{
  "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": 1213,
    "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": "2026-10-22T23:13:18.754Z",
  "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": "NCT07745179",
      "title": "Natural History Study: ENPP1 Deficiency or the Early-Onset Form of ABCC6 Deficiency",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ectonucleotide Pyrophosphatase/phosphodiesterase1 Deficiency",
        "ATP-Binding Cassette Subfamily C Member 6 Deficiency",
        "Generalized Arterial Calcification of Infancy",
        "Autosomal Recessive Hypophosphatemic Rickets",
        "PXE (Pseudoxanthoma Elasticum)"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Inozyme Pharma",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "1 Day and older"
      },
      "enrollment_count": 23,
      "start_date": "2018-12-05",
      "completion_date": "2025-02-14",
      "has_results": false,
      "last_update_posted_date": "2026-08-04",
      "last_synced_at": "2026-10-22T23:13:18.754Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07745179"
    },
    {
      "nct_id": "NCT04002518",
      "title": "MDR - Biomet Cannulated Screws",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Fractures, Bone",
        "Fracture Multiple"
      ],
      "interventions": [
        {
          "name": "Biomet Cannulated Screw: 3.0, 4.0, 5.0, 6.5, and 8.0mm screws.",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Zimmer Biomet",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 51,
      "start_date": "2019-08-07",
      "completion_date": "2026-10",
      "has_results": false,
      "last_update_posted_date": "2026-07-09",
      "last_synced_at": "2026-10-22T23:13:18.754Z",
      "location_count": 3,
      "location_summary": "Warsaw, Indiana • Worthington, Ohio • Lake Ridge, Virginia",
      "locations": [
        {
          "city": "Warsaw",
          "state": "Indiana"
        },
        {
          "city": "Worthington",
          "state": "Ohio"
        },
        {
          "city": "Lake Ridge",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04002518"
    },
    {
      "nct_id": "NCT00446108",
      "title": "Retrospective Pulmonary Valve Replacement Imaging",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congenital Heart Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "1 Year to 65 Years"
      },
      "enrollment_count": 153,
      "start_date": "2007-02",
      "completion_date": "2012-11",
      "has_results": false,
      "last_update_posted_date": "2013-11-26",
      "last_synced_at": "2026-10-22T23:13:18.754Z",
      "location_count": 2,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00446108"
    },
    {
      "nct_id": "NCT05224635",
      "title": "The PROspective Observational Vascular Injury Trial (PROOVIT)",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Vascular Injury"
      ],
      "interventions": [
        {
          "name": "Vascular Injury",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Methodist Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 5718,
      "start_date": "2021-12-30",
      "completion_date": "2028-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-10",
      "last_synced_at": "2026-10-22T23:13:18.754Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05224635"
    },
    {
      "nct_id": "NCT05775549",
      "title": "A Study to Characterize the Outcomes of Olaparib Maintenance Monotherapy in Newly Diagnosed BRCAwt Ovarian Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Advanced Ovarian Cancer"
      ],
      "interventions": [
        {
          "name": "None (Observational Study)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "130 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 130 Years · Female only"
      },
      "enrollment_count": 24,
      "start_date": "2023-07-10",
      "completion_date": "2023-10-27",
      "has_results": false,
      "last_update_posted_date": "2024-09-20",
      "last_synced_at": "2026-10-22T23:13:18.754Z",
      "location_count": 7,
      "location_summary": "Tampa, Florida • Shreveport, Louisiana • Annapolis, Maryland + 4 more",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Shreveport",
          "state": "Louisiana"
        },
        {
          "city": "Annapolis",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05775549"
    },
    {
      "nct_id": "NCT04687358",
      "title": "REgiStry Of the NAtural History of recurreNt periCarditis in pEdiatric and Adult Patients",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Recurrent Pericarditis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Kiniksa Pharmaceuticals International, plc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "7 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2021-03-16",
      "completion_date": "2029-03",
      "has_results": false,
      "last_update_posted_date": "2026-02-17",
      "last_synced_at": "2026-10-22T23:13:18.754Z",
      "location_count": 29,
      "location_summary": "Anchorage, Alaska • Tucson, Arizona • La Jolla, California + 23 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04687358"
    },
    {
      "nct_id": "NCT01452984",
      "title": "Experience of Non-Melanoma Skin Cancer (NMSC) Mohs Surgery Project",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Non-Melanoma Skin Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2011-07",
      "completion_date": "2013-12",
      "has_results": false,
      "last_update_posted_date": "2015-03-19",
      "last_synced_at": "2026-10-22T23:13:18.754Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01452984"
    },
    {
      "nct_id": "NCT06829667",
      "title": "Retrospective Study of Suture Tape for Soft Tissue Reconstruction in Patients Suffering From Lateral Ankle Instability",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lateral Ankle Instability"
      ],
      "interventions": [
        {
          "name": "Arthrex InternalBrace",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Stryker Trauma and Extremities",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "14 Years to 75 Years"
      },
      "enrollment_count": 103,
      "start_date": "2023-10-13",
      "completion_date": "2026-04-08",
      "has_results": false,
      "last_update_posted_date": "2026-09-01",
      "last_synced_at": "2026-10-22T23:13:18.754Z",
      "location_count": 4,
      "location_summary": "Phoenix, Arizona • Kansas City, Kansas • Ocean City, New Jersey + 1 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Ocean City",
          "state": "New Jersey"
        },
        {
          "city": "Chattanooga",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06829667"
    },
    {
      "nct_id": "NCT03026556",
      "title": "The Comparative Safety and Effectiveness of Dabigatran, Versus Rivaroxaban, and Apixaban Utilized in the Department of Defense Non-Valvular Atrial Fibrillation Patient Population: A Retrospective Database Analysis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Dabigatran vs. Rivaroxaban",
          "type": "DRUG"
        },
        {
          "name": "Dabigatran vs. Apixaban",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 42534,
      "start_date": "2016-12-29",
      "completion_date": "2017-08-23",
      "has_results": true,
      "last_update_posted_date": "2019-06-03",
      "last_synced_at": "2026-10-22T23:13:18.754Z",
      "location_count": 1,
      "location_summary": "Princeton, New Jersey",
      "locations": [
        {
          "city": "Princeton",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03026556"
    },
    {
      "nct_id": "NCT04714411",
      "title": "Real-World Efficacy and Safety Analysis of Omadacycline for the Treatment of Diabetic Foot Infections and Acute Osteomyelitis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetic Foot Infection"
      ],
      "interventions": [
        {
          "name": "Omadacycline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Methodist Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 42,
      "start_date": "2020-11-05",
      "completion_date": "2025-07-14",
      "has_results": false,
      "last_update_posted_date": "2026-03-27",
      "last_synced_at": "2026-10-22T23:13:18.754Z",
      "location_count": 2,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04714411"
    }
  ]
}