1.Dietary isoflavone intake among breast cancer survivors and cancer-free women
Sihan SONG ; Hyeong-Gon MOON ; Dong-Young NOH ; So-Youn JUNG ; Eun Sook LEE ; Zisun KIM ; Hyun Jo YOUN ; Jihyoung CHO ; Young Bum YOO ; Se Kyung LEE ; Jeong Eon LEE ; Seok Jin NAM ; Yoo Seok KIM ; Jun Won MIN ; Shinyoung JUN ; Hyojee JOUNG ; Jung Eun LEE
Nutrition Research and Practice 2025;19(1):80-95
		                        		
		                        			 BACKGROUND/OBJECTIVES:
		                        			Isoflavones are estrogen-like compounds found in plants and their health effects remain equivocal. We investigated dietary isoflavone intake and its associated factors in Korean breast cancer survivors, with a comparison to cancer-free women. 
		                        		
		                        			SUBJECTS/METHODS:
		                        			The usual dietary intake of breast cancer survivors (n = 981, mean age 52 yrs) in 9 hospitals between 2012 and 2019 was assessed using 3-day food records or food frequency questionnaires (FFQs). They were age-matched to 2,943 cancer-free women who completed FFQs as part of a nationwide study conducted between 2012 and 2016. We used the flavonoid database of common Korean foods and the Phenol-Explorer database to estimate isoflavone intake. The contribution of each food or food group to the total isoflavone intake was calculated. The adjusted least-squares means of dietary isoflavone intake according to lifestyle and clinical factors were calculated using generalized linear models. 
		                        		
		                        			RESULTS:
		                        			Breast cancer survivors had a higher mean dietary isoflavone intake (23.59 mg/day) than cancer-free women (17.81 mg/day). Major food sources, including tofu, soybeans, and doenjang, contributed to over 70% of the isoflavone intake in both groups. When we estimated dietary isoflavone intake according to lifestyle characteristics, isoflavone intake increased with higher scores of adherence to the American Cancer Society dietary guidelines but decreased with increasing body mass index in both groups. Among cancer-free women, dietary isoflavone intake was higher among those who had never smoked and among dietary supplement users. Among breast cancer survivors, dietary isoflavone intakes did not vary with clinical characteristics, including time since surgery and estrogen receptor status. 
		                        		
		                        			CONCLUSION
		                        			Breast cancer survivors were more likely to consume isoflavones than agematched cancer-free women. Dietary isoflavone intake was associated with healthy lifestyle characteristics in women both with and without breast cancer. Further research is needed to understand the role of the higher isoflavone intake among breast cancer survivors compared to cancer-free women on their prognosis. 
		                        		
		                        		
		                        		
		                        	
2.Dietary isoflavone intake among breast cancer survivors and cancer-free women
Sihan SONG ; Hyeong-Gon MOON ; Dong-Young NOH ; So-Youn JUNG ; Eun Sook LEE ; Zisun KIM ; Hyun Jo YOUN ; Jihyoung CHO ; Young Bum YOO ; Se Kyung LEE ; Jeong Eon LEE ; Seok Jin NAM ; Yoo Seok KIM ; Jun Won MIN ; Shinyoung JUN ; Hyojee JOUNG ; Jung Eun LEE
Nutrition Research and Practice 2025;19(1):80-95
		                        		
		                        			 BACKGROUND/OBJECTIVES:
		                        			Isoflavones are estrogen-like compounds found in plants and their health effects remain equivocal. We investigated dietary isoflavone intake and its associated factors in Korean breast cancer survivors, with a comparison to cancer-free women. 
		                        		
		                        			SUBJECTS/METHODS:
		                        			The usual dietary intake of breast cancer survivors (n = 981, mean age 52 yrs) in 9 hospitals between 2012 and 2019 was assessed using 3-day food records or food frequency questionnaires (FFQs). They were age-matched to 2,943 cancer-free women who completed FFQs as part of a nationwide study conducted between 2012 and 2016. We used the flavonoid database of common Korean foods and the Phenol-Explorer database to estimate isoflavone intake. The contribution of each food or food group to the total isoflavone intake was calculated. The adjusted least-squares means of dietary isoflavone intake according to lifestyle and clinical factors were calculated using generalized linear models. 
		                        		
