{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Retrospective+data+analysis&page=2",
    "query": {
      "intervention": "Retrospective data analysis",
      "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?intervention=Retrospective+data+analysis&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-07T01:14:52.372Z",
  "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": "NCT03563976",
      "title": "Multiparametric Image Analysis and Correlation With Outcomes in Lung Cancer Screening and Early Stage Lung Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Retrospective Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 2000,
      "start_date": "2015-02-18",
      "completion_date": "2031-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-22",
      "last_synced_at": "2026-09-07T01:14:52.372Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03563976"
    },
    {
      "nct_id": "NCT04860453",
      "title": "Genomic Analysis of Families With a History of Discordant Cancers",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Discordant Cancers"
      ],
      "interventions": [
        {
          "name": "WES via Illumina NextSeq 550 sequencing system",
          "type": "GENETIC"
        },
        {
          "name": "Blood Draw",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Skin biopsy",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Saliva Sample",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Case Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 150,
      "start_date": "2020-11-17",
      "completion_date": "2028-07-01",
      "has_results": false,
      "last_update_posted_date": "2025-09-03",
      "last_synced_at": "2026-09-07T01:14:52.372Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04860453"
    },
    {
      "nct_id": "NCT04079829",
      "title": "Postoperative Respiratory Abnormalities",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Respiratory Failure",
        "Respiratory Arrest",
        "Respiratory Distress Syndrome",
        "Acute Respiratory Failure",
        "Acute Respiratory Failure With Hypoxia",
        "Acute Respiratory Failure With Hypercapnia",
        "Acute Respiratory Failure Post Surgical",
        "Acute Respiratory Failure Postprocedural",
        "Acute Respiratory Failure Following Trauma and Surgery",
        "Acute Respiratory Failure Requiring Reintubation",
        "Acute Respiratory Failure Post Traumatic",
        "Acute Respiratory Decompensation",
        "Shock",
        "Shock, Septic",
        "Shock, Cardiogenic",
        "Acute Cardiac Failure",
        "Multi Organ Failure",
        "Acute Kidney Failure"
      ],
      "interventions": [
        {
          "name": "Observational retrospective cohort to describe data validity; and Data reliability; and Completeness of the data",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Efficacy Care R&D Ltd",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 50000,
      "start_date": "2019-09-01",
      "completion_date": "2020-10",
      "has_results": false,
      "last_update_posted_date": "2020-06-24",
      "last_synced_at": "2026-09-07T01:14:52.372Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04079829"
    },
    {
      "nct_id": "NCT06018753",
      "title": "Umbrella Study for Analysis of Data Related to Patients With Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Tempus AI",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 77,
      "start_date": "2023-12-06",
      "completion_date": "2025-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-29",
      "last_synced_at": "2026-09-07T01:14:52.372Z",
      "location_count": 10,
      "location_summary": "Fountain Valley, California • Jacksonville, Florida • Honolulu, Hawaii + 7 more",
      "locations": [
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        },
        {
          "city": "Peoria",
          "state": "Illinois"
        },
        {
          "city": "Rolling Meadows",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06018753"
    },
    {
      "nct_id": "NCT03136471",
      "title": "Impact of CMS Reimbursement Policy Supporting Care Coordination in Louisiana",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetes Mellitus, Type 2",
        "Chronic Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Tulane University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 22242,
      "start_date": "2017-01",
      "completion_date": "2021-03-01",
      "has_results": false,
      "last_update_posted_date": "2023-03-21",
      "last_synced_at": "2026-09-07T01:14:52.372Z",
      "location_count": 1,
      "location_summary": "New Orleans, Louisiana",
      "locations": [
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03136471"
    },
    {
      "nct_id": "NCT02284165",
      "title": "Comparative Effectiveness of Rehabilitation Services for Survivors of Acute Ischemic Stroke",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ischemic Stroke"
      ],
      "interventions": [
        {
          "name": "retrospective analysis",
          "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": 164246,
      "start_date": "2013-05",
      "completion_date": "2016-05",
      "has_results": true,
      "last_update_posted_date": "2018-03-01",
      "last_synced_at": "2026-09-07T01:14:52.372Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02284165"
    },
    {
      "nct_id": "NCT01178333",
      "title": "Heparin-Induced Thrombocytopenia - Retrospective Analysis of Data on Incidence and Outcomes Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heparin Induced Thrombocytopenia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Carelon Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 668,
      "start_date": "2010-06",
      "completion_date": "2010-12",
      "has_results": true,
      "last_update_posted_date": "2015-05-22",
      "last_synced_at": "2026-09-07T01:14:52.372Z",
      "location_count": 21,
      "location_summary": "Iowa City, Iowa • New Orleans, Louisiana • Baltimore, Maryland + 12 more",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01178333"
    },
    {
      "nct_id": "NCT06888089",
      "title": "Deep Clinical Trajectory Modeling to Optimize Accrual to Cancer Clinical Trials",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "AI-assisted MatchMiner Platform",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20707,
      "start_date": "2023-01-30",
      "completion_date": "2024-07-15",
      "has_results": false,
      "last_update_posted_date": "2025-03-21",
      "last_synced_at": "2026-09-07T01:14:52.372Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06888089"
    },
    {
      "nct_id": "NCT04131764",
      "title": "Diagnosis of ON With or Without MS or NMOSD",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Sclerosis",
        "Neuromyelitis Optica Spectrum Disorder Attack",
        "Neuromyelitis Optica Spectrum Disorder Relapse",
        "Neuromyelitis Optica Spectrum Disorder Progression",
        "Optic Neuritis"
      ],
      "interventions": [
        {
          "name": "Reflex (Brightlamp Inc., Purdue University)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Jagannadha R Avasarala",
      "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": 112,
      "start_date": "2019-10-04",
      "completion_date": "2022-09-06",
      "has_results": false,
      "last_update_posted_date": "2022-11-14",
      "last_synced_at": "2026-09-07T01:14:52.372Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04131764"
    },
    {
      "nct_id": "NCT00341939",
      "title": "Retrospective Analysis of a Drug-Metabolizing Genotype in Cancer Patients and Correlation With Pharmacokinetic and Pharmacodynamics Data",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostate Cancer",
        "Breast Cancer",
        "Cutaneous T-Cell Lymphoma",
        "Lung Cancer",
        "Melanoma"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 484,
      "start_date": "2004-09-07",
      "completion_date": "2024-06-12",
      "has_results": false,
      "last_update_posted_date": "2024-06-13",
      "last_synced_at": "2026-09-07T01:14:52.372Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00341939"
    }
  ]
}