{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Comparator%3A+Retrospective+Group%28Control%29",
    "query": {
      "intervention": "Comparator: Retrospective Group(Control)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 6,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-15T01:56:12.885Z",
  "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": "NCT07674095",
      "title": "Assessment of a Large US EHR Database as Meeting FDA Fit-for-Purpose Requirements to Provide External Controls for Study BPM31510 in Participants With Glioblastoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Glioblastoma"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "BPGbio",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2021-03-01",
      "completion_date": "2026-09-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-01",
      "last_synced_at": "2026-09-15T01:56:12.885Z",
      "location_count": 1,
      "location_summary": "Waltham, Massachusetts",
      "locations": [
        {
          "city": "Waltham",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07674095"
    },
    {
      "nct_id": "NCT02181257",
      "title": "Extracorporeal Photopheresis for Medicare Recipients of Lung Allografts",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Bronchiolitis Obliterans Syndrome (BOS)"
      ],
      "interventions": [
        {
          "name": "Extracorporeal Photopheresis (ECP)",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "No intervention in the SOC / Retrospective Chart review.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT",
        "OTHER"
      ],
      "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": 280,
      "start_date": "2015-01",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-04-06",
      "last_synced_at": "2026-09-15T01:56:12.885Z",
      "location_count": 22,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • La Jolla, California + 18 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Gainsville",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02181257"
    },
    {
      "nct_id": "NCT07005362",
      "title": "Fitbit and AI Chatbot in Sedentary Primary Care Patients With T2D",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Type 2 Diabetes",
        "Type 2 Diabetes Mellitus (T2DM)",
        "T2DM (Type 2 Diabetes Mellitus)",
        "T2D",
        "T2DM",
        "Remote Patient Monitoring",
        "Artificial Intelegence"
      ],
      "interventions": [
        {
          "name": "Fitbit and AI Chatbot",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Routine Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 35,
      "start_date": "2025-09-03",
      "completion_date": "2026-08-14",
      "has_results": false,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-09-15T01:56:12.885Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07005362"
    },
    {
      "nct_id": "NCT04455035",
      "title": "DynaCleft® Effects on Soft Tissues and on Quality of Life for Incomplete Unilateral Cleft Lip Infants",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cleft Lip and Palate"
      ],
      "interventions": [
        {
          "name": "Comparator: Retrospective Group(Control)",
          "type": "OTHER"
        },
        {
          "name": "Prospective Group",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "6 Months",
        "sex": "ALL",
        "summary": "Up to 6 Months"
      },
      "enrollment_count": 24,
      "start_date": "2020-09-21",
      "completion_date": "2021-04-06",
      "has_results": true,
      "last_update_posted_date": "2024-12-30",
      "last_synced_at": "2026-09-15T01:56:12.885Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04455035"
    },
    {
      "nct_id": "NCT06744673",
      "title": "A Study to Assess the Pregnancy Outcome in Women Exposed to Dayvigo® During Pregnancy Compared to an Unexposed Control Population",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sleep Initiation and Maintenance Disorders",
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "No Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Eisai Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "49 Years",
        "sex": "FEMALE",
        "summary": "16 Years to 49 Years · Female only"
      },
      "enrollment_count": 861,
      "start_date": "2025-01-03",
      "completion_date": "2025-12-30",
      "has_results": false,
      "last_update_posted_date": "2025-06-19",
      "last_synced_at": "2026-09-15T01:56:12.885Z",
      "location_count": 1,
      "location_summary": "Nutley, New Jersey",
      "locations": [
        {
          "city": "Nutley",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06744673"
    },
    {
      "nct_id": "NCT05328713",
      "title": "Immune Correlates of Cardiac Structure and Function",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Perinatal HIV Infection",
        "Cardiac Fibrosis",
        "Cardiac Inflammation"
      ],
      "interventions": [
        {
          "name": "Cardiac MRI",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "20 Years to 45 Years"
      },
      "enrollment_count": 40,
      "start_date": "2022-05-09",
      "completion_date": "2022-09-21",
      "has_results": false,
      "last_update_posted_date": "2024-03-21",
      "last_synced_at": "2026-09-15T01:56:12.885Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05328713"
    }
  ]
}