{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=CTO",
    "query": {
      "intervention": "CTO"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 37,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=CTO&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T01:13:54.226Z",
  "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": "NCT03959072",
      "title": "Cardiac Cath Lab Staff Radiation Exposure",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Coronary Artery Disease",
        "Chronic Total Occlusion of Coronary Artery",
        "Percutaneous Coronary Intervention"
      ],
      "interventions": [
        {
          "name": "Robotic CTO PCI",
          "type": "DEVICE"
        },
        {
          "name": "Conventional (Manual) CTO PCI",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Siemens Healthineers Endovascular Robotics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 74,
      "start_date": "2019-09-05",
      "completion_date": "2021-09-15",
      "has_results": false,
      "last_update_posted_date": "2023-02-02",
      "last_synced_at": "2026-09-03T01:13:54.226Z",
      "location_count": 3,
      "location_summary": "Kansas City, Missouri • York, Pennsylvania • Seattle, Washington",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "York",
          "state": "Pennsylvania"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03959072"
    },
    {
      "nct_id": "NCT02145299",
      "title": "The Lumen Study: Comparing Devices for Patients With Symptomatic Femoro-popliteal Chronic Total Occlusion (CTO)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Symptomatic Femoro-popliteal Chronic Total Occlusion"
      ],
      "interventions": [
        {
          "name": "TruePath CTO Device",
          "type": "DEVICE"
        },
        {
          "name": "CROSSER CTO Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 8,
      "start_date": "2014-05",
      "completion_date": "2015-06",
      "has_results": true,
      "last_update_posted_date": "2016-11-04",
      "last_synced_at": "2026-09-03T01:13:54.226Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02145299"
    },
    {
      "nct_id": "NCT01012869",
      "title": "AngiographiC Evaluation of the Everolimus-Eluting Stent in Chronic Total Occlusions - the ACE-CTO Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Coronary Occlusions"
      ],
      "interventions": [
        {
          "name": "everolimus-eluting stent",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "North Texas Veterans Healthcare System",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2009-11",
      "completion_date": "2013-06",
      "has_results": false,
      "last_update_posted_date": "2013-10-29",
      "last_synced_at": "2026-09-03T01:13:54.226Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01012869"
    },
    {
      "nct_id": "NCT01246505",
      "title": "Peripheral Facilitated Antegrade Steering Technique in Chronic Total Occlusions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Total Occlusion"
      ],
      "interventions": [
        {
          "name": "CTO Crossing and Percutaneous transluminal angioplasty",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "BridgePoint Medical",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 105,
      "start_date": "2011-07",
      "completion_date": "2012-01",
      "has_results": false,
      "last_update_posted_date": "2012-07-12",
      "last_synced_at": "2026-09-03T01:13:54.226Z",
      "location_count": 10,
      "location_summary": "Phoenix, Arizona • Los Angeles, California • Torrance, California + 7 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01246505"
    },
    {
      "nct_id": "NCT01435031",
      "title": "EXPERT CTO: Evaluation of the XIENCE PRIME™ LL and XIENCE Nano™ Everolimus Eluting Coronary Stent Coronary Stents, Performance, and Technique in Chronic Total Occlusions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Coronary Artery Disease (CAD)",
        "Chronic Total Occlusion (CTO)"
      ],
      "interventions": [
        {
          "name": "CTO Treatment Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Abbott Medical Devices",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 250,
      "start_date": "2011-09",
      "completion_date": "2017-12",
      "has_results": true,
      "last_update_posted_date": "2018-05-09",
      "last_synced_at": "2026-09-03T01:13:54.226Z",
      "location_count": 1,
      "location_summary": "Santa Clara, California",
      "locations": [
        {
          "city": "Santa Clara",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01435031"
    },
    {
      "nct_id": "NCT01107522",
