{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Observational+Study&page=2",
    "query": {
      "condition": "Observational Study",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Observational+Study&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-24T08:27:47.203Z",
  "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": "NCT01746407",
      "title": "Procurement of Human Specimens for the Evaluation of Early Markers of Sepsis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Infection"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Abbott Diagnostics Division",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 872,
      "start_date": "2012-12",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2015-12-30",
      "last_synced_at": "2026-07-24T08:27:47.203Z",
      "location_count": 2,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01746407"
    },
    {
      "nct_id": "NCT01849458",
      "title": "BioFiber Scaffold Post-Market Observational Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Full Thickness Rotator Cuff Tear"
      ],
      "interventions": [
        {
          "name": "BioFiber",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Stryker Trauma and Extremities",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2013-03",
      "completion_date": "2015-04",
      "has_results": true,
      "last_update_posted_date": "2017-06-22",
      "last_synced_at": "2026-07-24T08:27:47.203Z",
      "location_count": 2,
      "location_summary": "New York, New York • Charlottesville, Virginia",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01849458"
    },
    {
      "nct_id": "NCT06399952",
      "title": "Baker Gordon Syndrome Natural History Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Rare Diseases",
        "Autism or Autistic Traits",
        "Development Delay",
        "SYT-SSX Fusion Protein Expression",
        "Sleep Disorder",
        "Epilepsy, Generalized",
        "Motor Delay"
      ],
      "interventions": [
        {
          "name": "Brain Magnetic Resonance Imaging (MRI)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Whole Genome Sequencing",
          "type": "GENETIC"
        },
        {
          "name": "Induced Pluripotential Stem Cells",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "GENETIC",
        "OTHER"
      ],
      "sponsor": "University of Missouri-Columbia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "0 Years to 99 Years"
      },
      "enrollment_count": 50,
      "start_date": "2024-04-30",
      "completion_date": "2027-05-05",
      "has_results": false,
      "last_update_posted_date": "2026-06-03",
      "last_synced_at": "2026-07-24T08:27:47.203Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06399952"
    },
    {
      "nct_id": "NCT05106387",
      "title": "An Observational Extension Study for Adult Patients Treated in Study R5459-RT-1944 Who Receive a Kidney Transplant",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Kidney Disease (CKD)"
      ],
      "interventions": [
        {
          "name": "Noninterventional",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Regeneron Pharmaceuticals",
      "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": 20,
      "start_date": "2023-10-19",
      "completion_date": "2028-02-23",
      "has_results": false,
      "last_update_posted_date": "2026-07-20",
      "last_synced_at": "2026-07-24T08:27:47.203Z",
      "location_count": 9,
      "location_summary": "Los Angeles, California • Orange, California • San Francisco, California + 6 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05106387"
    },
    {
      "nct_id": "NCT00466804",
      "title": "Noninvasive Methods to Monitor Graft Survival in Heart Transplant Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Transplant"
      ],
      "interventions": [
        {
          "name": "Heart transplant",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "10 Years and older"
      },
      "enrollment_count": 263,
      "start_date": "2007-06",
      "completion_date": "2011-07",
      "has_results": false,
      "last_update_posted_date": "2016-01-01",
      "last_synced_at": "2026-07-24T08:27:47.203Z",
      "location_count": 12,
      "location_summary": "San Francisco, California • Chicago, Illinois • Maywood, Illinois + 7 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Maywood",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00466804"
    },
    {
      "nct_id": "NCT02803333",
      "title": "Oncology Research Information Exchange Network (ORIEN) Lung Cancer Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer",
        "Non-small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "No Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and 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": 75,
      "start_date": "2017-02-16",
      "completion_date": "2021-11-19",
      "has_results": false,
      "last_update_posted_date": "2023-02-27",
      "last_synced_at": "2026-07-24T08:27:47.203Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02803333"
    },
    {
      "nct_id": "NCT02827214",
      "title": "Thoracolumbar Burst Fractures Study Comparing Surgical Versus Non-surgical Treatment",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Thoracolumbar Burst Fracture"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "AO Innovation Translation Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 213,
      "start_date": "2016-10",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-01-31",
      "last_synced_at": "2026-07-24T08:27:47.203Z",
      "location_count": 4,
      "location_summary": "San Diego, California • East Syracuse, New York • Philadelphia, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "East Syracuse",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Morgantown",
          "state": "West Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02827214"
    },
    {
      "nct_id": "NCT03223428",
      "title": "Real-world Evidence Study EvaLuating PAtient-Reported Outcomes With XERMELO",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Carcinoid Syndrome"
      ],
      "interventions": [
        {
          "name": "Xermelo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "TerSera Therapeutics LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 223,
      "start_date": "2017-06-22",
      "completion_date": "2022-01-14",
      "has_results": true,
      "last_update_posted_date": "2024-07-24",
      "last_synced_at": "2026-07-24T08:27:47.203Z",
      "location_count": 1,
      "location_summary": "Research Triangle Park, North Carolina",
      "locations": [
        {
          "city": "Research Triangle Park",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03223428"
    },
    {
      "nct_id": "NCT06655064",
      "title": "Registry to Evaluate Long-Term Outcomes in Patients Who Undergo 68-Ga-PSMA-11 PET/CT Imaging Evaluations",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostate Cancer (Adenocarcinoma)"
      ],
      "interventions": [
        {
          "name": "None- Observational",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Telix Pharmaceuticals (Innovations) Pty Limited",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "21 Years and older · Male only"
      },
      "enrollment_count": 120,
      "start_date": "2025-01-30",
      "completion_date": "2025-06-17",
      "has_results": false,
      "last_update_posted_date": "2025-07-14",
      "last_synced_at": "2026-07-24T08:27:47.203Z",
      "location_count": 9,
      "location_summary": "Fresno, California • Grand Junction, Colorado • Meridian, Idaho + 5 more",
      "locations": [
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Grand Junction",
          "state": "Colorado"
        },
        {
          "city": "Meridian",
          "state": "Idaho"
        },
        {
          "city": "Royal Oak",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06655064"
    },
    {
      "nct_id": "NCT01862367",
      "title": "Use of rFXIII in Treatment of Congenital FXIII Deficiency, a Prospective Multi-centre Observational Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congenital Bleeding Disorder",
        "Congenital FXIII Deficiency"
      ],
      "interventions": [
        {
          "name": "catridecacog",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novo Nordisk A/S",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 30,
      "start_date": "2013-05-17",
      "completion_date": "2019-06-26",
      "has_results": false,
      "last_update_posted_date": "2019-07-09",
      "last_synced_at": "2026-07-24T08:27:47.203Z",
      "location_count": 7,
      "location_summary": "Orange, California • Tampa, Florida • Atlanta, Georgia + 4 more",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01862367"
    }
  ]
}