{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=N95+Respirator",
    "query": {
      "intervention": "N95 Respirator"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 19,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=N95+Respirator&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-09T15:30:51.078Z",
  "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": "NCT04416919",
      "title": "Assessment of N-95 Facemask for Use in COVID-19 Pandemic in Case of Shortage of Personal Protective Equipment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Coronavirus Infection",
        "Disease Prevention"
      ],
      "interventions": [
        {
          "name": "Assembled mask",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2020-05-20",
      "completion_date": "2022-01-20",
      "has_results": false,
      "last_update_posted_date": "2024-03-08",
      "last_synced_at": "2026-09-09T15:30:51.078Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04416919"
    },
    {
      "nct_id": "NCT07711145",
      "title": "Reusable, Transparent, and Reconfigurable N95-equivalent Respirator Masks: Design, Fabrication, and Trials for Enhanced Adoption",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Focus is on Healthy Subjects"
      ],
      "interventions": [
        {
          "name": "Reusable, Transparent, and Reconfigurable N95-Equivalent Respirator Masks: Design, Fabrication, and Clinical Trials for Enhanced Adoption",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "SEEUS95 Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 20,
      "start_date": "2025-06-26",
      "completion_date": "2025-08-14",
      "has_results": false,
      "last_update_posted_date": "2026-07-17",
      "last_synced_at": "2026-09-09T15:30:51.078Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07711145"
    },
    {
      "nct_id": "NCT06090370",
      "title": "Reducing Silica Exposure Among Brick Kiln Workers in Nepal",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Silicosis"
      ],
      "interventions": [
        {
          "name": "N95 Respirator",
          "type": "DEVICE"
        },
        {
          "name": "Protective Eyewear",
          "type": "DEVICE"
        },
        {
          "name": "Baseline Survey",
          "type": "OTHER"
        },
        {
          "name": "Design of Workshop",
          "type": "OTHER"
        },
        {
          "name": "Training Workshop Pilot",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 98,
      "start_date": "2024-01-24",
      "completion_date": "2024-06-20",
      "has_results": false,
      "last_update_posted_date": "2024-06-24",
      "last_synced_at": "2026-09-09T15:30:51.078Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • Durham, North Carolina",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06090370"
    },
    {
      "nct_id": "NCT04511390",
      "title": "Transparent Elastomeric Respirator for Aerosol-based Protection",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Personal Protective Equipment"
      ],
      "interventions": [
        {
          "name": "Transparent, reusable respirator",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2020-07-25",
      "completion_date": "2022-02-28",
      "has_results": false,
      "last_update_posted_date": "2021-08-04",
      "last_synced_at": "2026-09-09T15:30:51.078Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts • New York, New York",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04511390"
    },
    {
      "nct_id": "NCT07118189",
      "title": "Laying the Foundation for Building a Resilient KPNC Community in the Face of Worsening Air Quality Due to Wildfire Smoke",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease (COPD)",
        "Exacerbation of COPD",
        "Exacerbation of Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "N95 masks and indoor air cleaner",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Kaiser Permanente",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2025-10-07",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-25",
      "last_synced_at": "2026-09-09T15:30:51.078Z",
      "location_count": 1,
      "location_summary": "Pleasanton, California",
      "locations": [
        {
          "city": "Pleasanton",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07118189"
    },
    {
      "nct_id": "NCT01249625",
      "title": "The Respiratory Protection Effectiveness Clinical Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza",
        "Respiratory Syncytial Viruses",
        "Paramyxoviridae Infections",
        "Coronavirus",
        "Rhinovirus"
      ],
      "interventions": [
        {
          "name": "N95 Respirator",
          "type": "DEVICE"
        },
        {
          "name": "Medical/surgical mask",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 2862,
      "start_date": "2010-12",
      "completion_date": "2018-03",
      "has_results": true,
      "last_update_posted_date": "2019-04-25",
      "last_synced_at": "2026-09-09T15:30:51.078Z",
      "location_count": 7,
      "location_summary": "Aurora, Colorado • Denver, Colorado • Washington D.C., District of Columbia + 3 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01249625"
    },
    {
      "nct_id": "NCT04761679",
      "title": "Nasal Bridge Pressure Injury Prevention",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pressure Ulcer of Skin",
        "Pressure Injury"
      ],
      "interventions": [
        {
          "name": "Applying the Mepilex foam",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 12,
      "start_date": "2021-03-23",
      "completion_date": "2022-01-04",
      "has_results": false,
      "last_update_posted_date": "2022-05-19",
      "last_synced_at": "2026-09-09T15:30:51.078Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04761679"
    },
    {
      "nct_id": "NCT04591756",
      "title": "Effectiveness of Respiratory Protection During Simulated Resuscitation: a Prospective Cohort Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Occupational Exposure"
      ],
      "interventions": [
        {
          "name": "Qualitative Fit Testing",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2020-10-26",
      "completion_date": "2020-11-04",
      "has_results": false,
      "last_update_posted_date": "2020-11-09",
      "last_synced_at": "2026-09-09T15:30:51.078Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04591756"
    },
    {
      "nct_id": "NCT04854694",
      "title": "Product Testing of the FaceView Mask™: Usability Survey",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hearing Disability"
      ],
      "interventions": [
        {
          "name": "FaceView Mask™",
          "type": "DEVICE"
        },
        {
          "name": "conventional surgical N95 respirator",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Arkansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 202,
      "start_date": "2022-11-15",
      "completion_date": "2024-02-29",
      "has_results": true,
      "last_update_posted_date": "2025-04-10",
      "last_synced_at": "2026-09-09T15:30:51.078Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04854694"
    },
    {
      "nct_id": "NCT05195229",
      "title": "Quantifying Viral Load in Respiratory Particles That Are Generated by Children and Adults With COVID-19 Infection",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "COVID-19 Aerosol Collection",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 30,
      "start_date": "2022-01-13",
      "completion_date": "2022-05-01",
      "has_results": false,
      "last_update_posted_date": "2022-02-15",
      "last_synced_at": "2026-09-09T15:30:51.078Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05195229"
    }
  ]
}