{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Nitrite&page=3",
    "query": {
      "intervention": "Nitrite",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 72,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Nitrite&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Nitrite&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T18:18:44.264Z",
  "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": "NCT01409122",
      "title": "Safety, Tolerability, and PK Parameters of Sodium Nitrite Inhalation Solution in Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pulmonary Hypertension",
        "Pulmonary Arterial Hypertension"
      ],
      "interventions": [
        {
          "name": "15 mg sodium nitrite inhalation solution",
          "type": "DRUG"
        },
        {
          "name": "90 mg sodium nitrite inhalation solution",
          "type": "DRUG"
        },
        {
          "name": "45 mg sodium nitrite inhalation solution",
          "type": "DRUG"
        },
        {
          "name": "120 mg sodium nitrite inhalation solution",
          "type": "DRUG"
        },
        {
          "name": "25% MTD sodium nitrite inhalation solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Aires Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "56 Years",
        "sex": "ALL",
        "summary": "18 Years to 56 Years"
      },
      "enrollment_count": 42,
      "start_date": "2011-07",
      "completion_date": "2012-01",
      "has_results": false,
      "last_update_posted_date": "2012-11-09",
      "last_synced_at": "2026-10-22T18:18:44.264Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01409122"
    },
    {
      "nct_id": "NCT03371966",
      "title": "Nitrate and Exercise Performance in Middle to Older Aged Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Aging"
      ],
      "interventions": [
        {
          "name": "High Nitrate Beetroot Juice",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Low Nitrate Beetroot Juice",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Wake Forest 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": 29,
      "start_date": "2017-12-13",
      "completion_date": "2019-01-18",
      "has_results": false,
      "last_update_posted_date": "2019-05-06",
      "last_synced_at": "2026-10-22T18:18:44.264Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03371966"
    },
    {
      "nct_id": "NCT03486145",
      "title": "Effect of Nitrate-rich Fruit and Vegetable Supplement on Blood Pressure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "High Blood Pressure",
        "Flow Mediated Dilation"
      ],
      "interventions": [
        {
          "name": "fruit and vegetable juice supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Arizona State 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": 57,
      "start_date": "2015-11-16",
      "completion_date": "2016-03-30",
      "has_results": false,
      "last_update_posted_date": "2018-04-03",
      "last_synced_at": "2026-10-22T18:18:44.264Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03486145"
    },
    {
      "nct_id": "NCT01715883",
      "title": "Sodium Nitrite in Lung Transplant Patients to Minimize the Risk of Pulmonary Graft Dysfunction",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Primary Graft Dysfunction"
      ],
      "interventions": [
        {
          "name": "Sodium Nitrite",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gladwin, Mark, MD",
      "sponsor_class": "INDIV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 3,
      "start_date": "2011-10",
      "completion_date": "2017-05",
      "has_results": true,
      "last_update_posted_date": "2018-08-01",
      "last_synced_at": "2026-10-22T18:18:44.264Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01715883"
    },
    {
      "nct_id": "NCT02176837",
      "title": "Intravenous Nitrite Infusion for Reversal of Cerebral Vasospasm After Subarachnoid Hemorrhage",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Subarachnoid Hemorrhage"
      ],
      "interventions": [
        {
          "name": "Sodium Nitrite",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hope Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2014-06",
      "completion_date": "2017-01-15",
      "has_results": true,
      "last_update_posted_date": "2018-03-30",
      "last_synced_at": "2026-10-22T18:18:44.264Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02176837"
    },
    {
      "nct_id": "NCT03544242",
      "title": "Nitrite Infusion in Islet Cell Transplantation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Diabetes"
      ],
      "interventions": [
        {
          "name": "Control",
          "type": "OTHER"
        },
        {
          "name": "Pre-Isolation Infusion",
          "type": "DRUG"
        },
        {
          "name": "Post-Isolation Infusion",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2017-05-07",
      "completion_date": "2019-06-27",
      "has_results": true,
      "last_update_posted_date": "2020-10-29",
      "last_synced_at": "2026-10-22T18:18:44.264Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03544242"
    },
    {
      "nct_id": "NCT01725256",
      "title": "A Phase 2 Study to Determine the Safety and Efficacy of AIR001 in Subjects With Pulmonary Arterial Hypertension (PAH)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pulmonary Arterial Hypertension"
      ],
      "interventions": [
        {
          "name": "AIR001 (sodium nitrite inhalation solution)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Aires Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 29,
      "start_date": "2012-11",
      "completion_date": "2014-02",
      "has_results": false,
      "last_update_posted_date": "2014-04-09",
      "last_synced_at": "2026-10-22T18:18:44.264Z",
      "location_count": 17,
      "location_summary": "La Jolla, California • Torrance, California • Aurora, Colorado + 12 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01725256"
    },
    {
      "nct_id": "NCT06375694",
      "title": "Probiotic Effect on Dietary Nitrate to Plasma Nitrite Production ( OPEDNPN )",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypertension",
        "Cardiovascular Diseases",
        "Diabetes"
      ],
      "interventions": [
        {
          "name": "Herbiotics Oral + Ent Probiotic",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Wake Forest University",
      "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": 20,
      "start_date": "2024-06-01",
      "completion_date": "2025-05",
      "has_results": false,
      "last_update_posted_date": "2024-07-19",
      "last_synced_at": "2026-10-22T18:18:44.264Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06375694"
    },
    {
      "nct_id": "NCT00027157",
      "title": "Determination of Variances in Exhaled Nitric Oxide Output in Normal Healthy Male Volunteers Consuming High and Low Nitrate/Nitrite Diets",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 18,
      "start_date": "2000-04",
      "completion_date": "2003-04",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-10-22T18:18:44.264Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00027157"
    },
    {
      "nct_id": "NCT01316796",
      "title": "Topical Sodium Nitrite for Chronic Leg Ulcers in Adult Patients With Blood Disorders",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Sickle Cell Anemia",
        "Sickle Cell Disease",
        "Chronic Hemolytic Disorders"
      ],
      "interventions": [
        {
          "name": "Sodium Nitrite Cream",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 28,
      "start_date": "2011-03-15",
      "completion_date": "2018-10-12",
      "has_results": false,
      "last_update_posted_date": "2018-10-22",
      "last_synced_at": "2026-10-22T18:18:44.264Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01316796"
    }
  ]
}