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NCT04199403
Spleen could have been surgically removed for trauma, cancer, auto-immune disease, or to perform a diagnosis. Spleen could be non-functional due to radiotherapy or splenic artery embolism. These patients are at risks of infectious diseases due to encapsulated bacteria, cancer, and thromboembolism disease. The purpose of this study is to assess complications occurring in French patients without spleen and to implement new diagnostic tools for follow-up.
NCT01846923
The purpose of this study is to determine whether one dose of the 13-valent pneumococcal conjugate vaccine (PCV13) induces immunological memory in asplenic adults and whether previously administered immunizations with the 23-valent polysaccharide pneumococcal vaccine influence the cellular immune response to PCV13 in this group.