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Search / Trial NCT05049213

Effect of Local Treatment(Carrageenan Nasal Spray and PVP-I Mouthwash) in Reducing Viral Load in Patients With COVID-19

Launched by NATIONAL TAIWAN UNIVERSITY HOSPITAL · Sep 16, 2021

Trial Information

Current as of July 21, 2025

Completed

Keywords

Covid 19 Anti Septic Carrageenan Nasal Spray Povidone Iodine(pvp I) Gargle Mouthwash

ClinConnect Summary

Oral and nasal disinfection, a simple method with the application of commonly used antiseptic agents is frequently performed in the otolaryngology and dental practice. The ability to deactivate viral particles with a good safety profile may be an important benefit in the control of viral proliferation and shedding. Actually, multiple anti-septic agents demonstrated virucidal properties against SARS-CoV-2 in several in vitro studies. Among these, Povidone-Iodine (PVP-I), common usage in otolaryngology operation and topical therapy, showed high virucidal properties (0.45% PVP-I, throat spray,...

Gender

ALL

Eligibility criteria

  • Inclusion Criteria:
  • 1. age older than 20 years of age
  • 2. admission with a confirmed positive test for SARS-CoV-2 infection by reverse transcription polymerase chain reaction (RT- PCR)
  • 3. disease onset (start of COVID-19 symptom and PCR test) for ≤ 120 hours
  • 4. available informed consent of this study.
  • 5. Full COVID-19 vaccination(at least after 2nd dose of TFDA-approved vaccine 14 days)
  • Exclusion Criteria:
  • 1. receiving oxygen supply before intervention
  • 2. known intolerance/allergy to the study drugs
  • 3. pregnancy
  • 4. sinus/oral operation within 30 days of the beginning of the study
  • 5. using intranasal medication before randomization
  • 6. no available informed consent
  • 7. inability to self-care or reply to questionnaire

About National Taiwan University Hospital

National Taiwan University Hospital (NTUH) is a leading medical institution renowned for its commitment to advancing healthcare through innovative research and clinical trials. As a pioneer in medical education and patient care in Taiwan, NTUH integrates cutting-edge technology with comprehensive clinical expertise to facilitate groundbreaking studies across various medical fields. The hospital’s dedicated research team collaborates with local and international partners to enhance the understanding of diseases and improve treatment outcomes. By prioritizing patient safety and ethical standards, NTUH strives to contribute to the global medical community and foster advancements in healthcare practices.

Locations

Taipei, , Taiwan

Patients applied

0 patients applied

Trial Officials

Te-Huei Yeh, MD-PhD

Principal Investigator

National Taiwan University Hospital, Department of Otolaryngology

Timeline

First submit

Trial launched

Trial updated

Estimated completion

Not reported

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