1.High-Dose Rifampicin for 3 Months after Culture Conversion for Drug-Susceptible Pulmonary Tuberculosis
Nakwon KWAK ; Joong-Yub KIM ; Hyung-Jun KIM ; Byoung-Soo KWON ; Jae Ho LEE ; Jeongha MOK ; Yong-Soo KWON ; Young Ae KANG ; Youngmok PARK ; Ji Yeon LEE ; Doosoo JEON ; Jung-Kyu LEE ; Jeong Seong YANG ; Jake WHANG ; Kyung Jong KIM ; Young Ran KIM ; Minkyoung CHEON ; Jiwon PARK ; Seokyung HAHN ; Jae-Joon YIM
Tuberculosis and Respiratory Diseases 2025;88(1):170-180
		                        		
		                        			 Background:
		                        			This study aimed to determine whether a shorter high-dose rifampicin regimen is non-inferior to the standard 6-month tuberculosis regimen. 
		                        		
		                        			Methods:
		                        			This multicenter, randomized, open-label, non-inferiority trial enrolled participants with respiratory specimen positivity by Xpert MTB/RIF assay or Mycobacterium tuberculosis culture without rifampicin-resistance. Participants were randomized at 1:1 to the investigational or control group. The investigational group received high-dose rifampicin (30 mg/kg/day), isoniazid, and pyrazinamide until culture conversion, followed by high-dose rifampicin and isoniazid for 12 weeks. The control group received the standard 6-month regimen. The primary outcome was the rate of unfavorable outcomes at 18 months post-randomization. The non-inferiority margin was set at <6% difference in unfavorable outcomes rates. The study is registered with ClinicalTrials.gov (NCT04485156) 
		                        		
		                        			Results:
		                        			Between 4 November 2020 and 3 January 2022, 76 participants were enrolled. Of these, 58 were included in the modified intention-to-treat analysis. Unfavorable outcomes occurred in 10 (31.3%) of 32 in the control group and 10 (38.5%) of 26 in the investigational group. The difference was 7.2% (95% confidence interval, ∞ to 31.9%), failing to prove non-inferiority. Serious adverse events and grade 3 or higher adverse events did not differ between the groups. 
		                        		
		                        			Conclusion
		                        			The shorter high-dose rifampicin regimen failed to demonstrate non-inferiority but had an acceptable safety profile. 
		                        		
		                        		
		                        		
		                        	
2.Intraoperative Language Area Mapping:Cortico-Cortical Evoked Potential
Tae-Min CHEON ; Soo-Hyun YOON ; Myoung-Jeong KIM ; Kyung-Min KIM
Brain Tumor Research and Treatment 2025;13(2):39-44
		                        		
		                        			
		                        			 Since the cortico-cortical evoked potential (CCEP) was first introduced in 2004, CCEP monitoring has been utilized in various types of brain surgery to achieve maximal safe resection (MSR). MSR is the primary goal in improving the prognosis of glioma; however, this is particularly challenging when the tumor is located around eloquent areas. Since the complexity of the language network system makes it more difficult to achieve MSR, language area mapping is essential when tumors are located around these areas. Awake surgery has been the gold standard for intraoperative language area mapping.However, awake craniotomy is not always feasible due to various clinical and patient-related factors.CCEP monitoring has emerged as a promising alternative for intraoperative language function assessment under general anesthesia to overcome the limitations of awake surgery. This review aims to summarize the current evidence on CCEP-guided surgery, focusing on its effectiveness in preserving language function. 
		                        		
		                        		
		                        		
		                        	
3.High-Dose Rifampicin for 3 Months after Culture Conversion for Drug-Susceptible Pulmonary Tuberculosis
Nakwon KWAK ; Joong-Yub KIM ; Hyung-Jun KIM ; Byoung-Soo KWON ; Jae Ho LEE ; Jeongha MOK ; Yong-Soo KWON ; Young Ae KANG ; Youngmok PARK ; Ji Yeon LEE ; Doosoo JEON ; Jung-Kyu LEE ; Jeong Seong YANG ; Jake WHANG ; Kyung Jong KIM ; Young Ran KIM ; Minkyoung CHEON ; Jiwon PARK ; Seokyung HAHN ; Jae-Joon YIM
Tuberculosis and Respiratory Diseases 2025;88(1):170-180
		                        		
		                        			 Background:
		                        			This study aimed to determine whether a shorter high-dose rifampicin regimen is non-inferior to the standard 6-month tuberculosis regimen. 
		                        		
