Af­ter a long, painful re­vamp, Mer­ck KGaA scores key OK for once-de­funct MS drug cladrib­ine

Mer­ck KGaA’s fail­ure with its MS drug cladrib­ine six years ago trig­gered a long and painful re­vamp in its R&D group, earn­ing the Ger­man phar­ma com­pa­ny a rep for fail­ure that stained every­thing they did. Its come­back to­day with a Eu­ro­pean ap­proval may al­so serve as no­tice that the turn­around that was long promised has ac­tu­al­ly be­gun.

Mer­ck KGaA nev­er quite ful­ly let go of the cladrib­ine pro­gram, af­ter its re­searchers man­aged to come up with one of the worst late-stage de­vel­op­ment plans in the field. Its sin­gle Phase III raised safe­ty ques­tions on can­cer that took years to ad­dress. But re­searchers fi­nal­ly came up with new da­ta and re­sults that won over reg­u­la­tors at the EMA, who were quick to turn thumbs down on the first at­tempt.

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