{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Retrospective+Control",
    "query": {
      "intervention": "Retrospective Control"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 179,
    "total_pages": 18,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Retrospective+Control&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-05T23:16:44.423Z",
  "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": "2026-09-05T23:16:44.423Z",
      "location_count": 1,
      "location_summary": "Norfolk, Virginia",
      "locations": [
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07613216"
    },
    {
      "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": "2026-09-05T23:16:44.423Z",
      "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": "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": "2026-09-05T23:16:44.423Z",
      "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": "2026-09-05T23:16:44.423Z",
      "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": "NCT06252129",
      "title": "Maximizing Lymph Node Dissection on Fresh and Fixed Lung Cancer Resection Specimens",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Cancer",
        "Lymph Node Metastasis",
        "Pathologic Processes"
      ],
      "interventions": [
        {
          "name": "Subjects undergoing a lung specimen lymph node dissection",
          "type": "OTHER"
        },
        {
          "name": "Control group",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 160,
      "start_date": "2024-07-26",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-03-05",
      "last_synced_at": "2026-09-05T23:16:44.423Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06252129"
    },
    {
      "nct_id": "NCT02532361",
      "title": "Proportion of Hysterectomy After Female Sterilization",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hysterectomy"
      ],
      "interventions": [
        {
          "name": "Hysteroscopic device placement including Essure (ESS305, BAY1454032)",
          "type": "DEVICE"
        },
        {
          "name": "Tubal ligation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 49 Years · Female only"
      },
      "enrollment_count": 10578,
      "start_date": "2015-08",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2016-12-23",
      "last_synced_at": "2026-09-05T23:16:44.423Z",
      "location_count": 1,
      "location_summary": "New Jersey, New Jersey",
      "locations": [
        {
          "city": "New Jersey",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02532361"
    },
    {
      "nct_id": "NCT03781596",
      "title": "EoE RCT Fluticasone and Omeprazole vs Fluticasone Alone",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Eosinophilic Esophagitis"
      ],
      "interventions": [
        {
          "name": "Retrospective evaluation of endoscopy prior to study drug",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Symptom Survey",
          "type": "OTHER"
        },
        {
          "name": "Medication Compliance Phone Call",
          "type": "OTHER"
        },
        {
          "name": "Endoscopy while on study drug",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Fluticasone",
          "type": "DRUG"
        },
        {
          "name": "Omeprazole",
          "type": "DRUG"
        },
        {
          "name": "Placebo oral capsule",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Claire Daniels",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "6 Years to 60 Years"
      },
      "enrollment_count": 100,
      "start_date": "2018-10-02",
      "completion_date": "2022-10-02",
      "has_results": false,
      "last_update_posted_date": "2018-12-20",
      "last_synced_at": "2026-09-05T23:16:44.423Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03781596"
    },
    {
      "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": "2026-09-05T23:16:44.423Z",
      "location_count": 1,
      "location_summary": "Norfolk, Virginia",
      "locations": [
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02766907"
    },
    {
      "nct_id": "NCT02910037",
      "title": "Precision Diagnosis of Acute Infectious Diseases; Neuroinflammatory Cohort",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Encephalitis",
        "Meningitis"
      ],
      "interventions": [
        {
          "name": "mNGS for pathogen detection",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Minute",
        "maximum_age": "110 Years",
        "sex": "ALL",
        "summary": "1 Minute to 110 Years"
      },
      "enrollment_count": 214,
      "start_date": "2016-06-01",
      "completion_date": "2017-07-31",
      "has_results": true,
      "last_update_posted_date": "2021-05-27",
      "last_synced_at": "2026-09-05T23:16:44.423Z",
      "location_count": 7,
      "location_summary": "Davis, California • Los Angeles, California • San Francisco, California + 3 more",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02910037"
    },
    {
      "nct_id": "NCT04857528",
      "title": "Detecting HPV DNA in Anal and Cervical Cancers",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cervical Cancer",
        "Anal Cancer",
        "HPV-Related Anal Squamous Cell Carcinoma",
        "HPV-Related Cervical Carcinoma",
        "HPV-Related Carcinoma",
        "Uterine Cervical Cancer"
      ],
      "interventions": [
        {
          "name": "Radiation Treatment With or Without Chemotherapy",
          "type": "RADIATION"
        },
        {
          "name": "Blood Sample Collection",
          "type": "OTHER"
        },
        {
          "name": "HPV Genotyping (HPV DNA Test)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Testing Archival Tumor Tissue",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Physical Exam",
          "type": "OTHER"
        },
        {
          "name": "Positron Emission Tomography Scan (PET Scan)/ Computed Tomography Scan (CT Scan)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "OTHER",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2020-10-06",
      "completion_date": "2027-11-15",
      "has_results": false,
      "last_update_posted_date": "2026-03-04",
      "last_synced_at": "2026-09-05T23:16:44.423Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04857528"
    }
  ]
}