"A novel option is now available for patients with multiple myeloma who have tried at least three other drug therapies ― the first monoclonal antibody for use in this disease, daratumumab (Darzalex, Janssen Pharmaceuticals, Inc), has "...
There is no known specific antidote for VELCADE overdosage. In humans, fatal outcomes following the administration of more than twice the recommended therapeutic dose have been reported, which were associated with the acute onset of symptomatic hypotension (5.2) and thrombocytopenia (5.7). In the event of an overdosage, the patient's vital signs should be monitored and appropriate supportive care given.
Studies in monkeys and dogs showed that intravenous bortezomib doses as low as 2 times the recommended clinical dose on a mg/m²basis were associated with increases in heart rate, decreases in contractility, hypotension, and death. In dog studies, a slight increase in the corrected QT interval was observed at doses resulting in death. In monkeys, doses of 3.0 mg/m² and greater (approximately twice the recommended clinical dose) resulted in hypotension starting at 1 hour post-administration, with progression to death in 12 to 14 hours following drug administration.
VELCADE is contraindicated in patients with hypersensitivity (not including local reactions) to bortezomib, boron, or mannitol. Reactions have included anaphylactic reactions [see ADVERSE REACTIONS].
VELCADE is contraindicated for intrathecal administration. Fatal events have occurred with intrathecal administration of VELCADE.This monograph has been modified to include the generic and brand name in many instances.
Last reviewed on RxList: 10/9/2015
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