The decision of the vaccine arm of French drug giant Sanofi was based on an independent interim analysis of a pivotal Phase III study enroling up to 16,500 people at risk of Clostridium difficile infection (CDI) for vaccination with the jab that has FDA Fast Track designation.
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OPIS Accelerated approval for orphan drugs and the possibility to have market authorisation
after a successful Phase II trial have made research in rare diseases more attractive to sponsors.
However, challenges and uncertainties remain numerous and designing scientifi cally robust,
patient-centered trials requires proper conceptualisation.
Shire has received FDA Orphan Drug Status for its anti-MAdCAM Antibody SHP647 to treat pediatric ulverative colitis.