1.Clinical Trial Protocol for Porcine Islet Xenotransplantation in South Korea
Byung-Joon KIM ; Jun-Seop SHIN ; Byoung-Hoon MIN ; Jong-Min KIM ; Chung-Gyu PARK ; Hee-Jung KANG ; Eung Soo HWANG ; Won-Woo LEE ; Jung-Sik KIM ; Hyun Je KIM ; Iov KWON ; Jae Sung KIM ; Geun Soo KIM ; Joonho MOON ; Du Yeon SHIN ; Bumrae CHO ; Heung-Mo YANG ; Sung Joo KIM ; Kwang-Won KIM
Diabetes & Metabolism Journal 2024;48(6):1160-1168
Background:
Islet transplantation holds promise for treating selected type 1 diabetes mellitus patients, yet the scarcity of human donor organs impedes widespread adoption. Porcine islets, deemed a viable alternative, recently demonstrated successful longterm survival without zoonotic risks in a clinically relevant pig-to-non-human primate islet transplantation model. This success prompted the development of a clinical trial protocol for porcine islet xenotransplantation in humans.
Methods:
A single-center, open-label clinical trial initiated by the sponsor will assess the safety and efficacy of porcine islet transplantation for diabetes patients at Gachon Hospital. The protocol received approval from the Gachon Hospital Institutional Review Board (IRB) and the Korean Ministry of Food and Drug Safety (MFDS) under the Investigational New Drug (IND) process. Two diabetic patients, experiencing inadequate glycemic control despite intensive insulin treatment and frequent hypoglycemic unawareness, will be enrolled. Participants and their family members will engage in deliberation before xenotransplantation during the screening period. Each patient will receive islets isolated from designated pathogen-free pigs. Immunosuppressants and systemic infection prophylaxis will follow the program schedule. The primary endpoint is to confirm the safety of porcine islets in patients, and the secondary endpoint is to assess whether porcine islets can reduce insulin dose and the frequency of hypoglycemic unawareness.
Conclusion
A clinical trial protocol adhering to global consensus guidelines for porcine islet xenotransplantation is presented, facilitating streamlined implementation of comparable human trials worldwide.
2.Clinical Trial Protocol for Porcine Islet Xenotransplantation in South Korea
Byung-Joon KIM ; Jun-Seop SHIN ; Byoung-Hoon MIN ; Jong-Min KIM ; Chung-Gyu PARK ; Hee-Jung KANG ; Eung Soo HWANG ; Won-Woo LEE ; Jung-Sik KIM ; Hyun Je KIM ; Iov KWON ; Jae Sung KIM ; Geun Soo KIM ; Joonho MOON ; Du Yeon SHIN ; Bumrae CHO ; Heung-Mo YANG ; Sung Joo KIM ; Kwang-Won KIM
Diabetes & Metabolism Journal 2024;48(6):1160-1168
Background:
Islet transplantation holds promise for treating selected type 1 diabetes mellitus patients, yet the scarcity of human donor organs impedes widespread adoption. Porcine islets, deemed a viable alternative, recently demonstrated successful longterm survival without zoonotic risks in a clinically relevant pig-to-non-human primate islet transplantation model. This success prompted the development of a clinical trial protocol for porcine islet xenotransplantation in humans.
Methods:
A single-center, open-label clinical trial initiated by the sponsor will assess the safety and efficacy of porcine islet transplantation for diabetes patients at Gachon Hospital. The protocol received approval from the Gachon Hospital Institutional Review Board (IRB) and the Korean Ministry of Food and Drug Safety (MFDS) under the Investigational New Drug (IND) process. Two diabetic patients, experiencing inadequate glycemic control despite intensive insulin treatment and frequent hypoglycemic unawareness, will be enrolled. Participants and their family members will engage in deliberation before xenotransplantation during the screening period. Each patient will receive islets isolated from designated pathogen-free pigs. Immunosuppressants and systemic infection prophylaxis will follow the program schedule. The primary endpoint is to confirm the safety of porcine islets in patients, and the secondary endpoint is to assess whether porcine islets can reduce insulin dose and the frequency of hypoglycemic unawareness.
