{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+study&page=10",
    "query": {
      "intervention": "Observational study",
      "page": 10
    },
    "page_size": 10
  },
  "pagination": {
    "page": 10,
    "page_size": 10,
    "total_count": 4385,
    "total_pages": 439,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+study&page=11&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+study&page=9&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-17T15:00:28.377Z",
  "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": "NCT06113315",
      "title": "A Study Involving Collection of Samples and Data From Sarcoma Patients Receiving Immunotherapy",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sarcoma"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 250,
      "start_date": "2023-10-27",
      "completion_date": "2028-10",
      "has_results": false,
      "last_update_posted_date": "2026-08-04",
      "last_synced_at": "2026-10-17T15:00:28.377Z",
      "location_count": 7,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "East White Plains",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06113315"
    },
    {
      "nct_id": "NCT02285738",
      "title": "Anti-Platelet and Statin Therapy to Prevent Cancer-Associated Thrombosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Solid Tumor",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Aspirin",
          "type": "DRUG"
        },
        {
          "name": "Simvastatin",
          "type": "DRUG"
        },
        {
          "name": "Observation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Case Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2014-12-30",
      "completion_date": "2018-10-01",
      "has_results": false,
      "last_update_posted_date": "2019-05-08",
      "last_synced_at": "2026-10-17T15:00:28.377Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02285738"
    },
    {
      "nct_id": "NCT01665326",
      "title": "Determination of CRIM Status and Longitudinal Follow-up of Individuals With Pompe Disease",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pompe Disease"
      ],
      "interventions": [
        {
          "name": "Observational",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 400,
      "start_date": "2009-09",
      "completion_date": "2029-03",
      "has_results": false,
      "last_update_posted_date": "2026-04-08",
      "last_synced_at": "2026-10-17T15:00:28.377Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01665326"
    },
    {
      "nct_id": "NCT04447976",
      "title": "Prospective Evaluation of Performance of Disposable Elevator Cap Duodenoscope During ERCP in Clinical Practice",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "ERCP"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 100,
      "start_date": "2020-06-02",
      "completion_date": "2022-07",
      "has_results": false,
      "last_update_posted_date": "2021-01-12",
      "last_synced_at": "2026-10-17T15:00:28.377Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04447976"
    },
    {
      "nct_id": "NCT06795152",
      "title": "Rare Glycogen Storage Diseases Natural History Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Glycogen Storage Disease",
        "GSD Type 0A",
        "GSD Type 0B",
        "GSD VII",
        "Tarui Disease",
        "GSD X",
        "GSD XII",
        "GSD XIII",
        "GSD XV",
        "PGBM2",
        "PRKAG2",
        "Danon Disease",
        "Polyglucosan Body Myopathy Type 1",
        "Polyglucosan Body Myopathy Type 2",
        "RBCK1 Deficiency"
      ],
      "interventions": [
        {
          "name": "No intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "0 Years to 90 Years"
      },
      "enrollment_count": 200,
      "start_date": "2024-12-23",
      "completion_date": "2034-12",
      "has_results": false,
      "last_update_posted_date": "2026-01-07",
      "last_synced_at": "2026-10-17T15:00:28.377Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06795152"
    },
    {
      "nct_id": "NCT06414278",
      "title": "Evaluation of Early Identification of Cognitive Side Effects of Immunotherapy",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hematopoietic and Lymphatic System Neoplasm",
        "Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Non-Interventional Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 38,
      "start_date": "2024-02-08",
      "completion_date": "2028-02-21",
      "has_results": false,
      "last_update_posted_date": "2026-01-13",
      "last_synced_at": "2026-10-17T15:00:28.377Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06414278"
    },
    {
      "nct_id": "NCT01137721",
      "title": "State Of The Art Functional Imaging In Sickle Cell Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sickle Cell Anemia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "5 Years to 19 Years"
      },
      "enrollment_count": 38,
      "start_date": "2010-09",
      "completion_date": "2016-06",
      "has_results": false,
      "last_update_posted_date": "2018-08-23",
      "last_synced_at": "2026-10-17T15:00:28.377Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01137721"
    },
    {
      "nct_id": "NCT07576985",
      "title": "Evaluating the Efficacy of Intravenous Acetaminophen (IV Tylenol) in Reducing Pain and Agitation in Pediatric Patients Undergoing Elective Tonsillectomy and/or Adenoidectomy",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Tonsillectomy",
        "Adenoidectomy"
      ],
      "interventions": [
        {
          "name": "No Intervention: Observational Cohort",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "MetroHealth Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "8 Years",
        "sex": "ALL",
        "summary": "Up to 8 Years"
      },
      "enrollment_count": 20,
      "start_date": "2025-04-21",
      "completion_date": "2026-08-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-08",
      "last_synced_at": "2026-10-17T15:00:28.377Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07576985"
    },
    {
      "nct_id": "NCT04982289",
      "title": "Study of ALXN1830 Administered Subcutaneously in Adults With Generalized Myasthenia Gravis",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Generalized Myasthenia Gravis"
      ],
      "interventions": [
        {
          "name": "ALXN1830",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Alexion Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2022-01-01",
      "completion_date": "2024-01-31",
      "has_results": false,
      "last_update_posted_date": "2022-02-11",
      "last_synced_at": "2026-10-17T15:00:28.377Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04982289"
    },
    {
      "nct_id": "NCT02107105",
      "title": "Evaluation of Quality of Life and Utilities Following Surgical Treatment of Stage I-IV Rectal Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Rectal Adenocarcinoma",
        "Stage I Rectal Cancer AJCC v8",
        "Stage II Rectal Cancer AJCC v8",
        "Stage IIA Rectal Cancer AJCC v8",
        "Stage IIB Rectal Cancer AJCC v8",
        "Stage IIC Rectal Cancer AJCC v8",
        "Stage III Rectal Cancer AJCC v8",
        "Stage IIIA Rectal Cancer AJCC v8",
        "Stage IIIB Rectal Cancer AJCC v8",
        "Stage IIIC Rectal Cancer AJCC v8",
        "Stage IV Rectal Cancer AJCC v8",
        "Stage IVA Rectal Cancer AJCC v8",
        "Stage IVB Rectal Cancer AJCC v8",
        "Stage IVC Rectal Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 430,
      "start_date": "2014-05-16",
      "completion_date": "2030-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-31",
      "last_synced_at": "2026-10-17T15:00:28.377Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02107105"
    }
  ]
}