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Kojima T, Kasai H, Tsushima T, Hara H, Mori Y, Ishihara R, Kato K, Hironaka S, Mukai K, Kikuchi O, Enomoto K, Tada H, Uozumi R, Kawaguchi A, Muto M. A phase II study of TAS-102 for advanced/recurrent esophageal cancer refractory/intolerable to standard therapies. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx369.023] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Toshima T, Nagasaka T, Mori Y, Kawai T, YASUI K, Fuji T, Taniguchi F, Kimura K, Kishimoto H, Umeda Y, Goel A, Fujiwara T. A novel circulating cell free DNA-based assay can predict tumor response to systematic chemotherapy. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx390.043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Mori Y, Suzuki N, Nagasaka T, Tanioka H, Iwamoto Y, Neki Y, Yamatsuji T, Kobayashi M, Nakajima M, Ojima Y, Ikeda S, Kawamoto K, Shinozaki K, Tsuji A, Hinoi T, Yamaguchi Y, Yamashita K, Shimokawa M, Okajima M, Hazama S. Multicenter phase II study of biweekly XELIRI plus bevacizumab as a second-line therapy in patients with metastatic colorectal cancer (JSWOG-C3 study). Ann Oncol 2017. [DOI: 10.1093/annonc/mdx393.047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Miwa H, Uedo N, Watari J, Mori Y, Sakurai Y, Takanami Y, Nishimura A, Tatsumi T, Sakaki N. Randomised clinical trial: efficacy and safety of vonoprazan vs. lansoprazole in patients with gastric or duodenal ulcers - results from two phase 3, non-inferiority randomised controlled trials. Aliment Pharmacol Ther 2017; 45:240-252. [PMID: 27891632 PMCID: PMC6680291 DOI: 10.1111/apt.13876] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Revised: 06/14/2016] [Accepted: 11/03/2016] [Indexed: 12/11/2022]
Abstract
BACKGROUND Vonoprazan is a new potassium-competitive acid blocker for treatment of acid-related diseases. AIM To conduct two randomised-controlled trials, to evaluate the non-inferiority of vonoprazan vs. lansoprazole, a proton pump inhibitor, for treatment of gastric ulcer (GU) or duodenal ulcer (DU). METHODS Patients aged ≥20 years with ≥1 endoscopically-confirmed GU or DU (≥5 mm white coating) were randomised 1:1 using double-dummy blinding to receive lansoprazole (30 mg) or vonoprazan (20 mg) for 8 (GU study) or 6 (DU study) weeks. The primary endpoint was the proportion of patients with endoscopically confirmed healed GU or DU. RESULTS For GU, 93.5% (216/231) of vonoprazan-treated patients and 93.8% (211/225) of lansoprazole-treated patients achieved healed GU; non-inferiority of vonoprazan to lansoprazole was confirmed [difference = -0.3% (95% CI -4.750, 4.208); P = 0.0011]. For DU, 95.5% (170/178) of vonoprazan-treated patients and 98.3% (177/180) of lansoprazole-treated patients achieved healed DU; non-inferiority to lansoprazole was not confirmed [difference = -2.8% (95% CI -6.400, 0.745); P = 0.0654]. The incidences of treatment-emergent adverse events were slightly lower for GU and slightly higher for DU with vonoprazan than with lansoprazole. There was one death (subarachnoid haemorrhage) in the vonoprazan group (DU). The possibility of a relationship between this unexpected patient death and the study drug could not be ruled out. In both studies, increases in serum gastrin levels were greater in vonoprazan-treated vs. lansoprazole-treated patients; levels returned to baseline after treatment in both groups. CONCLUSIONS Vonoprazan 20 mg has a similar tolerability profile to lansoprazole 30 mg and is non-inferior with respect to GU healing and has similar efficacy for DU healing.
