Varocha Mahachai

Affiliations

GI and Liver Center, Bangkok Medical Center, Bangkok, Thailand.

Publications (22)

Serum pepsinogens as a gastric cancer and gastritis biomarker in South and Southeast Asian populations.

PloS one

Avec: Muhammad Miftahussurur , Langgeng Agung Waskito , Hafeza Aftab , Ratha-Korn Vilaichone , Phawinee Subsomwong , Iswan Abbas Nusi , Ari Fahrial Syam , Thawee Ratanachu-Ek , Dalla Doohan , Gontar Siregar , Yudith Annisa Ayu Rezkitha , Kartika Afrida Fauzia , Varocha Mahachai , Yoshio Yamaoka

Serum Helicobacter pylori antibody reactivity in seven Asian countries using an automated latex aggregation turbidity assay.

Journal of gastroenterology and hepatology

Avec: Junko Akada , Evariste Tshibangu-Kabamba , Vo Phuoc Tuan , Shusaku Kurogi , Yuichi Matsuo , Shamshul Ansari , Dalla Doohan , Bui Hoang Phuc , Phawinee Subsomwong , Langgeng Agung Waskito , Tran Thanh Binh , Lam Tung Nguyen , Vu Van Khien , Ho Dang Quy Dung , Muhammad Miftahussurur , Ari Fahrial Syam , Lotay Tshering , Ratha-Korn Vilaichone , Varocha Mahachai , Thawee Ratanachu-Ek , Pradeep Krishna Shrestha , Than Than Yee , Kyaw Htet , Hafeza Aftab , Takeshi Matsuhisa , Tomohisa Uchida , Tadayoshi Okimoto , Kazuhiro Mizukami , Masaaki Kodama , Kazunari Murakami , Naohiko Takahashi , Yoshio Yamaoka

Pilot studies of vonoprazan-containing Helicobacter pylori eradication therapy suggest Thailand may be more similar to the US than Japan.

Helicobacter

Avec: Sarita Ratana-Amornpin , Likasith Sanglutong , Thanee Eiamsitrakoon , Sith Siramolpiwat , David Y Graham , Varocha Mahachai

Thailand Dyspepsia Guidelines: 2018.

Journal of neurogastroenterology and motility

Avec: Rapat Pittayanon , Somchai Leelakusolvong , Ratha-Korn Vilaichone , Jarin Rojborwonwitaya , Sombat Treeprasertsuk , Pisaln Mairiang , Supphamat Chirnaksorn , Taned Chitapanarux , Uayporn Kaosombatwattana , Jaksin Sottisuporn , Inchaya Sansak , Pochamana Phisalprapa , Chalermrat Bunchorntavakul , Surapon Chuenrattanakul , Suriya Chakkaphak , Rattana Boonsirichan , Olarn Wiwattanachang , Monthira Maneerattanaporn , Wanich Piyanirun , Varocha Mahachai

Thailand guideline 2020 for medical management of gastroesophageal reflux disease.

Journal of gastroenterology and hepatology

Avec: Monthira Maneerattanaporn , Rapat Pittayanon , Tanisa Patcharatrakul , Chalermrat Bunchorntavakul , Siam Sirinthornpanya , Panyavee Pitisuttithum , Asawin Sudcharoen , Uayporn Kaosombatwattana , Kawin Tangvoraphongchai , Reawika Chaikomin , Kamin Harinwan , Karjpong Techathuvanan , Sawangpong Jandee , Phuripong Kijdamrongthum , Anupong Tangaroonsanti , Kulthep Rattanakovit , Sakkarin Chirapongsathorn , Sutep Gonlachanvit , Surapol Surangsrirat , Duangporn Werawatganon , Kitti Chunlertrith , Varocha Mahachai , Somchai Leelakusolvong , Wanich Piyanirun

Simultaneous detection of Helicobacter pylori infection comparing between white light and image-enhanced endoscopy.

BMC gastroenterology

Avec: Boonyaorn Chatrangsun , Natsuda Aumpan , Bubpha Pornthisarn , Soonthorn Chonprasertsuk , Sith Siramolpiwat , Patommatat Bhanthumkomol , Pongjarat Nunanan , Navapan Issariyakulkarn , Varocha Mahachai , Yoshio Yamaoka , Ratha-Korn Vilaichone

Real-world practice of Helicobacter pylori management: A survey among physicians in Southeast Asia.

