As Daewoong Pharmaceutical unveiled Phase III clinical data of its next-generation gastroesophageal reflux disease agent in development, fexuprazan, the Korean pharmaceutical industry is keeping a close eye on the prospective competition between the existing proton pump inhibitors (PPI) tegoprazan (Brand name: K-CAB) and the novel agent.

Reversibly blocking the proton pump, a potassium-competitive acid blocker’s (P-CAB) efficacy compared to PPI has been confirmed through the clinical trial conducted in Korea, but the market competition would heavily rely on pricing, indication and improved efficacy.

▲Improved efficacy against PPI esomeprazole confirmed

On May 2, the