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Nagasaka T, Nyuya A, Toshima T, Kawai T, Yasui K, Kimura K, Mori Y, Umeda Y, Kishimoto H, Fujiwara T. 53P Update results of a novel assay for the detection of methylated CpGs from sputum to screen patients with lung cancer. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw574.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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56
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Oye KA, Eichler HG, Hoos A, Mori Y, Mullin TM, Pearson M. Pharmaceuticals Licensing and Reimbursement in the European Union, United States, and Japan. Clin Pharmacol Ther 2016; 100:626-632. [DOI: 10.1002/cpt.505] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2016] [Revised: 08/22/2016] [Accepted: 08/28/2016] [Indexed: 12/26/2022]
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Mori Y, Ikeda K, Inomata T, Yoshimoto G, Fujii N, Ago H, Teshima T. Ruxolitinib treatment for GvHD in patients with myelofibrosis. Bone Marrow Transplant 2016; 51:1584-1587. [PMID: 27721370 DOI: 10.1038/bmt.2016.256] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2016] [Revised: 08/15/2016] [Accepted: 08/18/2016] [Indexed: 11/09/2022]
Abstract
Jak1/2 inhibitor ruxolitinib is a promising agent for treating steroid-refractory GvHD after allogeneic hematopoietic stem cell transplantation (SCT) to produce quick and durable responses. However, optimal dose and tapering schedule of ruxolitinib remain to be determined. Discontinuation of ruxolitinib in myelofibrosis often induces 'withdrawal syndrome' characterized by acute relapse of the disease, but this issue is not well addressed in the treatment of GvHD. Four patients with GvHD (one acute and three chronic) after SCT for myelofibrosis were treated with ruxolitinib. Low-dose ruxolitinib at 5 mg/day was safe and effective, but one of two patients treated at 10 mg/day of ruxolitinib was complicated with severe cytopenia. Withdrawal syndrome developed in one patient, who died of recurrence of GvHD shortly after discontinuation of ruxolitinib. Slow tapering or maintenance with low-dose ruxolitinib inhibited GvHD flare. Our experience calls attention that initiation at low-dose of ruxolitinib may be safe and careful tapering schedule is required to avoid withdrawal syndrome in patients with GvHD after SCT for myelofibrosis.
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Taniguchi H, Uehara K, Nakayama H, Nakayama G, Takahashi T, Nakano Y, Matsuoka H, Utsunomiya S, Sakamoto E, Mori Y, Komori K, Tajika M, Muro K, Yatabe Y. The location of colorectal cancer (right- vs. left-sided colon and rectum) affects the prevalence of BRAF V600E, non-V600E and PIK3CA mutations: a prospective registration study in the Aichi Cancer Network. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw370.117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Takemoto S, Shibamoto Y, Hashizume C, Miyakawa A, Uchiyama K, Baba F, Mori Y, Otsuka S, Iwata H, Yanagi T. Pulmonary Function Changes After Stereotactic Body Radiation Therapy (SBRT) for Lung Cancer and Correlation With Dose-Volume Parameters. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.1757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Hoshi K, Fujihara Y, Mori Y, Asawa Y, Kanazawa S, Nishizawa S, Misawa M, Numano T, Inoue H, Sakamoto T, Watanabe M, Komura M, Takato T. Production of three-dimensional tissue-engineered cartilage through mutual fusion of chondrocyte pellets. Int J Oral Maxillofac Surg 2016; 45:1177-85. [DOI: 10.1016/j.ijom.2016.03.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2014] [Revised: 08/07/2015] [Accepted: 03/02/2016] [Indexed: 10/21/2022]
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Ono E, Murota H, Mori Y, Yoshioka Y, Katamaya I. 055 Metabolomics analysis of sweat derived from atopic dermatitis by use of nuclear magnetic resonance. J Invest Dermatol 2016. [DOI: 10.1016/j.jid.2016.06.072] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Süß S, Sobisch T, Lerche D, Mori Y, Peukert W, Segets D. Classification of Nanoparticles by Size-Selective Precipitation: The Role of Solubility Parameters. CHEM-ING-TECH 2016. [DOI: 10.1002/cite.201650451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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63
