{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Air+placebo",
    "query": {
      "intervention": "Air placebo"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 112,
    "total_pages": 12,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Air+placebo&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-08T07:01:25.633Z",
  "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": "NCT06841913",
      "title": "Woodsmoke Exposure, Influenza Infection, and Nasal Immunity",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoke Exposure",
        "Influenza"
      ],
      "interventions": [
        {
          "name": "LAIV nasal vaccine is chosen as a model viral infection",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Wood smoke",
          "type": "OTHER"
        },
        {
          "name": "Placebo for LAIV nasal vaccine is chosen as a model viral infection",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo for Wood Smoke (clean Air Exposure)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 112,
      "start_date": "2025-09-26",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-30",
      "last_synced_at": "2026-09-08T07:01:25.633Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06841913"
    },
    {
      "nct_id": "NCT04028960",
      "title": "IN Insulin in Type 1 Diabetes (T1D) Hypoglycemia Unawareness: Safety Only Phase",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Type1diabetes"
      ],
      "interventions": [
        {
          "name": "Regular insulin (Humulin-R), intranasal route",
          "type": "DRUG"
        },
        {
          "name": "SipNose intranasal device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "HealthPartners Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2019-10-23",
      "completion_date": "2020-04-08",
      "has_results": true,
      "last_update_posted_date": "2021-05-18",
      "last_synced_at": "2026-09-08T07:01:25.633Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04028960"
    },
    {
      "nct_id": "NCT04368039",
      "title": "Normobaric Oxygen Therapy for Individuals With First-Episode Psychosis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Psychosis",
        "Schizophrenia",
        "First-episode Psychosis"
      ],
      "interventions": [
        {
          "name": "Normobaric Oxygen",
          "type": "DEVICE"
        },
        {
          "name": "Placebo",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Nicholas Breitborde",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "15 Years to 35 Years"
      },
      "enrollment_count": 20,
      "start_date": "2019-12-04",
      "completion_date": "2026-12-07",
      "has_results": false,
      "last_update_posted_date": "2026-02-25",
      "last_synced_at": "2026-09-08T07:01:25.633Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04368039"
    },
    {
      "nct_id": "NCT06614309",
      "title": "Non-invasive Treatment for Long COVID (Post COVID-19 Condition) Brain Fog",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Long COVID"
      ],
      "interventions": [
        {
          "name": "Acute Placebo Visit",
          "type": "OTHER"
        },
        {
          "name": "Acute Progressive Carbon Dioxide",
          "type": "OTHER"
        },
        {
          "name": "Acute Intermittent Hypoxia",
          "type": "OTHER"
        },
        {
          "name": "Training: Progressive Carbon Dioxide Ramping",
          "type": "OTHER"
        },
        {
          "name": "Training: Intermittent Hypoxic Exposure",
          "type": "OTHER"
        },
        {
          "name": "Training: Placebo Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "2024-09-24",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-09-08T07:01:25.633Z",
      "location_count": 1,
      "location_summary": "Scottsdale, Arizona",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06614309"
    },
    {
      "nct_id": "NCT05589753",
      "title": "Sleep Disordered Breathing With Opioid Use",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Sleep Apnea",
        "Opioid Use",
        "Sleep Disordered Breathing"
      ],
      "interventions": [
        {
          "name": "Hyperoxia",
          "type": "OTHER"
        },
        {
          "name": "Acetazolamide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 150,
      "start_date": "2019-05-02",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-01",
      "last_synced_at": "2026-09-08T07:01:25.633Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05589753"
    },
    {
      "nct_id": "NCT00730041",
      "title": "Palatal Implants in Combination With Continuous Positive Airway Pressure to Treat Obstructive Sleep Apnea",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Obstructive Sleep Apnea (OSA)"
      ],
      "interventions": [
        {
          "name": "Pillar Palatal Implant System",
          "type": "DEVICE"
        },
        {
          "name": "Sham system",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medtronic Xomed, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 51,
      "start_date": "2007-11",
      "completion_date": "2009-03",
      "has_results": true,
      "last_update_posted_date": "2010-01-12",
      "last_synced_at": "2026-09-08T07:01:25.633Z",
      "location_count": 7,
      "location_summary": "Little Rock, Arkansas • Berkeley, California • Denver, Colorado + 4 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        },
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00730041"
    },
    {
      "nct_id": "NCT02098148",
      "title": "Trial of Low-Dose Xenon For The Treatment Of Obsessive-Compulsive Disorder",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Obsessive-Compulsive Disorder"
      ],
      "interventions": [
        {
          "name": "Xenon",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mclean Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 0,
      "start_date": "2013-11",
      "completion_date": "2014-01",
      "has_results": false,
      "last_update_posted_date": "2014-03-27",
      "last_synced_at": "2026-09-08T07:01:25.633Z",
      "location_count": 1,
      "location_summary": "Belmont, Massachusetts",
      "locations": [
        {
          "city": "Belmont",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02098148"
    },
    {
      "nct_id": "NCT01907321",
      "title": "Cough and Swallow Rehab Following Stroke",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Ischemic Stroke"
      ],
      "interventions": [
        {
          "name": "Expiratory muscle strength training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Placebo expiratory training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Measures performed on all subjects",
          "type": "DRUG"
        },
        {
          "name": "Pulmonary function test",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Fluoroscopic swallow study",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "50 Years to 85 Years"
      },
      "enrollment_count": 14,
      "start_date": "2011-01",
      "completion_date": "2015-04",
      "has_results": true,
      "last_update_posted_date": "2017-01-27",
      "last_synced_at": "2026-09-08T07:01:25.633Z",
      "location_count": 2,
      "location_summary": "Gainesville, Florida • Jacksonville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01907321"
    },
    {
      "nct_id": "NCT01257191",
      "title": "A Study to Compare the Effects of Different Sized Particles on Cells in the Nose",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hypersensitivity, Immediate",
        "Atopic Hypersensitivity"
      ],
      "interventions": [
        {
          "name": "Carbon Black",
          "type": "DRUG"
        },
        {
          "name": "Diesel Exhaust Particles",
          "type": "DRUG"
        },
        {
          "name": "Fine Concentrated Ambient Particles",
          "type": "DRUG"
        },
        {
          "name": "Ultrafine Concentrated Ambient Particles",
          "type": "DRUG"
        },
        {
          "name": "Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2010-04",
      "completion_date": "2012-01",
      "has_results": false,
      "last_update_posted_date": "2017-01-11",
      "last_synced_at": "2026-09-08T07:01:25.633Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01257191"
    },
    {
      "nct_id": "NCT05173818",
      "title": "Hyperbaric Oxygen Effects on Persistent Post-concussive Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Persistent Post-concussive Syndrome",
        "Concussion Post Syndrome"
      ],
      "interventions": [
        {
          "name": "Hyperbaric oxygen at 1.5 ATA",
          "type": "DRUG"
        },
        {
          "name": "Sham treatment",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Essentia Health",
      "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": "2022-06-28",
      "completion_date": "2025-08-01",
      "has_results": false,
      "last_update_posted_date": "2025-12-24",
      "last_synced_at": "2026-09-08T07:01:25.633Z",
      "location_count": 1,
      "location_summary": "Fargo, North Dakota",
      "locations": [
        {
          "city": "Fargo",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05173818"
    }
  ]
}