		                        			RESULTS:
		                        			Breast cancer survivors had a higher mean dietary isoflavone intake (23.59 mg/day) than cancer-free women (17.81 mg/day). Major food sources, including tofu, soybeans, and doenjang, contributed to over 70% of the isoflavone intake in both groups. When we estimated dietary isoflavone intake according to lifestyle characteristics, isoflavone intake increased with higher scores of adherence to the American Cancer Society dietary guidelines but decreased with increasing body mass index in both groups. Among cancer-free women, dietary isoflavone intake was higher among those who had never smoked and among dietary supplement users. Among breast cancer survivors, dietary isoflavone intakes did not vary with clinical characteristics, including time since surgery and estrogen receptor status. 
		                        		
		                        			CONCLUSION
		                        			Breast cancer survivors were more likely to consume isoflavones than agematched cancer-free women. Dietary isoflavone intake was associated with healthy lifestyle characteristics in women both with and without breast cancer. Further research is needed to understand the role of the higher isoflavone intake among breast cancer survivors compared to cancer-free women on their prognosis. 
		                        		
		                        		
		                        		
		                        	
3.Diabetes Fact Sheets in Korea 2024
Se Eun PARK ; Seung-Hyun KO ; Ji Yoon KIM ; Kyuho KIM ; Joon Ho MOON ; Nam Hoon KIM ; Kyung Do HAN ; Sung Hee CHOI ; Bong Soo CHA
Diabetes & Metabolism Journal 2025;49(1):24-33
		                        		
		                        			 Background:
		                        			This study aimed to investigate the prevalence, management, and comorbidities of diabetes mellitus among Korean adults. 
		                        		
		                        			Methods:
		                        			Data from the Korea National Health and Nutrition Examination Survey (2019–2022) were analyzed to assess the prevalence, treatment, risk factors, and comorbidities of diabetes. Comparisons between young and older adults with diabetes were emphasized. 
		                        		
		                        			Results:
		                        			Among Korean adults aged ≥30 years, the prevalence of diabetes is 15.5% during 2021–2022. Of these, 74.7% were aware of their condition, 70.9% received antidiabetic treatment, and only 32.4% achieved glycosylated hemoglobin (HbA1c) <6.5%. Moreover, 15.9% met the integrated management targets, which included HbA1c <6.5%, blood pressure <140/85 mm Hg, and low-density lipoprotein cholesterol <100 mg/dL. In young adults aged 19 to 39 years, the prevalence of diabetes was 2.2%. Among them, 43.3% were aware of their condition, 34.6% received treatment, and 29.6% achieved HbA1c <6.5%. Obesity affected 87.1%, and 26.9% had both hypertension and hypercholesterolemia. Among adults aged ≥65 years, the prevalence of diabetes was 29.3%, with awareness, treatment, and control rates of 78.8%, 75.7%, and 31.2%, respectively. Integrated management targets (HbA1c <7.5%, hypertension, and lipids) were achieved by 40.1%. 
		                        		
		                        			Conclusion
		                        			Diabetes mellitus remains highly prevalent among Korean adults, with significant gaps in integrated glycemic, blood pressure, and lipid control. Older adults with diabetes show higher awareness and treatment rates but limited integrated management outcomes. Young adults with diabetes bear a significant burden of obesity and comorbidities, alongside low awareness and treatment rates. Therefore, early intervention programs, education, and strategies tailored to younger populations are urgently required. 
		                        		
