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Nakamura T, Hayashi T, Kimura Y, Kawakami H, Takahashi K, Ishiwatari H, Goto T, Motoya M, Yamakita K, Sakuhara Y, Ono M, Tanaka E, Omi M, Murakawa K, Iida T, Sakurai T, Haba S, Abiko T, Ito YM, Maguchi H, Hirano S. HOPS-R01 phase II trial evaluating neoadjuvant S-1 therapy for resectable pancreatic adenocarcinoma. Sci Rep 2022; 12:9966. [PMID: 35705607 PMCID: PMC9200853 DOI: 10.1038/s41598-022-14094-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 06/01/2022] [Indexed: 11/09/2022] Open
Abstract
Although neoadjuvant therapy (Nac) is recommended for high-risk resectable pancreatic cancer (R-PDAC), evidence regarding specific regimes is scarce. This report aimed to investigate the efficacy of S-1 Nac for R-PDAC. In a multicenter phase II trial, we investigated the efficacy of Nac S-1 (an oral fluoropyrimidine agent containing tegafur, gimeracil, and oteracil potassium) in R-PDAC patients. The protocol involved two cycles of preoperative S-1 chemotherapy, followed by surgery, and four cycles of postoperative S-1 chemotherapy. Two-year progression-free survival (PFS) rates were the primary endpoint. Overall survival (OS) rates and median survival time (MST) were secondary endpoints. Forty-nine patients were eligible, and 31 patients underwent resection following Nac, as per protocol (31/49; 63.3%). Per-protocol analysis included data from 31 patients, yielding the 2-year PFS rate of 58.1%, and 2-, 3-, and 5-year OS rates of 96.8%, 54.8%, and 44.0%, respectively. MST was 49.2 months. Intention-to-treat analysis involved 49 patients, yielding the 2-year PFS rate of 40.8%, and the 2-, 3-, and 5-year OS rates of 87.8%, 46.9%, and 33.9%, respectively. MST was 35.5 months. S-1 single regimen might be an option for Nac in R-PDAC; however, the high drop-out rate (36.7%) was a limitation of this study.
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Sumimoto K, Uchida K, Ikeura T, Hirano K, Yamamoto M, Takahashi H, Nishino T, Mizushima I, Kawano M, Kamisawa T, Saeki T, Maguchi H, Ushijima T, Shiokawa M, Seno H, Goto H, Nakamura S, Okazaki K. Nationwide epidemiological survey of immunoglobulin G4-related disease with malignancy in Japan. J Gastroenterol Hepatol 2022; 37:1022-1033. [PMID: 35229347 DOI: 10.1111/jgh.15809] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 01/24/2022] [Accepted: 02/08/2022] [Indexed: 01/11/2023]
Abstract
BACKGROUND AND AIM To clarify the clinicoepidemiological characteristics of immunoglobulin G4 (IgG4)-related disease (IgG4-RD) with malignancy, a nationwide epidemiological survey was conducted. METHODS Immunoglobulin G4-related disease patients with malignancy who had visited selected hospitals in Japan were surveyed. The study consisted of two stages: the number of IgG4-RD patients with malignancy was estimated by the first questionnaire and their clinicoepidemiological characteristics were assessed by the second questionnaire. RESULTS The frequencies of autoimmune pancreatitis (AIP), IgG4-related sialadenitis, IgG4-related eye disease, IgG4-related kidney disease, and IgG4-related retroperitoneal fibrosis were 44.7%, 20.8%, 14.0%, 5.16%, and 5.12%, respectively. The overall prevalence of malignant disease in IgG4-RD cases was estimated to be 10 900 per 100 000 cases, which was significantly higher than that of malignant disease in the general population. The prevalence of malignant lymphoma in IgG4-RD cases was the highest and was estimated to be 1985 per 100 000 cases. IgG4-related kidney disease had the highest frequency of malignant disease (17.1%). In data from 200 patients, 61 (30.5%) cases of cancer were found 2 years or more before the IgG4-RD diagnosis, 92 cases (46%) during the 1 year preceding or following IgG4-RD diagnosis, and 62 cases of cancer (31%) 2 or more years following IgG4-RD diagnosis. CONCLUSIONS The nationwide survey for IgG4-RD with malignancy in Japan showed that IgG4-RD may be related with malignant diseases.