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Hata A, Inoue F, Hamamoto Y, Yamasaki M, Fujikawa J, Kawahara H, Kawasaki Y, Honjo S, Koshiyama H, Moriishi E, Mori Y, Ohkubo T. Efficacy and safety of live varicella zoster vaccine in diabetes: a randomized, double-blind, placebo-controlled trial. Diabet Med 2016; 33:1094-101. [PMID: 26605507 DOI: 10.1111/dme.13038] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/18/2015] [Indexed: 11/30/2022]
Abstract
AIMS To elucidate varicella zoster virus (VZV)-specific cell-mediated immunity and humoral immunogenicity against live attenuated Oka varicella zoster vaccine concurrently vaccinated with 23-valent pneumococcal polysaccharide vaccine (PPSV23) in elderly people with diabetes mellitus. METHODS This double-blind randomized controlled single-centre study of 60-70-year-old people with diabetes compared immunity and safety profiles 3 months after one dose of varicella zoster vaccine or placebo. PPSV23 was immunized simultaneously. Primary analysis evaluated cell-mediated immunity using the VZV skin test. Secondary analyses were a VZV interferon-γ enzyme-linked immunospot (ELISPOT) assay and immunoadherence haemagglutination test. Adverse experiences were recorded using diary questionnaires. RESULTS By intent-to-treat analysis, 27 participants with diabetes who had been administered the vaccine were compared with 27 participants who were given a placebo. Changes in skin test scores were 0.41 ± 0.80 and 0.11 ± 0.93 (P = 0.2155), and geometric mean fold rises of the ELISPOT counts were 1.2 [95% confidence interval (CI) 0.2, 7.9] and 1.2 (95% CI 0.2, 7.3) (P = 0.989) in the vaccine and placebo groups, respectively. The geometric mean titre did not increase 3 months after vaccination in either group. No vaccination-related severe adverse experience was reported and no participant developed herpes zoster. DISCUSSION Our previous results demonstrated that varicella zoster vaccine safely enhanced VZV-specific immunity in elderly people with or without diabetes. The results of this study showed that varicella zoster vaccine can be used safely, but it cannot boost virus-specific immunity in elderly people with diabetes when administered with concurrent PPSV23. Alternative strategies are needed to prevent VZV-associated diseases in this population.
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Mori Y, Nishimura Y, Hanayama R, Nakayama S, Ishii K, Kitagawa Y, Sekine T, Sato N, Kurita T, Kawashima T, Kan H, Komeda O, Nishi T, Azuma H, Hioki T, Motohiro T, Sunahara A, Sentoku Y, Miura E. Fast Heating of Imploded Core with Counterbeam Configuration. PHYSICAL REVIEW LETTERS 2016; 117:055001. [PMID: 27517775 DOI: 10.1103/physrevlett.117.055001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2016] [Indexed: 06/06/2023]
Abstract
A tailored-pulse-imploded core with a diameter of 70 μm is flashed by counterirradiating 110 fs, 7 TW laser pulses. Photon emission (>40 eV) from the core exceeds the emission from the imploded core by 6 times, even though the heating pulse energies are only one seventh of the implosion energy. The coupling efficiency from the heating laser to the core using counterirradiation is 14% from the enhancement of photon emission. Neutrons are also produced by counterpropagating fast deuterons accelerated by the photon pressure of the heating pulses. A collisional two-dimensional particle-in-cell simulation reveals that the collisionless two counterpropagating fast-electron currents induce mega-Gauss magnetic filaments in the center of the core due to the Weibel instability. The counterpropagating fast-electron currents are absolutely unstable and independent of the core density and resistivity. Fast electrons with energy below a few MeV are trapped by these filaments in the core region, inducing an additional coupling. This might lead to the observed bright photon emissions.
