hVIVO
Clinical trials sponsored by hVIVO, explained in plain language.
A clinical research organization specializing in human challenge trials.
Not investment advice. Company information is shown for context only. Clinical trials frequently fail.
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Scientists test flu virus on volunteers to speed up vaccine development
Knowledge-focused CompletedThis completed study tested different doses of an influenza A H3N2 virus in 33 healthy adults aged 18 to 55. The goal was to find a dose that safely causes mild flu symptoms, so this virus strain can be used in future trials to test new vaccines or treatments. Participants were m…
Sponsor: Hvivo • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:23 UTC
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Scientists deliberately infect volunteers with omicron to study COVID-19
Knowledge-focused CompletedThis study involved 36 healthy adults aged 18 to 40 who were given a controlled dose of the Omicron BA.5 virus. The goal was to find a safe dose that causes infection in at least 40% of people, while monitoring side effects. This type of research helps scientists better understan…
Early phase 1 • Sponsor: Hvivo • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:58 UTC