1.How to Achieve Diversity, Equity, and Inclusion in The Korean Society of Gastroenterology?
Nayoung KIM ; Kwangwoo NAM ; Ki-Nam SHIM ; Hyo Jung KIM ; Su Youn NAM ; Sae Kyung JOO ; Seun Ja PARK ; Yonghoon CHOI ; Yoon Ju JUNG ; Yong Sung KIM ; Ja Kyung KIM ; Seon Mee PARK
The Korean Journal of Gastroenterology 2025;85(1):22-30
		                        		
		                        			
		                        			 With the increasing emphasis on diversity, equity, and inclusion (DEI) in organizations and institutions, academic societies in gastroenterology and hepatology are beginning to take actionable steps toward achieving DEI. The successful implementation of DEI initiatives leads to excellence in the field, improved patient outcomes, particularly in areas where health disparities are prevalent, and advances in the gastrointestinal discipline. Such implementation also results in a workforce that better reflects the growing diversity of the population. This review defines DEI and introduces the DEI policies and strategies adopted by the academic societies of gastroenterology in other countries. This paper proposes strategies to integrate DEI better into the Korean Society of Gastroenterology, emphasizing the importance of embedding DEI into the culture and strategic framework. The key strategies include establishing a DEI committee, setting clear targets, and conducting formal assessments to measure DEI progress. This study focused on enhancing workforce diversity, particularly among women and young doctors, and advocates for the need to support their academic development through male allyship and the promotion of equitable and inclusive academic cultures. 
		                        		
		                        		
		                        		
		                        	
2.Randomized Multicenter Study to Evaluate the Efficacy and Safety of Fexuprazan According to the Timing of Dosing in Patients With Erosive Esophagitis
Sang Pyo LEE ; In-Kyung SUNG ; Oh Young LEE ; Myung-Gyu CHOI ; Kyu Chan HUH ; Jae-Young JANG ; Hoon Jai CHUN ; Joong-Goo KWON ; Gwang Ha KIM ; Nayoung KIM ; Poong-Lyul RHEE ; Sang Gyun KIM ; Hwoon-Yong JUNG ; Joon Seong LEE ; Yong Chan LEE ; Hye-Kyung JUNG ; Jae Gyu KIM ; Sung Kook KIM ; Chong-il SOHN
Journal of Neurogastroenterology and Motility 2025;31(1):86-94
		                        		
		                        			 Background/Aims:
		                        			Fexuprazan, a novel potassium-competitive acid blocker, was developed for treating acid-related disorders. Pharmacokinetic and pharmacodynamic properties of fexuprazan, unlike those of proton pump inhibitors, are independent of food effect. This study aims to evaluate differences in efficacy and safety of fexuprazan in patients with erosive esophagitis (EE) according to the timing of dosing. 
		                        		
		                        			Methods:
		                        			In this multicenter, open-label noninferiority study, patients who had typical reflux symptoms with endoscopically confirmed EE were randomized 1:1 to receive fexuprazan 40 mg daily 30 minutes before or after meal. Treatment was completed after 2 weeks or 4 weeks when healing was endoscopically confirmed. The primary endpoint was the proportion of patients with healed EE confirmed by endoscopy up to week 4. Safety endpoints included treatment-emergent adverse events (TEAEs). 
		                        		
		                        			Results:
		                        			In the prior-to-meal group (n = 89) and after-meal group (n = 86), 4-week EE healing rates were 98.77% and 100.00% (difference, 0.01%; 95% CI, –0.01% to 0.04%) and 2-week EE healing rates were 95.77% and 97.14% (difference, 0.01%; 95% CI, –0.05% to 0.07%), respectively. TEAEs were 9.78% and 8.70% in the prior-to-meal group and the after-meal group, respectively. 
		                        		
		                        			Conclusions
		                        			Non-inferiority analysis revealed that taking fexuprazan after meal was non-inferior to taking fexuprazan before meals in patients with EE. The frequency of adverse events was similar between the 2 study groups. The drug is safe and effective for healing EE regardless of the timing of dosing. 
		                        		
