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Hayakawa N, Kikuchi E, Mikami S, Fukumoto K, Oya M. The Role of PD-1 Positivity in the Tumour Nest on Clinical Outcome in Upper Tract Urothelial Carcinoma Patients Treated with Radical Nephroureterectomy. Clin Oncol (R Coll Radiol) 2017; 30:e1-e8. [PMID: 29153625 DOI: 10.1016/j.clon.2017.10.019] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Revised: 09/26/2017] [Accepted: 10/12/2017] [Indexed: 11/15/2022]
Abstract
AIMS The role of PD-1 (programmed cell death 1) expression on the clinical outcome of upper tract urothelial carcinoma has not yet been elucidated in detail. MATERIALS AND METHODS PD-1 expression was immunohistochemically examined in 181 upper tract urothelial carcinoma patients who underwent radical nephroureterectomy. A part of PD-1 protein expression in the tumour periphery and tumour nest was evaluated separately. The PD-1-positive cells were counted in the area showing the highest density of PD-1 expression at a magnification of 400×. RESULTS PD-1 staining in the tumour nest was low in 137 (75.7%) and high in 44 (24.3%) patients. PD-1 staining in the tumour periphery was low in 78 (43.1%) and high in 103 (56.9%) patients. The 5 year progression-free survival rates in patients with the high PD-1 expression in the tumour nest and in the tumour periphery were 54.6% and 67.7%, respectively, which were significantly lower than those in their counterparts (79.4%, P < 0.001; 80.0%, P = 0.04). The 5 year cancer-specific survival rates in patients with the high PD-1 expression in the tumour nest and the tumour periphery were 69.1% and 75.7%, respectively, which were significantly lower than those in their counterparts (84.7%, P = 0.007; 87.8%, P = 0.01). A multivariate Cox regression analysis identified the high PD-1 expression in the tumour nest (hazard ratio 3.07, P < 0.001; hazard ratio 2.44, P = 0.011) and positive lymphovascular invasion (hazard ratio 4.86, P < 0.001; hazard ratio 4.03, P < 0.001) as independent predictors of disease progression and of cancer death, respectively. CONCLUSIONS PD-1 positivity in the tumour nest could be a strong predictor for a worse clinical outcome and may be a useful indicator for selecting appropriate candidates for adjuvant therapy such as chemotherapy in upper tract urothelial carcinoma patients treated with radical nephroureterectomy.
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Karasaki T, Nagayama K, Fukumoto K, Kitano K, Nitadori J, Sato M, Anraku M, Hosoi A, Matsushita H, Kakimi K, Nakajima J. P1.07-017 Assessment of Cancer Immunity Status in Each Patient Using Immunogram. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Hakozaki K, Kikuchi E, Fukumoto K, Shirotake S, Miyazaki Y, Maeda T, Kaneko G, Yoshimine S, Tanaka N, Kanai K, Oyama M, Nakajima Y, Momma T, Oya M. Significance of a frozen section analysis of the ureteral margin in bladder cancer patients treated with radical cystectomy and neoadjuvant chemotherapy. Med Oncol 2017; 34:187. [DOI: 10.1007/s12032-017-1048-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2017] [Accepted: 10/16/2017] [Indexed: 11/25/2022]
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Matsumoto K, Miyajima A, Fukumoto K, Komatsuda A, Niwa N, Hattori S, Takeda T, Kikuchi E, Asanuma H, Oya M. Factors influencing the operating time for single-port laparoscopic radical nephrectomy: focus on the anatomy and distribution of the renal artery and vein. Jpn J Clin Oncol 2017; 47:976-980. [PMID: 28981738 DOI: 10.1093/jjco/hyx105] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Accepted: 06/29/2017] [Indexed: 11/12/2022] Open
Abstract
