1.Long-term Safety and Efficacy of Abatacept in Koreans with Rheumatoid Arthritis.
Seung Cheol SHIM ; Sung Hwan PARK ; Sang Cheol BAE ; Jung Yoon CHOE ; Yeong Wook SONG ; Pranab MITRA ; Chetan S KARYEKAR
Journal of Rheumatic Diseases 2013;20(1):30-39
OBJECTIVE: The safety and efficacy of intravenous (IV) abatacept in patients with active RA unresponsive to methotrexate have been demonstrated in short-term (ST) studies in global populations and a ST, Phase III study in a Korean patient population. Abatacept's long-term safety and efficacy profile has been established in open-label global studies with treatment up to 5 years. The objective of this study was to determine the long-term safety and efficacy of abatacept in patients with RA from the ST Korean study. METHODS: This was an open-label long-term extension (LTE) of a Phase III, multicenter, randomized, double-blind, placebo-controlled study in which Korean patients who had received IV abatacept or placebo in the ST trial (169 days) were given the option to receive open-label abatacept to Day 1485 with 84 days' follow-up (total 1,569 days, ~4 years). RESULTS: A total of 105 patients were enrolled in the LTE (86.7% female, median age 49.0 years). Abatacept was generally well tolerated. Adverse events were mostly mild or moderate and no new safety signals were identified. Improvement in disease activity (assessed by ACR response and DAS28 [CRP]), physical function (assessed by KHAQ-DI), and quality of life (assessed by SF-36 score) were maintained in patients initially treated with abatacept or observed in patients who had switched to abatacept after placebo in the ST study. CONCLUSION: Long-term treatment with IV abatacept over 1485 days was generally well tolerated in Korean patients with RA. Additionally, the efficacy profile from the ST study was maintained over the LTE.
Arthritis, Rheumatoid
;
Female
;
Follow-Up Studies
;
Humans
;
Immunoconjugates
;
Korea
;
Methotrexate
;
Quality of Life
;
Abatacept
2.Long-term Safety and Efficacy of Abatacept in Koreans with Rheumatoid Arthritis.
Seung Cheol SHIM ; Sung Hwan PARK ; Sang Cheol BAE ; Jung Yoon CHOE ; Yeong Wook SONG ; Pranab MITRA ; Chetan S KARYEKAR
Journal of Rheumatic Diseases 2013;20(1):30-39
OBJECTIVE: The safety and efficacy of intravenous (IV) abatacept in patients with active RA unresponsive to methotrexate have been demonstrated in short-term (ST) studies in global populations and a ST, Phase III study in a Korean patient population. Abatacept's long-term safety and efficacy profile has been established in open-label global studies with treatment up to 5 years. The objective of this study was to determine the long-term safety and efficacy of abatacept in patients with RA from the ST Korean study. METHODS: This was an open-label long-term extension (LTE) of a Phase III, multicenter, randomized, double-blind, placebo-controlled study in which Korean patients who had received IV abatacept or placebo in the ST trial (169 days) were given the option to receive open-label abatacept to Day 1485 with 84 days' follow-up (total 1,569 days, ~4 years). RESULTS: A total of 105 patients were enrolled in the LTE (86.7% female, median age 49.0 years). Abatacept was generally well tolerated. Adverse events were mostly mild or moderate and no new safety signals were identified. Improvement in disease activity (assessed by ACR response and DAS28 [CRP]), physical function (assessed by KHAQ-DI), and quality of life (assessed by SF-36 score) were maintained in patients initially treated with abatacept or observed in patients who had switched to abatacept after placebo in the ST study. CONCLUSION: Long-term treatment with IV abatacept over 1485 days was generally well tolerated in Korean patients with RA. Additionally, the efficacy profile from the ST study was maintained over the LTE.
Arthritis, Rheumatoid
;
Female
;
Follow-Up Studies
;
Humans
;
Immunoconjugates
;
Korea
;
Methotrexate
;
Quality of Life
;
Abatacept
3.A Case of Recurrent Intestinal Obstruction Caused by Meckel's Diverticulum.