		                        		
		                        		
		                        	
3.How to Achieve Diversity, Equity, and Inclusion in The Korean Society of Gastroenterology?
Nayoung KIM ; Kwangwoo NAM ; Ki-Nam SHIM ; Hyo Jung KIM ; Su Youn NAM ; Sae Kyung JOO ; Seun Ja PARK ; Yonghoon CHOI ; Yoon Ju JUNG ; Yong Sung KIM ; Ja Kyung KIM ; Seon Mee PARK
The Korean Journal of Gastroenterology 2025;85(1):22-30
		                        		
		                        			
		                        			 With the increasing emphasis on diversity, equity, and inclusion (DEI) in organizations and institutions, academic societies in gastroenterology and hepatology are beginning to take actionable steps toward achieving DEI. The successful implementation of DEI initiatives leads to excellence in the field, improved patient outcomes, particularly in areas where health disparities are prevalent, and advances in the gastrointestinal discipline. Such implementation also results in a workforce that better reflects the growing diversity of the population. This review defines DEI and introduces the DEI policies and strategies adopted by the academic societies of gastroenterology in other countries. This paper proposes strategies to integrate DEI better into the Korean Society of Gastroenterology, emphasizing the importance of embedding DEI into the culture and strategic framework. The key strategies include establishing a DEI committee, setting clear targets, and conducting formal assessments to measure DEI progress. This study focused on enhancing workforce diversity, particularly among women and young doctors, and advocates for the need to support their academic development through male allyship and the promotion of equitable and inclusive academic cultures. 
		                        		
		                        		
		                        		
		                        	
4.How to Achieve Diversity, Equity, and Inclusion in The Korean Society of Gastroenterology?
Nayoung KIM ; Kwangwoo NAM ; Ki-Nam SHIM ; Hyo Jung KIM ; Su Youn NAM ; Sae Kyung JOO ; Seun Ja PARK ; Yonghoon CHOI ; Yoon Ju JUNG ; Yong Sung KIM ; Ja Kyung KIM ; Seon Mee PARK
The Korean Journal of Gastroenterology 2025;85(1):22-30
		                        		
		                        			
		                        			 With the increasing emphasis on diversity, equity, and inclusion (DEI) in organizations and institutions, academic societies in gastroenterology and hepatology are beginning to take actionable steps toward achieving DEI. The successful implementation of DEI initiatives leads to excellence in the field, improved patient outcomes, particularly in areas where health disparities are prevalent, and advances in the gastrointestinal discipline. Such implementation also results in a workforce that better reflects the growing diversity of the population. This review defines DEI and introduces the DEI policies and strategies adopted by the academic societies of gastroenterology in other countries. This paper proposes strategies to integrate DEI better into the Korean Society of Gastroenterology, emphasizing the importance of embedding DEI into the culture and strategic framework. The key strategies include establishing a DEI committee, setting clear targets, and conducting formal assessments to measure DEI progress. This study focused on enhancing workforce diversity, particularly among women and young doctors, and advocates for the need to support their academic development through male allyship and the promotion of equitable and inclusive academic cultures. 
		                        		
		                        		
		                        		
		                        	
5.Randomized Multicenter Study to Evaluate the Efficacy and Safety of Fexuprazan According to the Timing of Dosing in Patients With Erosive Esophagitis
Sang Pyo LEE ; In-Kyung SUNG ; Oh Young LEE ; Myung-Gyu CHOI ; Kyu Chan HUH ; Jae-Young JANG ; Hoon Jai CHUN ; Joong-Goo KWON ; Gwang Ha KIM ; Nayoung KIM ; Poong-Lyul RHEE ; Sang Gyun KIM ; Hwoon-Yong JUNG ; Joon Seong LEE ; Yong Chan LEE ; Hye-Kyung JUNG ; Jae Gyu KIM ; Sung Kook KIM ; Chong-il SOHN
Journal of Neurogastroenterology and Motility 2025;31(1):86-94
		                        		
		                        			 Background/Aims:
		                        			Fexuprazan, a novel potassium-competitive acid blocker, was developed for treating acid-related disorders. Pharmacokinetic and pharmacodynamic properties of fexuprazan, unlike those of proton pump inhibitors, are independent of food effect. This study aims to evaluate differences in efficacy and safety of fexuprazan in patients with erosive esophagitis (EE) according to the timing of dosing. 
		                        		
