Drug Safety Warnings and Updates: July-September 2017

Teresa Rubio, PharmD

Disclosures

January 03, 2018

Editorial Collaboration

Medscape &

In This Article

Canagliflozin (INVOKANA®)

For more on this Drug Safety Labeling Change, click here.

For full prescribing information, click here.

Updated Boxed Warning

WARNING: LOWER LIMB AMPUTATION

  • An approximately twofold increased risk of lower limb amputations associated with INVOKANA use was observed in CANVAS and CANVAS-R, two large, randomized, placebo-controlled trials in patients with type 2 diabetes who had established cardiovascular disease (CVD) or were at risk for CVD.

  • Amputations of the toe and midfoot were most frequent; however, amputations involving the leg were also observed. Some patients had multiple amputations, some involving both limbs.

  • Before initiating, consider factors that may increase the risk of amputation, such as a history of prior amputation, peripheral vascular disease, neuropathy, and diabetic foot ulcers.

  • Monitor patients receiving INVOKANA for infection, new pain or tenderness, sores or ulcers involving the lower limbs, and discontinue if these complications occur.

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