{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Oxygen+by+mask&page=2",
    "query": {
      "intervention": "Oxygen by mask",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 70,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Oxygen+by+mask&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Oxygen+by+mask&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-10T22:45:27.239Z",
  "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": "NCT07113457",
      "title": "Assessing Upper Extremity Function in Chronic Stroke Survivors Through Acute Intermittent Hypoxia",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stroke"
      ],
      "interventions": [
        {
          "name": "Acute Intermittent Hypoxia (AIH)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Shirley Ryan AbilityLab",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2025-06-02",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-03-20",
      "last_synced_at": "2026-10-10T22:45:27.239Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07113457"
    },
    {
      "nct_id": "NCT05219799",
      "title": "Sex Disparities in Hypoxic Vasodilation and Impact of Obesity",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Obesity",
        "Vasodilation",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Propranolol Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Isoproterenol",
          "type": "DRUG"
        },
        {
          "name": "Phentolamine Mesylate",
          "type": "DRUG"
        },
        {
          "name": "Norepinephrine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Missouri-Columbia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 72,
      "start_date": "2023-03-14",
      "completion_date": "2027-07-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-28",
      "last_synced_at": "2026-10-10T22:45:27.239Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05219799"
    },
    {
      "nct_id": "NCT01298921",
      "title": "A Pilot Study of Demand Valve Oxygen Inhalation Therapy for Cluster Headache",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cluster Headache"
      ],
      "interventions": [
        {
          "name": "Oxygen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Geisinger Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 4,
      "start_date": "2011-01",
      "completion_date": "2012-07",
      "has_results": true,
      "last_update_posted_date": "2019-07-11",
      "last_synced_at": "2026-10-10T22:45:27.239Z",
      "location_count": 1,
      "location_summary": "Wilkes-Barre, Pennsylvania",
      "locations": [
        {
          "city": "Wilkes-Barre",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01298921"
    },
    {
      "nct_id": "NCT03024112",
      "title": "Impact of Prophylactic High Flow Nasal Oxygen in Post-Operative Thoracic Surgical Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post-operative Pulmonary Complications"
      ],
      "interventions": [
        {
          "name": "Heated humified high-flow nasal cannula Oxygen",
          "type": "DEVICE"
        },
        {
          "name": "Standard oxygen therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "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": 51,
      "start_date": "2013-08",
      "completion_date": "2015-06",
      "has_results": true,
      "last_update_posted_date": "2026-07-07",
      "last_synced_at": "2026-10-10T22:45:27.239Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03024112"
    },
    {
      "nct_id": "NCT03748992",
      "title": "A Proof of Concept Study of Inhaled Nitric Oxide for Adults With Pulmonary Non-Tuberculous Mycobacterial Infection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Nontuberculous Mycobacterium Infection"
      ],
      "interventions": [
        {
          "name": "gNO",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Medical University of South Carolina",
      "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": 10,
      "start_date": "2019-01-28",
      "completion_date": "2020-03-26",
      "has_results": true,
      "last_update_posted_date": "2021-05-18",
      "last_synced_at": "2026-10-10T22:45:27.239Z",
      "location_count": 2,
      "location_summary": "Portland, Oregon • Charleston, South Carolina",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03748992"
    },
    {
      "nct_id": "NCT02523586",
      "title": "Comparison of Pharyngeal Oxygen Delivery by Different Oxygen Masks",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypoxemia",
        "Trauma",
        "Acute Myocardial Infarction"
      ],
      "interventions": [
        {
          "name": "Oxygen administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 14,
      "start_date": "2015-05",
      "completion_date": "2016-06",
      "has_results": true,
      "last_update_posted_date": "2018-08-01",
      "last_synced_at": "2026-10-10T22:45:27.239Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02523586"
    },
    {
      "nct_id": "NCT07002437",
      "title": "Hypoxia Pathways for Early Recovery After Spinal Cord Injury",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Spinal Cord Injuries (SCI)"
      ],
      "interventions": [
        {
          "name": "Augmented Acute Intermittent Hypoxia (aAIH)",
          "type": "OTHER"
        },
        {
          "name": "Acute Intermittent Hypercapnic-Hypoxia (AIHH)",
          "type": "OTHER"
        },
        {
          "name": "Sham AIH",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 18,
      "start_date": "2025-11-20",
      "completion_date": "2027-07",
      "has_results": false,
      "last_update_posted_date": "2025-12-03",
      "last_synced_at": "2026-10-10T22:45:27.239Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07002437"
    },
    {
      "nct_id": "NCT01539382",
      "title": "Measuring and Treating Brain Oxygen Levels in Open Heart Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiac Surgery"
      ],
      "interventions": [
        {
          "name": "Cerebral oxygenation intervention",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 140,
      "start_date": "2011-11",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2015-10-23",
      "last_synced_at": "2026-10-10T22:45:27.239Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01539382"
    },
    {
      "nct_id": "NCT05267652",
      "title": "Pragmatic Trial Examining Oxygenation Prior to Intubation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Respiratory Failure"
      ],
      "interventions": [
        {
          "name": "Preoxygenation with Non-Invasive Positive Pressure Ventilation",
          "type": "OTHER"
        },
        {
          "name": "Facemask Oxygen",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1301,
      "start_date": "2022-03-10",
      "completion_date": "2023-11-11",
      "has_results": true,
      "last_update_posted_date": "2024-12-09",
      "last_synced_at": "2026-10-10T22:45:27.239Z",
      "location_count": 16,
      "location_summary": "Birmingham, Alabama • Aurora, Colorado • Iowa City, Iowa + 13 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05267652"
    },
    {
      "nct_id": "NCT01636999",
      "title": "Comparing Sedara to Butorphanol in Early Labor",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Labor Pain"
      ],
      "interventions": [
        {
          "name": "50% Nitrous Oxide/50% Oxygen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "West Penn Allegheny Health System",
      "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": 0,
      "start_date": "2012-09",
      "completion_date": "2014-09",
      "has_results": false,
      "last_update_posted_date": "2020-10-05",
      "last_synced_at": "2026-10-10T22:45:27.239Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01636999"
    }
  ]
}