New booster shot shows promise for protecting vulnerable patients against COVID-19
NCT ID NCT05303402
First seen Nov 01, 2025 · Last updated May 23, 2026 · Updated 26 times
Summary
This study tested an extra dose of a new COVID-19 vaccine (PHH-1V) in 241 adults with weakened immune systems, such as those with HIV, kidney disease, or autoimmune disorders. The goal was to see if the booster could improve their protection against the virus and its variants. Researchers measured antibody levels before and after the shot to check immune response and safety.
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Locations
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Ankara University Medical Faculty Hospitals
Ankara, Ankara, 06620, Turkey (Türkiye)
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Hacettepe University Medical Faculty Hospitals
Ankara, Ankara, 06230, Turkey (Türkiye)
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Hospital Clínic de Barcelona
Barcelona, Barcelona, 08036, Spain
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Hospital Germans Trias i Pujol
Badalona, Barcelona, 08916, Spain
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Hospital Josep Trueta
Girona, Girona, 17001, Spain
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Koc University Hospital
Istanbul, Istanbul, 34010, Turkey (Türkiye)
Conditions
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