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Potthoff SA, Stamer S, Grave K, Königshausen E, Sivritas SH, Thieme M, Mori Y, Woznowski M, Rump LC, Stegbauer J. Chronic p38 mitogen-activated protein kinase inhibition improves vascular function and remodeling in angiotensin II-dependent hypertension. J Renin Angiotensin Aldosterone Syst 2016; 17:17/3/1470320316653284. [PMID: 27407119 PMCID: PMC5843849 DOI: 10.1177/1470320316653284] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2015] [Accepted: 03/19/2016] [Indexed: 11/16/2022] Open
Abstract
Introduction: An excess of angiotensin II (Ang II) causes hypertension and vascular injury. Activation of mitogen-activated protein kinase p38 (p38-MAPK) plays a substantial role in Ang II-dependent organ damage. Recently, we showed that p38-MAPK activation regulates the pressor response to Ang II. This study evaluates the effect of chronic p38-MAPK inhibition in Ang II-dependent hypertension. Materials and methods: C57Bl/6J mice were infused with Ang II for 14 days and either treated with the p38-MAPK inhibitor BIRB796 (50 mg/kg/day) or the vehicle as the control. We assessed vascular function in the aorta and isolated perfused kidneys. Results: Chronic p38-MAPK inhibition did not alter blood pressure at the baseline, but attenuated Ang II-induced hypertension significantly (baseline: 122 ± 2 versus 119 ± 4 mmHg; Ang II: 173 ± 3 versus 155 ± 3 mmHg; p < 0.001). In addition, BIRB796 treatment improved vascular remodeling by reducing the aortic media-to-lumen ratio and decreasing the expression of the membrane metalloproteinases (MMP) MMP-1 and MMP-9. Moreover, renal vascular dysfunction induced by chronic Ang II infusion was significantly ameliorated in the BIRP796-treated mice. Acute p38-MAPK inhibition also improved vascular function in the aorta and kidneys of Ang II-treated mice, highlighting the important role of p38-MAPK activation in the pathogenesis of vascular dysfunction. Conclusions: Our findings indicated there is an important role for p38-MAPK in regulating blood pressure and vascular injury, and highlighted its potential as a pharmaceutical target.
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Mukai T, Nagamura-Inoue T, Shimazu T, Mori Y, Takahashi A, Tojo A. Neurosphere Formation Enhances the Neurogenic Differentiation Potential and Migratory Ability of Umbilical Cord-Mesenchymal Stromal Cells. Cytotherapy 2016. [DOI: 10.1016/j.jcyt.2016.03.161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Matsui S, Mori Y, Nonaka T, Hattori T, Kasamatsu Y, Haraguchi D, Watanabe Y, Uchiyama K, Ishikawa M. Energy deposition evaluation for ultra-low energy electron beam irradiation systems using calibrated thin radiochromic film and Monte Carlo simulations. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2016; 87:053309. [PMID: 27250416 DOI: 10.1063/1.4949501] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
For evaluation of on-site dosimetry and process design in industrial use of ultra-low energy electron beam (ULEB) processes, we evaluate the energy deposition using a thin radiochromic film and a Monte Carlo simulation. The response of film dosimeter was calibrated using a high energy electron beam with an acceleration voltage of 2 MV and alanine dosimeters with uncertainty of 11% at coverage factor 2. Using this response function, the results of absorbed dose measurements for ULEB were evaluated from 10 kGy to 100 kGy as a relative dose. The deviation between the responses of deposit energy on the films and Monte Carlo simulations was within 15%. As far as this limitation, relative dose estimation using thin film dosimeters with response function obtained by high energy electron irradiation and simulation results is effective for ULEB irradiation processes management.
