Romy Chamoun, MD
Romy Chamoun, MD

@RomyChamoun

9 Tweets 1 reads Sep 30, 2022
@AmCollegeGastro @umfoodoc @EBGIdoc @AGA_Gastro @LorenLaine2 @AasmaShaukatMD @AmitPatelDukeMD @YaleDigestive @IUGastro @ShimaghavimiMD @TennysonMD @shifaumarMD 2/📜Importance?
🚫lansoprazole triple tx + Clarithromycin(C) -> ~30% eradication in C-resistant🦠
⚠️% C resistance > 20% in 🇺🇸
✅Bismuth-based quadruple tx (BQT) + rifabutin(R)-based triple tx ->preferred.
🛑 BQT:⬇️Compliance+💊burden; R-based tx: ⬆️💵, lack of awareness.
@AmCollegeGastro @umfoodoc @EBGIdoc @AGA_Gastro @LorenLaine2 @AasmaShaukatMD @AmitPatelDukeMD @YaleDigestive @IUGastro @ShimaghavimiMD @TennysonMD @shifaumarMD 3/ Vonaprazan🧐 (V)
📍 K-competitive acid 🚫
📍 Produce early & more potent acid suppression than conventional PPIs 🟰 more successful tx of H. pylori.
📍Gastric acid 🚫-> ⬆️ activity of Amox + C & ⬇️
active bacterial replication of H. pylori
gi.org #EBGI
@AmCollegeGastro @umfoodoc @EBGIdoc @AGA_Gastro @LorenLaine2 @AasmaShaukatMD @AmitPatelDukeMD @YaleDigestive @IUGastro @ShimaghavimiMD @TennysonMD @shifaumarMD @Badr_AlBawardy @gastrodocmattar @IBD_Houston @DaniaHudhud @alhaddad_mo 4/🔎Design:
💡Phase 3, multicenter, double-blind RCT
💡Pts from 103 sites in the 🇺🇸, 🇬🇧, 🇧🇬, 🇨🇿, 🇭🇺and 🇵🇱
💡 🥇endpoint : H. pylori eradication based on Neg 13C-urea breath test obtained at least 4wks after the last dose of study 💊
@AmCollegeGastro @umfoodoc @EBGIdoc @AGA_Gastro @LorenLaine2 @AasmaShaukatMD @AmitPatelDukeMD @YaleDigestive @IUGastro @ShimaghavimiMD @TennysonMD @shifaumarMD @Badr_AlBawardy @gastrodocmattar @IBD_Houston @DaniaHudhud @alhaddad_mo @IBDimmunology @ibdgijami @EmoryGastroHep @AnthonyLemboMD @Tabibian_MDPhD @doctornikkid 5/Study population
🔦992 were fully evaluated
🔦Mean age: 51-52 years old
🔦37% 👨‍🦰
🔦90% ⚪️
🔦42% from 🇺🇸
🔦98% with dyspepsia as an indication to test for H. pylori
🔦20% with Clarithromycin-R strains
🔦1% with Amoxicillin-R strains
🔦63% with Metronidazole-Resistant strains
@AmCollegeGastro @umfoodoc @EBGIdoc @AGA_Gastro @LorenLaine2 @AasmaShaukatMD @AmitPatelDukeMD @YaleDigestive @IUGastro @ShimaghavimiMD @TennysonMD @shifaumarMD @Badr_AlBawardy @gastrodocmattar @IBD_Houston @DaniaHudhud @alhaddad_mo @IBDimmunology @ibdgijami @EmoryGastroHep @AnthonyLemboMD @Tabibian_MDPhD @doctornikkid @drmoutaz @JBrandlerMD @StonyBrookGI @UMichGIHep @KU_GIHep @GeorgetownGI @UNMC_GIHEP @DannyIssaMD @AmyOxentenkoMD 6/🗝️Study Findings
🗝️V-dual tx and V-triple tx were superior to lansoprazole-triple tx for🦠eradication
Result same in
🥇all pts (77.2% vs 80.8% vs 68.5%, respectively, P < 0.01)

🥈pts w/ C-R strains (69.6% vs 65.8% vs 31.9%, respectively, P < 0.001)

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