Denileukin Diftitox Injection

[25 March 2015]

Products Affected - Description

Ontak injection, 150 mcg/mL, Eisai
2 mL vial (NDC 62856-0603-01)

Reason for the Shortage

  • Eisai is working to resolve a manufacturing problem.1 
  • Eisai is the sole manufacturer of denileukin diftitox.

Available Products

No presentations are available.

Estimated Resupply Dates

Eisai has Ontak on back order and the company cannot estimate a release date.1

Implications for Patient Care


Related Shortages


March 18 and 25, 2015; December 17, September 16, June 3, March 5, 2014; December 17, September 30, July 25, April 17, January 7, 2013; October 10, August 8, June 5, March 22, January 13, 2012; December 9, November 4, September 16, August 12, July 12, and June 28, 2011, University of Utah, Drug Information Service. Copyright 2015, Drug Information Service, University of Utah, Salt Lake City, UT.


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