{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Inhaled+Nitrogen&page=2",
    "query": {
      "intervention": "Inhaled Nitrogen",
      "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?intervention=Inhaled+Nitrogen&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T11:21:15.297Z",
  "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": "NCT02860975",
      "title": "Prolonged Hypoxic Breathing in Healthy Volunteers: a Safety Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Inhaled Nitrogen",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "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": 5,
      "start_date": "2017-01",
      "completion_date": "2019-04-05",
      "has_results": true,
      "last_update_posted_date": "2026-04-27",
      "last_synced_at": "2026-09-25T11:21:15.297Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02860975"
    },
    {
      "nct_id": "NCT01954901",
      "title": "Hyperbaric Oxygen for Wagner II Diabetic Lower Extremity Ulcers",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Wagner Grade 2 Lower Extremity Ulcers"
      ],
      "interventions": [
        {
          "name": "Hyperbaric oxygen therapy",
          "type": "DEVICE"
        },
        {
          "name": "Hyperbaric room air",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "David Grant U.S. Air Force Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2013-10",
      "completion_date": "2015-08",
      "has_results": false,
      "last_update_posted_date": "2020-04-17",
      "last_synced_at": "2026-09-25T11:21:15.297Z",
      "location_count": 1,
      "location_summary": "Travis Air Force Base, California",
      "locations": [
        {
          "city": "Travis Air Force Base",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01954901"
    },
    {
      "nct_id": "NCT00000259",
      "title": "Sevoflurane vs Nitrous Oxide Inhalation at Subanesthetic Concentrations - 11",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid-Related Disorders",
        "Substance-Related Disorders"
      ],
      "interventions": [
        {
          "name": "15 % Nitrous oxide",
          "type": "DRUG"
        },
        {
          "name": "0.3 % Sevoflurane",
          "type": "DRUG"
        },
        {
          "name": "30% Nitrous oxide",
          "type": "DRUG"
        },
        {
          "name": "0.6% Sevoflurane",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "21 Years to 39 Years"
      },
      "enrollment_count": 12,
      "start_date": "1996-08",
      "completion_date": "1997-11",
      "has_results": false,
      "last_update_posted_date": "2015-05-28",
      "last_synced_at": "2026-09-25T11:21:15.297Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000259"
    },
    {
      "nct_id": "NCT03736538",
      "title": "Nitrous Oxide- Suicidal Ideation",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Major Depressive Disorder",
        "Depression",
        "Mood Disorders",
        "Suicidal Ideation"
      ],
      "interventions": [
        {
          "name": "Nitrous Oxide",
          "type": "DRUG"
        },
        {
          "name": "Placebo gas",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "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": 50,
      "start_date": "2018-10-30",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2025-12-22",
      "last_synced_at": "2026-09-25T11:21:15.297Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03736538"
    },
    {
      "nct_id": "NCT04388683",
      "title": "Inhaled Nitric Oxide for Preventing Progression in COVID-19",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Nitric Oxide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Tufts Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 10,
      "start_date": "2020-05-12",
      "completion_date": "2020-11-23",
      "has_results": true,
      "last_update_posted_date": "2022-04-19",
      "last_synced_at": "2026-09-25T11:21:15.297Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04388683"
    },
    {
      "nct_id": "NCT00001716",
      "title": "Effects of Nitric Oxide and Nitroglycerin in Patients With Sickle Cell Anemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chest Pain",
        "Sickle Cell Anemia"
      ],
      "interventions": [
        {
          "name": "Nitric Oxide",
          "type": "DRUG"
        },
        {
          "name": "Nitroglycerin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institutes of Health Clinical Center (CC)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 58,
      "start_date": "1998-07",
      "completion_date": "2003-07",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-09-25T11:21:15.297Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001716"
    },
    {
      "nct_id": "NCT03497117",
      "title": "19F MRI of Ventilation in Subjects With Cystic Fibrosis Undergoing Treatment for Pulmonary Exacerbation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Cystic Fibrosis"
      ],
      "interventions": [
        {
          "name": "Lung Clearance Index",
          "type": "DEVICE"
        },
        {
          "name": "MRI with PFP",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 5,
      "start_date": "2015-08-25",
      "completion_date": "2019-09-13",
      "has_results": false,
      "last_update_posted_date": "2020-10-09",
      "last_synced_at": "2026-09-25T11:21:15.297Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03497117"
    },
    {
      "nct_id": "NCT01042704",
      "title": "Bendamustine in Combination With Lenalidomide and Dexamethasone in Refractory or Relapsed Multiple Myeloma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Myeloma"
      ],
      "interventions": [
        {
          "name": "Bendamustine",
          "type": "DRUG"
        },
        {
          "name": "Lenalidomide",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Aspirin",
          "type": "DRUG"
        },
        {
          "name": "Prophylaxis",
          "type": "DRUG"
        },
        {
          "name": "Antibiotic",
          "type": "DRUG"
        },
        {
          "name": "Biweekly Follow Up",
          "type": "OTHER"
        },
        {
          "name": "Cyclical Follow Up",
          "type": "OTHER"
        },
        {
          "name": "Restaging",
          "type": "OTHER"
        },
        {
          "name": "Post-Treatment Follow Up",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Robert Redner, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 29,
      "start_date": "2008-02",
      "completion_date": "2015-03",
      "has_results": false,
      "last_update_posted_date": "2017-07-31",
      "last_synced_at": "2026-09-25T11:21:15.297Z",
      "location_count": 22,
      "location_summary": "Detroit, Michigan • Steubenville, Ohio • Beaver, Pennsylvania + 13 more",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Steubenville",
          "state": "Ohio"
        },
        {
          "city": "Beaver",
          "state": "Pennsylvania"
        },
        {
          "city": "Clairton",
          "state": "Pennsylvania"
        },
        {
          "city": "Greensburg",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01042704"
    },
    {
      "nct_id": "NCT03602781",
      "title": "Study of PAH Subjects With LTOT Use That Have Demonstrated Improved Exercise Tolerance With the Use of Inhaled Nitric",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pulmonary Arterial Hypertension"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "iNO",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bellerophon Pulse Technologies",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2018-08",
      "completion_date": "2020-06",
      "has_results": false,
      "last_update_posted_date": "2023-02-21",
      "last_synced_at": "2026-09-25T11:21:15.297Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Charleston, South Carolina",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03602781"
    },
    {
      "nct_id": "NCT02734953",
      "title": "Effect of iNO on Invasively Derived Pulmonary Pressures in Patients With PAH",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pulmonary Arterial Hypertension"
      ],
      "interventions": [
        {
          "name": "Nitric Oxide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Allegheny Singer Research Institute (also known as Allegheny Health Network Research Institute)",
      "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": "2016-04",
      "completion_date": "2016-12",
      "has_results": true,
      "last_update_posted_date": "2018-09-24",
      "last_synced_at": "2026-09-25T11:21:15.297Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02734953"
    }
  ]
}