Conclusion
A clinical trial protocol adhering to global consensus guidelines for porcine islet xenotransplantation is presented, facilitating streamlined implementation of comparable human trials worldwide.
3.Clinical Trial Protocol for Porcine Islet Xenotransplantation in South Korea
Byung-Joon KIM ; Jun-Seop SHIN ; Byoung-Hoon MIN ; Jong-Min KIM ; Chung-Gyu PARK ; Hee-Jung KANG ; Eung Soo HWANG ; Won-Woo LEE ; Jung-Sik KIM ; Hyun Je KIM ; Iov KWON ; Jae Sung KIM ; Geun Soo KIM ; Joonho MOON ; Du Yeon SHIN ; Bumrae CHO ; Heung-Mo YANG ; Sung Joo KIM ; Kwang-Won KIM
Diabetes & Metabolism Journal 2024;48(6):1160-1168
Background:
Islet transplantation holds promise for treating selected type 1 diabetes mellitus patients, yet the scarcity of human donor organs impedes widespread adoption. Porcine islets, deemed a viable alternative, recently demonstrated successful longterm survival without zoonotic risks in a clinically relevant pig-to-non-human primate islet transplantation model. This success prompted the development of a clinical trial protocol for porcine islet xenotransplantation in humans.
Methods:
A single-center, open-label clinical trial initiated by the sponsor will assess the safety and efficacy of porcine islet transplantation for diabetes patients at Gachon Hospital. The protocol received approval from the Gachon Hospital Institutional Review Board (IRB) and the Korean Ministry of Food and Drug Safety (MFDS) under the Investigational New Drug (IND) process. Two diabetic patients, experiencing inadequate glycemic control despite intensive insulin treatment and frequent hypoglycemic unawareness, will be enrolled. Participants and their family members will engage in deliberation before xenotransplantation during the screening period. Each patient will receive islets isolated from designated pathogen-free pigs. Immunosuppressants and systemic infection prophylaxis will follow the program schedule. The primary endpoint is to confirm the safety of porcine islets in patients, and the secondary endpoint is to assess whether porcine islets can reduce insulin dose and the frequency of hypoglycemic unawareness.
Conclusion
A clinical trial protocol adhering to global consensus guidelines for porcine islet xenotransplantation is presented, facilitating streamlined implementation of comparable human trials worldwide.
4.Clinical Trial Protocol for Porcine Islet Xenotransplantation in South Korea
Byung-Joon KIM ; Jun-Seop SHIN ; Byoung-Hoon MIN ; Jong-Min KIM ; Chung-Gyu PARK ; Hee-Jung KANG ; Eung Soo HWANG ; Won-Woo LEE ; Jung-Sik KIM ; Hyun Je KIM ; Iov KWON ; Jae Sung KIM ; Geun Soo KIM ; Joonho MOON ; Du Yeon SHIN ; Bumrae CHO ; Heung-Mo YANG ; Sung Joo KIM ; Kwang-Won KIM
Diabetes & Metabolism Journal 2024;48(6):1160-1168
Background:
Islet transplantation holds promise for treating selected type 1 diabetes mellitus patients, yet the scarcity of human donor organs impedes widespread adoption. Porcine islets, deemed a viable alternative, recently demonstrated successful longterm survival without zoonotic risks in a clinically relevant pig-to-non-human primate islet transplantation model. This success prompted the development of a clinical trial protocol for porcine islet xenotransplantation in humans.