		                        			Methods:
		                        			In this multicenter, open-label noninferiority study, patients who had typical reflux symptoms with endoscopically confirmed EE were randomized 1:1 to receive fexuprazan 40 mg daily 30 minutes before or after meal. Treatment was completed after 2 weeks or 4 weeks when healing was endoscopically confirmed. The primary endpoint was the proportion of patients with healed EE confirmed by endoscopy up to week 4. Safety endpoints included treatment-emergent adverse events (TEAEs). 
		                        		
		                        			Results:
		                        			In the prior-to-meal group (n = 89) and after-meal group (n = 86), 4-week EE healing rates were 98.77% and 100.00% (difference, 0.01%; 95% CI, –0.01% to 0.04%) and 2-week EE healing rates were 95.77% and 97.14% (difference, 0.01%; 95% CI, –0.05% to 0.07%), respectively. TEAEs were 9.78% and 8.70% in the prior-to-meal group and the after-meal group, respectively. 
		                        		
		                        			Conclusions
		                        			Non-inferiority analysis revealed that taking fexuprazan after meal was non-inferior to taking fexuprazan before meals in patients with EE. The frequency of adverse events was similar between the 2 study groups. The drug is safe and effective for healing EE regardless of the timing of dosing. 
		                        		
		                        		
		                        		
		                        	
6.How to Achieve Diversity, Equity, and Inclusion in The Korean Society of Gastroenterology?
Nayoung KIM ; Kwangwoo NAM ; Ki-Nam SHIM ; Hyo Jung KIM ; Su Youn NAM ; Sae Kyung JOO ; Seun Ja PARK ; Yonghoon CHOI ; Yoon Ju JUNG ; Yong Sung KIM ; Ja Kyung KIM ; Seon Mee PARK
The Korean Journal of Gastroenterology 2025;85(1):22-30
		                        		
		                        			
		                        			 With the increasing emphasis on diversity, equity, and inclusion (DEI) in organizations and institutions, academic societies in gastroenterology and hepatology are beginning to take actionable steps toward achieving DEI. The successful implementation of DEI initiatives leads to excellence in the field, improved patient outcomes, particularly in areas where health disparities are prevalent, and advances in the gastrointestinal discipline. Such implementation also results in a workforce that better reflects the growing diversity of the population. This review defines DEI and introduces the DEI policies and strategies adopted by the academic societies of gastroenterology in other countries. This paper proposes strategies to integrate DEI better into the Korean Society of Gastroenterology, emphasizing the importance of embedding DEI into the culture and strategic framework. The key strategies include establishing a DEI committee, setting clear targets, and conducting formal assessments to measure DEI progress. This study focused on enhancing workforce diversity, particularly among women and young doctors, and advocates for the need to support their academic development through male allyship and the promotion of equitable and inclusive academic cultures. 
		                        		
		                        		
		                        		
		                        	
7.Randomized Multicenter Study to Evaluate the Efficacy and Safety of Fexuprazan According to the Timing of Dosing in Patients With Erosive Esophagitis
Sang Pyo LEE ; In-Kyung SUNG ; Oh Young LEE ; Myung-Gyu CHOI ; Kyu Chan HUH ; Jae-Young JANG ; Hoon Jai CHUN ; Joong-Goo KWON ; Gwang Ha KIM ; Nayoung KIM ; Poong-Lyul RHEE ; Sang Gyun KIM ; Hwoon-Yong JUNG ; Joon Seong LEE ; Yong Chan LEE ; Hye-Kyung JUNG ; Jae Gyu KIM ; Sung Kook KIM ; Chong-il SOHN
Journal of Neurogastroenterology and Motility 2025;31(1):86-94
		                        		
		                        			 Background/Aims:
		                        			Fexuprazan, a novel potassium-competitive acid blocker, was developed for treating acid-related disorders. Pharmacokinetic and pharmacodynamic properties of fexuprazan, unlike those of proton pump inhibitors, are independent of food effect. This study aims to evaluate differences in efficacy and safety of fexuprazan in patients with erosive esophagitis (EE) according to the timing of dosing. 
		                        		