		                        			Methods:
		                        			This multicenter, randomized, open-label, non-inferiority trial enrolled participants with respiratory specimen positivity by Xpert MTB/RIF assay or Mycobacterium tuberculosis culture without rifampicin-resistance. Participants were randomized at 1:1 to the investigational or control group. The investigational group received high-dose rifampicin (30 mg/kg/day), isoniazid, and pyrazinamide until culture conversion, followed by high-dose rifampicin and isoniazid for 12 weeks. The control group received the standard 6-month regimen. The primary outcome was the rate of unfavorable outcomes at 18 months post-randomization. The non-inferiority margin was set at <6% difference in unfavorable outcomes rates. The study is registered with ClinicalTrials.gov (NCT04485156) 
		                        		
		                        			Results:
		                        			Between 4 November 2020 and 3 January 2022, 76 participants were enrolled. Of these, 58 were included in the modified intention-to-treat analysis. Unfavorable outcomes occurred in 10 (31.3%) of 32 in the control group and 10 (38.5%) of 26 in the investigational group. The difference was 7.2% (95% confidence interval, ∞ to 31.9%), failing to prove non-inferiority. Serious adverse events and grade 3 or higher adverse events did not differ between the groups. 
		                        		
		                        			Conclusion
		                        			The shorter high-dose rifampicin regimen failed to demonstrate non-inferiority but had an acceptable safety profile. 
		                        		
		                        		
		                        		
		                        	
4.High-Dose Rifampicin for 3 Months after Culture Conversion for Drug-Susceptible Pulmonary Tuberculosis
Nakwon KWAK ; Joong-Yub KIM ; Hyung-Jun KIM ; Byoung-Soo KWON ; Jae Ho LEE ; Jeongha MOK ; Yong-Soo KWON ; Young Ae KANG ; Youngmok PARK ; Ji Yeon LEE ; Doosoo JEON ; Jung-Kyu LEE ; Jeong Seong YANG ; Jake WHANG ; Kyung Jong KIM ; Young Ran KIM ; Minkyoung CHEON ; Jiwon PARK ; Seokyung HAHN ; Jae-Joon YIM
Tuberculosis and Respiratory Diseases 2025;88(1):170-180
		                        		
		                        			 Background:
		                        			This study aimed to determine whether a shorter high-dose rifampicin regimen is non-inferior to the standard 6-month tuberculosis regimen. 
		                        		
		                        			Methods:
		                        			This multicenter, randomized, open-label, non-inferiority trial enrolled participants with respiratory specimen positivity by Xpert MTB/RIF assay or Mycobacterium tuberculosis culture without rifampicin-resistance. Participants were randomized at 1:1 to the investigational or control group. The investigational group received high-dose rifampicin (30 mg/kg/day), isoniazid, and pyrazinamide until culture conversion, followed by high-dose rifampicin and isoniazid for 12 weeks. The control group received the standard 6-month regimen. The primary outcome was the rate of unfavorable outcomes at 18 months post-randomization. The non-inferiority margin was set at <6% difference in unfavorable outcomes rates. The study is registered with ClinicalTrials.gov (NCT04485156) 
		                        		
		                        			Results:
		                        			Between 4 November 2020 and 3 January 2022, 76 participants were enrolled. Of these, 58 were included in the modified intention-to-treat analysis. Unfavorable outcomes occurred in 10 (31.3%) of 32 in the control group and 10 (38.5%) of 26 in the investigational group. The difference was 7.2% (95% confidence interval, ∞ to 31.9%), failing to prove non-inferiority. Serious adverse events and grade 3 or higher adverse events did not differ between the groups. 
		                        		
		                        			Conclusion
		                        			The shorter high-dose rifampicin regimen failed to demonstrate non-inferiority but had an acceptable safety profile. 
		                        		
