Raptiva (efalizumab)-Important Safety Information from Merck Serono on the association of efalizumab with PML
04 November 2008
Please find herewith an important safety communication from Merck Serono on the association of efalizumab (Raptiva) with progressive multifocal leukoencephalopathy (PML)
Raptiva (efalizumab)-Important Safety Information