Helicobacter

Avec: Duc Trong Quach , Ratha-Korn Vilaichone , Mai Ngoc Luu , Yeong Yeh Lee , Tiing Leong Ang , Muhammad Miftahussurur , Than Than Aye , Dewi Norwani Basir , Ky Vutha , Sengdao Vannarath , Jose D Sollano , Varocha Mahachai

Characterization of a novel Helicobacter pylori East Asian-type CagA ELISA for detecting patients infected with various cagA genotypes.

Medical microbiology and immunology

Avec: Dalla Doohan , Muhammad Miftahussurur , Yuichi Matsuo , Yasutoshi Kido , Junko Akada , Takeshi Matsuhisa , Than Than Yee , Kyaw Htet , Hafeza Aftab , Ratha-Korn Vilaichone , Varocha Mahachai , Thawee Ratanachu-Ek , Lotay Tshering , Langgeng Agung Waskito , Kartika Afrida Fauzia , Tomohisa Uchida , Ari Fahrial Syam , Yudith Annisa Ayu Rezkitha , Yoshio Yamaoka

Once-daily rabeprazole, levofloxacin, clarithromycin-MR, and bismuth for Helicobacter pylori eradication: A randomized study of 7 or 14 days (ONCE study).

Helicobacter

Avec: Jeerayuth Auttajaroon , Ratha-Korn Vilaichone , Peranart Chotivitayatarakorn , Varocha Mahachai

Cytoprotective agent for peptic ulcer prevention in patients taking dual antiplatelet agents: A randomized, double-blind placebo-controlled trial.

Journal of gastroenterology and hepatology

Avec: Rapat Pittayanon , Panida Piyachaturawat , Rungsun Rerknimitr , Piyapan Prueksapanich , Supakarn Chaitongrat , Vorarit Lertsuwunseri , Suphot Srimahachota , Varocha Mahachai

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).

PloS one

Avec: Natsuda Aumpan , Ratha-Korn Vilaichone , Pongjarat Nunanan , Soonthorn Chonprasertsuk , Sith Siramolpiwat , Patommatat Bhanthumkomol , Bubpha Pornthisarn , Tomohisa Uchida , Virunpat Vilaichone , Arti Wongcha-Um , Yoshio Yamaoka , Varocha Mahachai

Scientific frontiers in faecal microbiota transplantation: joint document of Asia-Pacific Association of Gastroenterology (APAGE) and Asia-Pacific Society for Digestive Endoscopy (APSDE).

Gut

Avec: Siew C Ng , Michael A Kamm , Yun Kit Yeoh , Paul K S Chan , Tao Zuo , Whitney Tang , Ajit Sood , Akira Andoh , Naoki Ohmiya , Yongjian Zhou , Choon Jin Ooi , Varocha Mahachai , Chun-Ying Wu , Faming Zhang , Kentaro Sugano , Francis K L Chan

High Efficacy of Rapid Urine Test for Diagnosis of Helicobacter pylori Infection in Thai People

Asian Pacific journal of cancer prevention : APJCP

Avec: Natsuda Aumpan , Ratha-Korn Vilaichone , Peranart Chotivitayatarakorn , Bubpha Pornthisarn , Soonthorn Cholprasertsuk , Patommatat Bhanthumkomol , Amornnivit Kanokwanvimol , Sith Siramolpiwat , Varocha Mahachai

Management of Helicobacter pylori treatment failures: A large population-based study (HP treatment failures trial).

PloS one

Avec: Natsuda Aumpan , Navapan Issariyakulkarn , Varocha Mahachai , David Graham , Yoshio Yamaoka , Ratha-Korn Vilaichone

Predictive Factors Associated with Survival in Female Gastric Cancer Patients in Southeast Asia.

Women's health reports (New Rochelle, N.Y.)

Avec: Phubordee Bongkotvirawan , Natsuda Aumpan , Bubpha Pornthisarn , Soonthorn Chonprasertsuk , Sith Siramolpiwat , Patommatat Bhanthumkomol , Pongjarat Nunanun , Navapan Issariyakulkarn , Varocha Mahachai , Kammal Kumar Pawa , Ratha-Korn Vilaichone

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).

