1.Awareness, Compliance, and Self-Discontinuation of Medication in Psychosis Outpatients in University Hospital Setting
Young Hoon KIM ; Jae Hoon JEONG ; Nuree KANG ; Junggeun AHN ; Jangmi BAEK ; Jiu KIM ; Hyunju LEE ; Yong-Min AHN ; Se Hyun KIM
Korean Journal of Schizophrenia Research 2026;29(1):25-33
Objectives:
This study investigated medication perceptions, adherence patterns, self-discontinuation experiences, and information sources among psychiatric outpatients to provide evidence for improving adherence strategies.
Methods:
A cross-sectional survey was conducted with 79 outpatients from a University Hospital, Department of Psychiatry. Self-administered questionnaires assessed diagnostic awareness, medication perceptions, adherence behaviors, discontinuation experiences, side effects, and information sources.
Results:
Overall, 89.7% knew their psychiatric diagnosis and 88.2% perceived medication as effective. While 73.1% rarely forgot medication, 35.9% had previously self-discontinued treatment. Medication adherence was significantly associated with previous discontinuation experience (p=0.006), whereas diagnostic awareness and efficacy perception were not. Primary discontinuation reasons were symptom improvement (53.6%) and physical discomfort (35.7%). Common side effects included weight gain (n=31), daytime drowsiness (n=26), memory impairment (n=24), and concentration problems (n=22). Patients primarily obtained side effect information from TV/internet (27.8%) rather than healthcare providers (20.3%). Most patients desired additional information about side effects (57.0%) and medication effects (54.4%).
Conclusion
Daily medication-taking behaviors were more predictive of treatment discontinuation than cognitive factors in this outpatient sample. Discontinuation due to symptom improvement and reliance on non-medical information sources highlights the need for enhanced patient education regarding relapse risks and systematic provision of accurate medication information.
2.Clinical Relevance of Starting Alectinib at a Reduced Dose in Patients with ALK-Positive Non–Small Cell Lung Cancer
Junkyu KIM ; Min-Ji KIM ; Jinyong KIM ; Sehhoon PARK ; Hyun Ae JUNG ; Se-Hoon LEE ; Jin Seok AHN ; Myung-Ju AHN ; Jong-Mu SUN
Cancer Research and Treatment 2026;58(2):434-442
Purpose:
Alectinib has been approved for anaplastic lymphoma kinase (ALK)–positive non–small cell lung cancer (NSCLC) at 300 mg twice daily in Japan, lower than global standard of 600 mg twice daily. This study evaluated the clinical relevance of the reduced dose by comparing outcomes between the two doses.
Materials and Methods:
This study included patients with advanced ALK-positive NSCLC who received alectinib at Samsung Medical Center, Korea. The progression-free survival (PFS), overall survival, cumulative incidence of central nervous system (CNS) progression, and safety profiles were retrospectively reviewed and compared.
Results:
Among 306 patients, 32 and 274 received alectinib at either 300 or 600 mg twice daily, respectively. The 300 mg group showed a slight but not significant advantage in PFS (hazard ratio [HR], 0.82; 95% confidence interval [CI], 0.44 to 1.51; p=0.51) and overall survival (HR, 0.51; 95% CI, 0.20 to 1.21; p=0.13). Superior outcome with 300 mg was remarkable in patients with lower body weight (≤ 60 kg), but diminished in patients with higher body weights. Patients with baseline brain metastasis in the 300 mg group exhibited a slight increase in incidence of CNS failure (HR, 1.76; 95% CI, 0.53 to 5.8; p=0.36). Although the safety profiles were mostly mild, adverse events were more frequent in the 600 mg group, 50% of which requiring dose reduction.
Conclusion
Alectinib at 300 mg twice daily seems an acceptable dose in East Asians with ALK-positive NSCLC. Notably, our data favor 300 mg twice daily in patients with lower body weight and no baseline brain metastasis, considering the more tolerable safety profiles and the potential to reduce medical costs.