Methods:
A single-center, open-label clinical trial initiated by the sponsor will assess the safety and efficacy of porcine islet transplantation for diabetes patients at Gachon Hospital. The protocol received approval from the Gachon Hospital Institutional Review Board (IRB) and the Korean Ministry of Food and Drug Safety (MFDS) under the Investigational New Drug (IND) process. Two diabetic patients, experiencing inadequate glycemic control despite intensive insulin treatment and frequent hypoglycemic unawareness, will be enrolled. Participants and their family members will engage in deliberation before xenotransplantation during the screening period. Each patient will receive islets isolated from designated pathogen-free pigs. Immunosuppressants and systemic infection prophylaxis will follow the program schedule. The primary endpoint is to confirm the safety of porcine islets in patients, and the secondary endpoint is to assess whether porcine islets can reduce insulin dose and the frequency of hypoglycemic unawareness.
Conclusion
A clinical trial protocol adhering to global consensus guidelines for porcine islet xenotransplantation is presented, facilitating streamlined implementation of comparable human trials worldwide.
5.Clinical Practice Guideline for Cardiac Rehabilitation in Korea
Chul KIM ; Jidong SUNG ; Jong Hwa LEE ; Won Seok KIM ; Goo Joo LEE ; Sungju JEE ; Il Young JUNG ; Ueon Woo RAH ; Byung Ok KIM ; Kyoung Hyo CHOI ; Bum Sun KWON ; Seung Don YOO ; Heui Je BANG ; Hyung Ik SHIN ; Yong Wook KIM ; Heeyoune JUNG ; Eung Ju KIM ; Jung Hwan LEE ; In Hyun JUNG ; Jae Seung JUNG ; Jong Young LEE ; Jae Young HAN ; Eun Young HAN ; Yu Hui WON ; Woosik HAN ; Sora BAEK ; Kyung Lim JOA ; Sook Joung LEE ; Ae Ryoung KIM ; So Young LEE ; Jihee KIM ; Hee Eun CHOI ; Byeong Ju LEE ; Soon KIM
The Korean Journal of Thoracic and Cardiovascular Surgery 2019;52(4):248-285
BACKGROUND:
Though clinical practice guidelines (CPGs) for cardiac rehabilitation (CR) are an effective and widely used treatment method worldwide, they are as yet not widely accepted in Korea. Given that cardiovascular disease is the second leading cause of death in Korea, it is urgent that CR programs be developed. In 2008, the Government of Korea implemented CR programs at 11 university hospitals as part of its Regional Cardio-Cerebrovascular Center Project, and 3 additional medical facilities will be added in 2019. In addition, owing to the promotion of CR nationwide and the introduction of CR insurance benefits, 40 medical institutions nationwide have begun CR programs even as a growing number of medical institutions are preparing to offer CR. The purpose of this research was to develop evidence-based CPGs to support CR implementation in Korea.
METHODS:
This study is based on an analysis of CPGs elsewhere in the world, an extensive literature search, a systematic analysis of multiple randomized control trials, and a CPG management, development, and assessment committee comprised of 33 authors—primarily rehabilitation specialists, cardiologists, and thoracic surgeons in 21 university hospitals and 2 general hospitals. Twelve consultants, primarily rehabilitation, sports medicine, and preventive medicine specialists, CPG experts, nurses, physical therapists, clinical nutritionists, and library and information experts participated in the research and development of these CPGs. After the draft guidelines were developed, 3 rounds of public hearings were held with staff members from relevant academic societies and stakeholders, after which the guidelines were further reviewed and modified.
RESULTS:
CR involves a more cost-effective use of healthcare resources relative to that of general treatments, and the exercise component of CR lowers cardiovascular mortality and readmission rates, regardless of the type of coronary heart disease and type and setting of CR.
CONCLUSION
Individualized CR programs should be considered together with various factors, including differences in heart function and lifestyle, and doing so will boost participation and adherence with the CR program, ultimately meeting the final goals of the program, namely reducing the recurrence of myocardial infarction and mortality rates.
