{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Direct+Laryngoscope+%28DL%29",
    "query": {
      "intervention": "Direct Laryngoscope (DL)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 7,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-26T13:38:45.944Z",
  "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": "NCT01886807",
      "title": "The Use of Apneic Oxygenation During Prolonged Intubation in Pediatric Patients: a Randomized Clinical Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Intubation of Pediatric Dental Surgery Patients"
      ],
      "interventions": [
        {
          "name": "TrueView PCD Video Laryngoscope",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "1 Year to 17 Years"
      },
      "enrollment_count": 482,
      "start_date": "2013-06",
      "completion_date": "2015-05",
      "has_results": true,
      "last_update_posted_date": "2019-04-11",
      "last_synced_at": "2026-09-26T13:38:45.944Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01886807"
    },
    {
      "nct_id": "NCT05433155",
      "title": "Nasotracheal Intubation With VL vs DL in Infants Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Intubation Complication",
        "Intubation; Difficult or Failed",
        "Hypoxia",
        "Hypoxemia",
        "Anesthesia Intubation Complication",
        "Pediatric HD"
      ],
      "interventions": [
        {
          "name": "Nasotracheal intubation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "365 Days",
        "sex": "ALL",
        "summary": "1 Day to 365 Days"
      },
      "enrollment_count": 680,
      "start_date": "2022-06-06",
      "completion_date": "2025-02-25",
      "has_results": false,
      "last_update_posted_date": "2025-03-28",
      "last_synced_at": "2026-09-26T13:38:45.944Z",
      "location_count": 8,
      "location_summary": "Aurora, Colorado • Washington D.C., District of Columbia • Philadelphia, Pennsylvania + 5 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05433155"
    },
    {
      "nct_id": "NCT02991820",
      "title": "VL vs DL in Inexperienced Users: a Pediatric Manikin Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Videolaryngoscopes (VL)",
        "Direct Laryngoscopy (DL)",
        "Inexperienced Users"
      ],
      "interventions": [
        {
          "name": "Miller",
          "type": "DEVICE"
        },
        {
          "name": "Macintosh",
          "type": "DEVICE"
        },
        {
          "name": "C-MAC",
          "type": "DEVICE"
        },
        {
          "name": "GlideScope",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Joseph D. Tobias",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 43,
      "start_date": "2016-06",
      "completion_date": "2017-05",
      "has_results": true,
      "last_update_posted_date": "2018-07-18",
      "last_synced_at": "2026-09-26T13:38:45.944Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02991820"
    },
    {
      "nct_id": "NCT02955511",
      "title": "Comparison of 3 Direct Laryngoscopes for Tracheal Intubation in Patients Undergoing Lumbar Spine Surgery",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anesthesia",
        "Airway"
      ],
      "interventions": [
        {
          "name": "Blade MAC size 3",
          "type": "DEVICE"
        },
        {
          "name": "Blade MAC size 3.5",
          "type": "DEVICE"
        },
        {
          "name": "Inscope Blade size 3.5",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Cedars-Sinai Medical Center",
      "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": 5,
      "start_date": "2018-01-02",
      "completion_date": "2021-09-15",
      "has_results": true,
      "last_update_posted_date": "2022-10-19",
      "last_synced_at": "2026-09-26T13:38:45.944Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02955511"
    },
    {
      "nct_id": "NCT01114945",
      "title": "Comparative Effectiveness of Intubating Devices in the Morbidly Obese",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "McGrath",
          "type": "DEVICE"
        },
        {
          "name": "GlideScope",
          "type": "DEVICE"
        },
        {
          "name": "Direct Macintosh Laryngoscopy",
          "type": "DEVICE"
        },
        {
          "name": "Video-Mac",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Cedars-Sinai Medical Center",
      "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": 121,
      "start_date": "2010-05",
      "completion_date": "2011-10",
      "has_results": true,
      "last_update_posted_date": "2016-04-06",
      "last_synced_at": "2026-09-26T13:38:45.944Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01114945"
    },
    {
      "nct_id": "NCT02208349",
      "title": "King Video Laryngoscope Versus Direct Laryngoscopy for Prehospital Intubation: A Randomized Controlled Trial",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Respiratory Failure"
      ],
      "interventions": [
        {
          "name": "King Video Laryngoscope",
          "type": "DEVICE"
        },
        {
          "name": "traditional direct laryngoscopy (DL)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Saint Vincent Hospital, Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 83,
      "start_date": "2014-04",
      "completion_date": "2017-04",
      "has_results": true,
      "last_update_posted_date": "2018-06-06",
      "last_synced_at": "2026-09-26T13:38:45.944Z",
      "location_count": 1,
      "location_summary": "Erie, Pennsylvania",
      "locations": [
        {
          "city": "Erie",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02208349"
    },
    {
      "nct_id": "NCT06231342",
      "title": "Endotracheal Tube (ETT) 180: Stylet-loaded Endotracheal Tube Rotation Before Insertion",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anesthesia, Endotracheal"
      ],
      "interventions": [
        {
          "name": "Direct Laryngoscope (DL)",
          "type": "DEVICE"
        },
        {
          "name": "Video laryngoscope (VL)",
          "type": "DEVICE"
        },
        {
          "name": "Endotracheal Tube (ETT) 180",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 357,
      "start_date": "2023-05-31",
      "completion_date": "2027-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-09-26T13:38:45.944Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06231342"
    }
  ]
}