Article
Does Trypsin Oral Spray (Viruprotect®/ColdZyme®) Protect against COVID-19 and Common Colds or Induce Mutation? Caveats in Medical Device Regulations in the European Union.
International journal of environmental research and public health - 11 May 2021
Huijghebaert Suzy, Vanham Guido, Van Winckel Myriam, Allegaert Karel
Abstract excerpt
BACKGROUND: nasal or oral sprays are often marketed as medical devices (MDs) in the European Union to prevent common cold (CC), with ColdZyme®/Viruprotect® (trypsin/glycerol) mouth spray claiming to prevent colds and the COVID-19 virus from infecting host cells and to shorten/reduce CC symptoms as an example. We analyzed the published (pre)-clinical evidence. METHODS: preclinical: comparison of in vitro tests...
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