6.Clinical Practice Guideline for Cardiac Rehabilitation in Korea: Recommendations for Cardiac Rehabilitation and Secondary Prevention after Acute Coronary Syndrome
Chul KIM ; Jidong SUNG ; Jong Hwa LEE ; Won Seok KIM ; Goo Joo LEE ; Sungju JEE ; Il Young JUNG ; Ueon Woo RAH ; Byung Ok KIM ; Kyoung Hyo CHOI ; Bum Sun KWON ; Seung Don YOO ; Heui Je BANG ; Hyung Ik SHIN ; Yong Wook KIM ; Heeyoune JUNG ; Eung Ju KIM ; Jung Hwan LEE ; In Hyun JUNG ; Jae Seung JUNG ; Jong Young LEE ; Jae Young HAN ; Eun Young HAN ; Yu Hui WON ; Woosik HAN ; Sora BAEK ; Kyung Lim JOA ; Sook Joung LEE ; Ae Ryoung KIM ; So Young LEE ; Jihee KIM ; Hee Eun CHOI ; Byeong Ju LEE ; Soon KIM
Korean Circulation Journal 2019;49(11):1066-1111
Though clinical practice guidelines (CPGs) for cardiac rehabilitation (CR) are an effective and widely used treatment method worldwide, they are as yet not widely accepted in Korea. Given that cardiovascular (CV) disease is the second leading cause of death in Korea, it is urgent that CR programs be developed. In 2008, the Government of Korea implemented CR programs at 11 university hospitals as part of its Regional Cardio-Cerebrovascular Center Project, and 3 additional medical facilities will be added in 2019. In addition, owing to the promotion of CR nationwide and the introduction of CR insurance benefits, 40 medical institutions nationwide have begun CR programs even as a growing number of medical institutions are preparing to offer CR. The purpose of this research was to develop evidence-based CPGs to support CR implementation in Korea. This study is based on an analysis of CPGs elsewhere in the world, an extensive literature search, a systematic analysis of multiple randomized control trials, and a CPG management, development, and assessment committee comprised of thirty-three authors—primarily rehabilitation specialists, cardiologists, and thoracic surgeons in 21 university hospitals and 2 general hospitals. Twelve consultants, primarily rehabilitation, sports medicine, and preventive medicine specialists, CPG experts, nurses, physical therapists, clinical nutritionists, and library and information experts participated in the research and development of these CPGs. After the draft guidelines were developed, 3 rounds of public hearings were held with staff members from relevant academic societies and stakeholders, after which the guidelines were further reviewed and modified. CR involves a more cost-effective use of healthcare resources relative to that of general treatments, and the exercise component of CR lowers CV mortality and readmission rates, regardless of the type of coronary heart disease and type and setting of CR. Individualized CR programs should be considered together with various factors, including differences in heart function and lifestyle, and doing so will boost participation and adherence with the CR program, ultimately meeting the final goals of the program, namely reducing the recurrence of myocardial infarction and mortality rates.
