This Site Is Intended for US Healthcare Professionals Only
INDICATION VOQUEZNA® Triple Pak® is indicated for the treatment of Helicobacter pylori infection in adults READ MORE

The first FDA-approved PCAB

Image showing the cellular activity of a PCAB and its impact on acid suppression in the gastric system. This novel class of acid suppression acts in a unique way. Features of PCABs include long half-life, acid not required for activation, they bind to active acid pumps in a non-covalent and reversible manner.
Adapted with permission from Wolters Kluwer Health, Inc.: Laine L et al. Am J Gastroenterol.
2022;117(7):1158-1161.

The clinical significance of these mechanistic differences has not been established.

VOQUEZNA® (vonoprazan) is a potassium-competitive acid blocker (PCAB) that1:

  • May selectively concentrate in the parietal cells in both the resting and stimulated states
  • Suppresses acid by inhibiting the binding of potassium ions to the acid pump

Features of vonoprazan include1:

  • Acid not required for activation
  • Binds to active acid pumps in a noncovalent and reversible manner
  • Long half-life (7.1 hours)

The novel mechanism of action behind PCABs

Learn how this unique class of acid suppression works