New study aims to boost COVID protection for vulnerable patients
NCT ID NCT05556720
First seen Nov 01, 2025 · Last updated May 23, 2026 · Updated 33 times
Summary
This study tests whether extra COVID-19 vaccine doses can improve protection for people with weakened immune systems, including those with HIV, organ transplants, or blood cancers. About 960 participants will receive different booster schedules to see which works best. The goal is to find safer, more effective vaccine plans for this high-risk group.
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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.
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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Alfred Health
Melbourne, Victoria, 3004, Australia
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Austin Hospital
Heidelberg, Victoria, 3084, Australia
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Monash Medical Centre
Clayton, Victoria, 3168, Australia
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Peter MacCallum Cancer Centre
Melbourne, Victoria, 3000, Australia
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Prince Of Wales Hospital
Randwick, New South Wales, 2031, Australia
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Princess Alexandra Hospital
Woolloongabba, Queensland, 4102, Australia
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Royal Adelaide Hospital
Adelaide, South Australia, 5000, Australia
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Royal Brisbane and Womens Hospital
Herston, Queensland, 4029, Australia
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Royal Melbourne Hospital
Melbourne, Victoria, 3000, Australia
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St Vincents Hospital
Darlinghurst, New South Wales, Australia
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St Vincents Hospital
Fitzroy, Victoria, 3065, Australia
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University Geelong Hospital
Geelong, Victoria, 3220, Australia
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Westmead Hospital
Westmead, New South Wales, 2145, Australia
Conditions
Explore the condition pages connected to this study.