{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Direct+Macintosh+Laryngoscopy",
    "query": {
      "intervention": "Direct Macintosh Laryngoscopy"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 9,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-15T09:00:07.682Z",
  "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": "NCT02495259",
      "title": "Comparison of Double Lumen Tube Placement Techniques",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Airway Morbidity",
        "Intubation Complication",
        "Tracheal Intubation Morbidity",
        "Anesthesia Intubation Complication",
        "Failed or Difficult Intubation, Sequela"
      ],
      "interventions": [
        {
          "name": "ZU-bend stylet",
          "type": "DEVICE"
        },
        {
          "name": "GlideScope",
          "type": "DEVICE"
        },
        {
          "name": "GlideRite stylet",
          "type": "DEVICE"
        },
        {
          "name": "Macintosh blade",
          "type": "DEVICE"
        },
        {
          "name": "Regular Double-lumen endobronchial tube (DLT) Stylet",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2015-07",
      "completion_date": "2017-07-27",
      "has_results": true,
      "last_update_posted_date": "2018-07-27",
      "last_synced_at": "2026-09-15T09:00:07.682Z",
      "location_count": 2,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02495259"
    },
    {
      "nct_id": "NCT03775317",
      "title": "Video Laryngoscopy Versus Direct Laryngoscopy for Nasotracheal Intubation",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Intubation, Intratracheal"
      ],
      "interventions": [
        {
          "name": "Video Laryngoscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Direct Laryngoscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Louisiana State University Health Sciences Center in New Orleans",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2018-12-19",
      "completion_date": "2019-08",
      "has_results": false,
      "last_update_posted_date": "2019-03-15",
      "last_synced_at": "2026-09-15T09:00:07.682Z",
      "location_count": 1,
      "location_summary": "New Orleans, Louisiana",
      "locations": [
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03775317"
    },
    {
      "nct_id": "NCT01369381",
      "title": "Cervical Spine Biomechanics During Endotracheal Intubation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Spinal Diseases",
        "Other Biomechanical Lesions of Cervical Region",
        "Tracheal Intubation Morbidity"
      ],
      "interventions": [
        {
          "name": "Endotracheal intubation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Iowa",
      "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": 14,
      "start_date": "2011-12",
      "completion_date": "2012-07",
      "has_results": false,
      "last_update_posted_date": "2012-08-07",
      "last_synced_at": "2026-09-15T09:00:07.682Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01369381"
    },
    {
      "nct_id": "NCT01023568",
      "title": "Comparison of Direct Laryngoscopy, Truview EVO2 and Glidescope in Pediatric Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Intubation"
      ],
      "interventions": [
        {
          "name": "Macintosh blade",
          "type": "DEVICE"
        },
        {
          "name": "Glidescope",
          "type": "DEVICE"
        },
        {
          "name": "Truview PCD",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "10 Years",
        "sex": "ALL",
        "summary": "Up to 10 Years"
      },
      "enrollment_count": 134,
      "start_date": "2009-12",
      "completion_date": "2011-05",
      "has_results": true,
      "last_update_posted_date": "2017-02-02",
      "last_synced_at": "2026-09-15T09:00:07.682Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01023568"
    },
    {
      "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": "2026-09-15T09:00:07.682Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02991820"
    },
    {
      "nct_id": "NCT03467048",
      "title": "McGrath Videolaryngoscopy and Direct Laryngoscopy in Morbidly Obese Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Morbid Obesity"
      ],
      "interventions": [
        {
          "name": "McGrath videolaryngoscopy",
          "type": "DEVICE"
        },
        {
          "name": "Direct laryngoscopy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 130,
      "start_date": "2018-07-24",
      "completion_date": "2020-05-20",
      "has_results": true,
      "last_update_posted_date": "2020-07-14",
      "last_synced_at": "2026-09-15T09:00:07.682Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03467048"
    },
    {
      "nct_id": "NCT01235065",
      "title": "GlideScope Versus Direct Laryngoscope for Emergency Intubation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Oral Intubation"
      ],
      "interventions": [
        {
          "name": "type of laryngoscope",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 623,
      "start_date": "2008-07",
      "completion_date": "2016-11-16",
      "has_results": true,
      "last_update_posted_date": "2023-06-01",
      "last_synced_at": "2026-09-15T09:00:07.682Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01235065"
    },
    {
      "nct_id": "NCT04701762",
      "title": "Endotracheal Intubation Using Videolaryngoscopy Versus Conventional Direct Laryngoscopy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Intubation",
        "Laryngoscopy"
      ],
      "interventions": [
        {
          "name": "GlideScope videolaryngoscope (Verathon, Bothell, Washington 98011)",
          "type": "DEVICE"
        },
        {
          "name": "Direct laryngoscopy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 7736,
      "start_date": "2021-03-01",
      "completion_date": "2022-12-23",
      "has_results": true,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-09-15T09:00:07.682Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04701762"
    },
    {
      "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": "2026-09-15T09:00:07.682Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01114945"
    }
  ]
}