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Mori Y. EP-1688: Evaluation of automatic brain metastasis planning for multiple brain metastasis. Radiother Oncol 2016. [DOI: 10.1016/s0167-8140(16)32939-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Kawase-Koga Y, Mori Y, Fujii Y, Kanno Y, Chikazu D, Susami T, Takato T. Complications after intraoral vertical ramus osteotomy: relationship to the shape of the osteotomy line. Int J Oral Maxillofac Surg 2015; 45:200-4. [PMID: 26421477 DOI: 10.1016/j.ijom.2015.07.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2014] [Revised: 05/06/2015] [Accepted: 07/13/2015] [Indexed: 11/18/2022]
Abstract
Intraoral vertical ramus osteotomy (IVRO) is used widely to correct mandibular prognathism. However, several disadvantages of this procedure have been reported, such as condylar luxation and bony interference at the osteotomy site. The aim of this study was to survey the incidence of complications (condylar luxation and bony interference) based on the shape of the osteotomy line. One hundred and eighty-five rami in 118 patients with jaw deformities, which were treated with IVRO, were examined retrospectively. The shape of the osteotomy line and the postoperative complications were examined on panoramic radiographs. Osteotomy lines were classified into three types: vertical, C-shaped, and oblique. Of the 185 osteotomy sites, 98 were vertical, 37 C-shaped, and 50 oblique. Condylar luxation was found in six rami (3.2%); four had undergone vertical osteotomy and two had undergone C-shaped osteotomy. Bony interference occurred in seven rami (3.8%), all with vertical type osteotomy lines. Most complications occurred in the vertical type cases and no complications were found in oblique type cases. Condylar luxation was found mainly in unilateral IVRO cases and bony interference was found in bilateral IVRO cases. These results suggest that the oblique type of osteotomy line has the advantage of avoiding complications.
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Sakurai Y, Mori Y, Okamoto H, Nishimura A, Komura E, Araki T, Shiramoto M. Acid-inhibitory effects of vonoprazan 20 mg compared with esomeprazole 20 mg or rabeprazole 10 mg in healthy adult male subjects--a randomised open-label cross-over study. Aliment Pharmacol Ther 2015; 42:719-30. [PMID: 26193978 DOI: 10.1111/apt.13325] [Citation(s) in RCA: 228] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2015] [Revised: 02/12/2015] [Accepted: 06/29/2015] [Indexed: 12/13/2022]
Abstract
BACKGROUND Proton pump inhibitors (PPIs) are widely used for the treatment of acid-related diseases. Vonoprazan is a member of a new class of acid suppressants; potassium-competitive acid blockers. Vonoprazan may thus be an alternative to PPIs. AIM To evaluate efficacy, rapidity and duration of acid-inhibitory effects of vonoprazan vs. two control PPIs, esomeprazole and rabeprazole, in 20 healthy Japanese adult male volunteers with CYP2C19 extensive metaboliser genotype. METHODS In this randomised, open-label, two-period cross-over study, vonoprazan 20 mg and esomeprazole 20 mg (Study V vs. E) or rabeprazole 10 mg (Study V vs. R) were orally administered daily for 7 days. Primary pharmacodynamic endpoint was gastric pH over 24 h measured as percentage of time pH ≥3, ≥4 and ≥5 (pH holding time ratios; HTRs) and mean gastric pH. RESULTS Acid-inhibitory effect (pH4 HTR) of vonoprazan was significantly greater than that of esomeprazole or rabeprazole on both Days 1 and 7; Day 7 difference in pH4 HTR for vonoprazan vs. esomeprazole was 24.6% [95% confidence interval (CI): 16.2-33.1] and for vonoprazan vs. rabeprazole 28.8% [95% CI: 17.2-40.4]. The Day 1 to Day 7 ratio of 24-h pH4 HTRs was >0.8 for vonoprazan, compared with 0.370 for esomeprazole and 0.393 for rabeprazole. Vonoprazan was generally well tolerated. One vonoprazan subject withdrew due to a rash which resolved after discontinuation. CONCLUSIONS This study demonstrated a more rapid and sustained acid-inhibitory effect of vonoprazan 20 mg vs. esomeprazole 20 mg or rabeprazole 10 mg. Therefore, vonoprazan may be a potentially new treatment for acid-related diseases.