Objective It is considered that laparoscopic single-site surgery should be performed by specially trained surgeons because of the technical difficulty in using special instruments through limited access. We investigated suitable patients for single-port laparoscopic radical nephrectomy, focusing on the anatomy and distribution of the renal artery and vein. Methods This retrospective study was conducted in 52 consecutive patients who underwent single-port radical nephrectomy by the transperitoneal approach. In patients undergoing right nephrectomy, a 2-mm port was added for liver retraction. We retrospectively re-evaluated all of the recorded surgical videos and preoperative computed tomography images. The pneumoperitoneum time (PT) was used as an objective index of surgical difficulty. Results The PT was significantly shorter for right nephrectomy than left nephrectomy (94 vs. 123 min, P = 0.004). With left nephrectomy, dissection of the spleno-renal ligament to mobilize the spleen medially required additional time. Also, the left renal vein could only be divided after securing the adrenal, gonadal and lumbar veins. In patients whose renal artery was located cranial to the renal vein, PT tended to be longer than in the other patients (131 vs. 108 min, P = 0.070). In patients with a superior renal artery, the inferior renal vein invariably covered the artery and made it difficult to ligate the renal artery via the umbilical approach at the first procedure. Conclusions These findings indicate that patients undergoing right nephrectomy in whom the renal artery is not located cranial to the renal vein are suitable for single-port laparoscopic radical nephrectomy.
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Saito T, Tsuta K, Kinoshita Y, Ryota H, Miyata N, Takeyasu Y, Fukumoto K, Matsui H, Taniguchi Y, Yanagimoto H, Yokoi T, Kurata T, Murakawa T. P-148COMPARISON STUDY OF PD-L1 IMMUNOHISTOCHEMISTRY ASSAYS WITH 22C3 AND 28-8 FOR NON-SMALL CELL LUNG CANCERS: HOW CAN THE RESULTS BE TRANSLATED BETWEEN THE TWO? Interact Cardiovasc Thorac Surg 2017. [DOI: 10.1093/icvts/ivx280.148] [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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Saito T, Fukumoto K, Matsui H, Taniguchi Y, Murakawa T. P-226IMPACT OF ORIGINAL, MODIFIED AND ADJUSTED GLASGOW PROGNOSTIC SCORE ON SURVIVAL OF PATIENTS WITH COMPLETELY RESECTED NON-SMALL CELL LUNG CANCER. Interact Cardiovasc Thorac Surg 2017. [DOI: 10.1093/icvts/ivx280.226] [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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Nishiyama N, Takatsuki S, Fujisawa T, Nakajima K, Kashimura S, Kunitomi A, Katsumata Y, Nishiyama T, Kimura T, Fukumoto K, Aizawa Y, Fukuda K. P1400Inadvertently achieved bidirectional conduction block of the lateral mitral isthmus by cryoballoon applications applied at the left atrial appendage and left superior pulmonary vein - CASE REPORT. Europace 2017. [DOI: 10.1093/ehjci/eux158.028] [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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Sakata-Yanagimoto M, Fujisawa M, Nishizawa S, Komori D, Gershon P, Kiryu M, Swarna T, Fukumoto K, Enami T, Muratani M, Yoshida K, Ogawa S, Matsue K, Nakamura N, Takeuchi K, Izutsu K, Teshima T, Fujimoto K, Miyoshi H, Gaulard P, Ohshima K, Chiba S. ACTIVATION OF RHOA-VAV1 SIGNALING IN ANGIOIMMUNOBLASTIC T-CELL LYMPHOMA. Hematol Oncol 2017. [DOI: 10.1002/hon.2437_44] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Omura M, Kikuchi E, Ogihara K, Hakozaki K, Fukumoto K, Kaneko G, Miyazaki Y, Tanaka N, Shirotake S, Kanai K, Matsumoto K, Nagata H, Miyajima A, Oya M. MP34-16 COULD ADJUVANT CHEMOTHERAPY HAVE THERAPEUTIC BENEFIT AFTER NEOADJUVANT CHEMOTHERAPY IN PATIENTS WITH EQUAL TO OR GREATER THAN PT3 MUSCLE INVASIVE BLADDER CANCER? J Urol 2017. [DOI: 10.1016/j.juro.2017.02.1033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Shigeta K, Kikuchi E, Fukumoto K, Hayakawa N, Kosaka T, Miyajima A, Oya M. MP71-13 EFFICACY OF CHEMOTHERAPY ADMINISTRATION IN ELDERLY