      "title": "Safety and Tolerability of Carboxyamidotriazole Orotate (CTO) in Solid Tumors or With Temodar® in Glioblastoma or Other Recurrent Malignant Gliomas or in Combination With Temodar® and Radiation Therapy for Patients With Newly Diagnosed Glioblastoma and Malignant Gliomas",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Solid Tumors, Glioblastoma, Recurrent Malignant Gliomas"
      ],
      "interventions": [
        {
          "name": "CTO",
          "type": "DRUG"
        },
        {
          "name": "CTO and Temodar®",
          "type": "DRUG"
        },
        {
          "name": "CTO, Temodar®, Radiation therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Tactical Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2010-05",
      "completion_date": "2026-01",
      "has_results": false,
      "last_update_posted_date": "2025-09-09",
      "last_synced_at": "2026-09-03T01:13:54.226Z",
      "location_count": 4,
      "location_summary": "New York, New York • Portland, Oregon",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01107522"
    },
    {
      "nct_id": "NCT03719014",
      "title": "Cohort B of the Pivotal Study to Evaluate the Safety and Effectiveness of the NovaCross™ Micro-catheter",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Coronary Occlusion"
      ],
      "interventions": [
        {
          "name": "NovaCross",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Nitiloop Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "25 Years to 80 Years"
      },
      "enrollment_count": 60,
      "start_date": "2018-11",
      "completion_date": "2019-12",
      "has_results": false,
      "last_update_posted_date": "2018-11-06",
      "last_synced_at": "2026-09-03T01:13:54.226Z",
      "location_count": 3,
      "location_summary": "Little Rock, Arkansas • New York, New York • York, Pennsylvania",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "York",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03719014"
    },
    {
      "nct_id": "NCT06795763",
      "title": "Acolyte CTO-PCI Study: Imaging and Catheter System to Treat Patients With Coronary Chronic Total Occlusion, Who Have Persistent Symptoms Following Medical Therapy and Are Undergoing Percutaneous Coronary Interventional Procedures",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Coronary Chronic Total Occlusions",
        "Ischemic Heart Disease",
        "Ischemic Heart Disease (IHD)",
        "Ischemic Heart Disease Chronic"
      ],
      "interventions": [
        {
          "name": "CTO-PCI Procedure with Acolyte Catheter System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Elumn8 Medical",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 115,
      "start_date": "2025-08-06",
      "completion_date": "2027-09-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-19",
      "last_synced_at": "2026-09-03T01:13:54.226Z",
      "location_count": 5,
      "location_summary": "Atlanta, Georgia • Minneapolis, Minnesota • Roslyn, New York + 1 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Roslyn",
          "state": "New York"
        },
        {
          "city": "Amarillo",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06795763"
    },
    {
      "nct_id": "NCT01989052",
      "title": "Ph 1/2 CTO With Lomustine for Bevacizumab-Naive Recurrent Glioma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Malignant Glioma (WHO Grade III or IV)"
      ],
      "interventions": [
        {
          "name": "CTO",
          "type": "DRUG"
        },
        {
          "name": "Lomustine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Annick Desjardins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2014-05",
      "completion_date": "2016-02",
      "has_results": false,
      "last_update_posted_date": "2016-08-04",
      "last_synced_at": "2026-09-03T01:13:54.226Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01989052"
    },
    {
      "nct_id": "NCT01205386",
      "title": "Crosser Enters The Right Arterial Lumen",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Total Occlusion of Artery of the Extremities"
      ],
      "interventions": [
        {
          "name": "1. CROSSER System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "C. R. Bard",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2010-02",
      "completion_date": "2012-08",
      "has_results": false,
      "last_update_posted_date": "2013-09-10",
      "last_synced_at": "2026-09-03T01:13:54.226Z",
      "location_count": 8,
      "location_summary": "Washington D.C., District of Columbia • Des Moines, Iowa • Detroit, Michigan + 5 more",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Des Moines",
          "state": "Iowa"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Wyoming",
          "state": "Michigan"
        },
        {
          "city": "Coon Rapids",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01205386"
    }
  ]
}