Eun Yeong KIM ; Jae Myung CHA ; Joung Il LEE ; Jae Won CHOE ; Kwang Ro JOO ; Sung Won JUNG ; Hyun Phil SHIN ; Suk Hwan LEE
The Korean Journal of Gastroenterology 2008;51(6):372-376
Meckel's diverticulum is the most common anomaly of the intestine. It is usually asymptomatic but approximately 4% are symptomatic with complications such as bleeding, intestinal obstruction, and inflammation. Gastrointestinal bleeding is the most common presenting symptoms of Meckel's diverticulum in children, however, intestinal obstruction is the most common complications in adult patients. Reported mechanism of intestinal obstruction in Meckel's diverticulum include intussusception, adhesion, and volvulus. Recently, we experienced a case with Meckel's diverticulum associated with ileal stricture causing recurrent partial intestinal obstruction in a 48-year-old man. In contrast to other published cases of small bowel obstruction in Meckel's diverticulum, this case was caused by ileal stricture associated with Meckel's diverticulum.
Endoscopy, Gastrointestinal
;
Humans
;
Ileal Diseases/*diagnosis/*etiology/surgery
;
Intestinal Obstruction/*diagnosis/etiology/surgery
;
Male
;
Meckel Diverticulum/*complications/pathology/surgery
;
Middle Aged
;
Recurrence
4.Epidemiology of and Risk Factors for Methicillin Resistance in Community-acquired and Nosocomial Staphylococcus aureus Bacteremia.
Ui Seok KIM ; Ji Hwan BANG ; Hong Bin KIM ; Sang Won PARK ; Myoung Don OH ; Yeong Wook SONG ; Cheol Ho KIM ; Eui Chong KIM ; Kang Won CHOE
Korean Journal of Infectious Diseases 1999;31(4):325-331
BACKGROUND: Strains of methicillin-resistant Staphylococcus aureus (MRSA) have emerged as important pathogens affecting primarily hospitalized patients. However, some investigators reported an increase in the frequency of community-acquired MRSA infections among persons who did not appear to have any of the recognized risk factors associated with nosocomial acquisition of MRSA. We designed this study to assess the proportion of MRSA in S. aureus bacteremia in the community and risk factors for MRSA bacteremia. METHODS: We reviewed the medical records of 334 cases during 1991~1992 and 1996~1997 and 93 cases in the emergency room of the Seoul National University Hospital during 1993~1995, in which S. aureus was isolated from blood samples. We retrospectively analyzed 210 cases (154 and 56 cases, respectively), which satisfied the definition of clinically significant bacteremia and of which medical records were available. RESULTS: Of 154 bacteremia cases reviewed, 32 (20.8%) were community-acquired and 122 (79.2%) were nosocomial during 1991~1992 and 1996~1997. MRSA occupied 18.8% (6 of 32) in community- acquired S. aureus bacteremia and 44.3% (54 of 122) in our hospital cases. We could not find a statistically significant increase in the rate of methicillin resistance in the community and our hospital. All of 15 cases classified as community-acquired MRSA bacteremia during 1991~1997 had more than one predisposing risk factor for MRSA infection. Nosocomial MRSA bacteremia were more frequently observed among the patients treated in the intensive care unit. (32.4% vs 10.2%, P=0.001). CONCLUSION: MRSA bacteremia occupied 18.8% of community-acquired S. aureus bacteremia. All cases with community-acquired MRSA bacteremia had more than one predisposing risk factor for MRSA infection. We did not observe a statistically significant increase in the proportion of MRSA bacteremia in S. aureus bacteremia.
Bacteremia*
;
Emergency Service, Hospital
;
Epidemiology*
;
Humans
;
Intensive Care Units
;
Medical Records
;
Methicillin Resistance*
;
Methicillin*
;
Methicillin-Resistant Staphylococcus aureus
;
Research Personnel
;
Retrospective Studies
;
Risk Factors*
;
Seoul
;
Staphylococcus aureus*
;
Staphylococcus*
5.The Relation of Menarcheal Age to Anthropometric Profiles in Korean Girls.