3.Long-term outcomes and associated prognostic risk factors of childhood-onset lupus nephritis
Eujin PARK ; Jiwon JUNG ; Jeesu MIN ; Hyeonju LEE ; Min Ji PARK ; Ji Yeon SONG ; Ji Hyun KIM ; Kyung Mi JANG ; Eun Mi YANG ; Yo Han AHN ; Min Hyun CHO ; Joo Hoon LEE ; Young Seo PARK ; Soon Chul KIM ; Se Jin PARK ; Jung Won LEE ; Kee Hyuck KIM ; Ki Soo PAI ; Hee Gyung KANG ; Seong Heon KIM
Kidney Research and Clinical Practice 2025;44(2):389-395
This study investigated the clinical characteristics and kidney outcomes of childhood-onset lupus nephritis (LN), and risk factors associated with prognosis. Methods: We enrolled 216 patients with histologically diagnosed LN during childhood. The Korean Society of Pediatric Nephrology organized a retrospective cohort study of childhood-onset LN in 13 major pediatric nephrology centers in South Korea. Results: The mean age at kidney biopsy was 13.2 ± 3.22 years. The main forms of presentation were nephrotic syndrome and/or hematuria in 152 patients (70.4%), and the most common histological finding was World Health Organization (WHO) class IV in 138 patients (63.9%), followed by WHO class III in 34 patients (15.7%). In the outcome analysis, the mean follow-up period of the patients was 7.8 ± 5.11 years. At last follow-up, 32 patients (14.8%) developed advanced chronic kidney disease (CKD). Male sex and failure to achieve remission at 12 months of treatment were significant risk factors for developing advanced CKD (hazard ratio of 2.57 and 2.29, respectively). Conclusion: Our study demonstrated the clinical characteristics and long-term outcomes of patients with childhood-onset LN. Male sex and failure to achieve remission in the first year of treatment were predictive of advanced CKD. Therefore, prompt awareness and close monitoring of these high-risk patients are needed, which may further improve the prognosis of children with LN.
4.Establishing Integrated Treatment Centers to Improve Mental Health Services: International Examples and Strategies for South Korea
Han-Sung LEE ; Hyunju LEE ; Yu Jin LEE ; Soon-Beom HONG ; Se Hyun KIM ; Hye Yoon PARK ; Soo-Hee CHOI ; Jee Eun PARK ; Sang Jin RHEE ; Juwon LEE ; Sukkyung LEE ; Jee Hoon SOHN ; Yong Min AHN
Journal of Korean Neuropsychiatric Association 2024;63(4):207-217
The global burden of mental illness has increased significantly since the COVID-19 pandemic. In South Korea, despite this rising burden, the utilization of mental health services remains critically low compared to other countries. This study evaluated successful integrated treatment centers from various countries, including the United States, the United Kingdom, and Australia, to identify the best practices that can be applied to South Korean society. These international examples informed the development of Mind the SHIM (SNUH Health in Mind) center, an integrated treatment model designed to address the gaps in non-pharmacological mental health services in South Korea. Mind the SHIM center focuses on developing and validating programs tailored to local needs, emphasizing professional education, systematic program delivery, and community collaboration. The biopsychosocial approach of the center is expected to enhance the overall quality of life of the patients and increase the utilization of mental health services, reducing the broader economic and social burden of mental illness in South Korea.
5.Establishing Integrated Treatment Centers to Improve Mental Health Services: International Examples and Strategies for South Korea
Han-Sung LEE ; Hyunju LEE ; Yu Jin LEE ; Soon-Beom HONG ; Se Hyun KIM ; Hye Yoon PARK ; Soo-Hee CHOI ; Jee Eun PARK ; Sang Jin RHEE ; Juwon LEE ; Sukkyung LEE ; Jee Hoon SOHN ; Yong Min AHN
Journal of Korean Neuropsychiatric Association 2024;63(4):207-217
The global burden of mental illness has increased significantly since the COVID-19 pandemic. In South Korea, despite this rising burden, the utilization of mental health services remains critically low compared to other countries. This study evaluated successful integrated treatment centers from various countries, including the United States, the United Kingdom, and Australia, to identify the best practices that can be applied to South Korean society. These international examples informed the development of Mind the SHIM (SNUH Health in Mind) center, an integrated treatment model designed to address the gaps in non-pharmacological mental health services in South Korea. Mind the SHIM center focuses on developing and validating programs tailored to local needs, emphasizing professional education, systematic program delivery, and community collaboration. The biopsychosocial approach of the center is expected to enhance the overall quality of life of the patients and increase the utilization of mental health services, reducing the broader economic and social burden of mental illness in South Korea.
6.Quality Improvement Project to Reduce Admission Hypothermia of Preterm Infants Born at Less than 32 Weeks or 1,500 g
Hanna KIM ; Jieun HWANG ; Chan KIM ; Seung Hyun KIM ; Misun YANG ; So Yoon AHN ; Se In SUNG ; Yun Sil CHANG
Neonatal Medicine 2024;31(2):38-46
Purpose:
Hypothermia upon admission to the neonatal intensive care unit (NICU) contributes significantly to various neonatal complications, particularly in preterm infants. This study aimed to assess the impact of quality improvement (QI) interventions, including using plastic bags and head caps, and adjusting delivery room temperatures, on improving the admission body temperature and reducing hypothermia in infants born at less than 32 weeks or weighing 1,500 g.
