{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Altitude+Sickness&page=2",
    "query": {
      "condition": "Altitude Sickness",
      "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=Altitude+Sickness&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-24T04:23:14.892Z",
  "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": "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": "2026-07-24T04:23:14.892Z",
      "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": "2026-07-24T04:23:14.892Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03368352"
    },
    {
      "nct_id": "NCT03390335",
      "title": "Decompression Tables for Diving at Altitude",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Decompression Sickness",
        "Acute Mountain Sickness"
      ],
      "interventions": [
        {
          "name": "Pressure",
          "type": "OTHER"
        },
        {
          "name": "Breathing Gas",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Duke 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": 103,
      "start_date": "2018-02-13",
      "completion_date": "2021-10-29",
      "has_results": false,
      "last_update_posted_date": "2021-12-14",
      "last_synced_at": "2026-07-24T04:23:14.892Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03390335"
    },
    {
      "nct_id": "NCT04186598",
      "title": "Evaluating the Utility of Continuous Positive Airway Pressure in the Treatment of High Altitude Pulmonary Edema",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Continuous Positive Airway Pressure",
        "High Altitude Pulmonary Edema"
      ],
      "interventions": [
        {
          "name": "CPAP mask system",
          "type": "DEVICE"
        },
        {
          "name": "Nifedipine 30 MG",
          "type": "DRUG"
        },
        {
          "name": "CPAP mask system without PEEP",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "CommonSpirit Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 64,
      "start_date": "2020-01-20",
      "completion_date": "2023-09-13",
      "has_results": false,
      "last_update_posted_date": "2024-02-07",
      "last_synced_at": "2026-07-24T04:23:14.892Z",
      "location_count": 1,
      "location_summary": "Breckenridge, Colorado",
      "locations": [
        {
          "city": "Breckenridge",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04186598"
    },
    {
      "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": "2026-07-24T04:23:14.892Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03335917"
    },
    {
      "nct_id": "NCT03552263",
      "title": "Safety and Efficacy of T89 in Prevention and Treatment of Adults With Acute Mountain Sickness (AMS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Mountain Sickness (AMS)"
      ],
      "interventions": [
        {
          "name": "T89 capsule",
          "type": "DRUG"
        },
        {
          "name": "Placebo capsule",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Tasly Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 132,
      "start_date": "2018-06-07",
      "completion_date": "2019-11-10",
      "has_results": false,
      "last_update_posted_date": "2019-11-13",
      "last_synced_at": "2026-07-24T04:23:14.892Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03552263"
    },
    {
      "nct_id": "NCT01171794",
      "title": "Prevention of Altitude Illness With Non-steroidal Anti-inflammatory Study (PAINS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Altitude Sickness"
      ],
      "interventions": [
        {
          "name": "Ibuprofen",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "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": 89,
      "start_date": "2010-07",
      "completion_date": "2010-08",
      "has_results": true,
      "last_update_posted_date": "2018-12-13",
      "last_synced_at": "2026-07-24T04:23:14.892Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01171794"
    },
    {
      "nct_id": "NCT01993667",
      "title": "Acetazolamide for the Prevention of High Altitude Illness: a Comparison of Dosing",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Prophylaxis of Acute Mountain Sickness"
      ],
      "interventions": [
        {
          "name": "Low Dose Acetazolamide",
          "type": "DRUG"
        },
        {
          "name": "Normal Dose Acetazolamide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 130,
      "start_date": "2012-03",
      "completion_date": "2016-11",
      "has_results": true,
      "last_update_posted_date": "2019-01-29",
      "last_synced_at": "2026-07-24T04:23:14.892Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01993667"
    },
    {
      "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": "2026-07-24T04:23:14.892Z",
      "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": "2026-07-24T04:23:14.892Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06040268"
    }
  ]
}