Could a simple blood test unlock the mystery of your recurring infections?
NCT ID NCT05664035
First seen May 20, 2026 · Last updated May 24, 2026 · Updated 1 time
Summary
This study looks for a specific immune problem called SPAD in adults aged 18-65 who have had unexplained, frequent, or severe bacterial respiratory infections for at least two years. Participants will receive a special vaccine to test their immune response. The goal is to better diagnose this condition and see if treatments like antibiotics or immunoglobulin therapy can reduce infections and improve quality of life.
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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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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Lille University Hospital
RECRUITINGLille, 59037, France
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Conditions
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