Methods:
This study retrospectively analyzed the medical records of infants born at less than 32 weeks or weighing 1,500 g who admitted to the NICU at Samsung Medical Center from January 2022 to February 2024. The QI program that was initiated in April 2023 focused on managing admission temperatures using plastic bags and head caps, and maintaining delivery room temperatures at ≥25 °C. The admission temperature and short-term outcomes pre- and post-QI were compared.
Results:
In a study of 270 patients, implementing QI initiatives significantly raised the admission temperature from 36.2±0.5 to 36.4±0.4 °C (p<0.01), particularly impacting infants weighing ≥1,000 g, in whom mild hypothermia occurrences dropped from 76.3% to 43.9% (p<0.01). This improvement in temperature management significantly decreased both mild and severe hypothermia rates post-QI. Additionally, implementing all three initiatives was more effective than when two or fewer initiatives were implemented.
Conclusion
Simple and cost-effective QI interventions can increase admission temperatures and decrease hypothermia in neonates. Further research is essential to explore the long-term outcomes and develop effective hypothermia management strategies in neonatal care.
7.Clinical Characteristics of Hypospadias and Its Association with Very Low Birth Weight Infants with Small for Gestational Age
Seon Nyo KIM ; Seung Hyun KIM ; Chan KIM ; Hanna KIM ; Jieun HWANG ; Misun YANG ; So Yoon AHN ; Se In SUNG ; Yun Sil CHANG ; Hyeseon KIM
Neonatal Medicine 2024;31(2):17-23
Purpose:
To investigate the risk factors associated with hypospadias in very low birth weight (VLBW) infants (VLBWIs).
Methods:
We retrospectively analyzed 729 infants born at ≥24 weeks of gestational age and weighing <1,500 g from January 2012 to December 2022. We assessed the prevalence of hypospadias by birth weight percentiles and also compared the demographics and placental histopathology of the infants with hypospadias (n=52) and those without hypospadias (n=677).
Results:
Of the 729 patients analysed, hypospadias was recorded in 26 (20.3%), 14 (26.9%), and 12 (2.5%) infants in the <3rd, ≥3rd–<10th, and ≥10th–<90th percentiles, respectively. Of all of the patients with hypospadias, 50% had birth weights <3rd percentile (p<0.001). The hypospadias group demonstrated a longer mean gestational age (30.1 weeks vs. 27.9 weeks, p<0.001), lower incidence of maternal pregnancy-induced hypertension (48.1% vs. 17.3%, p<0.001), lower incidence of premature rupture of membrane (11.5% vs. 27.1%, p=0.013), lower acute chorioamniotic maternal response (9.1% vs. 35.2%, p<0.001), and higher maternal underperfusion (95.5% vs. 71.9%, p<0.001).
Conclusion
The frequency of hypospadias was found to be the highest among VBLWIs <3rd percentile, who were severely small for their gestational age (SGA). Additionally, the incidence increased with a decreasing birth weight. Physical examination is necessary at birth for VLBWIs classified as SGA. Moreover, the data on the incidence of hypospadias among VLBWIs in neonatal intensive care units can assist in tracking counseling from the prenatal to the postnatal period for patients born <3rd percentile.
8.Establishing Integrated Treatment Centers to Improve Mental Health Services: International Examples and Strategies for South Korea
Han-Sung LEE ; Hyunju LEE ; Yu Jin LEE ; Soon-Beom HONG ; Se Hyun KIM ; Hye Yoon PARK ; Soo-Hee CHOI ; Jee Eun PARK ; Sang Jin RHEE ; Juwon LEE ; Sukkyung LEE ; Jee Hoon SOHN ; Yong Min AHN
Journal of Korean Neuropsychiatric Association 2024;63(4):207-217
The global burden of mental illness has increased significantly since the COVID-19 pandemic. In South Korea, despite this rising burden, the utilization of mental health services remains critically low compared to other countries. This study evaluated successful integrated treatment centers from various countries, including the United States, the United Kingdom, and Australia, to identify the best practices that can be applied to South Korean society. These international examples informed the development of Mind the SHIM (SNUH Health in Mind) center, an integrated treatment model designed to address the gaps in non-pharmacological mental health services in South Korea. Mind the SHIM center focuses on developing and validating programs tailored to local needs, emphasizing professional education, systematic program delivery, and community collaboration. The biopsychosocial approach of the center is expected to enhance the overall quality of life of the patients and increase the utilization of mental health services, reducing the broader economic and social burden of mental illness in South Korea.
