{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Retrospective+Study&page=2",
    "query": {
      "intervention": "Retrospective 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?intervention=Retrospective+Study&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-08T11:30:16.368Z",
  "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": "NCT01511913",
      "title": "A Multi-National, Prospective, Observational Study in Patients With Unresectable or Metastatic Melanoma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Advanced Cutaneous Melanoma"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Bristol-Myers Squibb",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1411,
      "start_date": "2012-06-03",
      "completion_date": "2019-12-12",
      "has_results": false,
      "last_update_posted_date": "2021-12-28",
      "last_synced_at": "2026-09-08T11:30:16.368Z",
      "location_count": 24,
      "location_summary": "Gilbert, Arizona • Hot Springs, Arkansas • Encinitas, California + 20 more",
      "locations": [
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Encinitas",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01511913"
    },
    {
      "nct_id": "NCT06217588",
      "title": "LCAT (Lecithin Cholesterol Acyl Transferase) Natural History Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "LCAT Deficiency"
      ],
      "interventions": [
        {
          "name": "Demographics, diagnosis type, genotype, lipid profile, renal function profile, treatment allocation, ophthalmology exam, country of residence.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 40,
      "start_date": "2022-08-12",
      "completion_date": "2028-08",
      "has_results": false,
      "last_update_posted_date": "2026-05-06",
      "last_synced_at": "2026-09-08T11:30:16.368Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06217588"
    },
    {
      "nct_id": "NCT04785924",
      "title": "Imipenem/Cilastatin/Relebactam (IMI/REL) in Treatment of CRE Infections",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Carbapenem-Resistant Enterobacteriaceae Infection",
        "KPC",
        "Gram-Negative Bacterial Infections",
        "Antibiotic Resistant Infection"
      ],
      "interventions": [
        {
          "name": "Imipenem+Relebactam",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "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": "2021-06-07",
      "completion_date": "2023-01-12",
      "has_results": false,
      "last_update_posted_date": "2024-09-04",
      "last_synced_at": "2026-09-08T11:30:16.368Z",
      "location_count": 1,
      "location_summary": "Charlotte, North Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04785924"
    },
    {
      "nct_id": "NCT01815879",
      "title": "Metastatic Colorectal Cancer Liver Metastases Outcomes After Resin 90Y Microsphere Radioembolization in the USA Evaluation Project",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colorectal Cancer",
        "Liver Metastases"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Andrew Kennedy",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2012-12",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-03-21",
      "last_synced_at": "2026-09-08T11:30:16.368Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01815879"
    },
    {
      "nct_id": "NCT07118306",
      "title": "COPD Exacerbation Follow Up",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COPD (Chronic Obstructive Pulmonary Disease)"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Viz.ai, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 485,
      "start_date": "2026-02-27",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-09-02",
      "last_synced_at": "2026-09-08T11:30:16.368Z",
      "location_count": 5,
      "location_summary": "Park Ridge, Illinois • Cherry Hill, New Jersey • Philadelphia, Pennsylvania + 2 more",
      "locations": [
        {
          "city": "Park Ridge",
          "state": "Illinois"
        },
        {
          "city": "Cherry Hill",
          "state": "New Jersey"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Falls Church",
          "state": "Virginia"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07118306"
    },
    {
      "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": "2026-09-08T11:30:16.368Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03135691"
    },
    {
      "nct_id": "NCT02715752",
      "title": "A Retrospective Chart Review Study of Gene-Eden-VIR/Novirin",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Herpes Simplex Infections",
        "Human Papillomavirus",
        "Epstein-Barr Virus Infections",
        "Varicella-zoster Virus Infection",
        "Cytomegalovirus Infections"
      ],
      "interventions": [
        {
          "name": "Gene-Eden-VIR/Novirin",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "The Center for the Biology of Chronic Disease",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2016-01",
      "completion_date": "2016-03",
      "has_results": false,
      "last_update_posted_date": "2016-04-26",
      "last_synced_at": "2026-09-08T11:30:16.368Z",
      "location_count": 1,
      "location_summary": "Valley Cottage, New York",
      "locations": [
        {
          "city": "Valley Cottage",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02715752"
    },
    {
      "nct_id": "NCT02583113",
      "title": "Bilateral Total Knee Arthroplasty vs Unicompartment Arthroplasty Retrospective and Clinical Outcome Study",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Total and Unicompartment Knee Replacement",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medacta USA",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2016-02",
      "completion_date": "2026-12-01",
      "has_results": false,
      "last_update_posted_date": "2023-03-20",
      "last_synced_at": "2026-09-08T11:30:16.368Z",
      "location_count": 1,
      "location_summary": "Leesburg, Florida",
      "locations": [
        {
          "city": "Leesburg",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02583113"
    },
    {
      "nct_id": "NCT02586740",
      "title": "Retrospective Review of Anesthetic Considerations for Pulmonary Artery Rehabilitation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Artery Stenosis",
        "Tetralogy of Fallot",
        "Pulmonary Atresia"
      ],
      "interventions": [
        {
          "name": "Pulmonary artery rehabilitation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Aymen N Naguib",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 120,
      "start_date": "2015-11",
      "completion_date": "2016-10",
      "has_results": false,
      "last_update_posted_date": "2017-06-16",
      "last_synced_at": "2026-09-08T11:30:16.368Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02586740"
    },
    {
      "nct_id": "NCT07039383",
      "title": "A Real-world Study of the Effectiveness of Tisagenlecleucel in Acute Lymphoblastic Leukemia Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Lymphoblastic Leukemia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 79,
      "start_date": "2023-03-01",
      "completion_date": "2024-06-18",
      "has_results": false,
      "last_update_posted_date": "2025-06-26",
      "last_synced_at": "2026-09-08T11:30:16.368Z",
      "location_count": 1,
      "location_summary": "East Hanover, New Jersey",
      "locations": [
        {
          "city": "East Hanover",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07039383"
    }
  ]
}