7.Clinical Practice Guideline for Cardiac Rehabilitation in Korea: Recommendations for Cardiac Rehabilitation and Secondary Prevention after Acute Coronary Syndrome
Chul KIM ; Jidong SUNG ; Jong Hwa LEE ; Won Seok KIM ; Goo Joo LEE ; Sungju JEE ; Il Young JUNG ; Ueon Woo RAH ; Byung Ok KIM ; Kyoung Hyo CHOI ; Bum Sun KWON ; Seung Don YOO ; Heui Je BANG ; Hyung Ik SHIN ; Yong Wook KIM ; Heeyoune JUNG ; Eung Ju KIM ; Jung Hwan LEE ; In Hyun JUNG ; Jae Seung JUNG ; Jong Young LEE ; Jae Young HAN ; Eun Young HAN ; Yu Hui WON ; Woosik HAN ; Sora BAEK ; Kyung Lim JOA ; Sook Joung LEE ; Ae Ryoung KIM ; So Young LEE ; Jihee KIM ; Hee Eun CHOI ; Byeong Ju LEE ; Soon KIM
Korean Circulation Journal 2019;49(11):1066-1111
Though clinical practice guidelines (CPGs) for cardiac rehabilitation (CR) are an effective and widely used treatment method worldwide, they are as yet not widely accepted in Korea. Given that cardiovascular (CV) disease is the second leading cause of death in Korea, it is urgent that CR programs be developed. In 2008, the Government of Korea implemented CR programs at 11 university hospitals as part of its Regional Cardio-Cerebrovascular Center Project, and 3 additional medical facilities will be added in 2019. In addition, owing to the promotion of CR nationwide and the introduction of CR insurance benefits, 40 medical institutions nationwide have begun CR programs even as a growing number of medical institutions are preparing to offer CR. The purpose of this research was to develop evidence-based CPGs to support CR implementation in Korea. This study is based on an analysis of CPGs elsewhere in the world, an extensive literature search, a systematic analysis of multiple randomized control trials, and a CPG management, development, and assessment committee comprised of thirty-three authors—primarily rehabilitation specialists, cardiologists, and thoracic surgeons in 21 university hospitals and 2 general hospitals. Twelve consultants, primarily rehabilitation, sports medicine, and preventive medicine specialists, CPG experts, nurses, physical therapists, clinical nutritionists, and library and information experts participated in the research and development of these CPGs. After the draft guidelines were developed, 3 rounds of public hearings were held with staff members from relevant academic societies and stakeholders, after which the guidelines were further reviewed and modified. CR involves a more cost-effective use of healthcare resources relative to that of general treatments, and the exercise component of CR lowers CV mortality and readmission rates, regardless of the type of coronary heart disease and type and setting of CR. Individualized CR programs should be considered together with various factors, including differences in heart function and lifestyle, and doing so will boost participation and adherence with the CR program, ultimately meeting the final goals of the program, namely reducing the recurrence of myocardial infarction and mortality rates.
Acute Coronary Syndrome
;
Cause of Death
;
Consultants
;
Coronary Disease
;
Delivery of Health Care
;
Heart
;
Hospitals, General
;
Hospitals, University
;
Humans
;
Insurance Benefits
;
Korea
;
Life Style
;
Methods
;
Mortality
;
Myocardial Infarction
;
Nutritionists
;
Physical Therapists
;
Preventive Medicine
;
Recurrence
;
Rehabilitation
;
Secondary Prevention
;
Specialization
;
Sports Medicine
;
Surgeons
8.Clinical Practice Guideline for Cardiac Rehabilitation in Korea
Chul KIM ; Jidong SUNG ; Jong Hwa LEE ; Won Seok KIM ; Goo Joo LEE ; Sungju JEE ; Il Young JUNG ; Ueon Woo RAH ; Byung Ok KIM ; Kyoung Hyo CHOI ; Bum Sun KWON ; Seung Don YOO ; Heui Je BANG ; Hyung Ik SHIN ; Yong Wook KIM ; Heeyoune JUNG ; Eung Ju KIM ; Jung Hwan LEE ; In Hyun JUNG ; Jae Seung JUNG ; Jong Young LEE ; Jae Young HAN ; Eun Young HAN ; Yu Hui WON ; Woosik HAN ; Sora BAEK ; Kyung Lim JOA ; Sook Joung LEE ; Ae Ryoung KIM ; So Young LEE ; Jihee KIM ; Hee Eun CHOI ; Byeong Ju LEE ; Soon KIM
The Korean Journal of Thoracic and Cardiovascular Surgery 2019;52(4):248-285
