{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Carbon+dioxide+angiogram",
    "query": {
      "intervention": "Carbon dioxide angiogram"
    },
    "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": "2026-09-15T02:53:42.543Z",
  "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": "NCT05344274",
      "title": "Retinal Blood Flow and Autoregulation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Glaucoma"
      ],
      "interventions": [
        {
          "name": "Indocyanine Green Angiography",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Isocapnic Oxygen",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Ocular Imaging with Optical Coherence Tomography (OCT) and Adaptive Optics (AO)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "BIOLOGICAL"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "88 Years",
        "sex": "ALL",
        "summary": "18 Years to 88 Years"
      },
      "enrollment_count": 90,
      "start_date": "2022-05-23",
      "completion_date": "2027-09",
      "has_results": false,
      "last_update_posted_date": "2025-12-02",
      "last_synced_at": "2026-09-15T02:53:42.543Z",
      "location_count": 4,
      "location_summary": "Baltimore, Maryland • Silver Spring, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Silver Spring",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05344274"
    },
    {
      "nct_id": "NCT01326390",
      "title": "Impact of C-arm CT in Decreased Renal Function Undergoing TACE for Tx of Hepato-Cellular Carcinoma",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Kidney (Renal Cell) Cancer"
      ],
      "interventions": [
        {
          "name": "dTA/dBA C-arm fluoroscopy system with Dyna CT",
          "type": "DEVICE"
        },
        {
          "name": "DSA arteriogram- hepatic arteries",
          "type": "PROCEDURE"
        },
        {
          "name": "CO2 aortogram",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2010-05",
      "completion_date": "2012-01",
      "has_results": false,
      "last_update_posted_date": "2016-07-01",
      "last_synced_at": "2026-09-15T02:53:42.543Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01326390"
    },
    {
      "nct_id": "NCT04737616",
      "title": "Continuous Monitoring and Management of Vaginal Health Via Multifunctional OCT/OCTA/OCE Endoscopy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Genitourinary Syndrome of Menopause"
      ],
      "interventions": [
        {
          "name": "CO2 laser",
          "type": "DEVICE"
        },
        {
          "name": "OCT",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, Irvine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 90,
      "start_date": "2020-07-16",
      "completion_date": "2026-07",
      "has_results": false,
      "last_update_posted_date": "2025-07-20",
      "last_synced_at": "2026-09-15T02:53:42.543Z",
      "location_count": 1,
      "location_summary": "Irvine, California",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04737616"
    },
    {
      "nct_id": "NCT00520416",
      "title": "Prospective, Non-Randomized Evaluation of Carbon Dioxide Gas as a Contrast Agent in Comparison With Iodinated Contrast in Endovascular Aneurysm Repair",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Carbon Dioxide",
        "Endovascular Abdominal Aortic Aneurym Repair",
        "Prospective",
        "Angiogram"
      ],
      "interventions": [
        {
          "name": "Carbon dioxide angiogram",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": null,
      "start_date": "2006-10",
      "completion_date": "2008-07-20",
      "has_results": false,
      "last_update_posted_date": "2017-03-17",
      "last_synced_at": "2026-09-15T02:53:42.543Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00520416"
    },
    {
      "nct_id": "NCT01889992",
      "title": "Cardiac Allograft Remodeling and Effects of Sirolimus",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cardiac Hypertrophy",
        "Immunosuppression"
      ],
      "interventions": [
        {
          "name": "Cardiac MRI",
          "type": "RADIATION"
        },
        {
          "name": "Coronary angiography with IVUS",
          "type": "PROCEDURE"
        },
        {
          "name": "Cardiac Allograft Remodeling",
          "type": "OTHER"
        },
        {
          "name": "M-TOR Immunosuppression",
          "type": "DRUG"
        },
        {
          "name": "Cardiac Biopsy C4D stain",
          "type": "PROCEDURE"
        },
        {
          "name": "Genetic Mechanism of M-TOR",
          "type": "GENETIC"
        },
        {
          "name": "Cardiopulmonary Exercise Test (CPET)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "PROCEDURE",
        "OTHER",
        "DRUG",
        "GENETIC"
      ],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "19 Years to 70 Years"
      },
      "enrollment_count": 42,
      "start_date": "2013-04-24",
      "completion_date": "2018-09-27",
      "has_results": false,
      "last_update_posted_date": "2023-08-30",
      "last_synced_at": "2026-09-15T02:53:42.543Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01889992"
    },
    {
      "nct_id": "NCT01743872",
      "title": "Optical Imaging Measurement of Intravascular Solution Efficacy Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Peripheral Artery Disease"
      ],
      "interventions": [
        {
          "name": "Contrast Injection",
          "type": "PROCEDURE"
        },
        {
          "name": "Dextran Injection",
          "type": "PROCEDURE"
        },
        {
          "name": "CO2 Injection",
          "type": "PROCEDURE"
        },
        {
          "name": "Heparinized Normal Saline Injection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University Hospitals Cleveland Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 23,
      "start_date": "2012-09",
      "completion_date": "2016-06",
      "has_results": true,
      "last_update_posted_date": "2022-09-21",
      "last_synced_at": "2026-09-15T02:53:42.543Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01743872"
    }
  ]
}