ASH Clinical News March 2015 | Page 34

IMPORTANT SAFETY INFORMATION (CONT’D) Infusion Reactions (cont’d) • For patients with preexisting cardiac or pulmonary conditions, monitor more frequently throughout the infusion and the post-infusion period since they may be at greater risk of experiencing more severe reactions. Hypotension may occur as part of the GAZYVA infusion reaction. Consider withholding antihypertensive treatments for 12 hours prior to and during each GAZYVA infusion, and for the first hour after administration until blood pressure is stable. For patients at increased risk of hypertensive crisis, consider the benefits versus the risks of withholding their antihypertensive medication Tumor Lysis Syndrome (TLS) • Acute renal failure, hyperkalemia, hypocalcemia, hyperuricemia, and/or hyperphosphatemia from TLS can occur within 12-24 hours after the first infusion. Patients with high tumor burden and/or high circulating lymphocyte count (>25 x 109/L) are at greater risk for TLS and should receive appropriate tumor lysis prophylaxis with antihyperuricemics (eg, allopurinol) and hydration beginning 12-24 hours prior to the infusion of GAZYVA. For treatment of TLS, correct electrolyte abnormalities, monitor renal function and fluid balance, and administer supportive care, including dialysis, as indicated Infections • Serious bacterial, fungal, and new or reactivated viral infections can occur during and following GAZYVA therapy. Fatal infections have been reported with GAZYVA. Do not administer GAZYVA to patients with an active infection. Patients with a history of recurring or chronic infections may be at increased risk of infection Neutropenia • GAZYVA, in combination with chlorambucil, caused Grade 3 or 4 neutropenia in 33% of patients. Patients with Grade 3 to 4 neutropenia should be monitored frequently with regular laboratory tests until resolution. Anticipate, evaluate, and treat any symptoms or signs of developing infection • Neutropenia can also be of late onset (occurring more than 28 days after completion of treatment) and/or prolonged (lasting longer than 28 days) • Patients with neutropenia are strongly recommended to receive antimicrobial prophylaxis throughout the treatment period. Antiviral and antifungal prophylaxis should be considered Thrombocytopenia • GAZYVA, in combination with chlorambucil, caused Grade 3 or 4 thrombocytopenia in 10% of patients in the trial. In 4% of patients, GAZYVA caused acute thrombocytopenia occurring within 24 hours after the GAZYVA infusion. Fatal hemorrhagic events during Cycle 1 have also been reported. Monitor all patients frequently for thrombocytopenia and hemorrhagic events, especially during the first cycle. In patients with Grade 3 or 4 thrombocytopenia, monitor platelet counts more frequently until resolution and consider subsequent dose delays of GAZYVA and chlorambucil or dose reductions of chlorambucil. Transfusion of blood products (ie, platelet transfusion) may be necessary. Consider withholding concomitant medications that may increase bleeding risk (eg, platelet inhibitors or anticoagulants), especially during the first cycle Immunization • The safety and efficacy of immunization with live or attenuated viral vaccines during or following GAZYVA therapy has not been studied. Immunization with live virus vaccines is not recommended during treatment and until B-cell recovery Pregnancy: Category C • There are no adequate and well-controlled studies of GAZYVA in pregnant or nursing women. Women of childbearing potential should use effective contraception while receiving GAZYVA and for 12 months following treatment. GAZYVA should be used during pregnancy and/or breastfeeding only if the potential benefit justifies the potential risk to the fetus. Mothers who have been exposed to GAZYVA during pregnancy should discuss the safety and timing of live virus vaccinations for their infants with their child’s healthcare providers Geriatric Use • Of 336 previously untreated CLL patients who received GAZYVA in combination with chlorambucil, 273 patients (81%) were ≥65 years of age and 156 patients (46%) were ≥75 years of age. Of the 156 patients ≥75 years of age, 72 (46%) experienced serious adverse events and 11 (7%) experienced adverse events leading to death. For 180 patients <75 years of age, 59 (33%) experienced a serious adverse event and 4 (2%) experienced an adverse event leading to death Additional Important Safety Information • Grade 3/4 adverse reactions were: neutropenia (33%), infusion reactions (20%), thrombocytopenia (10%), anemia (4%), leukopenia (4%), diarrhea (2%), urinary tract infection (1%), pyrexia (<1%), and nasopharyngitis (<1%) • The most common adverse reactions (incidence ≥10%) were: infusion reactions (66%), neutropenia (38%), thrombocytopenia (14%), nausea (12%), anemia (11%), pyrexia (10%), cough (10%), and diarrhea (10%) You are encouraged to report side effects to Genentech and the FDA. You may contact Genentech by calling 1-888-835-2555. You may contact the FDA by visiting www.fda.gov/medwatch, or calling 1-800-FDA-1088. Please see the following pages for the brief summary of full Prescribing Information, including Boxed WARNINGS. References: 1. GAZYVA full Prescribing Information. South San Francisco, CA: Genentech USA, Inc.; December 2014. 2. Data on file. Genentech, Inc. Visit GAZYVA.com for more information © 2015 Genentech USA, Inc. All rights reserved. GAZ/012915/0017 Printed in USA. March 2015