{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=N-95+Respirator",
    "query": {
      "intervention": "N-95 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=N-95+Respirator&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-19T22:02:57.494Z",
  "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": "NCT06570161",
      "title": "Assessment of Fit of Novel N95 Style Transparent Face Masks",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Respiratory Disease",
        "Infection, Coronavirus",
        "Respiratory Tract Infections"
      ],
      "interventions": [
        {
          "name": "SEEUS95 Transparent mask",
          "type": "DEVICE"
        },
        {
          "name": "CrystalGuard Mask",
          "type": "DEVICE"
        },
        {
          "name": "N95 face mask",
          "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": 0,
      "start_date": "2024-10-01",
      "completion_date": "2025-05-30",
      "has_results": false,
      "last_update_posted_date": "2025-07-28",
      "last_synced_at": "2026-09-19T22:02:57.494Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06570161"
    },
    {
      "nct_id": "NCT05148793",
      "title": "N95 Reuse During COVID-19",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Emergency Medicine",
        "Frontline Providers",
        "Healthcare Worker"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 412,
      "start_date": "2021-04-01",
      "completion_date": "2022-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-02-16",
      "last_synced_at": "2026-09-19T22:02:57.494Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05148793"
    },
    {
      "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": "2026-09-19T22:02:57.494Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05195229"
    },
    {
      "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": "2026-09-19T22:02:57.494Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04416919"
    },
    {
      "nct_id": "NCT02487147",
      "title": "Evaluation of Free Air Portable Air Powered Respirator",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Free Air Portable Air Powered Respirator",
          "type": "OTHER"
        },
        {
          "name": "N95 Respirator",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "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": 58,
      "start_date": "2016-11-14",
      "completion_date": "2016-12-12",
      "has_results": false,
      "last_update_posted_date": "2022-03-04",
      "last_synced_at": "2026-09-19T22:02:57.494Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02487147"
    },
    {
      "nct_id": "NCT04826809",
      "title": "New Reusable Mask Design With Superior Filtration and Fit",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Covid19",
        "Tuberculosis",
        "Respiratory Viral Infection"
      ],
      "interventions": [
        {
          "name": "N95 mask",
          "type": "DEVICE"
        },
        {
          "name": "Nordell single E-100 layer mask",
          "type": "DEVICE"
        },
        {
          "name": "Nordell double E-100 layer mask",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 41,
      "start_date": "2021-04-09",
      "completion_date": "2022-10-27",
      "has_results": true,
      "last_update_posted_date": "2023-07-07",
      "last_synced_at": "2026-09-19T22:02:57.494Z",
      "location_count": 1,
      "location_summary": "Mankato, Minnesota",
      "locations": [
        {
          "city": "Mankato",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04826809"
    },
    {
      "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": "2026-09-19T22:02:57.494Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04854694"
    },
    {
      "nct_id": "NCT04733677",
      "title": "User Experience of the OSR M-1",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Covid19"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 21,
      "start_date": "2021-03-19",
      "completion_date": "2022-11-15",
      "has_results": false,
      "last_update_posted_date": "2023-03-30",
      "last_synced_at": "2026-09-19T22:02:57.494Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04733677"
    },
    {
      "nct_id": "NCT05388201",
      "title": "Variation In Facial Morphology As A Determinant Of Face Covering Performance: FACEFIT",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "N95",
          "type": "OTHER"
        },
        {
          "name": "KN95",
          "type": "OTHER"
        },
        {
          "name": "KF94",
          "type": "OTHER"
        },
        {
          "name": "Surgical",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 100,
      "start_date": "2022-06-01",
      "completion_date": "2023-08-30",
      "has_results": false,
      "last_update_posted_date": "2024-02-29",
      "last_synced_at": "2026-09-19T22:02:57.494Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05388201"
    },
    {
      "nct_id": "NCT03888898",
      "title": "Just-in-time Elastomeric Training and Fit Testing (JET FIT)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Infection"
      ],
      "interventions": [
        {
          "name": "Reusable respirator fit test and competency evaluation",
          "type": "OTHER"
        },
        {
          "name": "Control fit test evaluation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Centers for Disease Control and Prevention",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2019-04-02",
      "completion_date": "2021-02-01",
      "has_results": false,
      "last_update_posted_date": "2023-05-19",
      "last_synced_at": "2026-09-19T22:02:57.494Z",
      "location_count": 3,
      "location_summary": "Atlanta, Georgia • Detroit, Michigan • Houston, Texas",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03888898"
    }
  ]
}