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Par Steps In With Chantix Rival After Pfizer Recall

Endo Unit’s Launch Of US Varenicline Tablets Comes After Early Approval

 
• By Dave Wallace

Endo’s Par generics unit has launched the first US generic version of Pfizer’s Chantix (varenicline) tablets, entering the market just after the originator recalled the brand over nitrosamine impurities.

Chantix pack Varenicline
Chantix was recalled ahead of Par’s generic launch • Source: Alamy

Endo’s Par unit has launched the first US generic rival to Pfizer’s (varenicline) tablets, coinciding with current shortages of the product after the originator recalled the brand due to the discovery of nitrosamine impurities.

Confirming that Par has begun shipping varenicline 0.5mg and 1mg tablets – following an early US Food and Drug Administration approval of the product in August (Also see "FDA Looks To Solve Chantix Shortage With Par ANDA Approval" - Generics Bulletin, 17 August, 2021

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