Ji Yeong KIM ; In Hwan OH ; Eun Young LEE ; Chang Mo OH ; Kyung Sik CHOI ; Bong Keun CHOE ; Tai Young YOON ; Sung Hee SHIN ; Joong Myung CHOI
Journal of Korean Medical Science 2010;25(10):1405-1410
The aim of this study was to represent the trend of early menarche and to assess the association of age at menarche with anthropometric profiles of Korean children and adolescents. A cross sectional survey was conducted with 13,371 girls aged 10 to 18 yr, recruited nationwide from April, 2005 to March, 2006. Height, weight and waist circumference of the subjects were measured; and the subjects self-reported their ages at menarche. We found that the menarcheal girls were taller (P<0.05 for the girls between 10 and 14 yr) and heavier (P<0.05 for the girls between 10 and 18 yr) than non-menarcheal ones. Menarcheal girls also showed higher body mass index (BMI), and greater waist circumference than non-menarcheal ones. Significant differences were represented according to the age at menarche in terms of BMI, waist circumference, % body fat mass, waist hip ratio and neck circumference as well as height and weight (P<0.05). In conclusion, girls who matured early were taller and heavier in early adolescence than those who matured later.
Adolescent
;
Body Fat Distribution
;
Body Height
;
Body Mass Index
;
Body Weight
;
*Body Weights and Measures
;
Child
;
Cross-Sectional Studies
;
Female
;
Humans
;
Menarche/*physiology
;
Republic of Korea
;
Waist Circumference
;
Waist-Hip Ratio
6.Exploration of optimum conditions for production of saccharogenic mixed grain beverages and assessment of anti-diabetic activity.
Jae Sung LEE ; Yun Hwan KANG ; Kyoung Kon KIM ; Yeong Kyeong YUN ; Jun Gu LIM ; Tae Woo KIM ; Dae Jung KIM ; Sang Yeon WON ; Moo Hoan BAE ; Han Seok CHOI ; Myeon CHOE
Journal of Nutrition and Health 2014;47(1):12-22
PURPOSE: This study was conducted to establish the production conditions through optimization of the production process of beverages using Aspergillus oryzae CF1001, and to analyze volatile compounds and antidiabetic activity. METHODS: The optimum condition was selected using the response surface methodology (RSM), through a regression analysis with the following independent variables gelatinization temperature (GT, X1), saccharogenic time (ST, X2), and dependent variable; DeltaE value (y). The condition with the lowest DeltaE value occurred with combined 45 min ST and 50degrees C GT. The volatile compounds were analyzed quantitatively by GC-MS. RESULTS: Assessment of antidiabetic activity of saccharogenic mixed grain beverage (SMGB) was determined by measurement of alpha-glucosidase inhibition activity, and glucose uptake activity and glucose metabolic protein expression by reverse transcriptase polymerase chain reaction (RT-PCR) and western blot analysis. Results of volatile compounds analysis, 62 kinds of volatile compounds were detected in SMGB. Palmitic acid (9.534% ratio), benzaldehyde (8.948% ratio), benzyl ethyl ether (8.792% ratio), ethyl alcohol (8.35% ratio), and 2-amyl furan (4.826% ratio) were abundant in SMGB. We confirmed that alpha-glucosidase inhibition activity, glucose uptake activity, and glucose-metabolic proteins were upregulated by SMGB treatment with concentration dependent manner. CONCLUSION: Saccharogenic mixed grain beverage (SMGB) showed potential antidiabetic activity. Further studies will be needed in order to improve the taste and functionality of SMGB.
alpha-Glucosidases
;
Aspergillus oryzae
;
Beverages*
;
Blotting, Western
;
Edible Grain*
;
Ethanol
;
Ether
;
Gelatin
;
Glucose
;
Palmitic Acid
;
Reverse Transcriptase Polymerase Chain Reaction
7.A Case of Pheochromocytoma Associated with Diabetic Ketoacidosis and Infective Endocarditis.