		                        		
		                        		
		                        	
4.Study Design and Protocol for a Randomized Controlled Trial of Enavogliflozin to Evaluate Cardiorenal Outcomes in Type 2 Diabetes (ENVELOP)
Nam Hoon KIM ; Soo LIM ; In-Kyung JEONG ; Eun-Jung RHEE ; Jun Sung MOON ; Ohk-Hyun RYU ; Hyuk-Sang KWON ; Jong Chul WON ; Sang Soo KIM ; Sang Yong KIM ; Bon Jeong KU ; Heung Yong JIN ; Sin Gon KIM ; Bong-Soo CHA ;
Diabetes & Metabolism Journal 2025;49(2):225-234
		                        		
		                        			 Background:
		                        			The novel sodium-glucose cotransporter-2 (SGLT2) inhibitor enavogliflozin effectively lowers glycosylated hemoglobin levels and body weights without the increased risk of serious adverse events; however, the long-term clinical benefits of enavogliflozin in terms of cardiovascular and renal outcomes have not been investigated. 
		                        		
		                        			Methods:
		                        			This study is an investigator-initiated, multicenter, randomized, pragmatic, open-label, active-controlled, non-inferiority trial. Eligible participants are adults (aged ≥19 years) with type 2 diabetes mellitus (T2DM) who have a history of, or are at risk of, cardiovascular disease. A total of 2,862 participants will be randomly assigned to receive either enavogliflozin or other SGLT2 inhibitors with proven cardiorenal benefits, such as dapagliflozin or empagliflozin. The primary endpoint is the time to the first occurrence of a composite of major adverse cardiovascular or renal events (Clinical Research Information Service registration number: KCT0009243). 
		                        		
		                        			Conclusion
		                        			This trial will determine whether enavogliflozin is non-inferior to dapagliflozin or empagliflozin in terms of cardiorenal outcomes in patients with T2DM and cardiovascular risk factors. This study will elucidate the role of enavogliflozin in preventing vascular complications in patients with T2DM. 
		                        		
		                        		
		                        		
		                        	
5.Diabetes Fact Sheets in Korea 2024
Se Eun PARK ; Seung-Hyun KO ; Ji Yoon KIM ; Kyuho KIM ; Joon Ho MOON ; Nam Hoon KIM ; Kyung Do HAN ; Sung Hee CHOI ; Bong Soo CHA
Diabetes & Metabolism Journal 2025;49(3):524-524
		                        		
		                        		
		                        		
		                        	
6.Dietary isoflavone intake among breast cancer survivors and cancer-free women
Sihan SONG ; Hyeong-Gon MOON ; Dong-Young NOH ; So-Youn JUNG ; Eun Sook LEE ; Zisun KIM ; Hyun Jo YOUN ; Jihyoung CHO ; Young Bum YOO ; Se Kyung LEE ; Jeong Eon LEE ; Seok Jin NAM ; Yoo Seok KIM ; Jun Won MIN ; Shinyoung JUN ; Hyojee JOUNG ; Jung Eun LEE
Nutrition Research and Practice 2025;19(1):80-95
		                        		
		                        			 BACKGROUND/OBJECTIVES:
		                        			Isoflavones are estrogen-like compounds found in plants and their health effects remain equivocal. We investigated dietary isoflavone intake and its associated factors in Korean breast cancer survivors, with a comparison to cancer-free women. 
		                        		
		                        			SUBJECTS/METHODS:
		                        			The usual dietary intake of breast cancer survivors (n = 981, mean age 52 yrs) in 9 hospitals between 2012 and 2019 was assessed using 3-day food records or food frequency questionnaires (FFQs). They were age-matched to 2,943 cancer-free women who completed FFQs as part of a nationwide study conducted between 2012 and 2016. We used the flavonoid database of common Korean foods and the Phenol-Explorer database to estimate isoflavone intake. The contribution of each food or food group to the total isoflavone intake was calculated. The adjusted least-squares means of dietary isoflavone intake according to lifestyle and clinical factors were calculated using generalized linear models. 
		                        		
