A Randomized, Multi-Center, Parallel, Double-Blinded, Placebo-Controlled Clinical Trial to Evaluate Efficacy, Safety, and Pharmacokinetics of XEMBIFY® Plus Standard Medical Treatment Compared to Placebo Plus Standard Medical Treatment to Prevent Infections in Patients With Hypogammaglobulinemia and Recurrent or Severe Infections Associated With B-cell Chronic Lymphocytic Leukemia, Multiple Myeloma, and Non-Hodgkin Lymphoma

Inclusion Criteria: * Participants ≥18 years of age at screening visit * Participants with documented and confirmed diagnosis of any of the below diseases: * B-cell CLL according to International Workshop on CLL (iwCLL) criteria and RAI staging of intermediate (1 and 2) or high (3 and 4) * MM according to the International Myeloma Working Group criteria (IMWG), R-ISS stage II or, III; or * Histologically confirmed diagnosis of B-Cell NHL, Stage III or above (IV, Progressive/refractory, or recurrent/relapsed stage) according to the Lugano Classification. * Participants with HGG with IgG…