{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ambient+pressure",
    "query": {
      "intervention": "Ambient pressure"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 13,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ambient+pressure&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-07T05:22:09.118Z",
  "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": "NCT04029129",
      "title": "Reducing Traffic Pollution Exposure Improves Blood Pressure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Air Pollution"
      ],
      "interventions": [
        {
          "name": "Air filtration and building envelop modifications",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "UConn Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 77,
      "start_date": "2018-03-01",
      "completion_date": "2018-06-15",
      "has_results": true,
      "last_update_posted_date": "2023-09-28",
      "last_synced_at": "2026-09-07T05:22:09.118Z",
      "location_count": 1,
      "location_summary": "Farmington, Connecticut",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04029129"
    },
    {
      "nct_id": "NCT02941939",
      "title": "Effects of High-Intensity Interval Training (HIT) While in a Hyperoxic-Hyperbaric Environment on Exercise Performance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Exercise Performance"
      ],
      "interventions": [
        {
          "name": "Hyperbaric chamber",
          "type": "OTHER"
        },
        {
          "name": "Ambient pressure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Intermountain Health Care, Inc.",
      "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": 50,
      "start_date": "2016-04-14",
      "completion_date": "2017-06-08",
      "has_results": false,
      "last_update_posted_date": "2018-05-22",
      "last_synced_at": "2026-09-07T05:22:09.118Z",
      "location_count": 1,
      "location_summary": "Murray, Utah",
      "locations": [
        {
          "city": "Murray",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02941939"
    },
    {
      "nct_id": "NCT06104280",
      "title": "Medications for Opioid Use Disorder Photosensitive Retinal Ganglion Cell Function, Sleep, and Circadian Rhythms: Implications for Treatment",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Opioid Use Disorder",
        "Sleep Disturbance"
      ],
      "interventions": [
        {
          "name": "Post-Illumination Pupillary Response (PIPR)",
          "type": "OTHER"
        },
        {
          "name": "Polysomnography",
          "type": "OTHER"
        },
        {
          "name": "Multiple Sleep Latency Test",
          "type": "OTHER"
        },
        {
          "name": "Ecological Momentary Assessments",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Actigraphy",
          "type": "DEVICE"
        },
        {
          "name": "DLMO",
          "type": "OTHER"
        },
        {
          "name": "Melatonin Suppression Test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 200,
      "start_date": "2025-01-06",
      "completion_date": "2029-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-11",
      "last_synced_at": "2026-09-07T05:22:09.118Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06104280"
    },
    {
      "nct_id": "NCT01670942",
      "title": "Hypobaria and Traumatic Pneumothorax",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pneumothorax"
      ],
      "interventions": [
        {
          "name": "hypobaric chamber",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Intermountain Health Care, Inc.",
      "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": "2012-10",
      "completion_date": "2013-12",
      "has_results": false,
      "last_update_posted_date": "2014-04-28",
      "last_synced_at": "2026-09-07T05:22:09.118Z",
      "location_count": 1,
      "location_summary": "Murray, Utah",
      "locations": [
        {
          "city": "Murray",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01670942"
    },
    {
      "nct_id": "NCT01974726",
      "title": "Gas Supply, Demand and Middle Ear Gas Balance -- Diagnosis of Eustachian Tube Dysfunction",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Eustachian Tube Dysfunction"
      ],
      "interventions": [
        {
          "name": "ET Stress test",
          "type": "OTHER"
        },
        {
          "name": "Sonotubometry",
          "type": "OTHER"
        },
        {
          "name": "Forced Response Test (FRT)",
          "type": "OTHER"
        },
        {
          "name": "Inflation Deflation Test (IDT)",
          "type": "OTHER"
        },
        {
          "name": "Maneuver Sequence",
          "type": "OTHER"
        },
        {
          "name": "9-Step Test",
