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Biomed J. 2014 Sep-Oct;37(5):326-30. doi: 10.4103/2319-4170.125650.

Levofloxacin-containing second-line anti-Helicobacter pylori eradication in Taiwanese real-world practice.

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Division of Hepatogastroenterology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.



Quinolone-containing triple therapy is recommended as an option for non-bismuth containing second-line Helicobacter pylori eradication. Current available Taiwanese reports in the literature used 7-day quinolone-containing triple therapy. As a result, some physicians still prescribe 7-day regimens in real-world practice in Taiwan. This study aimed to further assess the appropriateness of 7-day levofloxacin-containing triple therapy as second-line therapy.


We enrolled 61 patients who failed H. pylori eradication using the standard triple therapy for 7 days and were prescribed levofloxacin-containing second-line triple therapy (levofloxacin 500 mg once daily, amoxicillin 1 g twice daily, and esomeprazole 40 mg twice daily). Routine follow-up with either endoscopy or urea breath test was done 8 weeks later to assess treatment response.


The eradication rates were 78.7% in the intention-to-treat analysis and 81% in the per-protocol analysis. The incidence of adverse events was 6.6%. Drug compliance was 95.1%. Antibiotic resistance showed the following results: Amoxicillin (0%), levofloxacin (23.5%), clarythromycin (35.3%), metronidazole (17.6%), and tetracycline (0%).


The 7-day levofloxacin-containing triple therapy provides an unacceptable per-protocol report card as the second-line treatment for anti-H. pylori eradication in Taiwan and should be modified by either extending the duration to 10-14 days or seeking other regimens.

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