Pregnancy Registry",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Influenza, Human",
        "Pregnancy",
        "Birth Defect"
      ],
      "interventions": [
        {
          "name": "Afluria Influenza Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Seqirus",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 490,
      "start_date": "2017-09-08",
      "completion_date": "2021-09-14",
      "has_results": false,
      "last_update_posted_date": "2022-02-09",
      "last_synced_at": "2026-11-09T23:05:24.740Z",
      "location_count": 1,
      "location_summary": "Wilmington, North Carolina",
      "locations": [
        {
          "city": "Wilmington",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03442582"
    },
    {
      "nct_id": "NCT03603080",
      "title": "Efficacy of Pharmacotherapy to Enhance Weight Loss Following Sleeve Gastrectomy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Administration of weight loss drug (Metformin or Topiramate)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hartford Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 12,
      "start_date": "2019-03-01",
      "completion_date": "2022-09-01",
      "has_results": false,
      "last_update_posted_date": "2023-02-14",
      "last_synced_at": "2026-11-09T23:05:24.740Z",
      "location_count": 1,
      "location_summary": "Hartford, Connecticut",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03603080"
    },
    {
      "nct_id": "NCT00413868",
      "title": "A Prospective Evaluation of Contrast Sensitivity and Disability Glare in Refractive Surgery, a Sub-Study of: Initial Evaluation of Excimer Laser Keratorefractive Surgery in U.S. Army Personnel (WU # 2335-99)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "LASIK",
          "type": "PROCEDURE"
        },
        {
          "name": "PRK",
          "type": "PROCEDURE"
        },
        {
          "name": "Small target contrast sensitivity and disability glare",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "Walter Reed Army Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 50,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2008-04-01",
      "last_synced_at": "2026-11-09T23:05:24.740Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00413868"
    },
    {
      "nct_id": "NCT03527589",
      "title": "Embosphere® PROstate Post Market Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Benign Prostatic Hyperplasia",
        "Lower Urinary Tract Symptoms"
      ],
      "interventions": [
        {
          "name": "Prostate artery embolization",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Merit Medical Systems, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 499,
      "start_date": "2018-08-16",
      "completion_date": "2022-01-22",
      "has_results": true,
      "last_update_posted_date": "2023-12-18",
      "last_synced_at": "2026-11-09T23:05:24.740Z",
      "location_count": 8,
      "location_summary": "Long Beach, California • Los Angeles, California • Orange, California + 4 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03527589"
    },
    {
      "nct_id": "NCT01015313",
      "title": "Effects of Intensified Sodium Management in Hemodialysis Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Renal Failure Chronic Requiring Hemodialysis"
      ],
      "interventions": [
        {
          "name": "intensive sodium management",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Renal Research Institute",
      "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": "2009-11",
      "completion_date": "2015-02",
      "has_results": false,
      "last_update_posted_date": "2015-10-01",
      "last_synced_at": "2026-11-09T23:05:24.740Z",
      "location_count": 3,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01015313"
    },
    {
      "nct_id": "NCT00578123",
      "title": "Clinical and Quality of Life Outcomes After Open or Robotic-Assisted Laparoscopic Radical Prostatectomy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostate Cancer",
        "Quality of Life"
      ],
      "interventions": [
        {
          "name": "Quality of Life Questionnaires",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 959,
      "start_date": "2005-07",
      "completion_date": "2022-06-03",
      "has_results": false,
      "last_update_posted_date": "2022-06-08",
      "last_synced_at": "2026-11-09T23:05:24.740Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00578123"
    },
    {
      "nct_id": "NCT04170985",
      "title": "NeuroSeq: A Prospective Trial to Evaluate the Diagnostic Yield of Whole Genome Sequencing (WGS) in Adult Neurology",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neurologic Deficits",
        "Neurologic Disorder",
        "Neurologic Abnormalities"
      ],
      "interventions": [
        {
          "name": "clinical Whole Genome Sequencing",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Illumina, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 160,
      "start_date": "2019-11-18",
      "completion_date": "2024-01-31",
      "has_results": false,
      "last_update_posted_date": "2024-05-01",
      "last_synced_at": "2026-11-09T23:05:24.740Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04170985"
    },
    {
      "nct_id": "NCT05494125",
      "title": "Effects of Continuous ESP Catheters on Recovery, Pain and Opioid Consumption After Multilevel Spine Surgery",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post Operative Pain",
        "Spine Surgery"
      ],
      "interventions": [
        {
          "name": "Ropivacaine",
          "type": "OTHER"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 10,
      "start_date": "2022-09-14",
      "completion_date": "2024-03-18",
      "has_results": false,
      "last_update_posted_date": "2024-04-23",
      "last_synced_at": "2026-11-09T23:05:24.740Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05494125"
    },
    {
      "nct_id": "NCT00913640",
      "title": "Prospective Memory in Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Memory",
        "Prospective Memory",
        "Parkinson's Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "40 Years to 70 Years"
      },
      "enrollment_count": 52,
      "start_date": "2009-11-18",
      "completion_date": "2010-08-27",
      "has_results": false,
      "last_update_posted_date": "2022-05-06",
      "last_synced_at": "2026-11-09T23:05:24.740Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00913640"
    }
  ]
}