{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Nitrous+Oxide&page=2",
    "query": {
      "intervention": "Nitrous Oxide",
      "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=Nitrous+Oxide&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T17:35:09.611Z",
  "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": "NCT00000254",
      "title": "Isoflurane at Subanesthetic Concentrations - 6",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Opioid-Related Disorders",
        "Substance-Related Disorders"
      ],
      "interventions": [
        {
          "name": "40% Nitrous oxide",
          "type": "DRUG"
        },
        {
          "name": "Sham comparator",
          "type": "OTHER"
        },
        {
          "name": "0.2% isoflurane",
          "type": "DRUG"
        },
        {
          "name": "0.4% isoflurane",
          "type": "DRUG"
        },
        {
          "name": "0.6% isoflurane",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "34 Years",
        "sex": "MALE",
        "summary": "21 Years to 34 Years · Male only"
      },
      "enrollment_count": 10,
      "start_date": "1995-01",
      "completion_date": "1995-09",
      "has_results": false,
      "last_update_posted_date": "2015-05-28",
      "last_synced_at": "2026-09-25T17:35:09.611Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000254"
    },
    {
      "nct_id": "NCT06646731",
      "title": "Cryoneurolysis for Painful Diabetic Neuropathy of the Foot",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Painful Diabetic Peripheral Neuropathy (PDPN)"
      ],
      "interventions": [
        {
          "name": "cryoneurolysis",
          "type": "DEVICE"
        },
        {
          "name": "sham cryoneurolysis",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2025-08-25",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-06",
      "last_synced_at": "2026-09-25T17:35:09.611Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06646731"
    },
    {
      "nct_id": "NCT03375294",
      "title": "Exploring Nitrous Oxide Effects for Post Traumatic Stress Disorder (PTSD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Post Traumatic Stress Disorder"
      ],
      "interventions": [
        {
          "name": "Nitrous Oxide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "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": 3,
      "start_date": "2018-04-01",
      "completion_date": "2020-04-05",
      "has_results": true,
      "last_update_posted_date": "2020-07-24",
      "last_synced_at": "2026-09-25T17:35:09.611Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03375294"
    },
    {
      "nct_id": "NCT02410707",
      "title": "Adjunctive Nitrous Oxide During Emergency Department Propofol Sedation in Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Joint Dislocation",
        "Perianal Abscess",
        "Abscess"
      ],
      "interventions": [
        {
          "name": "Nitrous Oxide arm",
          "type": "DRUG"
        },
        {
          "name": "Propofol",
          "type": "DRUG"
        },
        {
          "name": "Oxygen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Albert Einstein Healthcare Network",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 43,
      "start_date": "2015-02",
      "completion_date": "2018-02",
      "has_results": true,
      "last_update_posted_date": "2020-04-08",
      "last_synced_at": "2026-09-25T17:35:09.611Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02410707"
    },
    {
      "nct_id": "NCT02145169",
      "title": "Inhaled Nitrous Oxide for the Prevention of Emergence Reaction During Ketamine Administration in Adults, a Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Emergence Reaction",
        "Procedural Sedation"
      ],
      "interventions": [
        {
          "name": "Inhaled Nitrous Oxide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Albert Einstein Healthcare Network",
      "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": "2013-10",
      "completion_date": "2016-04",
      "has_results": true,
      "last_update_posted_date": "2020-03-19",
      "last_synced_at": "2026-09-25T17:35:09.611Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02145169"
    },
    {
      "nct_id": "NCT00014040",
      "title": "Nitric Oxide Inhalation Therapy to Relieve Chest Pain in Patients With Coronary Artery Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Coronary Disease",
        "Myocardial Ischemia"
      ],
      "interventions": [
        {
          "name": "Nitric Oxide and INOpulse Delivery System",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 25,
      "start_date": "2001-04",
      "completion_date": "2003-04",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-09-25T17:35:09.611Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00014040"
    },
    {
      "nct_id": "NCT00997126",
      "title": "Propofol Versus Alfentanil Versus Nitrous Oxide for Moderate Procedural Sedation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Sedation"
      ],
      "interventions": [
        {
          "name": "Propofol",
          "type": "DRUG"
        },
        {
          "name": "Alfentanil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hennepin Healthcare Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 126,
      "start_date": "2009-10",
      "completion_date": "2015-04",
      "has_results": true,
      "last_update_posted_date": "2017-01-27",
      "last_synced_at": "2026-09-25T17:35:09.611Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00997126"
    },
    {
      "nct_id": "NCT03283670",
      "title": "Inhaled Nitrous Oxide for Treatment-Resistant Depression: Optimizing Dosing Strategies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Depressive Disorder, Major",
        "Depressive Disorder, Treatment-Resistant"
      ],
      "interventions": [
        {
          "name": "Nitrous Oxide 25%",
          "type": "DRUG"
        },
        {
          "name": "Nitrous Oxide 50%",
          "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": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 24,
      "start_date": "2016-11-22",
      "completion_date": "2020-02-18",
      "has_results": true,
      "last_update_posted_date": "2022-04-04",
      "last_synced_at": "2026-09-25T17:35:09.611Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03283670"
    },
    {
      "nct_id": "NCT02331108",
      "title": "A Comparison of Inhalation vs. Intravenous Induction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypothermia"
      ],
      "interventions": [
        {
          "name": "Selection of anesthetic induction technique",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Albert Einstein Healthcare Network",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 331,
      "start_date": "2014-08",
      "completion_date": "2016-04",
      "has_results": true,
      "last_update_posted_date": "2017-04-17",
      "last_synced_at": "2026-09-25T17:35:09.611Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02331108"
    },
    {
      "nct_id": "NCT06118567",
      "title": "Effect of Nitrous Oxide on Aggression.",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Intermittent Explosive Disorder"
      ],
      "interventions": [
        {
          "name": "Nitrous oxide",
          "type": "DRUG"
        },
        {
          "name": "Room Air",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "21 Years to 55 Years"
      },
      "enrollment_count": 50,
      "start_date": "2022-09-06",
      "completion_date": "2027-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-03-27",
      "last_synced_at": "2026-09-25T17:35:09.611Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06118567"
    }
  ]
}