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Rheumatology / Original Article
Comprehensive analysis of patients with rheumatoid arthritis associated interstitial lung disease
Ji-Won Kim, Ju-Yang Jung, Chang-Hee Suh, Hyoun-Ah Kim
Korean J Intern Med. 2025;40(5):845-855. Published online August 26, 2025
Background/Aims: To investigate the demographics, disease characteristics, and treatment modalities of patients with rheumatoid arthritis (RA) associated interstitial lung disease (ILD), focusing on ILD exacerbation and mortality.
Methods: This retrospective study included individuals aged ≥ 18 y..
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Rheumatology / Original Article
Factors influencing delayed attainment of low disease activity in rheumatoid arthritis patients continuing targeted therapy
Yeo-Jin Song, Soo-Kyung Cho, Se Rim Choi, Shin-Seok Lee, Hye-Soon Lee, Sung-Hoon Park, Yeon-Ah Lee, Min-Chan Park, Hyoun-Ah Kim, Soo-Bin Lee, Ha-Rim Park, Eunwoo Nam, Yoon-Kyoung Sung
Korean J Intern Med. 2025;40(5):835-844. Published online August 29, 2025
Background/Aims: To identify factors associated with achieving low disease activity (LDA) after 48 weeks of targeted therapy in patients with rheumatoid arthritis (RA) despite not meeting treat-to-target (T2T) criteria at week 24.
Methods: Data were collected from a multicenter, prospective observa..
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Rheumatology / Original Article
Association of peripheral leukocyte telomere length with patients with rheumatoid arthritis with a focus on interstitial lung disease
Young Bin Joo, So-Young Bang, Su Jin Hong, Youkyung Lee, Dongjik Shin, Sang-Cheol Bae, Hye-Soon Lee
Korean J Intern Med. 2025;40(4):676-686. Published online April 1, 2025
Background/Aims: This study investigated whether telomere length (TL) in rheumatoid arthritis (RA) patients is shorter than in controls, whether TL in RA patients with interstitial lung disease (RA-ILD) differs from that in those without ILD (RA-nonILD), and whether TL varies according to RA-ILD pat..
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Rheumatology / Original Article
Effect of abatacept versus conventional synthetic disease modifying anti-rheumatic drugs on rheumatoid arthritis-associated interstitial lung disease
Kyung-Ann Lee, Bo Young Kim, Sung Soo Kim, Yun Hong Cheon, Sang-Il Lee, Sang-Hyon Kim, Jae Hyun Jung, Geun-Tae Kim, Jin-Wuk Hur, Myeung-Su Lee, Yun Sung Kim, Seung-Jae Hong, Suyeon Park, Hyun-Sook Kim
Korean J Intern Med. 2024;39(5):855-864. Published online August 30, 2024
Background/Aims: To compare the effects of abatacept and conventional synthetic disease modifying anti-rheumatic drugs (csDMARDs) on the progression and development of rheumatoid arthritis-associated interstitial lung disease (RA-ILD).
Methods: This multi-center retrospective study included RA pati..
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Rheumatology / Original Article
Drug retention of biologic and targeted synthetic disease-modifying antirheumatic drugs in Korean patients with seropositive rheumatoid arthritis
Bong-Woo Lee, Jennifer Jooha Lee, Wan-Uk Kim
Korean J Intern Med. 2024;39(5):833-844. Published online May 27, 2024
Background/Aims: The aim of this study was to compare the short- and long-term retention rates of biologic and targeted synthetic disease-modifying anti-rheumatic drugs (b/tsDMARDs) in Korean patients with seropositive rheumatoid arthritis.
Methods: This study was conducted with 1,538 treatment cou..
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Rheumatology / Original Article
Effectiveness of Korean Red Ginseng on fatigue in patients with rheumatic diseases: a randomized, double-blind, placebo-controlled study
Soo-Kyung Cho, Yeo-Jin Song, Jung-Yong Han, Hye Won Kim, Eunwoo Nam, Yoon-Kyoung Sung
Korean J Intern Med. 2024;39(4):680-690. Published online April 5, 2024
Background: To evaluate the effectiveness of Korean Red Ginseng (KRG) in managing fatigue in Korean patients with rheumatic diseases
Methods: Patients were randomly assigned to KRG (2 g/day, n = 60) or placebo (n = 60) groups for 12 weeks of blind phase and then open-label KRG from weeks 12 to 24 (..
