Partners Regeneron Pharmaceuticals Inc. and Teva Pharmaceutical Industries Ltd. slightly trail rivals Pfizer Inc. and Eli Lilly & Co. in reporting the first positive Phase III data on a potential new class of drugs for pain – nerve growth factor (NGF) inhibitors – revealing on Aug. 16 that their ant-NGF candidate fasinumab significantly reduced pain compared to placebo. But as with Pfizer/Lilly's tanezumab, fasinumab's safety will remain a big focus as additional trials read out.
Fasinumab's efficacy data, while significant, appears modest versus placebo, which could present more challenges when it comes to commercializing a...







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