{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Retrospective+Study",
    "query": {
      "intervention": "Retrospective Study"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 1199,
    "total_pages": 120,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Retrospective+Study&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-06T11:38:54.690Z",
  "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": "NCT07613216",
      "title": "A Comparison of a Medication Adherence Platform (FORTISKAP™) vs. Usual Care in Subjects on Oral Medications for the Treatment of Interstitial Lung Disease, Sarcoid and Pulmonary Hypertension",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Idiopathic Pulmonary Fibrosis (IPF)",
        "Sarcoidosis Lung",
        "Pulmonary Hypertension",
        "Usual Interstitial Pneumonia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Cosmos Rx, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2026-07",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-05-29",
      "last_synced_at": "2026-09-06T11:38:54.690Z",
      "location_count": 1,
      "location_summary": "Norfolk, Virginia",
      "locations": [
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07613216"
    },
    {
      "nct_id": "NCT05769621",
      "title": "A Retrospective Study to Characterize Participants With Propionic Acidemia",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Propionic Acidemia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "ModernaTX, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2023-06-16",
      "completion_date": "2026-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-02-05",
      "last_synced_at": "2026-09-06T11:38:54.690Z",
      "location_count": 6,
      "location_summary": "Stanford, California • Baltimore, Maryland • Ann Arbor, Michigan + 3 more",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05769621"
    },
    {
      "nct_id": "NCT03676647",
      "title": "Diagnostic DNA Methylation Signature in Diagnosing Thyroid Cancer After Fine-Needle Aspiration in Patients With Thyroid Nodules",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Thyroid Gland Nodule"
      ],
      "interventions": [
        {
          "name": "Diagnostic DNA Methylation Signature",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2027-01-01",
      "completion_date": "2028-09-25",
      "has_results": false,
      "last_update_posted_date": "2026-06-02",
      "last_synced_at": "2026-09-06T11:38:54.690Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03676647"
    },
    {
      "nct_id": "NCT00339378",
      "title": "Incidence and Mortality of Childhood Cancer Among Children of Farmer Pesticide Applications",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pesticide Exposure"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Environmental Health Sciences (NIEHS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 21985,
      "start_date": "2000-06-28",
      "completion_date": "2007-06-11",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-09-06T11:38:54.690Z",
      "location_count": 3,
      "location_summary": "Bethesda, Maryland • Research Triangle Park, North Carolina",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Research Triangle Park",
          "state": "North Carolina"
        },
        {
          "city": "Research Triangle Park",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00339378"
    },
    {
      "nct_id": "NCT04881448",
      "title": "A Study to Examine Past Estimated Glomerular Filtration Rate (eGFR) Slope as a Risk Marker for Rapid Kidney Function Decline in People With Chronic Kidney Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "collection of serum/capillary creatinine values",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Boehringer Ingelheim",
      "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": "2021-09-16",
      "completion_date": "2022-07-15",
      "has_results": true,
      "last_update_posted_date": "2023-08-04",
      "last_synced_at": "2026-09-06T11:38:54.690Z",
      "location_count": 19,
      "location_summary": "Huntsville, Alabama • Victorville, California • Bloomfield, Connecticut + 14 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Victorville",
          "state": "California"
        },
        {
          "city": "Victorville",
          "state": "California"
        },
        {
          "city": "Bloomfield",
          "state": "Connecticut"
        },
        {
          "city": "Middlebury",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04881448"
    },
    {
      "nct_id": "NCT06751576",
      "title": "Retrospective Clinical Trial Comparing Radiologists' Diagnosis Accuracy in Lung Cancer Screening Population With and Without the Help of an AI/ML Tech-based SaMD",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "High Risk Cancer",
