FDA requests more data for Baxter, Halozyme biotech treatment

DEERFIELD, Ill. — The Food and Drug Administration is requesting additional data from two drug makers for a treatment for immune system disorders.

Baxter and Halozyme said the FDA wanted more data to review their application for HyQ, a combination of immune globulin and recombinant human hyaluronidase.

The companies said they would work to develop studies to provide additional data to address the agency's concerns.

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