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Abe, Hajime,Kawai, Yuki,Mori, Tsuyoshi,Tomida, Kaori,Kubota, Yoshihiro,Umeda, Tomoko,Tani, Tohru Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.11
Background: Goshajinkigan (GJG) is used for the treatment of several neurological symptoms. We investigated the efficacy of GJG and mecobalamin (B12) against neurotoxicity associated with docetaxel (DOC) in breast cancer patients. Materials and Methods: Sixty breast cancer patients were treated with DOC. Thirty-three patients (GJG group) received oral administration of 7.5 g/day GJG and 27 patients (B12 group) received oral administration of 1500 ${\mu}g/day$ B12. Neuropathy was evaluated according to DEB-NTC (Neurotoxicity Criteria of Debiopharm), Common Terminology Criteria for Adverse Events (NCI-CTC) ver. 3.0, and a visual analogue scale (VAS). This study employed a randomized open design. Results: The incidence of neuropathy was 39.3% in the GJG group, and 88.9% in the B12 group (p<0.01). In the GJG group, grade 1 DEB-NTC was observed in 2 cases, grade 2 in 5 cases and grade 3 in 5 cases. Grade 1 NCI-CTC was observed in 7 cases, grade 2 in 6 cases, and VAS was $2.7{\pm}2.2$. In the B12 group, grades 1, 2 and 3 DEB-NTC were observed in one case, 12 cases and 12 cases, respectively; and grades 1, 2 and 3 NCI-CTC were observed in 11 cases, 12 cases and one case, and VAS was $4.9{\pm}2.4$. Conclusions: Concomitant administration of GJG is useful in preventing neuropathy in breast cancer patients treated with a DOC regimen.
Abe, Hajime,Mori, Tsuyoshi,Kawai, Yuki,Tomida, Kaori,Yamazaki, Keiichi,Kubota, Yoshihiro,Umeda, Tomoko,Tani, Tohru Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.8
Background: The infusion rate is considered to affect incidence and severity of infusion reactions (IRs) caused by protein formulations. Trastuzumab (TRS) is approved for 90-minute infusion as the initial dose followed by 30-minute infusion with 250 ml saline. In the study, we evaluated the safety of TRS intravenously administered over 30 minutes with 100 ml saline to reduce burden of patients, safety of infusion with 250 ml saline already being established. Materials and Methods: Women with HER2 positive breast cancer, ${\geq}18$ years and ${\geq}55%$ left ventricular ejection fraction (LVEF), were registered in the study. Patients received 8mg/kg of TRS 250 ml over 90 minutes followed by 6mg/kg of TRS 100ml over 30 minutes in a three-week cycle. Results: A total of 31 patients were recruited, 24 for adjuvant therapy and seven with metastases. The median age was 59 years (range 39 to 82). The total number of TRS doses ranged from 5 to 17 with the median of 15. Mild IR occurred in two patients at the first dose. However, no IR was observed after reducing to 100 ml saline. No decrease of LVEF, increase of serum brain natriuretic peptide or any other adverse events were reported. Conclusions: Intravenous infusion of TRS with 100 ml saline over 30 minutes in breast cancer patients can be considered safe based on results from the study. It can be given on an outpatient basis as with the currently recommended dilution in 250 ml saline.
Abe, Hajime,Mori, Tsuyoshi,Kawai, Yuki,Tomida, Kaori,Kubota, Yoshihiro,Umeda, Tomoko,Tani, Tohru Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.8
Background: We compared treatment completion rates and safety of docetaxel and cyclophosphamide sixcycle therapy (TC6) with docetaxel followed by 5FU, epirubicin and cyclophosphamide (T-FEC) therapy in Japanese patients with human epidermal growth factor receptor 2 (HER2)-negative breast cancer. Materials and Methods: We administered TC6 q3w or T-FEC q3w to HER2-negative breast cancer patients. The primary endpoint of this trial was toxicity. As second endpoints, the treatment completion rate and relative dose intensity were evaluated. Results: The TC6 and T-FEC group consisted of 22 and 21 patients, respectively. Concerning hematological toxicity, grade 3 or higher adverse reactions included neutropenia and febrile neutropenia. As non-hematological adverse events, exanthema and peripheral neuropathy were frequently reported in the TC6 group, whereas more patients of the T-FEC group reported nausea and vomiting. In TC6, the treatment completion rate was 86.4% and the relative dose intensity of docetaxel was 93.2%. In T-FEC, the values were 95.2% and 98.9%, respectively. Conclusions: These results suggest that TC6 is tolerable in Japanese, and that this regimen can also be performed in outpatient clinics. However, with the TC6 regimen, the compliance was slightly lower than with the T-FEC regimen, and supportive therapy needs to be managed appropriately.
