Select the mechanism of action of omalizumab (Xolair).
A. Omalizumab binds up the IgE antibody and increases the circulating levels of IgE, which reduces the severity and frequency of asthmatic attacks.
B. Omalizumab binds up the IgE antibody and decreases the circulating levels of IgE, which reduces the severity and frequency of asthmatic attacks.
C. Omalizumab destroys the IgE antibody and decreases the circulating levels of IgE, which reduces the severity and frequency of asthmatic attacks.
D. None of these are correct.
Answer: B
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