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Rheumatology / Original Article
Impact of socioeconomic status on biologics utilization in rheumatoid arthritis: revealing inequalities and healthcare efficiency
Hye Won Kim, Yeon Ju Lee, You-Jung Ha, Eun Bong Lee, Yun Jong Lee, Eun Ha Kang
Korean J Intern Med. 2024;39(4):668-679. Published online February 29, 2024
Background/Aims: This cross-sectional study aimed to investigate biologics treatment disparities in rheumatoid arthritis (RA) patients based on socioeconomic status (SES).
Methods: Data from the KOrean Observational Study Network for Arthritis (KORONA) database were analyzed to assess various facto..
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Rheumatology / Original Article
Clinical characteristics and prognostic factors of non-tuberculous mycobacterial disease in patients with rheumatoid arthritis
Hyemin Kim, Soyoung Lee, Ji-Won Kim, Ju-Yang Jung, Chang-Hee Suh, Hyoun-Ah Kim
Korean J Intern Med. 2024;39(1):172-183. Published online November 30, 2023
Background/Aims: This study aimed to identify the clinical characteristics of patients with concurrent rheumatoid arthritis (RA) and suspected non-tuberculous mycobacterial (NTM) infections as well as determine their prognostic factors.
Methods: We retrospectively reviewed the medical records of 91..
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Rheumatology / Original Article
Inflammation is responsible for systemic bone loss in patients with seropositive rheumatoid arthritis treated with rituximab
Mie Jin Lim, Kyong-Hee Jung, Seong-Ryul Kwon, Won Park
Korean J Intern Med. 2023;38(6):912-922. Published online October 23, 2023
Background/Aims: We investigated the effect of rituximab on systemic bone metabolism in patients with seropositive rheumatoid arthritis (RA).
Methods: Twenty seropositive patients with RA were enrolled and administered one cycle of rituximab. If RA became active for > 6 months after the first ritux..
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Rheumatology / Original Article
Comparative effectiveness of JAK inhibitors and biologic disease-modifying antirheumatic drugs in patients with rheumatoid arthritis
Soo-Kyung Cho, Hyoungyoung Kim, Yeo-Jin Song, Hye Won Kim, Eunwoo Nam, Shin-Seok Lee, Hye-Soon Lee, Sung-Hoon Park, Yeon-Ah Lee, Min-Chan Park, Sung Hae Chang, Hyoun-Ah Kim, Seung-Ki Kwok, Hae-Rim Kim, Hyun-Sook Kim, Bo Young Yoon, Wan-Sik Uhm, Yong-Gil Kim, Jae Hoon Kim, Jisoo Lee, Jeongim Choi, Yoon-Kyoung Sung
Korean J Intern Med. 2023;38(4):546-556. Published online June 20, 2023
Background/Aims: We aimed to compare the effectiveness and safety of Janus kinase inhibitors (JAKi) vs. biologic disease- modifying antirheumatic drugs (bDMARD) in Korean patients with rheumatoid arthritis (RA) who had an inadequate response to conventional synthetic DMARDs.
Methods: A quasi-exper..
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Rheumatology / Original Article
Incidence and prevalence of seropositive rheumatoid arthritis among Korean women of childbearing age: a nationwide population-based study
Min Kyung Chung, Chan Hee Lee, Jin Su Park, Hyun Sun Lim, Jisoo Lee
Korean J Intern Med. 2023;38(1):125-133. Published online May 19, 2022
Background/Aims: Women with rheumatoid arthritis (RA) are often diagnosed with the disease during their reproductive years; however, its incidence and prevalence among women of childbearing age have not been studied. The objective of this study was to estimate the incidence and prevalence of seropos..
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Rheumatology / Original Article
Prevalence, incidence, and risk factors of malignancy in patients with rheumatoid arthritis: a nationwide cohort study from Korea
Kyung Min Ko, Su-Jin Moon
Korean J Intern Med. 2023;38(1):113-124. Published online August 20, 2021
Background/Aims: This study aims to evaluate the incidence of malignancy in patients with rheumatoid arthritis (RA) and to investigate risk factors for such in a nationwide, population-based cohort.
Methods: In a large, prospective, observational cohort study, 5,077 patients with RA were enrolled f..
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Rheumatology / Original Article
Two-year clinical outcomes after discontinuation of long-term golimumab therapy in Korean patients with rheumatoid arthritis
Kichul Shin, Hyun Mi Kwon, Min Jung Kim, Myung Jae Yoon, Hyun Gyung Chai, Seong-Wook Kang, Won Park, Sung-Hwan Park, Chang Hee Suh, Hyun Ah Kim, Seung-Geun Lee, Choong Ki Lee, Sang-Cheol Bae, Yong-Beom Park, Yeong Wook Song
Korean J Intern Med. 2022;37(5):1061-1069. Published online December 13, 2021
Background/Aims: The aim of this study was to investigate long-term post-discontinuation outcomes in patients with rheumatoid arthritis (RA) who had been treated with tumor necrosis factor-α inhibitors (TNF-αi) which was then discontinued.