Evaluation of Histological Changes in Back Muscle Injuries in Rats over Time
Koki Abe,Kazuhide Inage,Yoshihiro Sakuma,Sumihisa Orita,Kazuyo Yamauchi,Miyako Suzuki,Go Kubota,Yasuhiro Oikawa,Takeshi Sainoh,Jun Sato,Kazuki Fujimoto,Yasuhiro Shiga,Hirohito Kanamoto,Kazuhisa Takaha 대한척추외과학회 2017 Asian Spine Journal Vol.11 No.1
Study Design: Animal model study. Purpose: The purpose of this study was to evaluate the histological variation in the injured muscle and production of calcitonin generelated peptide in rats over time. Overview of Literature: Vertebral surgery has been reported to cause atrophy of the back muscles, which may result in pain. However, few reports have described the time series histological variation in the injured muscle and changes in the dominant nerve. Methods: We used 30 male, 8-week-old Sprague-Dawley rats. The right and left sides of the paravertebral muscle were considered as the injured and uninjured sides, respectively. A 115 g weight was dropped from a height of 1 m on the right paravertebral muscle. Hematoxylin and eosin (H&E) staining of the muscle was performed 1–3 weeks after injury for histological evaluation. Fluoro-Gold (FG) was injected into the paravertebral muscle. The L2 dorsal root ganglia on both sides were resected 1, 2, and 3 weeks after injury, and immunohistochemical staining for calcitonin gene-related peptide was performed. Results: H&E staining of the paravertebral muscle showed infiltration of inflammatory cells and the presence of granulation tissue in the injured part on the ipsilateral side 1 week after injury. Muscle atrophy occurred 3 weeks after injury, but was repaired via spontaneous replacement of muscle cells/fibers. In contrast, compared with the uninjured side, the percentage of cells double-labeled with FG and calcitonin gene-related peptide in FG-positive cells in the dorsal root ganglia of the injured side was significantly increased at each time point throughout the study period. Conclusions: These results suggest that sensitization of the dominant nerve in the dorsal root ganglia, which may be caused by cicatrix formation, can protract injured muscle pain. This information may be helpful in elucidating the underlying mechanism of persistent pain after back muscle injury.
Agent based Simulation of Hot Strip Rolling Mills with Controllers
Keita Ohe,Koichi Nakano,Yoshihiro Abe,Masami Konishi 대한전자공학회 2008 ITC-CSCC :International Technical Conference on Ci Vol.2008 No.7
Currently, operators try to improve their operating situation under the changing production circumstances. Their operations are some kinds of empirical fruits of manufacturing experiences. It is an important problem in the future to maintain and to extend their technologies having been built up. For the purpose, methods and systems for technical inheritance of advanced techniques like the skilled engineers are needed which can train the unskilled operators and also assist skilled operators. In this research, simulation technology for hot strip rolling mills based on distributed agents is presented aimed to the diagnosis of hot strip rolling mills with controllers. In the operation of hot strip mills, human operators try to maintain rolling conditions in an appropriate situation. To help the operators, it is needed to build an intelligent rolling simulator which can check the whole rolling performances including control apparatus. To help human experts, it is necessary to simulate rolling phenomenon considering operating conditions in detail. It is also required to simulate results by changing control parameters. Visualization of three-dimensional rolling process, and simulation of defects in rolling mills that scarcely occur are studied. In the paper, development of agent based rolling simulator is presented.
Long-Term Outcomes of In Situ Fusion for Treating Dysplastic Spondylolisthesis
Kazuhide Inage,Sumihisa Orita,Kazuyo Yamauchi,Miyako Suzuki,Yoshihiro Sakuma,Go Kubota,Yasuhiro Oikawa,Takeshi Sainoh,Jun Sato,Kazuki Fujimoto,Yasuhiro Shiga,Koki Abe,Hirohito Kanamoto,Masahiro Inoue 대한척추외과학회 2017 Asian Spine Journal Vol.11 No.2
Study Design: Retrospective, observational, single-center study. Purpose: To investigate the long-term outcomes of in situ fusion procedures for treating dysplastic spondylolisthesis. Overview of Literature: In situ fusion performed in patients with dysplastic spondylolisthesis avoids the development of nerve complications. Methods: In total, 12 of 28 patients who underwent in situ fusion for treating dysplastic spondylolisthesis at Chiba University Hospital from 1974 to 2004 were followed up in August 2013. Surgical complications were evaluated. Low back pain and leg pain were assessed using a visual analog scale (VAS). Vertebral alignment, including the lumbosacral angle and lumbar lordosis angle measurement on radiographic images (profile view in the neutral standing position), was evaluated during preoperative, postoperative, and final examinations. Results: The mean follow-up duration, patient age at the final examination, and patient age at operation were 20.0±7.2, 42.3±13.3, and 22.3±11.4 years, respectively. No complications were reported. Mean VAS scores for low back pain and leg pain were significantly lower at the final examination than at the preoperative examination (p <0.05). At the preoperative, postoperative, and final examinations, the mean lumbosacral angle was 32.3°±14.2°, 33.7°±11.8°, and 36.5°±16.4°, while the mean lumbar lordosis angle was 51.0°±14.8°, 48.6°±18.8°, and 49.6°±15.5°, respectively. No significant differences were noted among these values across the different time periods (p <0.05). Conclusions: In situ fusion performed in patients with dysplastic spondylolisthesis avoids the development of nerve complications such as nerve paralysis that may occur after repositioning operation and maintains appropriate long-term sagittal alignment, even 20 years after operation.