		                        			Methods:
		                        			In this multicenter, open-label noninferiority study, patients who had typical reflux symptoms with endoscopically confirmed EE were randomized 1:1 to receive fexuprazan 40 mg daily 30 minutes before or after meal. Treatment was completed after 2 weeks or 4 weeks when healing was endoscopically confirmed. The primary endpoint was the proportion of patients with healed EE confirmed by endoscopy up to week 4. Safety endpoints included treatment-emergent adverse events (TEAEs). 
		                        		
		                        			Results:
		                        			In the prior-to-meal group (n = 89) and after-meal group (n = 86), 4-week EE healing rates were 98.77% and 100.00% (difference, 0.01%; 95% CI, –0.01% to 0.04%) and 2-week EE healing rates were 95.77% and 97.14% (difference, 0.01%; 95% CI, –0.05% to 0.07%), respectively. TEAEs were 9.78% and 8.70% in the prior-to-meal group and the after-meal group, respectively. 
		                        		
		                        			Conclusions
		                        			Non-inferiority analysis revealed that taking fexuprazan after meal was non-inferior to taking fexuprazan before meals in patients with EE. The frequency of adverse events was similar between the 2 study groups. The drug is safe and effective for healing EE regardless of the timing of dosing. 
		                        		
		                        		
		                        		
		                        	
8.How to Achieve Diversity, Equity, and Inclusion in The Korean Society of Gastroenterology?
Nayoung KIM ; Kwangwoo NAM ; Ki-Nam SHIM ; Hyo Jung KIM ; Su Youn NAM ; Sae Kyung JOO ; Seun Ja PARK ; Yonghoon CHOI ; Yoon Ju JUNG ; Yong Sung KIM ; Ja Kyung KIM ; Seon Mee PARK
The Korean Journal of Gastroenterology 2025;85(1):22-30
		                        		
		                        			
		                        			 With the increasing emphasis on diversity, equity, and inclusion (DEI) in organizations and institutions, academic societies in gastroenterology and hepatology are beginning to take actionable steps toward achieving DEI. The successful implementation of DEI initiatives leads to excellence in the field, improved patient outcomes, particularly in areas where health disparities are prevalent, and advances in the gastrointestinal discipline. Such implementation also results in a workforce that better reflects the growing diversity of the population. This review defines DEI and introduces the DEI policies and strategies adopted by the academic societies of gastroenterology in other countries. This paper proposes strategies to integrate DEI better into the Korean Society of Gastroenterology, emphasizing the importance of embedding DEI into the culture and strategic framework. The key strategies include establishing a DEI committee, setting clear targets, and conducting formal assessments to measure DEI progress. This study focused on enhancing workforce diversity, particularly among women and young doctors, and advocates for the need to support their academic development through male allyship and the promotion of equitable and inclusive academic cultures. 
		                        		
		                        		
		                        		
		                        	
9.Evaluation of the Efficacy and Safety of DW1903 in Patients with Gastritis: A Randomized, Double-Blind, Noninferiority, Multicenter, Phase 3 study
Jie-Hyun KIM ; Hwoon-Yong JUNG ; In Kyung YOO ; Seon-Young PARK ; Jae Gyu KIM ; Jae Kyu SUNG ; Jin Seok JANG ; Gab Jin CHEON ; Kyoung Oh KIM ; Tae Oh KIM ; Soo Teik LEE ; Kwang Bum CHO ; Hoon Jai CHUN ; Jong-Jae PARK ; Moo In PARK ; Jae-Young JANG ; Seong Woo JEON ; Jin Woong CHO ; Dae Hwan KANG ; Gwang Ha KIM ; Jae J. KIM ; Sang Gyun KIM ; Nayoung KIM ; Yong Chan LEE ; Su Jin HONG ; Hyun-Soo KIM ; Sora LEE ; Sang Woo LEE
Gut and Liver 2024;18(1):70-76
		                        		
		                        			 Background/Aims:
		                        			H2 receptor antagonists (H2RA) have been used to treat gastritis by inhibiting gastric acid. Proton pump inhibitors (PPIs) are more potent acid suppressants than H2RA.However, the efficacy and safety of low-dose PPI for treating gastritis remain unclear. The aim was to investigate the efficacy and safety of low-dose PPI for treating gastritis. 
		                        		