BACKGROUND: Though clinical practice guidelines (CPGs) for cardiac rehabilitation (CR) are an effective and widely used treatment method worldwide, they are as yet not widely accepted in Korea. Given that cardiovascular disease is the second leading cause of death in Korea, it is urgent that CR programs be developed. In 2008, the Government of Korea implemented CR programs at 11 university hospitals as part of its Regional Cardio-Cerebrovascular Center Project, and 3 additional medical facilities will be added in 2019. In addition, owing to the promotion of CR nationwide and the introduction of CR insurance benefits, 40 medical institutions nationwide have begun CR programs even as a growing number of medical institutions are preparing to offer CR. The purpose of this research was to develop evidence-based CPGs to support CR implementation in Korea. METHODS: This study is based on an analysis of CPGs elsewhere in the world, an extensive literature search, a systematic analysis of multiple randomized control trials, and a CPG management, development, and assessment committee comprised of 33 authors—primarily rehabilitation specialists, cardiologists, and thoracic surgeons in 21 university hospitals and 2 general hospitals. Twelve consultants, primarily rehabilitation, sports medicine, and preventive medicine specialists, CPG experts, nurses, physical therapists, clinical nutritionists, and library and information experts participated in the research and development of these CPGs. After the draft guidelines were developed, 3 rounds of public hearings were held with staff members from relevant academic societies and stakeholders, after which the guidelines were further reviewed and modified. RESULTS: CR involves a more cost-effective use of healthcare resources relative to that of general treatments, and the exercise component of CR lowers cardiovascular mortality and readmission rates, regardless of the type of coronary heart disease and type and setting of CR. CONCLUSION: Individualized CR programs should be considered together with various factors, including differences in heart function and lifestyle, and doing so will boost participation and adherence with the CR program, ultimately meeting the final goals of the program, namely reducing the recurrence of myocardial infarction and mortality rates.
Acute Coronary Syndrome
;
Cardiovascular Diseases
;
Cause of Death
;
Consultants
;
Coronary Disease
;
Delivery of Health Care
;
Heart
;
Hospitals, General
;
Hospitals, University
;
Humans
;
Insurance Benefits
;
Korea
;
Life Style
;
Methods
;
Mortality
;
Myocardial Infarction
;
Nutritionists
;
Physical Therapists
;
Preventive Medicine
;
Recurrence
;
Rehabilitation
;
Secondary Prevention
;
Specialization
;
Sports Medicine
;
Surgeons
9.Clinical Practice Guideline for Cardiac Rehabilitation in Korea Online only
Chul KIM ; Jidong SUNG ; Jong Hwa LEE ; Won Seok KIM ; Goo Joo LEE ; Sungju JEE ; Il Young JUNG ; Ueon Woo RAH ; Byung Ok KIM ; Kyoung Hyo CHOI ; Bum Sun KWON ; Seung Don YOO ; Heui Je BANG ; Hyung Ik SHIN ; Yong Wook KIM ; Heeyoune JUNG ; Eung Ju KIM ; Jung Hwan LEE ; In Hyun JUNG ; Jae Seung JUNG ; Jong Young LEE ; Jae Young HAN ; Eun Young HAN ; Yu Hui WON ; Woosik HAN ; Sora BAEK ; Kyung Lim JOA ; Sook Joung LEE ; Ae Ryoung KIM ; So Young LEE ; Jihee KIM ; Hee Eun CHOI ; Byeong Ju LEE ; Soon KIM
Annals of Rehabilitation Medicine 2019;43(3):355-356
OBJECTIVE: Though clinical practice guidelines (CPGs) for cardiac rehabilitation (CR) are an effective and widely used treatment method worldwide, they are as yet not widely accepted in Korea. Given that cardiovascular disease is the second leading cause of death in Korea, it is urgent that CR programs be developed. In 2008, the Government of Korea implemented CR programs at 11 university hospitals as part of its Regional Cardio-Cerebrovascular Center Project, and three additional medical facilities will be added in 2019. In addition, owing to the promotion of CR nationwide and the introduction of CR insurance benefits, 40 medical institutions nationwide have begun CR programs even as a growing number of medical institutions are preparing to offer CR. The purpose of this research was to develop evidence-based CPGs to support CR implementation in Korea. METHODS: This