PATIENTS WITH METASTATIC UPPER TRACT UROTHELIAL CARCINOMA AFTER RADICAL NEPHROURETERECTOMY. J Urol 2017. [DOI: 10.1016/j.juro.2017.02.2269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Fukumoto K, Kikuchi E, Mikami S, Hayakawa N, Miyajima A, Oya M. MP98-01 PROGRAMMED CELL DEATH-1 EXPRESSION IN BCG RELAPSING TUMORS IS SIGNIFICANTLY ASSOCIATED WITH STAGE PROGRESSION IN NON-MUSCLE INVASIVE BLADDER CANCER PATIENTS. J Urol 2017. [DOI: 10.1016/j.juro.2017.02.3066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Ichikawa W, Uehara K, Minamimura K, Tanaka C, Takii Y, Miyauchi H, Sadahiro S, Shinozaki K, Fukumoto K, Otsuji T, Kambara T, Morita S, Ando Y, Arai M, Sugihara M, Sugiyama T, Ohashi Y, Sakata Y. A nomogram for predicting overall survival (OS) in Japanese patients (pts) with advanced colorectal cancer (aCRC) treated with irinotecan (IRI)-based regimens. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw370.127] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Ozeki N, Okasaka T, Kawaguchi K, Fukui T, Fukumoto K, Nakamura S, Hakiri S, Yokoi K. O-024SURVIVAL ANALYSIS USING PHYSIQUE-ADJUSTED SIZE OF NON-SMALL CELL LUNG CANCER. Interact Cardiovasc Thorac Surg 2016. [DOI: 10.1093/icvts/ivw260.24] [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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Ozeki N, Okasaka T, Kawaguchi K, Fukui T, Fukumoto K, Nakamura S, Hakiri S, Yokoi K. P-189DIFFUSING CAPACITY OF THE LUNG FOR CARBON MONOXIDE IS ASSOCIATED WITH TUMOUR DIFFERENTIATION, SCAR GRADE, NUCLEAR ATYPIA, AND MITOTIC INDEX OF LUNG ADENOCARCINOMA. Interact Cardiovasc Thorac Surg 2016. [DOI: 10.1093/icvts/ivw260.187] [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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Fukumoto K, Kikuchi E, Mikami S, Ogihara K, Matsumoto K, Miyajima A, Oya M. Tumor budding, a novel prognostic indicator for predicting stage progression in T1 bladder cancers. Cancer Sci 2016; 107:1338-44. [PMID: 27317460 PMCID: PMC5021027 DOI: 10.1111/cas.12990] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Revised: 06/07/2016] [Accepted: 06/16/2016] [Indexed: 12/17/2022] Open
Abstract
Tumor budding has been defined as an isolated single cancer cell or a cluster composed of fewer than five cancer cells scattered in the stroma. It is a strong predictor for lymph node metastasis in T1 colorectal cancer. We introduced this concept to T1 non‐muscle invasive bladder cancer and evaluated whether tumor budding could have a prognostic impact on the clinical outcome. We identified 121 consecutive patients with newly diagnosed T1 bladder cancer between 1994 and 2014 at Keio University Hospital. All slides were re‐reviewed by a dedicated uropathologist. Budding foci were counted under ×200 magnification. When the number of budding foci was 10 or more, tumor budding was defined as positive. The relationship between tumor budding and clinical outcomes was assessed using a multivariate analysis. The median follow‐up was 52 months. Tumor budding was positive in 21 patients (17.4%). Tumor budding was significantly associated with T1 substaging, tumor architecture and lymphovascular invasion. The 5‐year progression‐free survival rate in T1 bladder cancer patients with tumor budding was 53.8%, which was significantly lower than that in patients without tumor budding (88.4%, P = 0.001). A multivariate Cox regression analysis revealed that tumor budding was independently associated with stage progression (P = 0.002, hazard ratio = 4.90). In a subgroup of patients treated with bacillus Calmette‐Guérin instillation (n = 88), tumor budding was also independently associated with stage progression (P = 0.003, hazard ratio = 5.65). Tumor budding may be a novel indicator for predicting stage progression in T1 bladder cancer, and would likely be easily introduced in clinical practice.