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Kuwatani M, Nakamura T, Hayashi T, Kimura Y, Ono M, Motoya M, Imai K, Yamakita K, Goto T, Takahashi K, Maguchi H, Hirano S. Clinical Outcomes of Biliary Drainage during a Neoadjuvant Therapy for Pancreatic Cancer: Metal versus Plastic Stents. Gut Liver 2021; 14:269-273. [PMID: 31060118 PMCID: PMC7096233 DOI: 10.5009/gnl18573] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Revised: 03/10/2019] [Accepted: 03/24/2019] [Indexed: 01/08/2023] Open
Abstract
Neoadjuvant chemotherapy/neoadjuvant chemoradiotherapy (NAC/NACRT) can be performed in patients with pancreatic cancer to improve survival. We aimed to clarify the clinical outcomes of biliary drainage with a metal stent (MS) or a plastic stent (PS) during NAC/NACRT. Between October 2013 and April 2016, 96 patients with pancreatic cancer were registered for NAC/NACRT. Of these, 29 patients who underwent biliary drainage with MS or PS before NAC/NACRT and a subsequent pancreatoduodenectomy were retrospectively analyzed with regard to patient characteristics, preoperative recurrent biliary obstruction rate, NAC/NACRT delay or discontinuation rate, and operative characteristics. The median age of the patients was 67 years. NAC and NACRT were performed in 14 and 15 patients, respectively, and MS and PS were used in 17 and 12 patients, respectively. Recurrent biliary obstruction occurred in 6% and 83% of the patients in the MS and PS groups, respectively (p<0.001). NAC/NACRT delay was observed in 35% and 50% of the patients in the MS and PS groups, respectively (p=0.680). NAC/NACRT discontinuation was observed in 12% and 17% of the patients in the MS and PS groups, respectively (p=1.000). The operative time in the MS group tended to be longer than that in the PS group (625 minutes vs 497 minutes, p=0.051), and the operative blood loss volumes and postoperative adverse event rates were not different between the two groups. MS was better than PS from the viewpoint of preventing recurrent biliary obstruction, although MS was similar to PS with regards to perioperative outcomes.
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Nagino M, Hirano S, Yoshitomi H, Aoki T, Uesaka K, Unno M, Ebata T, Konishi M, Sano K, Shimada K, Shimizu H, Higuchi R, Wakai T, Isayama H, Okusaka T, Tsuyuguchi T, Hirooka Y, Furuse J, Maguchi H, Suzuki K, Yamazaki H, Kijima H, Yanagisawa A, Yoshida M, Yokoyama Y, Mizuno T, Endo I. Clinical practice guidelines for the management of biliary tract cancers 2019: The 3rd English edition. JOURNAL OF HEPATO-BILIARY-PANCREATIC SCIENCES 2020; 28:26-54. [PMID: 33259690 DOI: 10.1002/jhbp.870] [Citation(s) in RCA: 100] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 11/18/2020] [Indexed: 12/13/2022]
Abstract
BACKGROUND The Japanese Society of Hepato-Biliary-Pancreatic Surgery launched the clinical practice guidelines for the management of biliary tract cancers (cholangiocarcinoma, gallbladder cancer, and ampullary cancer) in 2007, then published the 2nd version in 2014. METHODS In this 3rd version, clinical questions (CQs) were proposed on six topics. The recommendation, grade for recommendation, and statement for each CQ were discussed and finalized by an evidence-based approach. Recommendations were graded as Grade 1 (strong) or Grade 2 (weak) according to the concepts of the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) system. RESULTS The 31 CQs covered the six topics: (a) prophylactic treatment, (b) diagnosis, (c) biliary drainage, (d) surgical treatment, (e) chemotherapy, and (f) radiation therapy. In the 31 CQs, 14 recommendations were rated strong and 14 recommendations weak. The remaining three CQs had no recommendation. Each CQ includes a statement of how the recommendations were graded. CONCLUSIONS This latest guideline provides recommendations for important clinical aspects based on evidence. Future collaboration with the cancer registry will be key for assessing the guidelines and establishing new evidence.
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Nakaji S, Okawa Y, Nakamura K, Itonaga M, Inase M, Sugiyama H, Suzuki R, Yamauchi K, Matsui H, Hirata N, Saito J, Ishii N, Tsuyuguchi T, Kato H, Kitano M, Kato N, Ohira H, Okada H, Torimura T, Maguchi H. Predictive model of bleeding following endoscopic sphincterotomy for the treatment of choledocholithiasis in hemodialysis patients: A retrospective multicenter study. JGH Open 2020; 4:915-922. [PMID: 33102764 PMCID: PMC7578281 DOI: 10.1002/jgh3.12363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 04/01/2020] [Accepted: 05/09/2020] [Indexed: 11/29/2022]
Abstract
BACKGROUND AND AIM Although hemodialysis (HD) is a strong risk factor for postendoscopic sphincterotomy (ES) bleeding, additional risk factors in HD patients remain unclear. There is no model for predicting post-ES bleeding risk in HD patients. Therefore, we conducted a retrospective multicenter study to reveal these risk factors and develop a predictive model of post-ES bleeding in HD patients. METHODS We retrospectively reviewed the medical records of HD patients who underwent ES at eight hospitals between January 2006 and December 2016, with post-ES bleeding as the main outcome measure. Univariate analyses were performed to extract possible risk factors for post-ES bleeding. Factors that were clinically important and statistically significant in our univariate analyses were then included in our logistic regression analysis for the development of a multivariate predictive model of post-ES bleeding. This predictive model was visualized using a predictive nomogram. RESULTS Post-ES bleeding occurred in 20 (16.3%) of 123 HD patients. Based on clinically important factors and the results of our univariate analyses, platelet count, prothrombin time (international normalized ratio), and HD duration were included in our predictive model of post-ES bleeding. Receiver operating characteristic analysis found that this model had an area under the curve of 0.715 (95% confidence interval, 0.609-0.822). We developed a predictive nomogram based on these results. CONCLUSIONS We demonstrated that post-ES bleeding is more common in HD patients than in the general population and succeeded in constructing a predictive model that can effectively identify HD patients at risk of post-ES bleeding.
