Response to Graham

Affiliations

¹ Yale School of Medicine, New Haven, Connecticut, USA.
² VA Connecticut Healthcare System, West Haven, Connecticut, USA.
³ Veterans Affairs Medical Center and University of Kansas School of Medicine, Kansas City, Kansas, USA.
⁴ Phathom Pharmaceuticals, Buffalo Grove, Illinois, USA.
⁵ University of Tennessee College of Medicine, Memphis, Tennessee, USA.

Comment

Loren Laine et al. Am J Gastroenterol. 2022.

. 2022 Nov 1;117(11):1882-1883.

doi: 10.14309/ajg.0000000000002009.

¹ Yale School of Medicine, New Haven, Connecticut, USA.
² VA Connecticut Healthcare System, West Haven, Connecticut, USA.
³ Veterans Affairs Medical Center and University of Kansas School of Medicine, Kansas City, Kansas, USA.
⁴ Phathom Pharmaceuticals, Buffalo Grove, Illinois, USA.
⁵ University of Tennessee College of Medicine, Memphis, Tennessee, USA.

No abstract available

Comment on

Quality of Studies for Gastric pH Measurements With Vonoprazan.
Graham DY. Graham DY. Am J Gastroenterol. 2022 Nov 1;117(11):1882. doi: 10.14309/ajg.0000000000001905. Am J Gastroenterol. 2022. PMID: 35849632 Free PMC article. No abstract available.

1. Laine L, Sharma P, Mulford DJ, et al. Pharmacodynamics and pharmacokinetics of the potassium-competitive acid blocker vonoprazan and the proton pump inhibitor lansoprazole in US subjects. Am J Gastroenterol 2022;117:1158–61.
1. Graham D. Quality of studies for gastric pH measurements with vonoprazan. Am J Gastroenterol. 2022;117(11):1881.
1. Mela GS, Savarino V, Moretti M, et al. Antimony and glass pH electrodes can be used interchangeably in 24-hour studies of gastric acidity. Dig Dis Sci 1990;35:1473–81.
1. Opekun AR, Smith JL, Graham DY. Antimony electrodes. Mucosal potential differences and buffer composition adversely affect pH measurements in the stomach. Dig Dis Sci 1990;35:950–5.