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Fukumoto K, Miyajima A, Hattori S, Matsumoto K, Abe T, Kurihara I, Jinzaki M, Kikuchi E, Oya M. The learning curve of laparoendoscopic single-site adrenalectomy: an analysis of over 100 cases. Surg Endosc 2016; 31:170-177. [PMID: 27194254 DOI: 10.1007/s00464-016-4950-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Accepted: 04/18/2016] [Indexed: 11/25/2022]
Abstract
BACKGROUND Recently, laparoendoscopic single-site adrenalectomy (LESS-A) has been developed as an alternative treatment for adrenal tumors. Although LESS-A is more technically complex than conventional laparoscopic adrenalectomy, its learning curve and the factors associated with poor surgical outcomes are poorly understood. We analyzed the learning curve of LESS-A and attempted to identify risk factors associated with worse surgical outcomes. METHODS We identified 103 patients who underwent LESS-A [performed by the same surgeon (A.M.)] from 2009 to 2015. The learning curve was analyzed using the moving average method (the 10-case moving average), and we assessed potential risk factors for a prolonged pneumoperitoneum time. RESULTS The learning curve stabilized at 30 cases. The cases were divided into two groups, the learning stage (LS) (cases 1-29) and master stage (MS) (cases 30-103) groups. The percentage of females and the frequency of previous abdominal surgery were higher in the LS group (p = 0.022 and 0.001, respectively). In the LS group, the mean pneumoperitoneum time was 92 ± 35 min, which was significantly longer than the equivalent value for the MS group (55 ± 18 min, p < 0.001). In the LS group, univariate analysis revealed that tumor size (≥50 mm) and the visceral fat area (VFA)/total fat area (TFA) ratio (≥0.49) were significantly associated with a prolonged pneumoperitoneum time (p = 0.046 and 0.046, respectively). In the multivariate analysis, tumor size and the VFA/TFA ratio were confirmed to be associated with a prolonged pneumoperitoneum time (p = 0.029 and 0.029, odds ratio 20.83 and 20.83, respectively). On the other hand, none of the examined factors were found to be associated with a prolonged pneumoperitoneum time in the MS group. CONCLUSIONS LESS-A was performed safely in most cases. However, surgeons who are learning the LESS-A procedure need to pay attention to tumor size and visceral obesity.
