{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Transmission%2C+Patient+Professional",
    "query": {
      "condition": "Transmission, Patient Professional"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 4,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T08:11:55.925Z",
  "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": "NCT04353531",
      "title": "Investigate the Aerosol Particle Distribution During Aerosol Generating Procedures",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Transmission, Patient Professional",
        "High-flow Nasal Cannula"
      ],
      "interventions": [
        {
          "name": "High-flow nasal cannula",
          "type": "DEVICE"
        },
        {
          "name": "Surgical mask",
          "type": "DEVICE"
        },
        {
          "name": "bronchoscopy examination",
          "type": "PROCEDURE"
        },
        {
          "name": "intubation",
          "type": "PROCEDURE"
        },
        {
          "name": "tracheostomy",
          "type": "PROCEDURE"
        },
        {
          "name": "nebulization",
          "type": "DEVICE"
        },
        {
          "name": "Pulmonary function test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Rush University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2020-05-20",
      "completion_date": "2020-08-30",
      "has_results": false,
      "last_update_posted_date": "2021-04-23",
      "last_synced_at": "2026-05-22T08:11:55.925Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04353531"
    },
    {
      "nct_id": "NCT04654754",
      "title": "Aerosol Particle Concentrations Among Different Oxygen Devices for Spontaneous Breathing Patients With Tracheostomy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Transmission, Patient-Professional"
      ],
      "interventions": [
        {
          "name": "high-flow high humidity oxygen device with tracheostomy adapter",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Jie Li",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 12,
      "start_date": "2020-12-23",
      "completion_date": "2021-07-16",
      "has_results": true,
      "last_update_posted_date": "2022-12-21",
      "last_synced_at": "2026-05-22T08:11:55.925Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04654754"
    },
    {
      "nct_id": "NCT04526925",
      "title": "The Effects of Filter During CPET on WOB and Aerosol Particle Concentrations",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Transmission, Patient-Professional"
      ],
      "interventions": [
        {
          "name": "Respiratory filter in-line placed with the standard mouthpiece",
          "type": "DEVICE"
        },
        {
          "name": "Standard mouthpiece",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Rush University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 10,
      "start_date": "2020-08-29",
      "completion_date": "2020-09-18",
      "has_results": true,
      "last_update_posted_date": "2023-04-26",
      "last_synced_at": "2026-05-22T08:11:55.925Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04526925"
    },
    {
      "nct_id": "NCT04681599",
      "title": "Different Modalities in Reducing Airborne Particulate Concentrations During AGP for Health Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Transmission, Patient-Professional"
      ],
      "interventions": [
        {
          "name": "Filter",
          "type": "DEVICE"
        },
        {
          "name": "Scavenger face tent",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Rush University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 18,
      "start_date": "2021-01-24",
      "completion_date": "2021-04-13",
      "has_results": false,
      "last_update_posted_date": "2021-04-22",
      "last_synced_at": "2026-05-22T08:11:55.925Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04681599"
    }
  ]
}