1.Evaluating the Efficacy and Safety of Hemofence (Thorombin Cross-Linked Sodium Hyaluronate Gel Matrix) in Hemostasis for Intractable Exudative Bleeding in Spinal Surgery: A Multicenter, Randomized, Phase III Clinical Trial
Sungjae AN ; Woo-Keun KWON ; Il CHOI ; Jang-Bo LEE ; Joohyun KIM ; Junseok W. HUR
Neurospine 2024;21(3):1004-1013
Objective:
To demonstrate the noninferiority of the novel hemostatic agent, Hemofence (BMI Korea Co., Ltd., thrombin cross-linked sodium hyaluronate gel matrix) compared to the established agent, Floseal Hemostatic Matrix (Baxter, thrombin-gelatin matrix) in achieving hemostasis for spinal surgeries, with secondary objectives to assess additional efficacy and safety.
Methods:
This clinical trial was a multicenter, randomized, subject-blinded, active-controlled, parallel-group, phase 3 study. Investigational drugs were administered to the first and second bleeding sites of each participant (or only to the first site if a second site was absent), evaluating hemostasis success rate within 10 minutes and the time to achieve hemostasis. Subsequent visits were conducted for safety assessments. For noninferiority test, a 97.5% one-sided confidence interval (CI) was used; the test group was deemed noninferior if the lower limit exceeded -10%.
Results:
This trial showed a 97.10% success rate in the test group and 96.05% in the control group for primary efficacy. The 95% CI (-4.90% to 7.44%) confirmed the test drug’s noninferiority. Time to hemostasis showed no significant difference between groups. All adverse events, adverse drug reactions, and serious adverse events were statistically similar between groups (p=1.000, p=0.243, and p=0.966, respectively).
Conclusion
A novel hemostatic agent, Hemofence, demonstrated an efficacy and safety profile comparable to that of Floseal.
2.Evaluating the Efficacy and Safety of Hemofence (Thorombin Cross-Linked Sodium Hyaluronate Gel Matrix) in Hemostasis for Intractable Exudative Bleeding in Spinal Surgery: A Multicenter, Randomized, Phase III Clinical Trial
Sungjae AN ; Woo-Keun KWON ; Il CHOI ; Jang-Bo LEE ; Joohyun KIM ; Junseok W. HUR
Neurospine 2024;21(3):1004-1013
Objective:
To demonstrate the noninferiority of the novel hemostatic agent, Hemofence (BMI Korea Co., Ltd., thrombin cross-linked sodium hyaluronate gel matrix) compared to the established agent, Floseal Hemostatic Matrix (Baxter, thrombin-gelatin matrix) in achieving hemostasis for spinal surgeries, with secondary objectives to assess additional efficacy and safety.
Methods:
This clinical trial was a multicenter, randomized, subject-blinded, active-controlled, parallel-group, phase 3 study. Investigational drugs were administered to the first and second bleeding sites of each participant (or only to the first site if a second site was absent), evaluating hemostasis success rate within 10 minutes and the time to achieve hemostasis. Subsequent visits were conducted for safety assessments. For noninferiority test, a 97.5% one-sided confidence interval (CI) was used; the test group was deemed noninferior if the lower limit exceeded -10%.
Results:
This trial showed a 97.10% success rate in the test group and 96.05% in the control group for primary efficacy. The 95% CI (-4.90% to 7.44%) confirmed the test drug’s noninferiority. Time to hemostasis showed no significant difference between groups. All adverse events, adverse drug reactions, and serious adverse events were statistically similar between groups (p=1.000, p=0.243, and p=0.966, respectively).
Conclusion
A novel hemostatic agent, Hemofence, demonstrated an efficacy and safety profile comparable to that of Floseal.
3.Evaluating the Efficacy and Safety of Hemofence (Thorombin Cross-Linked Sodium Hyaluronate Gel Matrix) in Hemostasis for Intractable Exudative Bleeding in Spinal Surgery: A Multicenter, Randomized, Phase III Clinical Trial
Sungjae AN ; Woo-Keun KWON ; Il CHOI ; Jang-Bo LEE ; Joohyun KIM ; Junseok W. HUR
Neurospine 2024;21(3):1004-1013
Objective:
To demonstrate the noninferiority of the novel hemostatic agent, Hemofence (BMI Korea Co., Ltd., thrombin cross-linked sodium hyaluronate gel matrix) compared to the established agent, Floseal Hemostatic Matrix (Baxter, thrombin-gelatin matrix) in achieving hemostasis for spinal surgeries, with secondary objectives to assess additional efficacy and safety.