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Hayakawa N, Kikuchi E, Mikami S, Matsumoto K, Fukumoto K, Kosaka T, Mizuno R, Miyajima A, Oya M. MP27-02 PROGNOSTIC ROLE OF PROGRAMMED CELL DEATH PROTEIN 1 EXPRESSION IN SURGICALLY TREATED PATIENTS WITH UPPER TRACT UROTHELIAL CARCINOMA. J Urol 2016. [DOI: 10.1016/j.juro.2016.02.1033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Tanaka K, Nakamura M, Fukumoto K, Kosuga T, Yanagawa M, Miyai A, Tachiiri S, Otsu S, Kuwabara K. EP-1732: Quantitative estimation of gamma passing rates from characteristics of respiratory motion. Radiother Oncol 2016. [DOI: 10.1016/s0167-8140(16)32983-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Hayakawa N, Kikuchi E, Mizuno R, Fukumoto K, Kosaka T, Mikami S, Miyajima A, Oya M. Prognostic role of programmed cell death protein 1 expression in surgically treated patients with upper tract urothelial carcinoma. J Clin Oncol 2016. [DOI: 10.1200/jco.2016.34.2_suppl.402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
402 Background: Programmed cell death protein (PD-1) expressed on active T cells, and its ligand PD-L1 expressed on the surface of cancer cells, complementarily down-regulate T cell activation and are related to immune tolerance. A close association between PD-1 expression and poor prognosis has been reported in several cancers, however, in upper tract urothelial carcinoma (UTUC) the role of PD-1 expression on clinical outcome has not been investigated. Methods: The protein expression of PD-1 was evaluated by immunohistochemistry and the relationship with clinicopathological features was investigated in surgical specimens obtained from 100 patients who had been surgically treated for UTUC. At a magnification of 200x, PD-1 protein expression was estimated and the positive cells were graded as no (negative), moderate (1-10 cells), and strong ( > 10 cells). Results: Twenty-four patients (24.0%) had strong PD-1 staining, 32 patients (32.0%) had moderate PD-1 staining, and 44 patients (44.0%) had no PD-1 staining. PD-1 staining was associated with pathological T stage (p = 0.023), tumor grade (p = 0.005), and lymphovascular invasion (p = 0.033). Lymphovascular invasion (p < 0.001) and PD-1 staining (p = 0.02) were independent factors for predicting disease metastasis. The 5-year matastatic free survival rate in patients with strong PD-1 staining was 57.3 %, which was significantly lower than that with no PD-1 staining (87.3%, p=0.001) and that with moderate PD-1 staining (74.3%, p = 0.05). In a sub-group analysis of patients with ≥pT2 (N = 59), a significant difference in disease metastasis was observed between patients with strong PD-1 staining and no PD-1 staining (p = 0.018), but was not observed between strong and moderate PD-1 staining (p = 0.146). Conclusions: PD-1 expression may be a useful indicator for a worse prognosis in UTUC patients who undergo radical nephroureterectomy. Targeting therapy against PD-1 might be a promising therapeutic modality for UTUC.
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Ichikawa W, Uehara K, Minamimura K, Tanaka C, Sadahiro S, Shinozaki K, Fukumoto K, Takii Y, Otsuji T, Kambara T, Gamoh M, Morita S, Ando Y, Arai M, Sugihara M, Sugiyama T, Ohashi Y, Sakata Y. 2100 Impact of UGT1A1 genotype and irinotecan exposure on outcomes in Japanese patients with advanced colorectal cancer treated by irinotecan-based regimens. Eur J Cancer 2015. [DOI: 10.1016/s0959-8049(16)31022-x] [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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Iijima M, Yoshimizu T, Shimazaki T, Tokugawa K, Fukumoto K, Kurosu S, Kuwada T, Sekiguchi Y, Chaki S. Antidepressant and anxiolytic profiles of newly synthesized arginine vasopressin V1B receptor antagonists: TASP0233278 and TASP0390325. Br J Pharmacol 2015; 171:3511-25. [PMID: 24654684 DOI: 10.1111/bph.12699] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2013] [Revised: 02/12/2014] [Accepted: 03/17/2014] [Indexed: 01/15/2023] Open
Abstract
BACKGROUND AND PURPOSE Vasopressin V1B receptor antagonists may be effective for the treatment of depression and anxiety and the objective of this study was to characterize the pharmacological profiles of two newly synthesized arginine vasopressin receptor 1B (V1B receptor) antagonists, TASP0233278 and TASP0390325. EXPERIMENTAL APPROACH We investigated the in vitro profiles of TASP0233278 and TASP0390325. In addition, the effect of TASP0390325 on the increase in plasma adrenocorticotropic hormone (ACTH) levels induced by corticotropin-releasing factor (CRF)/desmopressin (dDAVP) was investigated. We also investigated the antidepressant and anxiolytic profiles of TASP0233278 and TASP0390325 in animal models. KEY RESULTS Both TASP0233278 and TASP0390325 showed a high affinity and potent antagonist activity for V1B receptors. Oral administration of TASP0390325 antagonized the increase in plasma ACTH levels induced by CRF/dDAVP in rats, indicating that TASP0390325 blocks the anterior pituitary V1B receptor in vivo. Oral administration of TASP0233278 or TASP0390325 also exerted antidepressant effects in two models of depression (a forced swimming test and an olfactory bulbectomy model). Moreover, TASP0233278 improved depressive-like behaviour induced by repeated treatment with corticosterone, a model that has been shown to be resistant to treatment with currently prescribed antidepressants. In addition to depression models, TASP0233278 or TASP0390325 exerted anxiolytic effects in several anxiety models (social interaction, elevated plus-maze, stress-induced hyperthermia, separation-induced ultrasonic vocalization and sodium lactate-induced panic-like responses in panic-prone rats). CONCLUSION TASP0233278 and TASP0390325 are potent and orally active V1B receptor antagonists with antidepressant and anxiolytic activities in rodents.
