Publications by authors named "Varocha Mahachai"

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Efficacy of fourteen-day once-daily vonoprazan-based quadruple therapy for Helicobacter pylori in high clarithromycin-resistance regions (ONCE-VONO Trial).
Saran Sukkamolsantiporn, Phubordee Bongkotvirawan, Soonthorn Chonprasertsuk, Bubpha Pornthisarn, Sith Siramolpiwat, Varocha Mahachai

Sci Rep· December 2025

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Screening and eradication of or gastric cancer prevention: Taipei Global Consensus II.
Jyh-Ming Liou, Peter Malfertheiner, Tzu-Chan Hong, Hsiu-Chi Cheng, Kentaro Sugano, Varocha Mahachai

Gut· October 2025

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Fecal Microbiota Transplantation by Rectal Enema Improves Short-Term Insulin Resistance in Metabolic Syndrome: A Pilot Randomized Controlled Trial.
Setthachai Piwchan, Natsuda Aumpan, Soonthorn Chonprasertsuk, Bubpha Pornthisarn, Sith Siramolpiwat, Varocha Mahachai

J Obes Metab Syndr· October 2025

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Efficacy of encapsulated fecal microbiota transplantation and FMT via rectal enema for irritable bowel syndrome: a double-blind, randomized, placebo-controlled trial (CAP-ENEMA FMT Trial).
Natsuda Aumpan, Soonthorn Chonprasertsuk, Bubpha Pornthisarn, Sith Siramolpiwat, Patommatat Bhanthumkomol, Varocha Mahachai

Front Med (Lausanne)· October 2025

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Industrialization drives convergent microbial and physiological shifts in the human metaorganism.
Mathilde Poyet, Malte Rühlemann, Ana P Schaan, Yue Ma, Lucas Moitinho-Silva, Varocha Mahachai

bioRxiv· October 2025

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antibiotic resistance: a global challenge in search of solutions.
Christian Schulz, Jyh-Ming Liou, Mohamed Alboraie, Jan Bornschein, Christian Campos Nunez, Varocha Mahachai

Gut· September 2025

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Position statement of the World Endoscopy Organization: Role of endoscopy in screening, diagnosis, and treatment of esophageal superficial squamous neoplasiaia.
Cesare Hassan, Giulio Antonelli, Philip Wai-Yan Chiu, Fabian Emura, Kenichi Goda, Mahachai Varocha

Dig Endosc· May 2025

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Predictive Factors Associated with Survival in Female Gastric Cancer Patients in Southeast Asia.
Phubordee Bongkotvirawan, Natsuda Aumpan, Bubpha Pornthisarn, Soonthorn Chonprasertsuk, Sith Siramolpiwat, Varocha Mahachai

Womens Health Rep (New Rochelle)· February 2024

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Management of Helicobacter pylori treatment failures: A large population-based study (HP treatment failures trial).
Natsuda Aumpan, Navapan Issariyakulkarn, Varocha Mahachai, David Graham, Yoshio Yamaoka

PLoS One· January 2024

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Simultaneous detection of Helicobacter pylori infection comparing between white light and image-enhanced endoscopy.
Boonyaorn Chatrangsun, Natsuda Aumpan, Bubpha Pornthisarn, Soonthorn Chonprasertsuk, Sith Siramolpiwat, Varocha Mahachai

BMC Gastroenterol· January 2024

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Real-world practice of Helicobacter pylori management: A survey among physicians in Southeast Asia.
Duc Trong Quach, Ratha-Korn Vilaichone, Mai Ngoc Luu, Yeong Yeh Lee, Tiing Leong Ang, Varocha Mahachai

Helicobacter· December 2023

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Pilot studies of vonoprazan-containing Helicobacter pylori eradication therapy suggest Thailand may be more similar to the US than Japan.
Sarita Ratana-Amornpin, Likasith Sanglutong, Thanee Eiamsitrakoon, Sith Siramolpiwat, David Y Graham, Varocha Mahachai

Helicobacter· December 2023

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Real world for management of hepatocellular carcinoma: a large population-based study.
Supatsri Sethasine, Nitipon Simasingha, Sarita Ratana-Amornpin, Varocha Mahachai

