{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Retrospective+study&page=8",
    "query": {
      "intervention": "Retrospective study",
      "page": 8
    },
    "page_size": 10
  },
  "pagination": {
    "page": 8,
    "page_size": 10,
    "total_count": 1214,
    "total_pages": 122,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Retrospective+study&page=9&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Retrospective+study&page=7&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-29T18:38:31.963Z",
  "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": "NCT03695835",
      "title": "A Data Collection Study for Patients With Adenocarcinoma Treated With the MyVaccx Immunotherapy Regimen.",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Immunotherapeutic Agents",
          "type": "DRUG"
        },
        {
          "name": "Ablation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Gary Onik MD",
      "sponsor_class": "INDIV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 27,
      "start_date": "2018-04-11",
      "completion_date": "2020-06-17",
      "has_results": false,
      "last_update_posted_date": "2020-07-22",
      "last_synced_at": "2026-10-29T18:38:31.963Z",
      "location_count": 1,
      "location_summary": "Fort Lauderdale, Florida",
      "locations": [
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03695835"
    },
    {
      "nct_id": "NCT05314868",
      "title": "Retrospective Evaluation of Photo-oxidized Decellularized Bovine Pericardium in Cardiac Repair or Reconstruction Surgery",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congenital Heart Disease",
        "Cardiac Anomaly"
      ],
      "interventions": [
        {
          "name": "PhotoFix",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Artivion Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 10,
      "start_date": "2022-03-31",
      "completion_date": "2022-11-30",
      "has_results": false,
      "last_update_posted_date": "2023-01-13",
      "last_synced_at": "2026-10-29T18:38:31.963Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05314868"
    },
    {
      "nct_id": "NCT00828880",
      "title": "Restoration of Disc Height Reduces Chronic Low Back Pain",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Low Back Pain"
      ],
      "interventions": [
        {
          "name": "DRX9000",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "NEMA Research, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2009-01-26",
      "last_synced_at": "2026-10-29T18:38:31.963Z",
      "location_count": 1,
      "location_summary": "McAllen, Texas",
      "locations": [
        {
          "city": "McAllen",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00828880"
    },
    {
      "nct_id": "NCT07112924",
      "title": "CCM OPEN HF Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Impulse Dynamics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5500,
      "start_date": "2025-11-01",
      "completion_date": "2036-08-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-27",
      "last_synced_at": "2026-10-29T18:38:31.963Z",
      "location_count": 30,
      "location_summary": "Mesa, Arizona • Phoenix, Arizona • Surprise, Arizona + 23 more",
      "locations": [
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Surprise",
          "state": "Arizona"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07112924"
    },
    {
      "nct_id": "NCT00372164",
      "title": "Retrospective Evaluation of ASIPP Guidelines Implementation",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Guideline Implementation"
      ],
      "interventions": [
        {
          "name": "American Society of Interventional Pain Physician Guidelines",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Pain Management Center of Paducah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 0,
      "start_date": "1998-01",
      "completion_date": "2005-07",
      "has_results": false,
      "last_update_posted_date": "2015-10-21",
      "last_synced_at": "2026-10-29T18:38:31.963Z",
      "location_count": 1,
      "location_summary": "Paducah, Kentucky",
      "locations": [
        {
          "city": "Paducah",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00372164"
    },
    {
      "nct_id": "NCT02554591",
      "title": "Genomic Landscape of Ceritinib",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Carcinoma, Non-Small-Cell Lung",
        "Non-small Lung Cancer",
        "Non-Small Cell Lung Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2015-09-16",
      "completion_date": "2018-02-28",
      "has_results": false,
      "last_update_posted_date": "2018-03-05",
      "last_synced_at": "2026-10-29T18:38:31.963Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02554591"
    },
    {
      "nct_id": "NCT04567225",
      "title": "Early Basal Insulin Administration in Adult Diabetic Ketoacidosis Management",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Diabetic Ketoacidosis",
        "Type 1 Diabetes",
        "Type 2 Diabetes"
      ],
      "interventions": [
        {
          "name": "Early Glargine",
          "type": "DRUG"
        },
        {
          "name": "Late Glargine",
          "type": "DRUG"
        },
        {
          "name": "IV insulin infusion",
          "type": "OTHER"
        },
        {
          "name": "IV fluid and electrolytes replacement",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 39,
      "start_date": "2020-10-01",
      "completion_date": "2021-08-27",
      "has_results": true,
      "last_update_posted_date": "2022-09-21",
      "last_synced_at": "2026-10-29T18:38:31.963Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04567225"
    },
    {
      "nct_id": "NCT07086196",
      "title": "A Study of Real-World Outcomes of Ribociclib in First-Line Treatment for Metastatic HR+/HER2- Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Metastatic HR+/HER2- Breast Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 350,
      "start_date": "2024-05-30",
      "completion_date": "2024-08-30",
      "has_results": false,
      "last_update_posted_date": "2025-07-25",
      "last_synced_at": "2026-10-29T18:38:31.963Z",
      "location_count": 1,
      "location_summary": "East Hanover, New Jersey",
      "locations": [
        {
          "city": "East Hanover",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07086196"
    },
    {
      "nct_id": "NCT01166074",
      "title": "Retrospective Chart Review of Subcutaneous IgG Use in Infants",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Primary Immune Deficiency"
      ],
      "interventions": [
        {
          "name": "Subcutaneous IgG (SCIG)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "CSL Behring",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "2 Years",
        "sex": "ALL",
        "summary": "Up to 2 Years"
      },
      "enrollment_count": 27,
      "start_date": "2010-05",
      "completion_date": "2010-12",
      "has_results": false,
      "last_update_posted_date": "2011-02-11",
      "last_synced_at": "2026-10-29T18:38:31.963Z",
      "location_count": 5,
      "location_summary": "Los Angeles, California • Tampa, Florida • Plymouth, Minnesota + 2 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Plymouth",
          "state": "Minnesota"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01166074"
    },
    {
      "nct_id": "NCT03135691",
      "title": "Intraop Ventilation Management and Postop Pulmonary Complications in High Risk Patients for OSA",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ventilator-Induced Lung Injury"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2017-01-18",
      "completion_date": "2025-03-24",
      "has_results": false,
      "last_update_posted_date": "2025-03-27",
      "last_synced_at": "2026-10-29T18:38:31.963Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03135691"
    }
  ]
}