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Interferon Alpha-2b, Intron A

Last Updated: February 11, 2011
Status: Resolved

Products Affected - Description

Intron A Solution for Injection in Multi-dose Pens, Merck
18 million unit multi-dose pen (NDC 00085-1242-01) - discontinued
30 million unit multi-dose pen (NDC 00085-1235-01) - discontinued
60 million unit multi-dose pen (NDC 00085-1254-01) - discontinued

Reason for the Shortage

  • Intron A multi-dose pens were recalled in late, 2009 due to stability issues. They were discontinued in late-2010.
  • The Pegintron pens are not affected and are available.

Estimated Resupply Dates

Merck has available all powder for injection presentations including 10 million unit (NDC 00085-0571-02), 18 million unit (NDC 00085-1110-01) and 50 million unit (NDC 00085-0539-01) vials. Intron A solution for injection in multi-dose vials are also readily available in 18 million unit (NDC 00085-1168-01) and 25 million unit (NDC 00085-1133-01) presentations.

Related Shortages


February 11, 2011; October 27, 2010; September 22, 2010, University of Utah, Drug Information Service. Copyright 2011, Drug Information Service, University of Utah, Salt Lake City, UT.