Methods:
This clinical trial was a multicenter, randomized, subject-blinded, active-controlled, parallel-group, phase 3 study. Investigational drugs were administered to the first and second bleeding sites of each participant (or only to the first site if a second site was absent), evaluating hemostasis success rate within 10 minutes and the time to achieve hemostasis. Subsequent visits were conducted for safety assessments. For noninferiority test, a 97.5% one-sided confidence interval (CI) was used; the test group was deemed noninferior if the lower limit exceeded -10%.
Results:
This trial showed a 97.10% success rate in the test group and 96.05% in the control group for primary efficacy. The 95% CI (-4.90% to 7.44%) confirmed the test drug’s noninferiority. Time to hemostasis showed no significant difference between groups. All adverse events, adverse drug reactions, and serious adverse events were statistically similar between groups (p=1.000, p=0.243, and p=0.966, respectively).
Conclusion
A novel hemostatic agent, Hemofence, demonstrated an efficacy and safety profile comparable to that of Floseal.
4.Improvement strategies for accessibility and quality of rehabilitation medicine through a Korea-Japan comparative study
Yohan SHIN ; Kye Hyun KIM ; Bongsik WOO ; Joohyun KANG
Journal of the Korean Medical Association 2024;67(12):781-787
Rehabilitation medicine in Korea has improved significantly; however, the rehabilitation medical delivery system still lacks well-established continuity and comprehensiveness. Since 2000, Japan has implemented a convalescent rehabilitation ward system, with continuous improvements in policies and criteria based on clinical needs. This study compared the rehabilitation systems of Korea and Japan, focusing on institutional standards and the scope of target patients in order to explore directions for enhancing the Korean system.Current Concepts: Japan applies a multi-tiered reporting system for rehabilitation wards, categorizing wards and adjusting reimbursements based on performance indicators such as functional improvement rates, discharge-tohome rates, and rehabilitation effectiveness indices. Additionally, Japan’s policies encompass a broad range of target diseases and flexible admission criteria, improving accessibility. In Korea, the scope of target diseases is relatively narrow, limiting opportunities for patients to receive appropriate rehabilitation treatment.Discussion and Conclusion: Korea could benefit from adopting a multitiered system and performance-based reimbursement structure, as seen in Japan’s model. Expanding the range of eligible conditions and reviewing certification requirements can enhance the accessibility and quality of rehabilitation services. These changes are expected to foster an environment in which patients can receive timely and comprehensive rehabilitation care, thereby facilitating physical recovery and reintegration into society.
5.Improvement strategies for accessibility and quality of rehabilitation medicine through a Korea-Japan comparative study
Yohan SHIN ; Kye Hyun KIM ; Bongsik WOO ; Joohyun KANG
Journal of the Korean Medical Association 2024;67(12):781-787
Rehabilitation medicine in Korea has improved significantly; however, the rehabilitation medical delivery system still lacks well-established continuity and comprehensiveness. Since 2000, Japan has implemented a convalescent rehabilitation ward system, with continuous improvements in policies and criteria based on clinical needs. This study compared the rehabilitation systems of Korea and Japan, focusing on institutional standards and the scope of target patients in order to explore directions for enhancing the Korean system.Current Concepts: Japan applies a multi-tiered reporting system for rehabilitation wards, categorizing wards and adjusting reimbursements based on performance indicators such as functional improvement rates, discharge-tohome rates, and rehabilitation effectiveness indices. Additionally, Japan’s policies encompass a broad range of target diseases and flexible admission criteria, improving accessibility. In Korea, the scope of target diseases is relatively narrow, limiting opportunities for patients to receive appropriate rehabilitation treatment.Discussion and Conclusion: Korea could benefit from adopting a multitiered system and performance-based reimbursement structure, as seen in Japan’s model. Expanding the range of eligible conditions and reviewing certification requirements can enhance the accessibility and quality of rehabilitation services. These changes are expected to foster an environment in which patients can receive timely and comprehensive rehabilitation care, thereby facilitating physical recovery and reintegration into society.
