{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Longitudinal+Studies&page=23",
    "query": {
      "condition": "Longitudinal Studies",
      "page": 23
    },
    "page_size": 10
  },
  "pagination": {
    "page": 23,
    "page_size": 10,
    "total_count": 8683,
    "total_pages": 869,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Longitudinal+Studies&page=24&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Longitudinal+Studies&page=22&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-02T15:50:30.436Z",
  "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": "NCT04899557",
      "title": "Retrospective/Prospective Study of Pediatric Surgical Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pediatric Robotic Surgery"
      ],
      "interventions": [
        {
          "name": "Single Port Robotic Splenectomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Illinois Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "0 Years to 18 Years"
      },
      "enrollment_count": 1,
      "start_date": "2021-04-27",
      "completion_date": "2021-05-01",
      "has_results": false,
      "last_update_posted_date": "2022-03-03",
      "last_synced_at": "2026-11-02T15:50:30.436Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04899557"
    },
    {
      "nct_id": "NCT02246465",
      "title": "A Study to Evaluate the Effectiveness and Safety of RXI 109 on the Outcome of Revised Hypertrophic Scars",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hypertrophic Scar"
      ],
      "interventions": [
        {
          "name": "RXI-109",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "RXi Pharmaceuticals, Corp.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "21 Years to 55 Years"
      },
      "enrollment_count": 40,
      "start_date": "2014-07",
      "completion_date": "2018-03",
      "has_results": false,
      "last_update_posted_date": "2018-02-23",
      "last_synced_at": "2026-11-02T15:50:30.436Z",
      "location_count": 5,
      "location_summary": "Beverly Hills, California • Lake Worth, Florida • Chicago, Illinois + 2 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Lake Worth",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Huntersville",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02246465"
    },
    {
      "nct_id": "NCT00084136",
      "title": "Prospective Evaluation of Anti-retroviral Combinations for Treatment Naive, HIV Infected Persons in Resource-limited Settings",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Atazanavir",
          "type": "DRUG"
        },
        {
          "name": "Didanosine (enteric-coated)",
          "type": "DRUG"
        },
        {
          "name": "Efavirenz",
          "type": "DRUG"
        },
        {
          "name": "Emtricitabine",
          "type": "DRUG"
        },
        {
          "name": "Emtricitabine/Tenofovir disoproxil fumarate",
          "type": "DRUG"
        },
        {
          "name": "Lamivudine/Zidovudine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Advancing Clinical Therapeutics Globally for HIV/AIDS and Other Infections",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1571,
      "start_date": "2005-05",
      "completion_date": "2010-05",
      "has_results": true,
      "last_update_posted_date": "2018-10-10",
      "last_synced_at": "2026-11-02T15:50:30.436Z",
      "location_count": 27,
      "location_summary": "Los Angeles, California • Torrance, California • Denver, Colorado + 16 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00084136"
    },
    {
      "nct_id": "NCT01996111",
      "title": "Dehydrated Human Amnion/Chorion Membrane Micrografts(dHACM) Injectable in the Treatment of Recalcitrant Plantar Fasciitis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Plantar Fasciitis"
      ],
      "interventions": [
        {
          "name": "Injection of 1.0 cc of 0.9% Saline",
          "type": "PROCEDURE"
        },
        {
          "name": "Injection of 1.0 cc of 10 mg/ml micrograft dHACM suspension",
          "type": "PROCEDURE"
        },
        {
          "name": "Injection of 1.0 cc of 20 mg/ml micrograft dHACM suspension",
          "type": "PROCEDURE"
        },
        {
          "name": "Injection of 1.0 cc of 40 mg/ml micrograft dHACM suspension",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": 14,
      "start_date": "2013-09",
      "completion_date": "2014-04",
      "has_results": false,
      "last_update_posted_date": "2014-06-13",
      "last_synced_at": "2026-11-02T15:50:30.436Z",
      "location_count": 1,
      "location_summary": "Roanoke, Virginia",
      "locations": [
        {
          "city": "Roanoke",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01996111"
    },
    {
      "nct_id": "NCT01799811",