		                        		
		                        		
		                        	
5.Intraoperative Language Area Mapping:Cortico-Cortical Evoked Potential
Tae-Min CHEON ; Soo-Hyun YOON ; Myoung-Jeong KIM ; Kyung-Min KIM
Brain Tumor Research and Treatment 2025;13(2):39-44
		                        		
		                        			
		                        			 Since the cortico-cortical evoked potential (CCEP) was first introduced in 2004, CCEP monitoring has been utilized in various types of brain surgery to achieve maximal safe resection (MSR). MSR is the primary goal in improving the prognosis of glioma; however, this is particularly challenging when the tumor is located around eloquent areas. Since the complexity of the language network system makes it more difficult to achieve MSR, language area mapping is essential when tumors are located around these areas. Awake surgery has been the gold standard for intraoperative language area mapping.However, awake craniotomy is not always feasible due to various clinical and patient-related factors.CCEP monitoring has emerged as a promising alternative for intraoperative language function assessment under general anesthesia to overcome the limitations of awake surgery. This review aims to summarize the current evidence on CCEP-guided surgery, focusing on its effectiveness in preserving language function. 
		                        		
		                        		
		                        		
		                        	
6.High-Dose Rifampicin for 3 Months after Culture Conversion for Drug-Susceptible Pulmonary Tuberculosis
Nakwon KWAK ; Joong-Yub KIM ; Hyung-Jun KIM ; Byoung-Soo KWON ; Jae Ho LEE ; Jeongha MOK ; Yong-Soo KWON ; Young Ae KANG ; Youngmok PARK ; Ji Yeon LEE ; Doosoo JEON ; Jung-Kyu LEE ; Jeong Seong YANG ; Jake WHANG ; Kyung Jong KIM ; Young Ran KIM ; Minkyoung CHEON ; Jiwon PARK ; Seokyung HAHN ; Jae-Joon YIM
Tuberculosis and Respiratory Diseases 2025;88(1):170-180
		                        		
		                        			 Background:
		                        			This study aimed to determine whether a shorter high-dose rifampicin regimen is non-inferior to the standard 6-month tuberculosis regimen. 
		                        		
		                        			Methods:
		                        			This multicenter, randomized, open-label, non-inferiority trial enrolled participants with respiratory specimen positivity by Xpert MTB/RIF assay or Mycobacterium tuberculosis culture without rifampicin-resistance. Participants were randomized at 1:1 to the investigational or control group. The investigational group received high-dose rifampicin (30 mg/kg/day), isoniazid, and pyrazinamide until culture conversion, followed by high-dose rifampicin and isoniazid for 12 weeks. The control group received the standard 6-month regimen. The primary outcome was the rate of unfavorable outcomes at 18 months post-randomization. The non-inferiority margin was set at <6% difference in unfavorable outcomes rates. The study is registered with ClinicalTrials.gov (NCT04485156) 
		                        		
		                        			Results:
		                        			Between 4 November 2020 and 3 January 2022, 76 participants were enrolled. Of these, 58 were included in the modified intention-to-treat analysis. Unfavorable outcomes occurred in 10 (31.3%) of 32 in the control group and 10 (38.5%) of 26 in the investigational group. The difference was 7.2% (95% confidence interval, ∞ to 31.9%), failing to prove non-inferiority. Serious adverse events and grade 3 or higher adverse events did not differ between the groups. 
		                        		
		                        			Conclusion
		                        			The shorter high-dose rifampicin regimen failed to demonstrate non-inferiority but had an acceptable safety profile. 
		                        		
		                        		
		                        		
		                        	
7.Intraoperative Language Area Mapping:Cortico-Cortical Evoked Potential
Tae-Min CHEON ; Soo-Hyun YOON ; Myoung-Jeong KIM ; Kyung-Min KIM
Brain Tumor Research and Treatment 2025;13(2):39-44
		                        		
		                        			
		                        			 Since the cortico-cortical evoked potential (CCEP) was first introduced in 2004, CCEP monitoring has been utilized in various types of brain surgery to achieve maximal safe resection (MSR). MSR is the primary goal in improving the prognosis of glioma; however, this is particularly challenging when the tumor is located around eloquent areas. Since the complexity of the language network system makes it more difficult to achieve MSR, language area mapping is essential when tumors are located around these areas. Awake surgery has been the gold standard for intraoperative language area mapping.However, awake craniotomy is not always feasible due to various clinical and patient-related factors.CCEP monitoring has emerged as a promising alternative for intraoperative language function assessment under general anesthesia to overcome the limitations of awake surgery. This review aims to summarize the current evidence on CCEP-guided surgery, focusing on its effectiveness in preserving language function. 
		                        		