6.Evaluating the Efficacy and Safety of Hemofence (Thorombin Cross-Linked Sodium Hyaluronate Gel Matrix) in Hemostasis for Intractable Exudative Bleeding in Spinal Surgery: A Multicenter, Randomized, Phase III Clinical Trial
Sungjae AN ; Woo-Keun KWON ; Il CHOI ; Jang-Bo LEE ; Joohyun KIM ; Junseok W. HUR
Neurospine 2024;21(3):1004-1013
Objective:
To demonstrate the noninferiority of the novel hemostatic agent, Hemofence (BMI Korea Co., Ltd., thrombin cross-linked sodium hyaluronate gel matrix) compared to the established agent, Floseal Hemostatic Matrix (Baxter, thrombin-gelatin matrix) in achieving hemostasis for spinal surgeries, with secondary objectives to assess additional efficacy and safety.
Methods:
This clinical trial was a multicenter, randomized, subject-blinded, active-controlled, parallel-group, phase 3 study. Investigational drugs were administered to the first and second bleeding sites of each participant (or only to the first site if a second site was absent), evaluating hemostasis success rate within 10 minutes and the time to achieve hemostasis. Subsequent visits were conducted for safety assessments. For noninferiority test, a 97.5% one-sided confidence interval (CI) was used; the test group was deemed noninferior if the lower limit exceeded -10%.
Results:
This trial showed a 97.10% success rate in the test group and 96.05% in the control group for primary efficacy. The 95% CI (-4.90% to 7.44%) confirmed the test drug’s noninferiority. Time to hemostasis showed no significant difference between groups. All adverse events, adverse drug reactions, and serious adverse events were statistically similar between groups (p=1.000, p=0.243, and p=0.966, respectively).
Conclusion
A novel hemostatic agent, Hemofence, demonstrated an efficacy and safety profile comparable to that of Floseal.
7.Improvement strategies for accessibility and quality of rehabilitation medicine through a Korea-Japan comparative study
Yohan SHIN ; Kye Hyun KIM ; Bongsik WOO ; Joohyun KANG
Journal of the Korean Medical Association 2024;67(12):781-787
Rehabilitation medicine in Korea has improved significantly; however, the rehabilitation medical delivery system still lacks well-established continuity and comprehensiveness. Since 2000, Japan has implemented a convalescent rehabilitation ward system, with continuous improvements in policies and criteria based on clinical needs. This study compared the rehabilitation systems of Korea and Japan, focusing on institutional standards and the scope of target patients in order to explore directions for enhancing the Korean system.Current Concepts: Japan applies a multi-tiered reporting system for rehabilitation wards, categorizing wards and adjusting reimbursements based on performance indicators such as functional improvement rates, discharge-tohome rates, and rehabilitation effectiveness indices. Additionally, Japan’s policies encompass a broad range of target diseases and flexible admission criteria, improving accessibility. In Korea, the scope of target diseases is relatively narrow, limiting opportunities for patients to receive appropriate rehabilitation treatment.Discussion and Conclusion: Korea could benefit from adopting a multitiered system and performance-based reimbursement structure, as seen in Japan’s model. Expanding the range of eligible conditions and reviewing certification requirements can enhance the accessibility and quality of rehabilitation services. These changes are expected to foster an environment in which patients can receive timely and comprehensive rehabilitation care, thereby facilitating physical recovery and reintegration into society.
8.Evaluating the Efficacy and Safety of Hemofence (Thorombin Cross-Linked Sodium Hyaluronate Gel Matrix) in Hemostasis for Intractable Exudative Bleeding in Spinal Surgery: A Multicenter, Randomized, Phase III Clinical Trial
Sungjae AN ; Woo-Keun KWON ; Il CHOI ; Jang-Bo LEE ; Joohyun KIM ; Junseok W. HUR
Neurospine 2024;21(3):1004-1013
Objective:
To demonstrate the noninferiority of the novel hemostatic agent, Hemofence (BMI Korea Co., Ltd., thrombin cross-linked sodium hyaluronate gel matrix) compared to the established agent, Floseal Hemostatic Matrix (Baxter, thrombin-gelatin matrix) in achieving hemostasis for spinal surgeries, with secondary objectives to assess additional efficacy and safety.
Methods:
This clinical trial was a multicenter, randomized, subject-blinded, active-controlled, parallel-group, phase 3 study. Investigational drugs were administered to the first and second bleeding sites of each participant (or only to the first site if a second site was absent), evaluating hemostasis success rate within 10 minutes and the time to achieve hemostasis. Subsequent visits were conducted for safety assessments. For noninferiority test, a 97.5% one-sided confidence interval (CI) was used; the test group was deemed noninferior if the lower limit exceeded -10%.
