Pfizer Ends Pact With GlycoMimetics After SCD Failure

Rivipansel’s Sickle Cell Disease Trial Failure Triggered Pfizer’s Move

GlycoMimetics’ commercial and pipeline prospects are in doubt after Pfizer terminated their 2011 sickle cell drug development deal, following a failed late-stage study.  

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GlycoMimetics To Decide Whether Or Not To Continue Rivipansel Program • Source: Shutterstock

Six months after the failure of a Phase III study evaluating rivipansel for the treatment of vaso-occlusive crisis in sickle cell disease (SCD) patients, Pfizer Inc. has told licensor GlycoMimetics Inc. that it will tear up their 2011 agreement to develop the drug.

GlycoMimetics in a filing with the US Securities and Exchange Commission dated 5 February said Pfizer’s decision meant it would...

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