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Clinical Trial: Dose-Finding Study of Linaprazan Glurate, A Novel Potassium-Competitive Acid Blocker, Versus Lansoprazole for the Treatment of Erosive Oesophagitis

Sharma P, Vaezi M, Unge P, Andersson K, Larsson K, Popadiyn I, Rosenholm M, Rosztóczy A et al.

Alimentary pharmacology & therapeutics, 2025

248 participants · 6 citations

Abstract

BACKGROUND: Linaprazan glurate, a potassium-competitive acid blocker, is in development for the treatment of erosive oesophagitis and other acid-related diseases.

AIM: To evaluate the 4-week healing rate and safety of four linaprazan glurate dosing regimens in patients with erosive oesophagitis.

METHODS: This double-blind, dose-finding study compared linaprazan glurate to lansoprazole. We included patients with endoscopically confirmed erosive oesophagitis (validated by a central review board) if they had Los Angeles (LA) grade C/D or LA grade A/B with partial response to at least 8 weeks of proton pump inhibitor therapy. Patients were randomised to 4 weeks of linaprazan glurate (25, 50, 75 or 100 mg twice daily) or lansoprazole (30 mg once daily), followed by 4 weeks of open-label lansoprazole.

RESULTS: Of 248 patients randomised, central review confirmed erosive oesophagitis in 182 at screening endoscopy. Across all doses, linaprazan glurate achieved a 4-week healing rate of 71.1% in intention-to-treat (ITT) analysis and 80.9% in per protocol (PP) analysis. In comparison, lansoprazole achieved healing rates of 60.6% (ITT) and 59.1% (PPS). The best performing linaprazan glurate dosing group outperformed lansoprazole by 28% in patients with LA grade A/B with partial PPI response and by more than 50% in patients with LA grade C/D.

CONCLUSIONS: Linaprazan glurate demonstrated high 4-week healing rates compared to lansoprazole, with a good safety profile, supporting its further…

How strong is the evidence?

Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 248 participants or records.

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