{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Oxygen+Concentration+Levels",
    "query": {
      "condition": "Oxygen Concentration Levels"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 3,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T11:56:50.160Z",
  "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": "NCT02476630",
      "title": "Thenar Tissue Oxygen Concentration (StO2): A Non-invasive Surrogate for Central Venous Oxygen Saturation (ScvO2)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Oxygen Concentration Levels"
      ],
      "interventions": [
        {
          "name": "StO2 measurement",
          "type": "DEVICE"
        },
        {
          "name": "Blood Gases",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Month",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "1 Month to 21 Years"
      },
      "enrollment_count": 69,
      "start_date": "2015-07",
      "completion_date": "2018-08",
      "has_results": false,
      "last_update_posted_date": "2018-08-22",
      "last_synced_at": "2026-09-04T11:56:50.160Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02476630"
    },
    {
      "nct_id": "NCT02591589",
      "title": "Intraoperative Oxygen Concentration and Neurocognition After Cardiac Surgery",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hyperoxia",
        "Normoxic",
        "Delirium"
      ],
      "interventions": [
        {
          "name": "Normoxic oxygenation",
          "type": "OTHER"
        },
        {
          "name": "Hyperoxic oxygenation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2015-07",
      "completion_date": "2021-03-01",
      "has_results": false,
      "last_update_posted_date": "2020-09-23",
      "last_synced_at": "2026-09-04T11:56:50.160Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02591589"
    },
    {
      "nct_id": "NCT00049140",
      "title": "EF5 Compared With Other Methods of Detecting Oxygen Levels in Tumor Cells of Patients With Head and Neck Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "EF5",
          "type": "DRUG"
        },
        {
          "name": "bioluminescence",
          "type": "OTHER"
        },
        {
          "name": "flow cytometry",
          "type": "OTHER"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "David M. Brizel, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 8,
      "start_date": "2002-08",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-07-25",
      "last_synced_at": "2026-09-04T11:56:50.160Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00049140"
    }
  ]
}