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Kawai T, Nagasaka T, Takehara Y, Umeda Y, Fuji T, Taniguchi F, Kimura K, Toshima T, Yasui K, Mori Y, Kishimoto H, Toyooka S, Goel A, Fujiwara T. 1111 Non-invasive detection of methylated CpGs from sputum can predict patients with lung cancer. Eur J Cancer 2015. [DOI: 10.1016/s0959-8049(16)30493-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Fuji T, Nagasaka T, Umeda Y, Mori Y, Kawai T, Taniguchi F, Kimura K, Toshima T, Yasui K, Goel A, Fujiwara T. 819 Detection of circulating Ago2-miRNAs predict tumor response to anti-tumor therapies. Eur J Cancer 2015. [DOI: 10.1016/s0959-8049(16)30408-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Taniguchi F, Nagasaka T, Takehara Y, Umeda Y, Mori Y, Kawai T, Fuji T, Toshima T, Kimura K, Yasui K, Goel A, Fujiwara T. 2021 Systematic genetic analysis of familial adenomatous polyposis and lynch syndrome. Eur J Cancer 2015. [DOI: 10.1016/s0959-8049(16)30944-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Yamaguchi D, Taneishi K, Tamon A, Hamanaka M, Brown J, Mori Y, Kanai M, Matsumoto S, Okuno Y, Muto M. 3116 Analysis of clinical practice data for predictive factors of neutrophil counts during weekly paclitaxel chemotherapy. Eur J Cancer 2015. [DOI: 10.1016/s0959-8049(16)31757-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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75
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Inoue K, Nakano H, Sumida T, Yamada T, Otawa N, Fukuda N, Nakajima Y, Kumamaru W, Mishima K, Kouchi M, Takahashi I, Mori Y. A novel measurement method for the morphology of the mandibular ramus using homologous modelling. Dentomaxillofac Radiol 2015; 44:20150062. [PMID: 26143939 DOI: 10.1259/dmfr.20150062] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
OBJECTIVES It is important to assess the mandibular morphology when orthognathic surgery, especially mandibular ramus osteotomy, is performed. Several studies on three-dimensional (3D) facial asymmetry have reported differences in linear and angle measurements between the deviated and contralateral sides in asymmetric mandibles. However, methods used in these studies cannot analyse the 3D morphology of the ramus. In this study, we aimed to evaluate the differences in mandibular ramus between the deviated and contralateral sides in asymmetric mandibles using traditional measurements as well as 3D shape analysis. METHODS 15 Japanese females with jaw deformities treated by orthodontic surgery were enrolled. 3D CT images were reconstructed, and 14 landmarks were identified on the model surface. Ten linear and four angle measurements were calculated using these landmarks. Homologous ramus models were constructed for each sample, and after converting all homologous models to the right side, 30 homologous models of the ramus were analysed using principal component analysis. RESULTS Firstly, eight principal components explained >80% of the total variance. Differences between the deviated and contralateral sides in measurements and scores of the eight principal components were tested. Significant difference at the 5% level between the deviated and contralateral sides was observed in five linear measurements, three angle measurements and the third principal component. The variance of the deviated side was significantly larger in the diameter between the mandibular notch and coronoid process, horizontal dilated angle of the mandibular ramus and vertical dilated angle of the mandibular ramus. The variance of the contralateral side was significantly larger in the height of mandibular ramus, height of posterior of mandibular ramus, condylar width, height of condylar head and mandibular angle. The squared multiple correlation coefficient adjusted for the degrees of freedom was 0.815. The third principal component showed the difference between the deviated and contralateral sides. Shape variation represented by the third principal component visually indicated that the contralateral side was larger and had inwardly directed coronoid process and the deviated side had a mandibular angle that was turned inwards to a greater extent. CONCLUSIONS In conclusion, we successfully created a homologous model of the mandibular ramus and demonstrated the effectiveness of this model in the 3D comparison of the ramus morphology between the contralateral and deviated sides in asymmetric mandibles.
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