		                        		
		                        		
		                        	
8.High-Dose Rifampicin for 3 Months after Culture Conversion for Drug-Susceptible Pulmonary Tuberculosis
Nakwon KWAK ; Joong-Yub KIM ; Hyung-Jun KIM ; Byoung-Soo KWON ; Jae Ho LEE ; Jeongha MOK ; Yong-Soo KWON ; Young Ae KANG ; Youngmok PARK ; Ji Yeon LEE ; Doosoo JEON ; Jung-Kyu LEE ; Jeong Seong YANG ; Jake WHANG ; Kyung Jong KIM ; Young Ran KIM ; Minkyoung CHEON ; Jiwon PARK ; Seokyung HAHN ; Jae-Joon YIM
Tuberculosis and Respiratory Diseases 2025;88(1):170-180
		                        		
		                        			 Background:
		                        			This study aimed to determine whether a shorter high-dose rifampicin regimen is non-inferior to the standard 6-month tuberculosis regimen. 
		                        		
		                        			Methods:
		                        			This multicenter, randomized, open-label, non-inferiority trial enrolled participants with respiratory specimen positivity by Xpert MTB/RIF assay or Mycobacterium tuberculosis culture without rifampicin-resistance. Participants were randomized at 1:1 to the investigational or control group. The investigational group received high-dose rifampicin (30 mg/kg/day), isoniazid, and pyrazinamide until culture conversion, followed by high-dose rifampicin and isoniazid for 12 weeks. The control group received the standard 6-month regimen. The primary outcome was the rate of unfavorable outcomes at 18 months post-randomization. The non-inferiority margin was set at <6% difference in unfavorable outcomes rates. The study is registered with ClinicalTrials.gov (NCT04485156) 
		                        		
		                        			Results:
		                        			Between 4 November 2020 and 3 January 2022, 76 participants were enrolled. Of these, 58 were included in the modified intention-to-treat analysis. Unfavorable outcomes occurred in 10 (31.3%) of 32 in the control group and 10 (38.5%) of 26 in the investigational group. The difference was 7.2% (95% confidence interval, ∞ to 31.9%), failing to prove non-inferiority. Serious adverse events and grade 3 or higher adverse events did not differ between the groups. 
		                        		
		                        			Conclusion
		                        			The shorter high-dose rifampicin regimen failed to demonstrate non-inferiority but had an acceptable safety profile. 
		                        		
		                        		
		                        		
		                        	
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.Hepatic Steatosis but Not Fibrosis Is Independently Associated with Poor Outcomes in Patients with Inflammatory Bowel Disease
Hye Kyung HYUN ; Hye Won LEE ; Jihye PARK ; Soo Jung PARK ; Jae Jun PARK ; Tae Il KIM ; Jae Seung LEE ; Beom Kyung KIM ; Jun Yong PARK ; Do Young KIM ; Sang Hoon AHN ; Seung Up KIM ; Jae Hee CHEON
Gut and Liver 2024;18(2):294-304
		                        		
		                        			 Background/Aims:
		                        			Increased prevalence of nonalcoholic fatty liver disease (NAFLD) and inflammatory bowel disease (IBD) has been reported. However, the effects of NAFLD on the outcome of IBD remains unclear. We investigated whether the presence of NAFLD could influence the outcomes of patients with IBD. 
		                        		
		                        			Methods:
		                        			We recruited 3,356 eligible patients with IBD into our study between November 2005and November 2020. Hepatic steatosis and fibrosis were diagnosed using hepatic steatosisindex of ≥30 and fibrosis-4 of ≥1.45, respectively. The primary outcome was clinical relapse, defined based on the following: IBD-related admission, surgery, or first use of corticosteroids, immunomodulators, or biologic agents for IBD. 
		                        		
		                        			Results:
		                        			The prevalence of NAFLD in patients with IBD was 16.7%. Patients with hepatic ste-atosis and advanced fibrosis were older, had a higher body mass index, and were more likely to have diabetes (all p<0.05). 
		                        		
		                        			Conclusions
		                        			Hepatic steatosis was independently associated with increased risks of clinical relapse in patients with ulcerative colitis and Crohn’s disease, whereas fibrotic burden in the liver was not. Future studies should investigate whether assessment and therapeutic intervention for NAFLD will improve the clinical outcomes of patients with IBD. 
		                        		
		                        		
		                        		
		                        	
            
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