A Study to Evaluate Efficacy, Safety, and PK of XEMBIFY®+Standard Medical Treatment (SMT) Compared to Placebo+SMT to Prevent Infections in Participants With HGG and Recurrent or Severe Infections Associated With B-cell Chronic Lymphocytic Leukemia, Multiple Myeloma, and Non-Hodgkin Lymphoma

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GC2202 Study Site 301, Budapest

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GC2202 Study Site 308, Budapest

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GC2202 Study Site 209, Sofia

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GC2202 Study Site 201, Sofia

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GC2202 Study Site 206, Sofia

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GC2202 Study Site 207, Sofia

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GC2202 Study Site 211, Sofia

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GC2202 Study Site 212, Sofia

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GC2202 Study Site 213, Sofia

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GC2202 Study Site 204, Sofia

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GC2202 Study Site 208, Sofia

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GC2202 Study Site 304, Eger

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GC2202 Study Site 203, Plovdiv

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GC2202 Study Site 210, Plovdiv

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GC2202 Study Site 306, Debrecen

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GC2202 Study Site 214, Stara Zagora

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GC2202 Study Site 307, Szeged

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GC2202 Study Site 205, Rousse

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GC2202 Study Site 303, Szekszárd

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GC2202 Study Site 202, Burgas

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GC2202 Study Site 305, Székesfehérvár

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GC2202 Study Site 302, Győr

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GC2202 Study Site 602, Belgrade

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GC2202 Study Site 604, Belgrade

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GC2202 Study Site 605, Belgrade

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GC2202 Study Site 607, Belgrade

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GC2202 Study Site 606, Niš

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GC2202 Study Site 501, Bucharest

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GC2202 Study Site 603, Kamenitz

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GC2202 Decentralized Study Site 114, Morrisville

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GC2202 Study Site 109, Greenville

WITHDRAWN

GC2202 Study Site 110, Rockville

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GC2202 Study Site 504, Bucharest

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GC2202 Study Site 103, St. Petersburg

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GC2202 Study Site 601, Kragujevac

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GC2202 Study Site 105, Canton

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GC2202 Study Site 701, Sarajevo

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GC2202 Study Site 703, Mostar

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GC2202 Study Site 502, Timișoara

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GC2202 Study Site 506, Cluj-Napoca

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GC2202 Study Site 503, Brasov

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GC2202 Study Site 510, Iași

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GC2202 Study Site 702, Banja Luka

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GC2202 Study Site 507, Constanța

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GC2202 Study Site 402, Torun

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GC2202 Study Site 407, Torun

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GC2202 Study Site 401, Krakow

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GC2202 Study Site 401, Krakow

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GC2202 Study Site 403, Legnica

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GC2202 Study Site 406, Wałbrzych

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GC2202 Study Site 406, Wałbrzych

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GC2202 Study Site 405, Słupsk

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GC2202 Study Site 408, Bydgoszcz

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GC2202 Study Site 410, Krakow

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GC2202 Study Site 409, Olsztyn

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GC2202 Study Site 509, Bucharest

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GC2202 Study Site 508, Bucharest