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Gentamicin-intercalated smectite as a new therapeutic option for Helicobacter pylori eradication

 Su Jin Jeong  ;  Jie-Hyun Kim  ;  Da Hyun Jung  ;  Kyoung Hwa Lee  ;  Soon Young Park  ;  Yungoo Song  ;  Il-Mo Kang  ;  Young Goo Song 
 Journal of Antimicrobial Chemotherapy, Vol.73(5) : 1324-1329, 2018 
Journal Title
 Journal of Antimicrobial Chemotherapy 
Issue Date
Objectives: Novel antibacterial strategies against Helicobacter pylori are needed because H. pylori strains are acquiring resistance to antibiotics. We evaluated the efficacy of gentamicin-intercalated smectite hybrid (S-GEN)-based treatment regimens in a murine model of H. pylori infection. Methods: Two groups of 10 rats were administered either smectite or S-GEN to measure coverage of the gastric mucosa. To evaluate anti-H. pylori efficacy, mice were divided into eight groups of 10 mice each given different treatments, and H. pylori eradication was assessed by a Campylobacter-like organism (CLO) test and H. pylori PCR of the gastric mucosa, and H. pylori antigen and H. pylori PCR analysis of mouse faeces. The levels of proinflammatory cytokines were examined. Results: S-GEN was retained in the gastric mucosal layer with a >60% distribution ratio for up to 1 h, and the S-GEN-based triple regimen decreased bacterial burden in vivo compared with that of untreated mice or mice treated with other regimens. The cure rates in the CLO test and H. pylori PCR from gastric mucosa were 70%, 60%, 80%, 50%, 60% and 60% in Groups III-VIII, respectively. Those for H. pylori PCR in the faeces of mice were 90% and 100% in Group III with standard therapy and Group V with triple therapy including S-GEN, respectively. S-GEN triple therapy also reduced the levels of proinflammatory cytokines. Conclusions: These results suggest that S-GEN is a promising and effective therapeutic agent for the treatment of H. pylori infection.
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1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Jie-Hyun(김지현) ORCID logo https://orcid.org/0000-0002-9198-3326
Song, Young Goo(송영구) ORCID logo https://orcid.org/0000-0002-0733-4156
Lee, Kyoung Hwa(이경화) ORCID logo https://orcid.org/0000-0003-0033-1398
Jung, Da Hyun(정다현)
Jeong, Su Jin(정수진) ORCID logo https://orcid.org/0000-0003-4025-4542
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