study is based on an analysis of CPGs elsewhere in the world, an extensive literature search, a systematic analysis of multiple randomized control trials, and a CPG management, development, and assessment committee comprised of 33 authors—primarily rehabilitation specialists, cardiologists, and thoracic surgeons in 21 university hospitals and two general hospitals. Twelve consultants, primarily rehabilitation, sports medicine, and preventive medicine specialists, CPG experts, nurses, physical therapists, clinical nutritionists, and library and information experts participated in the research and development of these CPGs. After the draft guidelines were developed, three rounds of public hearings were held with staff members from relevant academic societies and stakeholders, after which the guidelines were further reviewed and modified. PRINCIPAL CONCLUSIONS: CR involves a more cost-effective use of healthcare resources relative to that of general treatments, and the exercise component of CR lowers cardiovascular mortality and readmission rates, regardless of the type of coronary heart disease and type and setting of CR. Individualized CR programs should be considered together with various factors, including differences in heart function and lifestyle, and doing so will boost participation and adherence with the CR program, ultimately meeting the final goals of the program, namely reducing the recurrence of myocardial infarction and mortality rates.
Acute Coronary Syndrome
;
Cardiovascular Diseases
;
Cause of Death
;
Consultants
;
Coronary Disease
;
Delivery of Health Care
;
Heart
;
Hospitals, General
;
Hospitals, University
;
Humans
;
Insurance Benefits
;
Korea
;
Life Style
;
Methods
;
Mortality
;
Myocardial Infarction
;
Nutritionists
;
Physical Therapists
;
Preventive Medicine
;
Recurrence
;
Rehabilitation
;
Secondary Prevention
;
Specialization
;
Sports Medicine
;
Surgeons
10.A Pathophysiological Validation of Collagenase II-Induced Biochemical Osteoarthritis Animal Model in Rabbit.
Jaeseong PARK ; Jungsun LEE ; Kang Il KIM ; Jisoo LEE ; Seoyoung JANG ; Hyun Tae CHOI ; Youngsook SON ; Hyung Joong KIM ; Eung Je WOO ; EunAh LEE ; Tong In OH
Tissue Engineering and Regenerative Medicine 2018;15(4):437-444
BACKGROUND: Current dilemma working with surgically-induced OA (osteoarthritis) model include inconsistent pathological state due to various influence from surrounding tissues. On the contrary, biochemical induction of OA using collagenase II has several advantageous points in a sense that it does not involve surgery to induce model and the extent of induced cartilage degeneration is almost uniform. However, concerns still exists because biochemical OA model induce abrupt destruction of cartilage tissues through enzymatic digestion in a short period of time, and this might accompany systemic inflammatory response, which is rather a trait of RA (rheumatoid arthritis) than being a trait of OA. METHODS: To clear the concern about the systemic inflammatory response that might be caused by abrupt destruction of cartilage tissue, OA was induced to only one leg of an animal and the other leg was examined to confirm the presence of systemic degenerative effect. RESULTS: Although the cartilage tissues were rapidly degenerated during short period of time upon biochemical induction of OA, they did not accompanied with RA-like process based on the histology data showing degeneration of articular cartilage occurred only in the collagenase-injected knee joint. Scoring evaluation data indicated that the cartilage tissues in non-induced joint remained intact. Neutrophil count transiently increase between day 8 and day 16, and there were no significant change in other complete blood count profile showing a characteristics of OA disease. CONCLUSION: These study shows that biochemically induced cartilage degeneration truly represented uniform and reliable OA state.
Animals*
;
Blood Cell Count
;
Cartilage
;
Cartilage, Articular
;
Clothing
;
Collagenases*
;
Digestion
;
Inflammation
;
Joints
;
Knee Joint
;
Leg
;
Models, Animal*
;
Neutrophils
;
Osteoarthritis*
;
Regeneration

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