Asian Pacific journal of cancer prevention : APJCP

Avec: Ratha-Korn Vilaichone , Natsuda Aumpan , Thawee Ratanachu-Ek , Pornpen Gamnarai , Tomahisa Uchida , Lotay Tshering , Varocha Mahachai , Yoshio Yamaoka

Prevalence and Antibiotic Resistance Patterns of Helicobacter pylori Infection in Koh Kong, Cambodia.

Asian Pacific journal of cancer prevention : APJCP

Avec: Natsuda Aumpan , Ratha-Korn Vilaichone , Pornpen Gamnarai , Likhasit Sanglutong , Thawee Ratanachu-Ek , Varocha Mahachai , Yoshio Yamaoka

Population-based study of Helicobacter pylori infection and antibiotic resistance in Bhutan.

International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases

Avec: Ratha-Korn Vilaichone , Natsuda Aumpan , Thawee Ratanachu-Ek , Tomohisa Uchida , Lotay Tshering , Varocha Mahachai , Yoshio Yamaoka

Screening and eradication of

Gut

Avec: Jyh-Ming Liou , Peter Malfertheiner , Yi-Chia Lee , Bor-Shyang Sheu , Kentaro Sugano , Hsiu-Chi Cheng , Khay-Guan Yeoh , Ping-I Hsu , Khean-Lee Goh , Varocha Mahachai , Takuji Gotoda , Wei-Lun Chang , Mei-Jyh Chen , Tsung-Hsien Chiang , Chieh-Chang Chen , Chun-Ying Wu , Alex Hwong-Ruey Leow , Jeng-Yih Wu , Deng-Chyang Wu , Tzu-Chan Hong , Hong Lu , Yoshio Yamaoka , Francis Megraud , Francis K L Chan , Joseph Jy Sung , Jaw-Town Lin , David Y Graham , Ming-Shiang Wu , Emad M El-Omar , Auteur inconnu

Predictors for regression and progression of intestinal metaplasia (IM): A large population-based study from low prevalence area of gastric cancer (IM-predictor trial).

PloS one

Avec: Natsuda Aumpan , Ratha-Korn Vilaichone , Bubpha Pornthisarn , Soonthorn Chonprasertsuk , Sith Siramolpiwat , Patommatat Bhanthumkomol , Pongjarat Nunanan , Navapan Issariyakulkarn , Sarita Ratana-Amornpin , Muhammad Miftahussurur , Varocha Mahachai , Yoshio Yamaoka

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.

International journal of women's health

Avec: Sarita Ratana-Amornpin , Ratha-Korn Vilaichone , Muhammad Miftahussurur , Natsuda Aumpan , Kittipong Kaewkarnjanarat , Pongjarat Nun-Anan , Soonthorn Chonprasertsuk , Sith Siramolpiwat , Patommatat Bhanthumkomol , Bubpha Pornthisarn , Tomohisa Uchida , Varocha Mahachai

Kyoto international consensus report on anatomy, pathophysiology and clinical significance of the gastro-oesophageal junction.

Gut

Avec: Kentaro Sugano , Stuart Jon Spechler , Emad M El-Omar , Kenneth E L McColl , Kaiyo Takubo , Takuji Gotoda , Mitsuhiro Fujishiro , Katsunori Iijima , Haruhiro Inoue , Takashi Kawai , Yoshikazu Kinoshita , Hiroto Miwa , Ken-Ichi Mukaisho , Kazunari Murakami , Yasuyuki Seto , Hisao Tajiri , Shobna Bhatia , Myung-Gyu Choi , Rebecca C Fitzgerald , Kwong Ming Fock , Khean-Lee Goh , Khek Yu Ho , Varocha Mahachai , Maria O'Donovan , Robert Odze , Richard Peek , Massimo Rugge , Prateek Sharma , Jose D Sollano , Michael Vieth , Justin Wu , Ming-Shiang Wu , Duowu Zou , Michio Kaminishi , Peter Malfertheiner

