SARS-Cov-2 (COVID-19) Nasal Pharyngeal and Oral Pharyngeal Wash (SNOW) Trial
Public ClinicalTrials.gov record NCT04802408. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
Adults (aged 18-65 years) recently diagnosed with SARS-CoV-2 infection who use a 4-day combined intervention of nasal washes with 1% baby shampoo solution and oral gargles with Listerine Antiseptic® will have a reduced SARS-CoV-2 viral load compared to those using nasal and oral washes with normal saline. This combined intervention should be acceptable, tolerable and safe in this population. To test this, investigators are conducting a trial comparing the efficacy of a number of washes in reducing the oral and nasal SARS-CoV-2 viral load among adults.
Study identification
- NCT ID
- NCT04802408
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Phase 2, Phase 3
- Enrollment
- 171 participants
Conditions and interventions
Conditions
Interventions
- Shampoo and saline Combination Product
- Saline and Listerine Combination Product
- Shampoo and Listerine Combination Product
- Saline and Saline Combination Product
Combination Product
Eligibility (public fields only)
- Age range
- 18 Years to 65 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Sep 30, 2021
- Primary completion
- May 29, 2026
- Completion
- May 29, 2026
- Last update posted
- Oct 27, 2025
2021 – 2026
United States locations
- U.S. sites
- 2
- U.S. states
- 1
- U.S. cities
- 2
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Penn State Health Milton S. Hershey Medical Center | Hershey | Pennsylvania | 17033 | — |
| Penn State | State College | Pennsylvania | 16801 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04802408, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Oct 27, 2025 · Synced Sep 5, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04802408 live on ClinicalTrials.gov.