Up­dat­ed: Pfiz­er drops half of par­tic­i­pants from Ly­me tri­al af­ter say­ing re­search con­trac­tor broke rules

Pfiz­er is re­mov­ing about sev­er­al thou­sand US par­tic­i­pants from a Phase III Ly­me dis­ease tri­al be­cause a con­trac­tor run­ning some clin­i­cal sites vi­o­lat­ed qual­i­ty stan­dards …

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