Réseau de co-auteurs

Ratha-Korn Vilaichone 16 collaborations

Yoshio Yamaoka 11 collaborations

Natsuda Aumpan 10 collaborations

Sith Siramolpiwat 7 collaborations

Muhammad Miftahussurur 6 collaborations

Thawee Ratanachu-Ek 6 collaborations

Bubpha Pornthisarn 6 collaborations

Patommatat Bhanthumkomol 6 collaborations

Tomohisa Uchida 5 collaborations

Soonthorn Chonprasertsuk 5 collaborations

Lotay Tshering 4 collaborations

Navapan Issariyakulkarn 4 collaborations

Langgeng Agung Waskito 3 collaborations

Hafeza Aftab 3 collaborations

Ari Fahrial Syam 3 collaborations

Dalla Doohan 3 collaborations

Sarita Ratana-Amornpin 3 collaborations

Rapat Pittayanon 3 collaborations

Pongjarat Nunanan 3 collaborations

Kentaro Sugano 3 collaborations

Phawinee Subsomwong 2 collaborations

Yudith Annisa Ayu Rezkitha 2 collaborations

Kartika Afrida Fauzia 2 collaborations

Junko Akada 2 collaborations

Yuichi Matsuo 2 collaborations

Than Than Yee 2 collaborations

Kyaw Htet 2 collaborations

Takeshi Matsuhisa 2 collaborations

Kazunari Murakami 2 collaborations

David Y Graham 2 collaborations

Somchai Leelakusolvong 2 collaborations

Uayporn Kaosombatwattana 2 collaborations

Chalermrat Bunchorntavakul 2 collaborations

Monthira Maneerattanaporn 2 collaborations

Wanich Piyanirun 2 collaborations

Jose D Sollano 2 collaborations

Peranart Chotivitayatarakorn 2 collaborations

Chun-Ying Wu 2 collaborations

Francis K L Chan 2 collaborations

Pornpen Gamnarai 2 collaborations

Peter Malfertheiner 2 collaborations

Khean-Lee Goh 2 collaborations

Takuji Gotoda 2 collaborations

Ming-Shiang Wu 2 collaborations

Emad M El-Omar 2 collaborations

Iswan Abbas Nusi 1 collaboration

Gontar Siregar 1 collaboration

Evariste Tshibangu-Kabamba 1 collaboration

Vo Phuoc Tuan 1 collaboration

Shusaku Kurogi 1 collaboration

Shamshul Ansari 1 collaboration

Bui Hoang Phuc 1 collaboration

Tran Thanh Binh 1 collaboration

Lam Tung Nguyen 1 collaboration

Vu Van Khien 1 collaboration

Ho Dang Quy Dung 1 collaboration

Pradeep Krishna Shrestha 1 collaboration

Tadayoshi Okimoto 1 collaboration

Kazuhiro Mizukami 1 collaboration

Masaaki Kodama 1 collaboration

Naohiko Takahashi 1 collaboration

Likasith Sanglutong 1 collaboration

Thanee Eiamsitrakoon 1 collaboration

Jarin Rojborwonwitaya 1 collaboration

Sombat Treeprasertsuk 1 collaboration

Pisaln Mairiang 1 collaboration

Supphamat Chirnaksorn 1 collaboration

Taned Chitapanarux 1 collaboration

Jaksin Sottisuporn 1 collaboration

Inchaya Sansak 1 collaboration

Pochamana Phisalprapa 1 collaboration

Surapon Chuenrattanakul 1 collaboration

Suriya Chakkaphak 1 collaboration

Rattana Boonsirichan 1 collaboration

Olarn Wiwattanachang 1 collaboration

Tanisa Patcharatrakul 1 collaboration

Siam Sirinthornpanya 1 collaboration

Panyavee Pitisuttithum 1 collaboration

Asawin Sudcharoen 1 collaboration

Kawin Tangvoraphongchai 1 collaboration

Reawika Chaikomin 1 collaboration

Kamin Harinwan 1 collaboration

Karjpong Techathuvanan 1 collaboration

Sawangpong Jandee 1 collaboration

Phuripong Kijdamrongthum 1 collaboration

