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Although placebo response rates in clinical trials for functional dyspepsia (FD) are more than 30%, a recent meta-analysis based on randomized controlled trials (RCTs) showed that antisecretory drugs were more or less superior to placebos. On the other hand, large-scale RCTs on the efficacy of treatment with prokinetics on FD are still needed. Indications(More)
The stomach is a sensitive digestive organ that is susceptible and exposed to exogenous pathogens from the diet. In response to such pathogens, the stomach induces oxidative stress, which might be related to the development of gastric organic disorders such as gastritis, gastric ulcers, and gastric cancer, as well as functional disorders such as functional(More)
Currently, a standard third-line therapy for Helicobacter pylori (H. pylori) eradication remains to be established. Quinolones show good oral absorption, no major side effects, and marked activity against H. pylori. Several authors have studied quinolone-based third-line therapy and reported encouraging results, with the reported H. pylori cure rates(More)
Evidence for an association between H. pylori and functional dyspepsia (FD) is uncertain. In the present review, we focused the special relevance of H. pylori infection to the development dyspepsia from the aspects of pathogenesis, clinical efficacy of eradication of H. pylori in the West and in the East. Although clinical trials conducted to evaluate the(More)
BACKGROUND AND AIM Propofol has been suggested to be superior to benzodiazepines when used as a sedative agent for endoscopic examination. The aim of the present study was to systematically evaluate the safety and efficacy of propofol sedation for endoscopic submucosal dissection (ESD). METHODS PubMed, the Cochrane library, and the Igaku-Chuo-Zasshi(More)
A high resistance rate (47.9%) to gatifloxacin (GAT; 8-methoxy fluoroquinolone) in Helicobacter pylori (H. pylori) strains from 48 Japanese patients is observed after unsuccessful H. pylori eradication. A significant association between MICs for GAT equal to or above 1 microg/ml and mutations of the gyrA gene of H. pylori was demonstrated.
Resistance of Helicobacter pylori to the standard therapeutic antimicrobials (clarithromycin, metronidazole, amoxicillin [AMX], and tetracycline) (9) has been demonstrated; therefore, there is an urgent need to introduce other treatment options. Fluoroquinolones, such as levofloxacin (LVX) and gatifloxacin (GAT), have been evaluated as an alternative to(More)
Sitafloxacin-based triple therapy achieved 83.6% (per-protocol) and 78.2% (intention-to-treat) success in eradicating Helicobacter pylori among 78 Japanese patients after clarithromycin-based first-line and metronidazole-based second-line triple therapies failed. Eradication succeeded in 32 out of 43 patients, even with gyrA mutation-positive Helicobacter(More)
BACKGROUND/AIMS Sonic hedgehog (Shh) is a morphogen involved in many aspects of patterning of the gut during embryogenesis and in gastric fundic gland homeostasis in the adult. Shh expression is reportedly to be reduced in Helicobacterpylori-associated gastritis. The aim of this study was to assess the restoration of Shh expression after H. pylori(More)