		                        			RESULTS:
		                        			Breast cancer survivors had a higher mean dietary isoflavone intake (23.59 mg/day) than cancer-free women (17.81 mg/day). Major food sources, including tofu, soybeans, and doenjang, contributed to over 70% of the isoflavone intake in both groups. When we estimated dietary isoflavone intake according to lifestyle characteristics, isoflavone intake increased with higher scores of adherence to the American Cancer Society dietary guidelines but decreased with increasing body mass index in both groups. Among cancer-free women, dietary isoflavone intake was higher among those who had never smoked and among dietary supplement users. Among breast cancer survivors, dietary isoflavone intakes did not vary with clinical characteristics, including time since surgery and estrogen receptor status. 
		                        		
		                        			CONCLUSION
		                        			Breast cancer survivors were more likely to consume isoflavones than agematched cancer-free women. Dietary isoflavone intake was associated with healthy lifestyle characteristics in women both with and without breast cancer. Further research is needed to understand the role of the higher isoflavone intake among breast cancer survivors compared to cancer-free women on their prognosis. 
		                        		
		                        		
		                        		
		                        	
7.Diabetes Fact Sheets in Korea 2024
Se Eun PARK ; Seung-Hyun KO ; Ji Yoon KIM ; Kyuho KIM ; Joon Ho MOON ; Nam Hoon KIM ; Kyung Do HAN ; Sung Hee CHOI ; Bong Soo CHA
Diabetes & Metabolism Journal 2025;49(1):24-33
		                        		
		                        			 Background:
		                        			This study aimed to investigate the prevalence, management, and comorbidities of diabetes mellitus among Korean adults. 
		                        		
		                        			Methods:
		                        			Data from the Korea National Health and Nutrition Examination Survey (2019–2022) were analyzed to assess the prevalence, treatment, risk factors, and comorbidities of diabetes. Comparisons between young and older adults with diabetes were emphasized. 
		                        		
		                        			Results:
		                        			Among Korean adults aged ≥30 years, the prevalence of diabetes is 15.5% during 2021–2022. Of these, 74.7% were aware of their condition, 70.9% received antidiabetic treatment, and only 32.4% achieved glycosylated hemoglobin (HbA1c) <6.5%. Moreover, 15.9% met the integrated management targets, which included HbA1c <6.5%, blood pressure <140/85 mm Hg, and low-density lipoprotein cholesterol <100 mg/dL. In young adults aged 19 to 39 years, the prevalence of diabetes was 2.2%. Among them, 43.3% were aware of their condition, 34.6% received treatment, and 29.6% achieved HbA1c <6.5%. Obesity affected 87.1%, and 26.9% had both hypertension and hypercholesterolemia. Among adults aged ≥65 years, the prevalence of diabetes was 29.3%, with awareness, treatment, and control rates of 78.8%, 75.7%, and 31.2%, respectively. Integrated management targets (HbA1c <7.5%, hypertension, and lipids) were achieved by 40.1%. 
		                        		
		                        			Conclusion
		                        			Diabetes mellitus remains highly prevalent among Korean adults, with significant gaps in integrated glycemic, blood pressure, and lipid control. Older adults with diabetes show higher awareness and treatment rates but limited integrated management outcomes. Young adults with diabetes bear a significant burden of obesity and comorbidities, alongside low awareness and treatment rates. Therefore, early intervention programs, education, and strategies tailored to younger populations are urgently required. 
		                        		
		                        		
		                        		
		                        	
8.Study Design and Protocol for a Randomized Controlled Trial of Enavogliflozin to Evaluate Cardiorenal Outcomes in Type 2 Diabetes (ENVELOP)
Nam Hoon KIM ; Soo LIM ; In-Kyung JEONG ; Eun-Jung RHEE ; Jun Sung MOON ; Ohk-Hyun RYU ; Hyuk-Sang KWON ; Jong Chul WON ; Sang Soo KIM ; Sang Yong KIM ; Bon Jeong KU ; Heung Yong JIN ; Sin Gon KIM ; Bong-Soo CHA ;
Diabetes & Metabolism Journal 2025;49(2):225-234
		                        		
		                        			 Background:
		                        			The novel sodium-glucose cotransporter-2 (SGLT2) inhibitor enavogliflozin effectively lowers glycosylated hemoglobin levels and body weights without the increased risk of serious adverse events; however, the long-term clinical benefits of enavogliflozin in terms of cardiovascular and renal outcomes have not been investigated. 
		                        		