Jae Hyun BAE ; Eun Yeong CHOE ; Ji Hye HUH ; Do Chang MOON ; Seung Hwan SHIN ; Kwang Joon KIM ; Byung Wan LEE ; Chul Woo AHN ; Bong Soo CHA ; Hyun Chul LEE ; Eun Seok KANG
Journal of Korean Diabetes 2013;14(3):156-161
Pheochromocytoma is a rare neuroendocrine tumor that is usually derived from adrenal medulla or chromaffin cells along with sympathetic ganglia. In Western countries, the prevalence of pheochromocytoma is estimated to be between 1:6,500 and 1:2,500, compared with an incidence in the United States of 500 to 1,100 cases per year. Despite this low incidence, pheochromocytoma should always be considered for differential diagnoses because previous studies have shown that this condition can be cured in approximately 90% of cases. However, an untreated tumor is likely to be fatal due to catecholamine-induced malignant hypertension, heart failure, myocardial infarction, stroke, ventricular arrhythmias or metastatic disease. Symptoms that result primarily from excess circulating catecholamines and hypertension include severe headaches, generalized inappropriate sweating and palpitations (with tachycardia or occasionally bradycardia). Pheochromocytoma, however, has highly variable and heterogeneous clinical manifestations, including fever, general weakness and dyspepsia, and can be observed in patients who are suffering from infectious diseases. Several of such case reports have been presented, but most of these included infectious patients with high blood pressure and severe fluctuations. In this study, we presented the case of a 53-year-old male who showed normal blood pressure, but had a sustained fever. He was diagnosed with diabetic ketoacidosis, infective endocarditis and asymptomatic adrenal incidentaloma. Despite treatment with antibiotics and valve replacement, the fever persisted. After the patient underwent evaluation for the fever, adrenal incidentaloma was identified as pheochromocytoma. After removal of the abdominal mass, his fever improved.
Adrenal Gland Neoplasms
;
Adrenal Medulla
;
Anti-Bacterial Agents
;
Arrhythmias, Cardiac
;
Blood Pressure
;
Catecholamines
;
Chromaffin Cells
;
Communicable Diseases
;
Diabetic Ketoacidosis
;
Diagnosis, Differential
;
Dyspepsia
;
Endocarditis
;
Fever
;
Ganglia, Sympathetic
;
Headache
;
Heart Failure
;
Humans
;
Hypertension
;
Hypertension, Malignant
;
Incidence
;
Male
;
Middle Aged
;
Myocardial Infarction
;
Neuroendocrine Tumors
;
Pheochromocytoma
;
Prevalence
;
Stress, Psychological
;
Stroke
;
Sweat
;
Sweating
;
Tachycardia
;
United States
8.18F-THK5351 PET Positivity and Longitudinal Changes in Cognitive Function in β-Amyloid-Negative Amnestic Mild Cognitive Impairment
Min Young CHUN ; Jongmin LEE ; Jee Hyang JEONG ; Jee Hoon ROH ; Seung Jun OH ; Minyoung OH ; Jungsu S. OH ; Jae Seung KIM ; Seung Hwan MOON ; Sook-young WOO ; Young Ju KIM ; Yeong Sim CHOE ; Hee Jin KIM ; Duk L. NA ; Hyemin JANG ; Sang Won SEO
Yonsei Medical Journal 2022;63(3):259-264
Purpose:
Neuroinflammation is considered an important pathway associated with several diseases that result in cognitive decline. 18F-THK5351 positron emission tomography (PET) signals might indicate the presence of neuroinflammation, as well as Alzheimer’s disease-type tau aggregates. β-amyloid (Aβ)-negative (Aβ–) amnestic mild cognitive impairment (aMCI) may be associated with non-Alzheimer’s disease pathophysiology. Accordingly, we investigated associations between 18F-THK5351 PET positivity and cognitive decline among Aβ– aMCI patients.
Materials and Methods:
The present study included 25 amyloid PET negative aMCI patients who underwent a minimum of two follow-up neuropsychological evaluations, including clinical dementia rating-sum of boxes (CDR-SOB). The patients were classified into two groups: 18F-THK5351-positive and -negative groups. The present study used a linear mixed effects model to estimate the effects of 18F-THK5351 PET positivity on cognitive prognosis among Aβ– aMCI patients.
Results:
Among the 25 Aβ– aMCI patients, 10 (40.0%) were 18F-THK5351 positive. The patients in the 18F-THK5351-positive group were older than those in the 18F-THK5351-negative group (77.4±2.2 years vs. 70.0±5.5 years; p<0.001). There was no difference between the two groups with regard to the proportion of apolipoprotein E ε4 carriers. Interestingly, however, the CDR-SOB scores of the 18F-THK5351-positive group deteriorated at a faster rate than those of the 18F-THK5351-negative group (B=0.003, p=0.033).
Conclusion
The results of the present study suggest that increased 18F-THK5351 uptake might be a useful predictor of poor prognosis among Aβ– aMCI patients, which might be associated with increased neuroinflammation (ClinicalTrials.gov NCT02656498).
