Allston, we have a problem

Efforts by Genzyme Corp. to move past the manufacturing problems at its Allston, Mass. facility hit another stumbling block last week as FDA issued a warning letter about foreign particle contamination in five of Genzyme's marketed drugs.

In the notice to healthcare professionals, the agency said it was alerted to the particles, which are believed to be in less than 1% of products, through product quality reports submitted by Genzyme in May...