INNA-X is developed by the Australian biotech company Ena Respiratory and works by stimulating the innate immune system in the airways, the first line of defense against the invasion of respiratory viruses into the body. This immune priming makes it much more difficult for viruses such as rhinoviruses to take hold, cause serious symptoms and spread.
INNA-X has been also shown to be highly effective at reducing virus shedding of SARS-CoV-2 and human trials of Ena Respiratory's clinical candidate INNA-051 will begin in Australia in the coming weeks.
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The already available generic allergy nasal spray Azelastine (trade names Astepro or Omnivar) appears to protect against Covid-19