      "title": "Cryopreserved Saphenous Vein Allograft in Patients With Critical Limb Ischemia for Peripheral Revascularization",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Critical Limb Ischemia",
        "Peripheral Arterial Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "CryoLife, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2013-02",
      "completion_date": "2016-06",
      "has_results": false,
      "last_update_posted_date": "2024-08-19",
      "last_synced_at": "2026-11-02T15:50:30.436Z",
      "location_count": 7,
      "location_summary": "Phoenix, Arizona • Palo Alto, California • San Francisco, California + 4 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Pensacola",
          "state": "Florida"
        },
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01799811"
    },
    {
      "nct_id": "NCT04020211",
      "title": "HF10 Treatment of Chronic Knee Pain",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Pain Post-Procedural"
      ],
      "interventions": [
        {
          "name": "Senza HF10 Therapy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Nevro Corp",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3,
      "start_date": "2019-03-14",
      "completion_date": "2019-12-12",
      "has_results": false,
      "last_update_posted_date": "2020-11-12",
      "last_synced_at": "2026-11-02T15:50:30.436Z",
      "location_count": 1,
      "location_summary": "Greenfield, Wisconsin",
      "locations": [
        {
          "city": "Greenfield",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04020211"
    },
    {
      "nct_id": "NCT01705067",
      "title": "Safety and Efficacy of the Journey II BCS Total Knee System",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "TKA with Journey II BCS Total Knee System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Smith & Nephew, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 209,
      "start_date": "2012-06",
      "completion_date": "2023-07-31",
      "has_results": false,
      "last_update_posted_date": "2024-06-13",
      "last_synced_at": "2026-11-02T15:50:30.436Z",
      "location_count": 12,
      "location_summary": "Los Angeles, California • Fort Wayne, Indiana • Indianapolis, Indiana + 8 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Fort Wayne",
          "state": "Indiana"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01705067"
    },
    {
      "nct_id": "NCT07431099",
      "title": "Skin Color Matching in Head and Neck Reconstructive Surgery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Head and Neck Cancer",
        "Head and Neck Trauma"
      ],
      "interventions": [
        {
          "name": "RECELL® Autologous Cell Harvesting Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2026-05-20",
      "completion_date": "2028-09",
      "has_results": false,
      "last_update_posted_date": "2026-05-29",
      "last_synced_at": "2026-11-02T15:50:30.436Z",
      "location_count": 3,
      "location_summary": "Guilford, Connecticut • Milford, Connecticut • New Haven, Connecticut",
      "locations": [
        {
          "city": "Guilford",
          "state": "Connecticut"
        },
        {
          "city": "Milford",
          "state": "Connecticut"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07431099"
    },
    {
      "nct_id": "NCT00578032",
      "title": "Reconstructive Surgery For Head And Neck Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Advanced Stage Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "Quality of Life Questionaires & Interview: EORTC QLQ C-30, EORTC QLQ H&N-35, Health Behaviors, Subjective Significance Questionnaire, Qualitative Assessment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2007-12",
      "completion_date": "2017-10",
      "has_results": false,
      "last_update_posted_date": "2017-10-19",
      "last_synced_at": "2026-11-02T15:50:30.436Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00578032"
    },
    {
      "nct_id": "NCT00953316",
      "title": "Infant Transition From Car Bed to Car Safety Seat",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Car Seat Transition for At-risk Infants"
      ],
      "interventions": [
        {
          "name": "Measure infant's jaw, record all information about car seat testing, and administer questionnaires.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "1 Year",
        "sex": "ALL",
        "summary": "1 Day to 1 Year"
      },
      "enrollment_count": 96,
      "start_date": "2008-04",
      "completion_date": "2017-04-07",
      "has_results": false,
      "last_update_posted_date": "2017-05-11",
      "last_synced_at": "2026-11-02T15:50:30.436Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00953316"
    }
  ]
}