Nuvo Research announced the FDA has approved Mallinckrodt’s Pennsaid (diclofenac sodium) topical solution 2% w/w.

Pennsaid 2% is a topical nonsteroidal anti-inflammatory drug (NSAID) indicated for the treatment of osteoarthritis pain of the knee.

RELATED: Musculoskeletal Disorders Resource Center

Diclofenac inhibits the enzyme, cyclooxygenase (COX), an early component of the arachidonic acid cascade, resulting in the reduced formation of prostaglandins, thromboxanes and prostacylin.


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Pennsaid 2% is a follow-on to the original Pennsaid 1.5% w/w that has been available since 2010.   The new 2% topical solution is more viscous than original Pennsaid 1.5%.

Pennsaid 2% topical solution is supplied in a metered dose pump bottle. Mallinckrodt plans to launch Pennsaid 2% in the first quarter of 2014.

For more information, call (888) 744-1414 or visit Pennsaid.com.