9.Impact of Patient Sex on Adverse Events and Unscheduled Utilization of Medical Services in Cancer Patients Undergoing Adjuvant Chemotherapy: A Multicenter Retrospective Cohort Study
Songji CHOI ; Seyoung SEO ; Ju Hyun LEE ; Koung Jin SUH ; Ji-Won KIM ; Jin Won KIM ; Se Hyun KIM ; Yu Jung KIM ; Keun-Wook LEE ; Jwa Hoon KIM ; Tae Won KIM ; Yong Sang HONG ; Sun Young KIM ; Jeong Eun KIM ; Sang-We KIM ; Dae Ho LEE ; Jae Cheol LEE ; Chang-Min CHOI ; Shinkyo YOON ; Su-Jin KOH ; Young Joo MIN ; Yongchel AHN ; Hwa Jung KIM ; Jin Ho BAEK ; Sook Ryun PARK ; Jee Hyun KIM
Cancer Research and Treatment 2024;56(2):404-413
Purpose:
The female sex is reported to have a higher risk of adverse events (AEs) from cytotoxic chemotherapy. Few studies examined the sex differences in AEs and their impact on the use of medical services during adjuvant chemotherapy. This sub-study aimed to compare the incidence of any grade and grade ≥ 3 AEs, healthcare utilization, chemotherapy completion rate, and dose intensity according to sex.
Materials and Methods:
This is a sub-study of a multicenter cohort conducted in Korea that evaluated the impact of healthcare reimbursement on AE evaluation in patients who received adjuvant chemotherapy between September 2013 and December 2016 at four hospitals in Korea.
Results:
A total of 1,170 patients with colorectal, gastric, or non–small cell lung cancer were included in the study. Female patients were younger, had fewer comorbidities, and experienced less postoperative weight loss of > 10%. Females had significantly higher rates of any grade AEs including nausea, abdominal pain, stomatitis, vomiting, and neutropenia, and experienced more grade ≥ 3 neutropenia, nausea, and vomiting. The dose intensity of chemotherapy was significantly lower in females, and they also experienced more frequent dose reduction after the first cycle. Moreover, female patients receiving platinum-containing regimens had significantly higher rates of unscheduled outpatient visits.
Conclusion
Our study found that females experienced a higher incidence of multiple any-grade AEs and severe neutropenia, nausea, and vomiting, across various cancer types, leading to more frequent dose reductions. Physicians should be aware of sex differences in AEs for chemotherapy decisions.
10.First-Line Alectinib vs. Brigatinib in Advanced Non–Small Cell Lung Cancer with ALK Rearrangement: Real-World Data
Youngkyung JEON ; Sehhoon PARK ; Hyun Ae JUNG ; Jong-Mu SUN ; Se-Hoon LEE ; Jin Seok AHN ; Myung-Ju AHN
Cancer Research and Treatment 2024;56(1):61-69
Purpose:
Alectinib and brigatinib are second-generation anaplastic lymphoma receptor tyrosine kinases (ALKs) that are widely used as first-line therapy for treating ALK-positive advanced non–small cell lung cancer (NSCLC). Given the lack of a head-to-head comparison of these drugs as first-line therapies, this retrospective observational study aimed to compare the real-world efficacy and safety of alectinib and brigatinib.
Materials and Methods:
Patients who received alectinib or brigatinib as the first-line treatment for ALK-positive advanced NSCLC were evaluated for clinical outcomes of objective response rate (ORR), intracranial ORR, time to next treatment (TTNT), progression-free survival (PFS), overall survival (OS), and safety profiles.
Results:
Of 208 patients who received either alectinib or brigatinib as a first-line treatment, 176 received alectinib and 32 received brigatinib. At the data cutoff point, the median follow-up duration was 16.5 months (95% confidence interval [CI], 14.7 to 18.3) in the brigatinib group and 27.5 months (95% CI, 24.6 to 30.4) in the alectinib group. The ORR was 92.5% with alectinib and 93.8% for brigatinib. The intracranial ORR rates were 92.7% (38/41) and 100% (10/10), respectively. The rate of PFS at 12 months was comparable between the alectinib group and the brigatinib groups (84.4% vs. 84.1%, p=0.64), and the median TTNT, PFS, and OS were not reached in either group. Treatment-related adverse events were usually mild, and treatment discontinuation due to adverse events was rare (alectinib 4.5% vs. brigatinib 6.25%).
Conclusion
Alectinib and brigatinib had similar clinical benefits when used as the first-line treatment of NSCLC patients with ALK rearrangement in the real world.

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