Methods: Sixty Korean patients with RA who participated i..
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Review
Perioperative and anesthetic management of patients with rheumatoid arthritis
Hae-Rim Kim, Seong-Hyop Kim
Korean J Intern Med. 2022;37(4):732-739. Published online June 3, 2022
Our understanding and management of rheumatoid arthritis (RA) have greatly improved, but perioperative and anesthetic management remain challenging. RA is not limited to joints; systemic evaluation is thus required when planning perioperative management. Especially, careful airway evaluation is need..
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Rheumatology / Original Article
Trends in hospital visits and healthcare costs of gout and seropositive rheumatoid arthritis in Korea from 2010 to 2017 using National Healthcare Claims
Kyeong Min Son, Ju-Ryoung Kim, Hang A Park, Hyun Ah Kim
Korean J Intern Med. 2022;37(3):681-690. Published online October 26, 2021
Background/Aims: We examined temporal trends in the rate of gout and seropositive rheumatoid arthritis (RA) hospital visits and healthcare costs in Korea.
Methods: We conducted a serial cross-sectional analysis of Korean national healthcare claims. We calculated the annual increase in hospital visi..
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Review
Metformin and its therapeutic applications in autoimmune inflammatory rheumatic disease
Ji-Won Kim, Jung-Yoon Choe, Sung-Hwan Park
Korean J Intern Med. 2022;37(1):13-26. Published online December 10, 2021
Metformin is a first-line therapeutic agent for type 2 diabetes. Apart from its glucose- lowering effect, metformin is attracting interest regarding possible therapeutic benefits in various other conditions. As metformin regulates cell metabolism, proliferation, growth, and autophagy, it may also mo..
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Rheumatology / Original Article
Tocotrienol regulates osteoclastogenesis in rheumatoid arthritis
Kyoung-Woon Kim, Bo-Mi Kim, Ji-Yeon Won, Hong Ki Min, Seoung Joon Lee, Sang-Heon Lee, Hae-Rim Kim
Korean J Intern Med. 2021;36(Suppl 1):S273-S282. Published online June 19, 2020
Background/Aims: The present study aimed to investigate whether tocotrienol regulates interleukin 17 (IL-17)-induced osteoclastogenesis in rheumatoid arthritis (RA).
Methods: We evaluated the effect of tocotrienol on IL-17-induced receptor activator of nuclear factor kappa B ligand (RANKL) producti..
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Rheumatology / Original Article
Predictors of joint damage in patients with rheumatoid arthritis: focus on short- and long-term effects of intra-articular glucocorticoid injections
Jung Hee Koh, Hanna Lee, Seung-Geun Lee
Korean J Intern Med. 2021;36(6):1515-1526. Published online February 15, 2021
Background/Aims: To investigate the short- and long-term efficacy of intra-articular glucocorticoid injections (IAGI) in patients with rheumatoid arthritis (RA).
Methods: This was a retrospective study of RA patients who had active arthritis in the hand or wrist joints and who received IAGI (or not..
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Rheumatology / Original Article
Developing the Korean Educational Needs Assessment Tool (Korean ENAT) in rheumatoid arthritis: cross-cultural validation using Rasch analysis
Yoon-Kyoung Sung, Hyoungyoung Kim, Sung Joo Cha, Sae-Hyung Kim, Mwidimi Ndosi, Soo-Kyung Cho
Korean J Intern Med. 2021;36(4):1014-1022. Published online October 30, 2020
Background/Aims: This study was performed to undertake cross-cultural adaptation and validation of the Educational Needs Assessment Tool (ENAT) in rheumatoid arthritis (RA) for use in Korea.
Methods: The study involved two main phases: cross-cultural adaptation of the ENAT from English into Korean,..
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Rheumatology / Original Article
Association of body composition with disease activity and disability in rheumatoid arthritis
Kyeong Min Son, Seong Hun Kang, Young Il Seo, Hyun Ah Kim
Korean J Intern Med. 2021;36(1):214-222. Published online May 15, 2020
Background/Aims: To explore the associations between body composition and pain, disease activity, and disability in rheumatoid arthritis (RA).
Methods: The study enrolled 335 patients with RA and underwent body composition measurement with an InBody analyzer. The associations of body mass index (BM..
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