9.Lomens-P0 (mixed extracts of Hordeum vulgare and Chrysanthemum zawadskii) regulate the expression of factors affecting premenstrual syndrome symptoms
Yoon Seo LEE ; Hyelin JEON ; Yang-Mi HER ; Da Eun LEE ; Yong Joon JEONG ; Eun Jeong KIM ; Tae Hwan CHOE ; Hee Ju SUH ; Seung-Yeon SHIN ; Dae Won PARK ; Yeong-Geun LEE ; Se Chan KANG
Nutrition Research and Practice 2021;15(6):715-731
BACKGROUND/OBJECTIVES:
Premenstrual syndrome (PMS) is a disorder characterized by repeated emotional, behavioral, and physical symptoms before menstruation, and the exact cause and mechanism are uncertain. Hyperprolactinemia interferes with the normal production of estrogen and progesterone, leading to PMS symptoms. Thus, we judged that the inhibition of prolactin hypersecretion could mitigate PMS symptoms.MATERIALS/METHODS: Hordeum vulgare L. extract (HVE), Chrysanthemum zawadskii var. latilobum extract (CZE), and Lomens-P0 the mixture of these extracts were tested in subsequent experiments. The effect of extracts on prolactin secretion at the in vitro level was measured in GH3 cells. Nitric oxide and pro-inflammatory mediator expression were measured in RAW 264.7 cells to confirm the anti-inflammatory effect. Also, the hyperprolactinemic Institute for Cancer Research (ICR) mice model was used to measure extract effects on prolactin and hormone secretion and uterine inflammation.
RESULTS:
Anti-inflammatory effects of and prolactin secretion suppress by HVE and CZE were confirmed through in vitro experiments (P < 0.05). Treatment with Lomens-P0 inhibited prolactin secretion (P < 0.05) and restored normal sex hormone secretion in the hyperprolactinemia mice model. In addition, extracts significantly inhibited the expression of pro-inflammatory biomarkers, including interleukin-1β, and -6, tumor necrosis factor-α, inducible nitric oxide synthase, and cyclooxygenase-2 (P < 0.01). We used high-performance liquid chromatography analyses to identify tricin and chlorogenic acid as the respective components of HVE and CZE that inhibit prolactin secretion. The Lomens-P0, which includes tricin and chlorogenic acid, is expected to be effective in improving PMS symptoms in the human body.
CONCLUSIONS
The Lomens-P0 suppressed the prolactin secretion in hyperprolactinemia mice, normalized the sex hormone imbalance, and significantly suppressed the expression of inflammatory markers in uterine tissue. This study suggests that Lomens-P0 may have the potential to prevent or remedy materials to PMS symptoms.
10.KOBIO, the First Web-based Korean Biologics Registry Operated With a Unified Platform Among Distinct Disease Entities
Jinhyun KIM ; Jung Hee KOH ; Sung Jae CHOI ; Chan Hong JEON ; Seung-Ki KWOK ; Seong-Kyu KIM ; Chan-Bum CHOI ; Jaejoon LEE ; Changhoon LEE ; Eon Jeong NAM ; Yong-Beom PARK ; Shin-Seok LEE ; Tae-Hwan KIM ; Sung-Hwan PARK ; Jung-Yoon CHOE ; Eun-Mi KOH ; Dae-Hyun YOO ; Yeong Wook SONG ; Hyoun-Ah KIM ; Kichul SHIN
Journal of Rheumatic Diseases 2021;28(4):176-182
The KOrean College of Rheumatology BIOlogics and targeted therapy (KOBIO) registry is a nationwide observational cohort that captures detailed data on exposure of patients to biologic and targeted synthetic disease-modifying anti-rheumatic drugs (DMARDs). This registry was launched in December 2012 with an aim to prospectively investigate clinical manifestations and outcomes of patients with rheumatoid arthritis (RA), ankylosing spondylitis, and psoriatic arthritis who initiated a biologic or targeted synthetic DMARD or switched to another. Demographic data, disease activity, current treatment, adverse events, terms based on Medical Dictionary for Regulatory Activities, and so on are registered for patients who are then followed up annually in a web-based unified platform. The KOBIO registry also recruits and collects data of patients with RA on conventional DMARDs for comparison. As of today, more than 5,500 patients were enrolled from 47 academic and community Rheumatology centers across Korea. The KOBIO registry has evolved to become a powerful database for clinical research to improve clinical outcomes and quality of treatment.