Anupong Tangaroonsanti 1 collaboration

Kulthep Rattanakovit 1 collaboration

Sakkarin Chirapongsathorn 1 collaboration

Sutep Gonlachanvit 1 collaboration

Surapol Surangsrirat 1 collaboration

Duangporn Werawatganon 1 collaboration

Kitti Chunlertrith 1 collaboration

Boonyaorn Chatrangsun 1 collaboration

Duc Trong Quach 1 collaboration

Mai Ngoc Luu 1 collaboration

Yeong Yeh Lee 1 collaboration

Tiing Leong Ang 1 collaboration

Than Than Aye 1 collaboration

Dewi Norwani Basir 1 collaboration

Ky Vutha 1 collaboration

Sengdao Vannarath 1 collaboration

Yasutoshi Kido 1 collaboration

Jeerayuth Auttajaroon 1 collaboration

Panida Piyachaturawat 1 collaboration

Rungsun Rerknimitr 1 collaboration

Piyapan Prueksapanich 1 collaboration

Supakarn Chaitongrat 1 collaboration

Vorarit Lertsuwunseri 1 collaboration

Suphot Srimahachota 1 collaboration

Virunpat Vilaichone 1 collaboration

Arti Wongcha-Um 1 collaboration

Siew C Ng 1 collaboration

Michael A Kamm 1 collaboration

Yun Kit Yeoh 1 collaboration

Paul K S Chan 1 collaboration

Tao Zuo 1 collaboration

Whitney Tang 1 collaboration

Ajit Sood 1 collaboration

Akira Andoh 1 collaboration

Naoki Ohmiya 1 collaboration

Yongjian Zhou 1 collaboration

Choon Jin Ooi 1 collaboration

Faming Zhang 1 collaboration

Soonthorn Cholprasertsuk 1 collaboration

Amornnivit Kanokwanvimol 1 collaboration

David Graham 1 collaboration

Phubordee Bongkotvirawan 1 collaboration

Pongjarat Nunanun 1 collaboration

Kammal Kumar Pawa 1 collaboration

Tomahisa Uchida 1 collaboration

Likhasit Sanglutong 1 collaboration

Jyh-Ming Liou 1 collaboration

Yi-Chia Lee 1 collaboration

Bor-Shyang Sheu 1 collaboration

Hsiu-Chi Cheng 1 collaboration

Khay-Guan Yeoh 1 collaboration

Ping-I Hsu 1 collaboration

Wei-Lun Chang 1 collaboration

Mei-Jyh Chen 1 collaboration

Tsung-Hsien Chiang 1 collaboration

Chieh-Chang Chen 1 collaboration

Alex Hwong-Ruey Leow 1 collaboration

Jeng-Yih Wu 1 collaboration

Deng-Chyang Wu 1 collaboration

Tzu-Chan Hong 1 collaboration

Hong Lu 1 collaboration

Francis Megraud 1 collaboration

Joseph Jy Sung 1 collaboration

Jaw-Town Lin 1 collaboration

None None 1 collaboration

Kittipong Kaewkarnjanarat 1 collaboration

Pongjarat Nun-Anan 1 collaboration

Stuart Jon Spechler 1 collaboration

Kenneth E L McColl 1 collaboration

Kaiyo Takubo 1 collaboration

Mitsuhiro Fujishiro 1 collaboration

Katsunori Iijima 1 collaboration

Haruhiro Inoue 1 collaboration

Takashi Kawai 1 collaboration

Yoshikazu Kinoshita 1 collaboration

Hiroto Miwa 1 collaboration

Ken-Ichi Mukaisho 1 collaboration

Yasuyuki Seto 1 collaboration

Hisao Tajiri 1 collaboration

Shobna Bhatia 1 collaboration

Myung-Gyu Choi 1 collaboration

Rebecca C Fitzgerald 1 collaboration

Kwong Ming Fock 1 collaboration

Khek Yu Ho 1 collaboration

Maria O'Donovan 1 collaboration

Robert Odze 1 collaboration

Richard Peek 1 collaboration

Massimo Rugge 1 collaboration

Prateek Sharma 1 collaboration

Michael Vieth 1 collaboration

Justin Wu 1 collaboration

Duowu Zou 1 collaboration

Michio Kaminishi 1 collaboration