		                        			Methods:
		                        			This study is an investigator-initiated, multicenter, randomized, pragmatic, open-label, active-controlled, non-inferiority trial. Eligible participants are adults (aged ≥19 years) with type 2 diabetes mellitus (T2DM) who have a history of, or are at risk of, cardiovascular disease. A total of 2,862 participants will be randomly assigned to receive either enavogliflozin or other SGLT2 inhibitors with proven cardiorenal benefits, such as dapagliflozin or empagliflozin. The primary endpoint is the time to the first occurrence of a composite of major adverse cardiovascular or renal events (Clinical Research Information Service registration number: KCT0009243). 
		                        		
		                        			Conclusion
		                        			This trial will determine whether enavogliflozin is non-inferior to dapagliflozin or empagliflozin in terms of cardiorenal outcomes in patients with T2DM and cardiovascular risk factors. This study will elucidate the role of enavogliflozin in preventing vascular complications in patients with T2DM. 
		                        		
		                        		
		                        		
		                        	
9.Diabetes Fact Sheets in Korea 2024
Se Eun PARK ; Seung-Hyun KO ; Ji Yoon KIM ; Kyuho KIM ; Joon Ho MOON ; Nam Hoon KIM ; Kyung Do HAN ; Sung Hee CHOI ; Bong Soo CHA
Diabetes & Metabolism Journal 2025;49(3):524-524
		                        		
		                        		
		                        		
		                        	
10.Diabetes Fact Sheets in Korea 2024
Se Eun PARK ; Seung-Hyun KO ; Ji Yoon KIM ; Kyuho KIM ; Joon Ho MOON ; Nam Hoon KIM ; Kyung Do HAN ; Sung Hee CHOI ; Bong Soo CHA
Diabetes & Metabolism Journal 2025;49(1):24-33
		                        		
		                        			 Background:
		                        			This study aimed to investigate the prevalence, management, and comorbidities of diabetes mellitus among Korean adults. 
		                        		
		                        			Methods:
		                        			Data from the Korea National Health and Nutrition Examination Survey (2019–2022) were analyzed to assess the prevalence, treatment, risk factors, and comorbidities of diabetes. Comparisons between young and older adults with diabetes were emphasized. 
		                        		
		                        			Results:
		                        			Among Korean adults aged ≥30 years, the prevalence of diabetes is 15.5% during 2021–2022. Of these, 74.7% were aware of their condition, 70.9% received antidiabetic treatment, and only 32.4% achieved glycosylated hemoglobin (HbA1c) <6.5%. Moreover, 15.9% met the integrated management targets, which included HbA1c <6.5%, blood pressure <140/85 mm Hg, and low-density lipoprotein cholesterol <100 mg/dL. In young adults aged 19 to 39 years, the prevalence of diabetes was 2.2%. Among them, 43.3% were aware of their condition, 34.6% received treatment, and 29.6% achieved HbA1c <6.5%. Obesity affected 87.1%, and 26.9% had both hypertension and hypercholesterolemia. Among adults aged ≥65 years, the prevalence of diabetes was 29.3%, with awareness, treatment, and control rates of 78.8%, 75.7%, and 31.2%, respectively. Integrated management targets (HbA1c <7.5%, hypertension, and lipids) were achieved by 40.1%. 
		                        		
		                        			Conclusion
		                        			Diabetes mellitus remains highly prevalent among Korean adults, with significant gaps in integrated glycemic, blood pressure, and lipid control. Older adults with diabetes show higher awareness and treatment rates but limited integrated management outcomes. Young adults with diabetes bear a significant burden of obesity and comorbidities, alongside low awareness and treatment rates. Therefore, early intervention programs, education, and strategies tailored to younger populations are urgently required. 
		                        		
		                        		
		                        		
		                        	
            
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