Results:
This trial showed a 97.10% success rate in the test group and 96.05% in the control group for primary efficacy. The 95% CI (-4.90% to 7.44%) confirmed the test drug’s noninferiority. Time to hemostasis showed no significant difference between groups. All adverse events, adverse drug reactions, and serious adverse events were statistically similar between groups (p=1.000, p=0.243, and p=0.966, respectively).
Conclusion
A novel hemostatic agent, Hemofence, demonstrated an efficacy and safety profile comparable to that of Floseal.
9.Survival Outcomes Based on Axillary Surgery in Ductal Carcinoma In Situ:A Nationwide Study From the Korean Breast Cancer Society
Bong Kyun KIM ; Joohyun WOO ; Jeeyeon LEE ; Eunhye KANG ; Soo Yeon BAEK ; Seokwon LEE ; Hyouk Jin LEE ; Jina LEE ; Woo Young SUN ;
Journal of Breast Cancer 2024;27(1):1-13
Purpose:
In total mastectomy (TM), sentinel lymph node biopsy (SLNB) is recommended but can be omitted for breast-conserving surgery (BCS) in patients with ductal carcinoma in situ (DCIS). However, concerns regarding SLNB-related complications and their impact on quality of life exist. Consequently, further research is required to evaluate the role of axillary surgeries, including SLNB, in the treatment of TM. We aimed to explore the clinicopathological factors and outcomes associated with axillary surgery in patients with a final diagnosis of pure DCIS who underwent BCS or TM.
Methods:
We retrospectively analyzed large-scale data from the Korean Breast Cancer Society registration database, highlighting on patients diagnosed with pure DCIS who underwent surgery and were categorized into two groups: BCS and TM. Patients were further categorized into surgery and non-surgery groups according to their axillary surgery status. The analysis compared clinicopathological factors and outcomes according to axillary surgery status between the BCS and TM groups.
Results:
Among 18,196 patients who underwent surgery for DCIS between 1981 and 2022, 11,872 underwent BCS and 6,324 underwent TM. Both groups leaned towards axillary surgery more frequently for large tumors. In the BCS group, clinical lymph node status was associated with axillary surgery (odds ratio, 11.101; p = 0.003). However, in the TM group, no significant differences in these factors were observed. Survival rates did not vary between groups according to axillary surgery performance.
Conclusion
The decision to perform axillary surgery in patients with a final diagnosis of pure DCIS does not affect the prognosis, regardless of the breast surgical method.Furthermore, regardless of the breast surgical method, axillary surgery, including SLNB, should be considered for high-risk patients, such as those with large tumors. This may reduce unnecessary axillary surgery and enhance the patients’ quality of life.
10.Borderline Personality Pathology in Major Depressive Disorder, Bipolar I and II Disorder, and Its Relationship With Childhood Trauma
Ji Seon YOU ; Chan Woo LEE ; Ji Yoon PARK ; Yoonjeong JANG ; Hyeona YU ; Joohyun YOON ; Sarah Soonji KWON ; Sunghee OH ; Yun Seong PARK ; Hyun A RYOO ; Jong Hun LEE ; Daseul LEE ; Jakyung LEE ; Yeoju KIM ; Nayoung CHO ; Hong Kyu IHM ; C. Hyung Keun PARK ; Yeong Chan LEE ; Hong-Hee WON ; Hyo Shin KANG ; Ji Hyun BEAK ; Tae Hyon HA ; Woojae MYUNG
Psychiatry Investigation 2022;19(11):909-918
Objective:
Mood disorder and borderline personality pathology (BPP) are frequently comorbid and relate to childhood trauma. We investigated the relationship between childhood trauma and BPP features in mood disorder patients versus controls.
Methods:
A total of 488 mood disorder patients, particularly major depressive disorder (MDD), bipolar I disorder (BD I), and bipolar II disorder (BD II), and 734 controls were included. We examined between-group BPP-related differences and correlated between BPP and childhood trauma using the Childhood Trauma Questionnaire-Short Form (CTQ) and the Personality Assessment Inventory–Borderline Features Scale.
Results:
BD II patients showed significantly higher BPP. Emotional abuse and neglect were prominently associated with BPP, while affective instability and negative relationships exhibited a stronger association with childhood trauma. We also found a positive relationship between childhood trauma and BPP in MDD, BD I, and BD II patients.
Conclusion
The findings of the present study imply that BPP features are more likely to be found in patients with BD II than BD I or MDD. Mood disorder patients with severe childhood trauma may have higher BPP features. Thus, further study of the relationship between childhood trauma and BPP features could improve the therapeutic approaches and help understand patients with mood disorders.

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