{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+Comparator+-+nitrogen+gas",
    "query": {
      "intervention": "Placebo Comparator - nitrogen gas"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 265,
    "total_pages": 27,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+Comparator+-+nitrogen+gas&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-24T20:56:54.211Z",
  "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": "NCT03260569",
      "title": "Inhaled Nitric Oxide in Brain Injury",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Traumatic Brain Injury"
      ],
      "interventions": [
        {
          "name": "Inhaled Nitric Oxide",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2018-12-12",
      "completion_date": "2023-12-28",
      "has_results": true,
      "last_update_posted_date": "2025-04-30",
      "last_synced_at": "2026-09-24T20:56:54.211Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03260569"
    },
    {
      "nct_id": "NCT00719173",
      "title": "Effect of Aprepitant on Cyclophosphamide Pharmacokinetics in Patients With Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Breast Cancer",
        "Nausea and Vomiting"
      ],
      "interventions": [
        {
          "name": "aprepitant",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 19,
      "start_date": "2005-08",
      "completion_date": "2010-10",
      "has_results": false,
      "last_update_posted_date": "2024-11-04",
      "last_synced_at": "2026-09-24T20:56:54.211Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00719173"
    },
    {
      "nct_id": "NCT02836899",
      "title": "Effect of Nitric Oxide in Cardiac Surgery Patients With Endothelial Dysfunction.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Acute Kidney Injury"
      ],
      "interventions": [
        {
          "name": "Nitric Oxide",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 250,
      "start_date": "2017-02-08",
      "completion_date": "2025-08-15",
      "has_results": true,
      "last_update_posted_date": "2026-03-10",
      "last_synced_at": "2026-09-24T20:56:54.211Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02836899"
    },
    {
      "nct_id": "NCT03515837",
      "title": "Study of Pemetrexed + Platinum Chemotherapy With or Without Pembrolizumab (MK-3475) in Adults With Tyrosine Kinase Inhibitor- (TKI)-Resistant Epidermal Growth Factor Receptor- (EGFR)-Mutated Metastatic Non-squamous Non-small Cell Lung Cancer (NSCLC) (MK-3475-789/KEYNOTE-789)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Non-small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "pemetrexed",
          "type": "DRUG"
        },
        {
          "name": "carboplatin",
          "type": "DRUG"
        },
        {
          "name": "cisplatin",
          "type": "DRUG"
        },
        {
          "name": "saline solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 492,
      "start_date": "2018-06-29",
      "completion_date": "2023-10-02",
      "has_results": true,
      "last_update_posted_date": "2024-11-22",
      "last_synced_at": "2026-09-24T20:56:54.211Z",
      "location_count": 19,
      "location_summary": "Los Angeles, California • Monterey, California • Orange, California + 14 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Monterey",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Santa Rosa",
          "state": "California"
        },
        {
          "city": "Evanston",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03515837"
    },
    {
      "nct_id": "NCT02116530",
      "title": "Antiemetic Therapy With or Without Olanzapine in Preventing Chemotherapy-Induced Nausea and Vomiting in Patients With Cancer Receiving Highly Emetogenic Chemotherapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hematopoietic/Lymphoid Cancer",
        "Nausea and Vomiting",
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "Olanzapine",
          "type": "DRUG"
        },
        {
          "name": "Chemotherapy (cisplatin or cyclophosphamide and doxorubicin)",
          "type": "DRUG"
        },
        {
          "name": "Antiemetic treatment (ondansetron or granisetron or palonosetron; plus dexamethasone; plus fosaprepitant or aprepitant)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 401,
      "start_date": "2014-08-20",
      "completion_date": "2017-06-15",
      "has_results": true,
      "last_update_posted_date": "2025-01-28",
      "last_synced_at": "2026-09-24T20:56:54.211Z",
      "location_count": 177,
      "location_summary": "Anchorage, Alaska • Burbank, California • Dublin, California + 109 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02116530"
    },
    {
      "nct_id": "NCT02949115",
      "title": "Effects of Red Beetroot Juice on High-Fat Meal-Induced Endothelial Dysfunction and Cardiometabolic Disturbances",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Overweight",
