期刊
HELICOBACTER
卷 24, 期 5, 页码 -出版社
WILEY
DOI: 10.1111/hel.12654
关键词
concomitant therapy; eradication; point mutation; tailored therapy
资金
- Inje University
Background We evaluated the efficacy of tailored therapy based on point mutation presence identified with the dual-priming oligonucleotide (DPO)-based multiplex polymerase chain reaction (PCR) method compared with concomitant therapy. Materials and methods Subjects were randomly assigned concomitant therapy (amoxicillin 1 g, clarithromycin 500 mg, metronidazole 500 mg, and lansoprazole 30 mg twice/day for 14 days) or tailored therapy (amoxicillin 1 g, clarithromycin 500 mg, and lansoprazole 30 mg twice/day for 14 days in point mutation-negative subjects; and amoxicillin 1 g, metronidazole 500 mg, and lansoprazole 30 mg twice/day for 14 days in point mutation-positive subjects). Results A total of 397 and 352 subjects were included in the intention-to-treat (ITT) and per-protocol (PP) analyses, respectively. Point mutations were identified in 25.9% of the subjects. The overall eradication rate was not significantly different between the groups by ITT (86.2% vs 81.6%, P = .132) and PP analyses (90.2% vs 86.5%, P = .179). There was no significant difference in the eradication rates between the groups in both the point mutation-negative subjects (91.7% vs 87.3%, P = .154) and the point mutation-positive subjects (71.2% vs 64.7%, P = .312). The eradication rates were significantly lower in the point mutation-positive subjects than in the point mutation-negative subjects in both the concomitant and tailored therapy groups. Conclusions Tailored therapy based on point mutation presence identified with the DPO-based multiplex PCR method was as effective as concomitant therapy. The eradication rates of both therapy regimens were suboptimal in point mutation-positive subjects.
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