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Amongst all the proton pump inhibitors (PPI), the hepatic metabolism of rabeprazole is least dependent on the CYP4502C19 system. Rabeprazole is therefore the PPI least affected by CYP4502C19 genetic polymorphism. This unique feature of rabeprazole complements rabeprazole's fast onset of action, and may lead to profound and consistent inhibition of gastric acid secretion in the treatment of acid-related disorders.

A clear evidence-based management strategy for the management of GERD is warranted in the Asia-Pacific region.

SUMMARY BackgroundNon-cardiac chest pain is an important disorder in Asia. The practice and views of gastroenterologists on non-cardiac chest pain in this region are not known.

Noncardiac chest pain (NCCP) is common and has a significant impact on health care. Primary care physicians (PCPs)' attitudes, clinical approach, preference of diagnostic tests, referral patterns, and comfort in managing patients with NCCP in the Asia-Pacific region are not known. Consequently, we performed this survey in the Asia-Pacific region. The self-completed questionnaire was sent to PCPs in the Asia-Pacific region. A 28-item questionnaire contained questions on demographic information, characteristics of practice, preferences of diagnostic tests, referral patterns, treatment plans, and opinion on Helicobacter pylori and NCCP. A total of 108 (74%) PCPs returned the questionnaire. A mean of 18% of the patients were diagnosed with NCCP by PCPs in the past 6 months. Ninety-four percent of PCPs had treated NCCP patients in the last 6 months. Only 38% of the PCPs were comfortable in diagnosing NCCP but 85.2% believed that they should manage NCCP patients. PCPs in Malaysia and Philippines were more likely to refer patients to subspecialists. Fifty-seven and four-tenths percent of PCPs believed that H. pylori infection plays a role in the development of NCCP. The study demonstrates clearly that the understanding, diagnostic strategies, and treatment strategies of NCCP in the Asia-Pacific region are suboptimal and thus highlights the importance of educational and training programs tailored for PCPs in NCCP.

No abstract

Proton pump inhibitors (PPI) are the mainstay of gastroesophageal reflux disease (GERD) treatment. They have a good efficacy and short- and long-term safety profile. Rabeprazole is a second generation PPI with rapid onset of action that quickly relieves symptoms of GERD. Rabeprazole consistently and profoundly inhibits gastric acid secretion. Its metabolism is less dependent on CYP4502C19 system and therefore is the least affected among all PPIs by CYP4502C19 genetic polymorphism. Recent studies have also indicated that rabeprazole on-demand is cost effective in preventing non-erosive reflux disease (NERD) symptom relapse.

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