          "type": "OTHER"
        },
        {
          "name": "Tubomanometry",
          "type": "OTHER"
        },
        {
          "name": "Videoendoscopic assessment of ETF",
          "type": "OTHER"
        },
        {
          "name": "Pressure chamber ET test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "3 Years to 70 Years"
      },
      "enrollment_count": 95,
      "start_date": "2013-10",
      "completion_date": "2019-06-27",
      "has_results": false,
      "last_update_posted_date": "2020-10-08",
      "last_synced_at": "2026-09-07T05:22:09.118Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01974726"
    },
    {
      "nct_id": "NCT06740305",
      "title": "NASA Prebreathe Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Decompression Sickness"
      ],
      "interventions": [
        {
          "name": "Altitude",
          "type": "OTHER"
        },
        {
          "name": "100% Oxygen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Duke University",
      "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": 19,
      "start_date": "2025-05-05",
      "completion_date": "2025-08-21",
      "has_results": false,
      "last_update_posted_date": "2026-06-01",
      "last_synced_at": "2026-09-07T05:22:09.118Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06740305"
    },
    {
      "nct_id": "NCT06465355",
      "title": "Effects of an Air Bolus on Primary Peristalsis",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Deglutition Disorders"
      ],
      "interventions": [
        {
          "name": "pharyngo-esophageal high-resolution manometry",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Medical College of Wisconsin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "21 Years to 90 Years"
      },
      "enrollment_count": 0,
      "start_date": "2019-10-10",
      "completion_date": "2024-12-17",
      "has_results": false,
      "last_update_posted_date": "2025-04-28",
      "last_synced_at": "2026-09-07T05:22:09.118Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06465355"
    },
    {
      "nct_id": "NCT06051604",
      "title": "Mi-Helper Transnasal Cooling for Acute Treatment of Migraine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Episodic Migraine",
        "Migraine With Aura",
        "Migraine Without Aura",
        "Migraine"
      ],
      "interventions": [
        {
          "name": "Mi-Helper",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CoolTech LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 172,
      "start_date": "2023-11-15",
      "completion_date": "2024-09-24",
      "has_results": false,
      "last_update_posted_date": "2024-09-26",
      "last_synced_at": "2026-09-07T05:22:09.118Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06051604"
    },
    {
      "nct_id": "NCT06405282",
      "title": "Weightlessness Associated Cephalad Fluid Shifts; The Potential to Evaluate Venous and Lymphatic Dysfunction",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Fluid Retention Tissue",
        "Perfusion; Complications"
      ],
      "interventions": [
        {
          "name": "Manual Lymphatic Drainage",
          "type": "OTHER"
        },
        {
          "name": "Near infrared spectroscopy",
          "type": "DEVICE"
        },
        {
          "name": "Temperature",
          "type": "DEVICE"
        },
        {
          "name": "Tissue Dialectic Constant",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "Nova Southeastern University",
      "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": 15,
      "start_date": "2022-04-14",
      "completion_date": "2022-06-25",
      "has_results": false,
      "last_update_posted_date": "2024-05-08",
      "last_synced_at": "2026-09-07T05:22:09.118Z",
      "location_count": 1,
      "location_summary": "Fort Lauderdale, Florida",
      "locations": [
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06405282"
    },
    {
      "nct_id": "NCT06874361",
      "title": "Cooling to Alleviate Migraine #3",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Migraine With or Without Aura",
        "Migraine",
        "Migraine Headache"
      ],
      "interventions": [
        {
          "name": "Mi-Helper",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Mi-Helper, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 156,
      "start_date": "2025-03-24",
      "completion_date": "2025-12-15",
      "has_results": true,
      "last_update_posted_date": "2026-02-10",
      "last_synced_at": "2026-09-07T05:22:09.118Z",
      "location_count": 1,
      "location_summary": "Indian Harbour Beach, Florida",
      "locations": [
        {
          "city": "Indian Harbour Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06874361"
    }
  ]
}