Scand J Gastroenterol· May 2023

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Management of infection.
Natsuda Aumpan, Varocha Mahachai, Ratha-Korn Vilaichone

JGH Open· January 2023

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Kyoto international consensus report on anatomy, pathophysiology and clinical significance of the gastro-oesophageal junction.
Kentaro Sugano, Stuart Jon Spechler, Emad M El-Omar, Kenneth E L McColl, Kaiyo Takubo, Varocha Mahachai

Gut· August 2022

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Thailand guideline 2020 for medical management of gastroesophageal reflux disease.
Monthira Maneerattanaporn, Rapat Pittayanon, Tanisa Patcharatrakul, Chalermrat Bunchorntavakul, Siam Sirinthornpanya, Varocha Mahachai

J Gastroenterol Hepatol· April 2022

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Predictors for regression and progression of intestinal metaplasia (IM): A large population-based study from low prevalence area of gastric cancer (IM-predictor trial).
Natsuda Aumpan, Ratha-Korn Vilaichone, Bubpha Pornthisarn, Soonthorn Chonprasertsuk, Sith Siramolpiwat, Varocha Mahachai

PLoS One· November 2021

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Serum Helicobacter pylori antibody reactivity in seven Asian countries using an automated latex aggregation turbidity assay.
Junko Akada, Evariste Tshibangu-Kabamba, Vo Phuoc Tuan, Shusaku Kurogi, Yuichi Matsuo, Varocha Mahachai

J Gastroenterol Hepatol· August 2021

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Clinical Features and Overall Survival of Females with Hepatocellular Carcinoma: A Retrospective Study and Review of the Literature in the Association of Southeast Asian Nations.
Sarita Ratana-Amornpin, Ratha-Korn Vilaichone, Muhammad Miftahussurur, Natsuda Aumpan, Kittipong Kaewkarnjanarat, Varocha Mahachai

Int J Womens Health· July 2021

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Screening and eradication of for gastric cancer prevention: the Taipei global consensus.
Jyh-Ming Liou, Peter Malfertheiner, Yi-Chia Lee, Bor-Shyang Sheu, Kentaro Sugano, Varocha Mahachai

Gut· December 2020

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Predictors for development of complete and incomplete intestinal metaplasia (IM) associated with H. pylori infection: A large-scale study from low prevalence area of gastric cancer (IM-HP trial).
Natsuda Aumpan, Ratha-Korn Vilaichone, Pongjarat Nunanan, Soonthorn Chonprasertsuk, Sith Siramolpiwat, Varocha Mahachai

PLoS One· November 2020

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Population-based study of Helicobacter pylori infection and antibiotic resistance in Bhutan.
Ratha-Korn Vilaichone, Natsuda Aumpan, Thawee Ratanachu-Ek, Tomohisa Uchida, Lotay Tshering, Varocha Mahachai

Int J Infect Dis· August 2020

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Serum pepsinogens as a gastric cancer and gastritis biomarker in South and Southeast Asian populations.
Muhammad Miftahussurur, Langgeng Agung Waskito, Hafeza Aftab, Ratha-Korn Vilaichone, Phawinee Subsomwong, Varocha Mahachai

PLoS One· July 2020

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Prevalence and Antibiotic Resistance Patterns of Helicobacter pylori Infection in Koh Kong, Cambodia.
Natsuda Aumpan, Ratha-Korn Vilaichone, Pornpen Gamnarai, Likhasit Sanglutong, Thawee Ratanachu-Ek, Varocha Mahachai

Asian Pac J Cancer Prev· May 2020

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Efficacy of Omeprazole, Tetracycline, and 4 Times Daily Dosing of Amoxicillin in Helicobacter pylori Eradication in Limited Resource Area in Bhutan: A Prospective Randomized Trial (BHUTAN Study).
Ratha-Korn Vilaichone, Natsuda Aumpan, Thawee Ratanachu-Ek, Pornpen Gamnarai, Tomahisa Uchida, Varocha Mahachai

Asian Pac J Cancer Prev· April 2020

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