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Fukumoto K, Kikuchi E, Mikami S, Yuge K, Koichiro O, Matsumoto K, Morita S, Shinoda K, Kosaka T, Mizuno R, Shinojima T, Asanuma H, Miyajima A, Oya M. PD17-03 “TUMOR BUDDING”, A NOVEL PROGNOSTIC INDICATOR FOR PREDICTING STAGE PROGRESSION IN T1 BLADDER TUMORS. J Urol 2015. [DOI: 10.1016/j.juro.2015.02.660] [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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Nishiyama T, Katsumata Y, Inagawa K, Kimura T, Nishiyama N, Fukumoto K, Tanimoto Y, Aizawa Y, Tanimoto K, Fukuda K, Takatsuki S. Visualization of the left atrial appendage by phased-array intracardiac echocardiography from the pulmonary artery in patients with atrial fibrillation. Europace 2015; 17:546-51. [DOI: 10.1093/europace/euu383] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2014] [Accepted: 12/07/2014] [Indexed: 12/21/2022] Open
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Ito H, Gallus S, Hosono S, Oze I, Fukumoto K, Yatabe Y, Hida T, Mitsudomi T, Negri E, Yokoi K, Tajima K, La Vecchia C, Tanaka H, Matsuo K. Time to first cigarette and lung cancer risk in Japan. Ann Oncol 2013; 24:2870-5. [PMID: 24013511 DOI: 10.1093/annonc/mdt362] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Cigarette smoking is the major cause of lung cancer (LC). Although the time to first cigarette (TTFC) of the day is a distinct indicator of nicotine dependence, little information is available on its possible relation to LC. PATIENTS AND METHODS This case-control study includes a total of 1572 incident LC cases and 1572 non-cancer controls visiting for the first time the Aichi Cancer Center Hospital between 2001 and 2005. We estimated the odds ratio (OR) and 95% confidence interval (CI) for TTFC using a logistic regression model after adjustment for several potential confounders. RESULTS TTFC was inversely associated with the risk of LC. This association was consistent across histological subtypes of LC. For all LCs considered among ever smokers and after accurate allowance for smoking quantity and duration, besides other relevant covariates, compared with TTFC >60 min, the adjusted ORs were 1.08 (95% CI, 0.73-1.61) for TTFC of 31-60 min, 1.40 (0.98-2.01) for 6-30 min and 1.86 (1.28-2.71) for within 5 min (Ptrend, < 0.001). Statistically marginally significant heterogeneity by histological subtype was observed (Pheterogeneity, 0.002). CONCLUSIONS Nicotine dependence, as indicated by the TTFC, is associated with increased risk of LC and is therefore an independent marker of exposure to tobacco smoking.
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Kimura T, Takatsuki S, Miyoshi S, Fukumoto K, Ito A, Takahashi M, Ogawa E, Motohashi S, Arai T, Fukuda K. Non-thermal photodynamic therapy: a radical and reliable approach to cardiac catheter ablation. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht308.1909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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