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Median LCS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Median Technologies",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "50 Years to 80 Years"
      },
      "enrollment_count": 480,
      "start_date": "2022-09-21",
      "completion_date": "2025-03-12",
      "has_results": false,
      "last_update_posted_date": "2025-05-06",
      "last_synced_at": "2026-09-06T11:38:54.690Z",
      "location_count": 3,
      "location_summary": "Philadelphia, Pennsylvania • Memphis, Tennessee • Houston, Texas",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06751576"
    },
    {
      "nct_id": "NCT07147517",
      "title": "Preparedness Through Respiratory Virus Epidemiology and Community Engagement",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Respiratory Infection Virus",
        "COVID -19",
        "RSV",
        "FLU"
      ],
      "interventions": [
        {
          "name": "Component A0",
          "type": "OTHER"
        },
        {
          "name": "Component A1",
          "type": "OTHER"
        },
        {
          "name": "Component A2",
          "type": "OTHER"
        },
        {
          "name": "Component B",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 25000,
      "start_date": "2025-10-08",
      "completion_date": "2030-10-30",
      "has_results": false,
      "last_update_posted_date": "2025-11-04",
      "last_synced_at": "2026-09-06T11:38:54.690Z",
      "location_count": 2,
      "location_summary": "La Jolla, California • San Ysidro, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "San Ysidro",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07147517"
    },
    {
      "nct_id": "NCT07775976",
      "title": "Cor360: Clinician-Facing Broad-Spectrum Cardiac Phenotyping and Risk Assessment Using COR® Wearable ECG to Inform Outcomes-Oriented Care Pathways",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiovascular Diseases",
        "Cardiovascular Diseases Risk",
        "Cardiac Conduction System Disease",
        "Bundle/Fascicular Abnormalities",
        "His-Purkinje Disease",
        "Arrhythmias, Cardiac",
        "Rhythm Phenotypes",
        "Myocardial Ischemia",
        "Syncope",
        "Syncope Recurrent",
        "Syncope and Collapse",
        "Seizure Disorder",
        "Sleep Apnea Syndrome, Obstructive",
        "Decision Support Systems, Clinical",
        "Heart Failure - NYHA II - IV",
        "Heart Failure (for Example, Fluid Overload)",
        "HRV",
        "Cardiopulmonary",
        "Sudden Cardiac Arrest",
        "Cardiac Arrest (CA)",
        "Ventricular Arrhythmias and Cardiac Arrest",
        "Ventricular Fibrillation",
        "QT Dispersion",
        "Atrial Cardiomyopathy"
      ],
      "interventions": [
        {
          "name": "COR Wearable ECG Monitoring",
          "type": "DEVICE"
        },
        {
          "name": "Cor360 Clinician-Facing Decision-Aid Reporting",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Peerbridge Health, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2026-08-20",
      "completion_date": "2030-06-17",
      "has_results": false,
      "last_update_posted_date": "2026-08-21",
      "last_synced_at": "2026-09-06T11:38:54.690Z",
      "location_count": 2,
      "location_summary": "Pasadena, California • Nashville, Tennessee",
      "locations": [
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07775976"
    },
    {
      "nct_id": "NCT02443389",
      "title": "Assessment of Worldwide Acute Kidney Injury Epidemiology in Neonates",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Kidney Injury"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Minute",
        "maximum_age": "2 Weeks",
        "sex": "ALL",
        "summary": "1 Minute to 2 Weeks"
      },
      "enrollment_count": 2186,
      "start_date": "2015-03",
      "completion_date": "2016-03",
      "has_results": false,
      "last_update_posted_date": "2022-12-15",
      "last_synced_at": "2026-09-06T11:38:54.690Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02443389"
    },
    {
      "nct_id": "NCT00805246",
      "title": "Assessing the Prognosis of Pulmonary Embolism Using Clinical and Imaging Biomarkers (Retrospective & Prospective )",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Embolism"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 910,
      "start_date": "2008-12",
      "completion_date": "2017-05",
      "has_results": false,
      "last_update_posted_date": "2019-09-11",
      "last_synced_at": "2026-09-06T11:38:54.690Z",
      "location_count": 2,
      "location_summary": "St Louis, Missouri • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00805246"
    }
  ]
}