        "Obesity",
        "Aging",
        "Menopause"
      ],
      "interventions": [
        {
          "name": "70 mL red beetroot juice",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "70 mL red beetroot juice without nitrate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "70 mL placebo drink plus potassium nitrate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "70 mL placebo drink",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Colorado State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "40 Years to 65 Years"
      },
      "enrollment_count": 15,
      "start_date": "2016-11",
      "completion_date": "2019-06",
      "has_results": false,
      "last_update_posted_date": "2018-11-13",
      "last_synced_at": "2026-09-24T20:56:54.211Z",
      "location_count": 1,
      "location_summary": "Fort Collins, Colorado",
      "locations": [
        {
          "city": "Fort Collins",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02949115"
    },
    {
      "nct_id": "NCT00060450",
      "title": "Inhaled Nitric Oxide in Prevention/Treatment of Ischemia-Reperfusion Lung Injury Related to Lung Transplantation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Ischemia-Reperfusion Injury"
      ],
      "interventions": [
        {
          "name": "nitric oxide for inhalation",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mallinckrodt",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 84,
      "start_date": "2001-08",
      "completion_date": "2006-09",
      "has_results": false,
      "last_update_posted_date": "2016-09-09",
      "last_synced_at": "2026-09-24T20:56:54.211Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00060450"
    },
    {
      "nct_id": "NCT01776840",
      "title": "A Study of the Bruton's Tyrosine Kinase Inhibitor Ibrutinib Given in Combination With Bendamustine and Rituximab in Patients With Newly Diagnosed Mantle Cell Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Mantle Cell Lymphoma"
      ],
      "interventions": [
        {
          "name": "Bendamustine",
          "type": "DRUG"
        },
        {
          "name": "Rituximab",
          "type": "DRUG"
        },
        {
          "name": "Ibrutinib",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 523,
      "start_date": "2013-05-16",
      "completion_date": "2024-06-24",
      "has_results": true,
      "last_update_posted_date": "2025-07-08",
      "last_synced_at": "2026-09-24T20:56:54.211Z",
      "location_count": 44,
      "location_summary": "Tucson, Arizona • Burbank, California • La Jolla, California + 41 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Burbank",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01776840"
    },
    {
      "nct_id": "NCT02222155",
      "title": "Clinical Trial to Evaluate Safety and Efficacy of CCX168 in ANCA-Associated Vasculitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "ANCA-associated Vasculitis"
      ],
      "interventions": [
        {
          "name": "CCX168 10 mg, twice daily, plus cyclophosphamide/rituximab plus glucocorticoids",
          "type": "DRUG"
        },
        {
          "name": "CCX168 30 mg, twice daily, cyclophosphamide/rituximab plus glucocorticoids",
          "type": "DRUG"
        },
        {
          "name": "Placebo, twice daily, plus cyclophosphamide/rituximab plus glucocorticoids",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Amgen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 42,
      "start_date": "2015-02-04",
      "completion_date": "2016-07-19",
      "has_results": true,
      "last_update_posted_date": "2025-03-13",
      "last_synced_at": "2026-09-24T20:56:54.211Z",
      "location_count": 39,
      "location_summary": "Huntsville, Alabama • Phoenix, Arizona • Tucson, Arizona + 36 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02222155"
    },
    {
      "nct_id": "NCT02119650",
      "title": "Ruxolitinib in Combination With Pemetrexed/Cisplatin in Non Small Cell Lung Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "NSCLC (Non-small Cell Lung Carcinoma)"
      ],
      "interventions": [
        {
          "name": "Ruxolitinib",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Pemetrexed",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Incyte Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 76,
      "start_date": "2014-02-11",
      "completion_date": "2016-06-21",
      "has_results": true,
      "last_update_posted_date": "2018-02-13",
      "last_synced_at": "2026-09-24T20:56:54.211Z",
      "location_count": 30,
      "location_summary": "Phoenix, Arizona • Fayetteville, Arkansas • Fresno, California + 27 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02119650"
    }
  ]
}