{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hypoxia%2C+Altitude&page=2",
    "query": {
      "condition": "Hypoxia, Altitude",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hypoxia%2C+Altitude&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-24T03:11:47.456Z",
  "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": "NCT03743610",
      "title": "Physiological Adaptations to Simulated Intermittent Altitude on Human Health and Performance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Altitude Hypoxia"
      ],
      "interventions": [
        {
          "name": "Simulated altitude",
          "type": "OTHER"
        },
        {
          "name": "Placebo simulated altitude",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "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": 71,
      "start_date": "2019-01-01",
      "completion_date": "2023-10-25",
      "has_results": false,
      "last_update_posted_date": "2024-02-20",
      "last_synced_at": "2026-07-24T03:11:47.456Z",
      "location_count": 1,
      "location_summary": "Scottsdale, Arizona",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03743610"
    },
    {
      "nct_id": "NCT05971290",
      "title": "Effects of Continuous Positive Airway Pressure on Peripheral Oxygen Saturation, Work of Breathing, and Exercise Tolerance at Altitude",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypoxemia",
        "Altitude Hypoxia"
      ],
      "interventions": [
        {
          "name": "Continuous positive airway pressure",
          "type": "DEVICE"
        },
        {
          "name": "Ambient air",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Colorado, Denver",
      "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": 25,
      "start_date": "2023-07-22",
      "completion_date": "2023-10-01",
      "has_results": false,
      "last_update_posted_date": "2023-08-02",
      "last_synced_at": "2026-07-24T03:11:47.456Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05971290"
    },
    {
      "nct_id": "NCT03368352",
      "title": "Effects of Melatonin on Sleep, Ventilatory Control and Cognition at Altitude.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Altitude Hypoxia",
        "Ventilation",
        "Sleep",
        "Oxidative Stress",
        "Neurocognitive Dysfunction"
      ],
      "interventions": [
        {
          "name": "Melatonin",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Hypoxia",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 20,
      "start_date": "2017-07-04",
      "completion_date": "2018-12-20",
      "has_results": false,
      "last_update_posted_date": "2019-01-31",
      "last_synced_at": "2026-07-24T03:11:47.456Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03368352"
    },
    {
      "nct_id": "NCT03335917",
      "title": "Oxygen Transport in Normobaric vs. Hypobaric Hypoxia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypoxia, Altitude",
        "Exercise"
      ],
      "interventions": [
        {
          "name": "Hypoxia",
          "type": "OTHER"
        },
        {
          "name": "Exercise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "19 Years to 45 Years"
      },
      "enrollment_count": 12,
      "start_date": "2017-08-15",
      "completion_date": "2018-06-01",
      "has_results": false,
      "last_update_posted_date": "2023-09-29",
      "last_synced_at": "2026-07-24T03:11:47.456Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03335917"
    },
    {
      "nct_id": "NCT01702025",
      "title": "Rapid Acclimatization to Hypoxia at Altitude",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Physiological Function in Low Oxygen Environment"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Aminophylline",
          "type": "DRUG"
        },
        {
          "name": "Methazolamide",
          "type": "DRUG"
        },
        {
          "name": "Aminophylline+Methazolamide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Colorado State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 41,
      "start_date": "2012-06",
      "completion_date": "2012-12",
      "has_results": true,
      "last_update_posted_date": "2014-10-24",
      "last_synced_at": "2026-07-24T03:11:47.456Z",
      "location_count": 1,
      "location_summary": "Fort Collins, Colorado",
      "locations": [
        {
          "city": "Fort Collins",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01702025"
    },
    {
      "nct_id": "NCT05867719",
      "title": "The Physiological Effects of Acute and Ramp Simulated Altitude Exposure During Simulated Flight Tasks",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Altitude Hypoxia"
      ],
      "interventions": [
        {
          "name": "Hypoxic breathing conditions",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Texas, El Paso",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 17,
      "start_date": "2023-08-01",
      "completion_date": "2026-04-27",
      "has_results": false,
      "last_update_posted_date": "2026-05-04",
      "last_synced_at": "2026-07-24T03:11:47.456Z",
      "location_count": 1,
      "location_summary": "El Paso, Texas",
      "locations": [
        {
          "city": "El Paso",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05867719"
    },
    {
      "nct_id": "NCT06040268",
      "title": "Advair HFA in Healthy and HAPE Predisposed Subjects",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Altitude Edema"
      ],
      "interventions": [
        {
          "name": "Advair HFA",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 60,
      "start_date": "2023-12-12",
      "completion_date": "2026-12-15",
      "has_results": false,
      "last_update_posted_date": "2025-09-22",
      "last_synced_at": "2026-07-24T03:11:47.456Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06040268"
    },
    {
      "nct_id": "NCT02233582",
      "title": "Effects of Non-steroidal Anti-inflammatory Drugs (NSAIDS) on Acclimatization to High Altitude",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "High Altitude"
      ],
      "interventions": [
        {
          "name": "Ibuprofen",
          "type": "DRUG"
        },
        {
          "name": "Sugar pill",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 20,
      "start_date": "2014-09",
      "completion_date": "2017-06",
      "has_results": false,
      "last_update_posted_date": "2021-04-06",
      "last_synced_at": "2026-07-24T03:11:47.456Z",
      "location_count": 2,
      "location_summary": "Bishop, California • San Francisco, California",
      "locations": [
        {
          "city": "Bishop",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02233582"
    },
    {
      "nct_id": "NCT01477450",
      "title": "Comparison of Oxygen Delivery Devices for Reversal of Altitude-Induced Hypoxemia in Normal Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypoxemia",
        "Hypobaric Hypoxemia"
      ],
      "interventions": [
        {
          "name": "Pulse-dose oxygen",
          "type": "DEVICE"
        },
        {
          "name": "Cylinder oxygen delivery",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 30,
      "start_date": "2011-10",
      "completion_date": "2012-09",
      "has_results": true,
      "last_update_posted_date": "2014-09-26",
      "last_synced_at": "2026-07-24T03:11:47.456Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01477450"
    },
    {
      "nct_id": "NCT05800808",
      "title": "Exercise Induced Plasma Volume Expansion Lowers Cardiovascular Strain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiac Output",
        "Stroke Volume"
      ],
      "interventions": [
        {
          "name": "High Intensity Intervals",
          "type": "PROCEDURE"
        },
        {
          "name": "Moderate Exercise",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "California Baptist University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "38 Years",
        "sex": "MALE",
        "summary": "18 Years to 38 Years · Male only"
      },
      "enrollment_count": 8,
      "start_date": "2019-01-15",
      "completion_date": "2022-12-08",
      "has_results": false,
      "last_update_posted_date": "2023-04-06",
      "last_synced_at": "2026-07-24T03:11:47.456Z",
      "location_count": 1,
      "location_summary": "Riverside, California",
      "locations": [
        {
          "city": "Riverside",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05800808"
    }
  ]
}