New COVID booster shows promise in trial
NCT ID NCT06181292
First seen Mar 21, 2026 · Last updated May 16, 2026 · Updated 9 times
Summary
This study tested a new booster vaccine (PHH-1V81) against COVID-19 in 913 adults who had already received mRNA vaccines. The goal was to see if it is safe and boosts the immune system against newer virus variants. Participants received either the new vaccine or an existing one, and researchers compared side effects and antibody levels.
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This is a summary of
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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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CAP Centelles
Centelles, Barcelona, 08540, Spain
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Hospital Clínico Universitario de Valencia
Valencia, Valencia, 46010, Spain
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Hospital Germans Trias i Pujol
Badalona, Barcelona, 08916, Spain
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Hospital HM Delfos
Barcelona, Barcelona, 08023, Spain
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Hospital HM Puerta del Sur
Móstoles, Madrid, 28938, Spain
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Hospital HM Sanchinarro
Madrid, Madrid, 28050, Spain
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Hospital Josep Trueta
Girona, Girona, 17001, Spain
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Hospital Quironsalud Madrid
Madrid, Madrid, 28223, Spain
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Hospital Regional de Málaga
Málaga, Málaga, 29010, Spain
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Hospital Universitario de Cruces
Barakaldo, Vizcaya, 48903, Spain
Conditions
Explore the condition pages connected to this study.