		                        			Methods:
		                        			A double-blind, noninferiority, multicenter, phase 3 clinical trial randomly assigned 476 patients with endoscopic erosive gastritis to a group using esomeprazole 10 mg (DW1903) daily and a group using famotidine 20 mg (DW1903R1) daily for 2 weeks. The full-analysis set included 319 patients (DW1903, n=159; DW1903R1, n=160) and the per-protocol set included 298 patients (DW1903, n=147; DW1903R1, n=151). The primary endpoint (erosion improvement rate) and secondary endpoint (erosion and edema cure rates, improvement rates of hemorrhage, erythema, and symptoms) were assessed after the treatment. Adverse events were compared. 
		                        		
		                        			Results:
		                        			According to the full-analysis set, the erosion improvement rates in the DW1903 and DW1903R1 groups were 59.8% and 58.8%, respectively. According to the per-protocol analysis, the erosion improvement rates in the DW1903 and DW1903R1 groups were 61.9% and 59.6%, respectively. Secondary endpoints were not significantly different between two groups except that the hemorrhagic improvement rate was higher in DW1903 with statistical tendency. The number of adverse events were not statistically different. 
		                        		
		                        			Conclusions
		                        			DW1903 of a low-dose PPI was not inferior to DW1903R1 of H2RA. Thus, lowdose PPI can be a novel option for treating gastritis (ClinicalTrials.gov Identifier: NCT05163756). 
		                        		
		                        		
		                        		
		                        	
10.Risk Factors of Pneumocystis jirovecii Pneumonia in Patients with Inflammatory Bowel Disease: A Nationwide Population-Based Study
Jiyoung YOON ; Seung Wook HONG ; Kyung-Do HAN ; Seung-Woo LEE ; Cheol Min SHIN ; Young Soo PARK ; Nayoung KIM ; Dong Ho LEE ; Joo Sung KIM ; Hyuk YOON
Gut and Liver 2024;18(3):489-497
		                        		
		                        			 Background/Aims:
		                        			Pneumocystis jirovecii  pneumonia (PJP) is a rare but potentially fatal infection. This study was conducted to investigate the risk factors for PJP in inflammatory bowel disease (IBD) patients. 
		                        		
		                        			Methods:
		                        			This nationwide, population-based study was conducted in Korea using claims data.Cases of PJP were identified in patients diagnosed with ulcerative colitis (UC) or Crohn’s disease (CD) between 2010 and 2017, and the clinical data of each patient was analyzed. Dual and triple therapy was defined as the simultaneous prescription of two or three of the following drugs: steroids, calcineurin inhibitors, immunomodulators, and biologics. 
		                        		
		                        			Results:
		                        			During the mean follow-up period (4.6±2.3 years), 84 cases of PJP were identified in 39,462 IBD patients (31 CD and 53 UC). For CD patients, only age at diagnosis >40 years (hazard ratio [HR], 6.12; 95% confidence interval [CI], 1.58 to 23.80) was significantly associated with the risk of PJP, whereas in UC patients, diagnoses of diabetes (HR, 2.51; 95% CI, 1.19 to 5.31) and chronic obstructive pulmonary disease (HR, 3.41; 95% CI, 1.78 to 6.52) showed significant associations with PJP risk. Triple therapy increased PJP risk in both UC (HR, 3.90; 95% CI, 1.54 to 9.88) and CD patients (HR, 5.69; 95% CI, 2.32 to 14.48). However, dual therapy increased PJP risk only in UC patients (HR, 2.53; 95% CI, 1.36 to 4.70). Additionally, 23 patients (27%) received intensive care treatment, and 10 (12%) died within 30 days. 
		                        		
		                        			Conclusions
		                        			PJP risk factors differ in CD and UC patients. Considering the potential fatality of PJP, prophylaxis should be considered for at-risk IBD patients 
		                        		
		                        		
		                        		
		                        	
            
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