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.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.
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.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.
6.Dementia Awareness, Educational Needs, and Caregiving Experience among Elderly Care Facility Workers: An Explanatory Sequential Mixed Methods Study
A-Ram LEE ; Kyung-Ae KIM ; Jin-Ha KIM ; Mi-Ran BANG
Korean Journal of Rehabilitation Nursing 2024;27(2):121-130
Purpose:
This study aimed to assess dementia awareness and educational needs among elderly care facility workers and to explore their experiences in caring for older adults with dementia through a mixed-methods approach.
Methods:
From May 1 to 31, 2023, 311 workers from dementia-related institutions in S City participated in a survey. Following the quantitative phase, 10 individuals participated in focus group interviews to further explore their experiences and needs. Quantitative data were analyzed using SPSS/WIN 25.0, and thematic analysis was applied to qualitative data.
Results:
The average dementia awareness score was 0.83±0.13 (out of 12), with the highest correct response rate (93%) in the "prevention and t reatment" category. The most requested education topics included managing "agitation and aggression" and improving "communication" skills. Qualitative analysis revealed two main themes with five subthemes, capturing staff experiences in dementia care and their perceived educational needs.
Conclusion
The findings highlight a strong demand for practical, structured training programs tailored to address behavioral management and communication challenges faced by facility staff.
7.Dementia Awareness, Educational Needs, and Caregiving Experience among Elderly Care Facility Workers: An Explanatory Sequential Mixed Methods Study
A-Ram LEE ; Kyung-Ae KIM ; Jin-Ha KIM ; Mi-Ran BANG
Korean Journal of Rehabilitation Nursing 2024;27(2):121-130
Purpose:
This study aimed to assess dementia awareness and educational needs among elderly care facility workers and to explore their experiences in caring for older adults with dementia through a mixed-methods approach.
Methods:
From May 1 to 31, 2023, 311 workers from dementia-related institutions in S City participated in a survey. Following the quantitative phase, 10 individuals participated in focus group interviews to further explore their experiences and needs. Quantitative data were analyzed using SPSS/WIN 25.0, and thematic analysis was applied to qualitative data.
Results:
The average dementia awareness score was 0.83±0.13 (out of 12), with the highest correct response rate (93%) in the "prevention and t reatment" category. The most requested education topics included managing "agitation and aggression" and improving "communication" skills. Qualitative analysis revealed two main themes with five subthemes, capturing staff experiences in dementia care and their perceived educational needs.
Conclusion
The findings highlight a strong demand for practical, structured training programs tailored to address behavioral management and communication challenges faced by facility staff.
8.Dementia Awareness, Educational Needs, and Caregiving Experience among Elderly Care Facility Workers: An Explanatory Sequential Mixed Methods Study
A-Ram LEE ; Kyung-Ae KIM ; Jin-Ha KIM ; Mi-Ran BANG
Korean Journal of Rehabilitation Nursing 2024;27(2):121-130
Purpose:
This study aimed to assess dementia awareness and educational needs among elderly care facility workers and to explore their experiences in caring for older adults with dementia through a mixed-methods approach.
Methods:
From May 1 to 31, 2023, 311 workers from dementia-related institutions in S City participated in a survey. Following the quantitative phase, 10 individuals participated in focus group interviews to further explore their experiences and needs. Quantitative data were analyzed using SPSS/WIN 25.0, and thematic analysis was applied to qualitative data.
Results:
The average dementia awareness score was 0.83±0.13 (out of 12), with the highest correct response rate (93%) in the "prevention and t reatment" category. The most requested education topics included managing "agitation and aggression" and improving "communication" skills. Qualitative analysis revealed two main themes with five subthemes, capturing staff experiences in dementia care and their perceived educational needs.
Conclusion
The findings highlight a strong demand for practical, structured training programs tailored to address behavioral management and communication challenges faced by facility staff.
9.The role of PD-1/PD-L1 pathway in ulcerative colitis and changes following tonsil-derived mesenchymal stem cells treatment
Eun Mi SONG ; Yang Hee JOO ; Sung-Ae JUNG ; Ju-Ran BYEON ; A-Reum CHOE ; Yehyun PARK ; Chung Hyun TAE ; Chang Mo MOON ; Seong-Eun KIM ; Hye-Kyung JUNG ; Ki-Nam SHIM
The Korean Journal of Internal Medicine 2024;39(6):917-930
Background/Aims:
The programmed death 1 (PD-1)/programmed death-ligand 1 (PD-L1) pathway has not been fully evaluated in inflammatory bowel disease. We evaluated PD-1/PD-L1 levels in patients with ulcerative colitis (UC) and their significance in tonsil-derived mesenchymal stem cells (TMSCs) treatment.
Methods:
Using acute and chronic murine colitis model, we measured the PD-1 and PD-L1 levels in inflamed colonic tissues pre- and post-treatment with TMSCs. We also measured PD-1 and PD-L1 levels in colonic tissues from UC patients, compared to normal controls.
Results:
In the analysis using human colonic tissues, a significant increase in the levels of PD-1 and PD-L1 was observed in the colonic mucosa of patients with UC compared with normal controls (p < 0.001 and p = 0.005, respectively). When comparing the maximal disease extent, PD-L1 levels were highest in patients with proctitis (38.5 ± 46.7), followed by left-side colitis (17.5 ± 23.1) and extensive colitis (5.2 ± 8.2) (p < 0.001). In the chronic colitis model, the level of PD-L1 was decreased (p = 0.040) and the level of PD-1 increased more than in normal controls (p = 0.047). After treatment with TMSC, significant improvements were observed in body weight, disease activity index, and colon length recovery. Additionally, the levels of PD-1 and PD-L1 were recovered; PD-L1 significantly increased (p = 0.031), while the level of PD-1 decreased (p = 0.310).
Conclusions
The altered expression of PD-1 and PD-L1 in colonic mucosa may be a possible mechanism of UC, and T-MSC-derived PD-L1 could help suppress colitis.
10.Dementia Awareness, Educational Needs, and Caregiving Experience among Elderly Care Facility Workers: An Explanatory Sequential Mixed Methods Study
A-Ram LEE ; Kyung-Ae KIM ; Jin-Ha KIM ; Mi-Ran BANG
Korean Journal of Rehabilitation Nursing 2024;27(2):121-130
Purpose:
This study aimed to assess dementia awareness and educational needs among elderly care facility workers and to explore their experiences in caring for older adults with dementia through a mixed-methods approach.
Methods:
From May 1 to 31, 2023, 311 workers from dementia-related institutions in S City participated in a survey. Following the quantitative phase, 10 individuals participated in focus group interviews to further explore their experiences and needs. Quantitative data were analyzed using SPSS/WIN 25.0, and thematic analysis was applied to qualitative data.
Results:
The average dementia awareness score was 0.83±0.13 (out of 12), with the highest correct response rate (93%) in the "prevention and t reatment" category. The most requested education topics included managing "agitation and aggression" and improving "communication" skills. Qualitative analysis revealed two main themes with five subthemes, capturing staff experiences in dementia care and their perceived educational needs.
Conclusion
The findings highlight a strong demand for practical, structured training programs tailored to address behavioral management and communication challenges faced by facility staff.

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