{
  "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": "2026-09-11T19:56:18.521Z",
  "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": "NCT04766996",
      "title": "PROUD Study - Preventing Opioid Use Disorders",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Anesthesia",
        "Opioid Use"
      ],
      "interventions": [
        {
          "name": "Guided mindfulness exercises",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Self-administered aromatherapy",
          "type": "OTHER"
        },
        {
          "name": "Baby aspirin",
          "type": "DRUG"
        },
        {
          "name": "Tylenol/Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Pregabalin",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        },
        {
          "name": "Meloxicam",
          "type": "DRUG"
        },
        {
          "name": "Prilosec",
          "type": "DRUG"
        },
        {
          "name": "Tramadol",
          "type": "DRUG"
        },
        {
          "name": "Voltaren",
          "type": "DRUG"
        },
        {
          "name": "Zofran",
          "type": "DRUG"
        },
        {
          "name": "Pepcid",
          "type": "DRUG"
        },
        {
          "name": "Reglan",
          "type": "DRUG"
        },
        {
          "name": "Versed",
          "type": "DRUG"
        },
        {
          "name": "Lidocaine",
          "type": "DRUG"
        },
        {
          "name": "Propofol",
          "type": "DRUG"
        },
        {
          "name": "Ancef",
          "type": "DRUG"
        },
        {
          "name": "Tranexamic Acid (TXA)",
          "type": "DRUG"
        },
        {
          "name": "Decadron",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Toradol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 57,
      "start_date": "2021-05-17",
      "completion_date": "2021-12-27",
      "has_results": true,
      "last_update_posted_date": "2023-06-22",
      "last_synced_at": "2026-09-11T19:56:18.521Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04766996"
    },
    {
      "nct_id": "NCT04987931",
      "title": "Real-World Outcomes of US Talazoparib-Treated Patients With Locally Advanced or Metastatic Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Talazoparib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 84,
      "start_date": "2021-08-20",
      "completion_date": "2021-10-11",
      "has_results": true,
      "last_update_posted_date": "2024-01-22",
      "last_synced_at": "2026-09-11T19:56:18.521Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04987931"
    },
    {
      "nct_id": "NCT07690657",
      "title": "Evaluating Intervention Allocation Policies for Reducing Hospital Readmissions at Michigan Medicine",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Transition of Care"
      ],
      "interventions": [
        {
          "name": "C-HARP TOC assignment",
          "type": "DEVICE"
        },
        {
          "name": "The LACE Index TOC assignment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5000,
      "start_date": "2026-07",
      "completion_date": "2027-09",
      "has_results": false,
      "last_update_posted_date": "2026-07-08",
      "last_synced_at": "2026-09-11T19:56:18.521Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07690657"
    },
    {
      "nct_id": "NCT00359099",
      "title": "Hepatitis C in Adults Who Underwent Congenital Heart Surgery Before Screening",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congenital Heart Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "1980-01",
      "completion_date": "2006-07",
      "has_results": false,
      "last_update_posted_date": "2013-11-27",
      "last_synced_at": "2026-09-11T19:56:18.521Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00359099"
    },
    {
      "nct_id": "NCT02766907",
      "title": "Optimizing the Ocular Surface Prior to Cataract Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Corneal Dystrophy, Epithelial Basement Membrane"
      ],
      "interventions": [
        {
          "name": "cryopreserved amniotic membrane",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "BioTissue Holdings, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2016-03",
      "completion_date": "2018-04",
      "has_results": true,
      "last_update_posted_date": "2019-03-19",
      "last_synced_at": "2026-09-11T19:56:18.521Z",
      "location_count": 1,
      "location_summary": "Norfolk, Virginia",
      "locations": [
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02766907"
    },
    {
      "nct_id": "NCT01380171",
      "title": "Primary Palatoplasty in Pediatric Patients - A Retrospective Review of Surgical Outcomes",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cleft Lip",
        "Cleft Palate"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Children's Healthcare of Atlanta",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1295,
      "start_date": "2007-02",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2011-06-27",
      "last_synced_at": "2026-09-11T19:56:18.521Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01380171"
    },
    {
      "nct_id": "NCT01536457",
      "title": "Reflux Disease Therapy in the Management of Childhood Asthma-data Entry and Analysis Only",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Asthma",
        "Gastroesophageal Reflux Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Children's Center for Digestive Health Care",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "4 Years to 11 Years"
      },
      "enrollment_count": 59,
      "start_date": "2011-07",
      "completion_date": "2013-01",
      "has_results": false,
      "last_update_posted_date": "2015-02-11",
      "last_synced_at": "2026-09-11T19:56:18.521Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01536457"
    },
    {
      "nct_id": "NCT04353765",
      "title": "Study Of Cabozantinib Treatment In Patients With Unresectable, Locally Advanced Or Metastatic Renal Cell Carcinoma Who Progressed After Previous Treatment With Checkpoint Inhibitors",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Locally Advanced or Metastatic Renal Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Cabozantinib monotherapy",
          "type": "DRUG"
        },
        {
          "name": "All authorized TKI monotherapies in advanced RCC per FDA label in advanced RCC",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ipsen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 247,
      "start_date": "2020-01-30",
      "completion_date": "2020-06-05",
      "has_results": false,
      "last_update_posted_date": "2021-11-17",
      "last_synced_at": "2026-09-11T19:56:18.521Z",
      "location_count": 1,
      "location_summary": "The Woodlands, Texas",
      "locations": [
        {
          "city": "The Woodlands",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04353765"
    },
    {
      "nct_id": "NCT01384448",
      "title": "Stress Echocardiography and Heart Computed Tomography (CT) Scan in Emergency Department Patients With Chest Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chest Pain",
        "Angina",
        "Angina Pectoris",
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "Stress Echocardiography",
          "type": "PROCEDURE"
        },
        {
          "name": "Coronary CT Angiography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Montefiore Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 400,
      "start_date": "2011-08",
      "completion_date": "2017-02",
      "has_results": false,
      "last_update_posted_date": "2018-10-11",
      "last_synced_at": "2026-09-11T19:56:18.521Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01384448"
    },
    {
      "nct_id": "NCT01749410",
      "title": "A Retrospective Study to Evaluate the Effectiveness and Benefit of onabotulinumtoxinA in Patients With Chronic Migraines",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Migraine, Headaches"
      ],
      "interventions": [
        {
          "name": "onabotulinumtoxinA",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Allergan",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 33,
      "start_date": "2013-05",
      "completion_date": "2014-05",
      "has_results": true,
      "last_update_posted_date": "2015-09-10",
      "last_synced_at": "2026-09-11T19:56:18.521Z",
      "location_count": 1,
      "location_summary": "Encinitas, California",
      "locations": [
        {
          "city": "Encinitas",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01749410"
    }
  ]
}