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Hirota M, Shimosegawa T, Kitamura K, Takeda K, Takeyama Y, Mayumi T, Ito T, Takenaka M, Iwasaki E, Sawano H, Ishida E, Miura S, Masamune A, Nakai Y, Mitoro A, Maguchi H, Kimura K, Sanuki T, Ito T, Haradome H, Kozaka K, Gabata T, Kataoka K, Hirota M, Isaji S, Nakamura R, Yamagiwa K, Kayaba C, Ikeda K. Continuous regional arterial infusion versus intravenous administration of the protease inhibitor nafamostat mesilate for predicted severe acute pancreatitis: a multicenter, randomized, open-label, phase 2 trial. J Gastroenterol 2020; 55:342-352. [PMID: 31758329 PMCID: PMC7026212 DOI: 10.1007/s00535-019-01644-z] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Accepted: 11/11/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND Continuous regional arterial infusion (CRAI) of protease inhibitor nafamostat mesilate (NM) is used in the context of predicted severe acute pancreatitis (SAP) to prevent the development of pancreatic necrosis. Although this therapy is well known in Japan, its efficacy and safety remain unclear. METHODS This investigator-initiated and -driven, multicenter, open-label, randomized, controlled trial (UMIN000020868) enrolled 39 patients with predicted SAP and low enhancement of the pancreatic parenchyma on computed tomography (CT). Twenty patients were assigned to the CRAI group, while 19 served as controls and were administered NM at the same dose intravenously (IV group). The primary endpoint was the development of pancreatic necrosis as determined by CT on Day 14, judged by blinded central review. RESULTS There was no difference between the CRAI and IV groups regarding the percentages of participants who developed pancreatic necrosis (more than 1/3 of the pancreas: 25.0%, range 8.7-49.1% vs. 15.8%, range 3.4-39.6%, respectively, P = 0.694; more than 2/3 of the pancreas: 20%, range 5.7-43.7% vs. 5.3%, range 0.1-26.0%, respectively, P = 0.341). The early analgesic effect was evaluated based on 24-h cumulative fentanyl consumption and additional administration by intravenous patient-controlled analgesia. The results showed that the CRAI group used significantly less analgesic. There were two adverse events related to CRAI, namely bleeding and splenic infarction. CONCLUSIONS CRAI with NM did not inhibit the development of pancreatic necrosis although early analgesic effect of CRAI was superior to that of IV. Less-invasive IV therapy can be considered a viable alternative to CRAI therapy.
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Kimura Y, Nakamura T, Hayashi T, Kuwatani M, Motoya M, Yoshida M, Imamura M, Nagayama M, Yamaguchi H, Yamakita K, Goto T, Sakuhara Y, Takahashi K, Maguchi H, Hirano S, Takemasa I. Clinical usefulness of conversion surgery for unresectable pancreatic cancer diagnosed on multidetector computed tomography imaging: Results from a multicenter observational cohort study by the Hokkaido Pancreatic Cancer Study Group (HOPS UR-01). Ann Gastroenterol Surg 2019; 3:523-533. [PMID: 31549012 PMCID: PMC6749954 DOI: 10.1002/ags3.12272] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2019] [Revised: 04/26/2019] [Accepted: 06/04/2019] [Indexed: 01/17/2023] Open
Abstract
BACKGROUND AND AIM Effective multidisciplinary approaches for unresectable pancreatic cancer (UR-PC) that include modern chemotherapeutic regimens and subsequent conversion surgery (CS) are being developed. The aim of this study was to evaluate outcomes of patients clinically diagnosed with UR-PC, focusing on the efficacy of CS. METHODS Patients ineligible for two multicenter phase II studies conducted by the Hokkaido Pancreatic Cancer Study Group (HOPS) were recruited. Sequential treatment regimens, conversion to radical surgery, and overall survival (OS) were analyzed by multidetector computed tomography (MDCT)-based UR factors. Univariate and multivariate analyses were performed to identify predictors of OS. RESULTS Sixty-six of 247 intended recruits for HOPS studies from October 2013 to April 2016 were included. Unresectability was due to locally advanced (LA) disease and metastasis (M) in 42 and 24 patients, respectively. Induction therapy began with chemotherapy (CT) and chemoradiotherapy (CRT) in 44 and 17 patients, respectively, of whom 23 received modern CT regimens. Radical surgery was completed in 12 (LA, 10; M, two) with a median treatment interval of 10.3 months (range, 2-32). Eleven patients (91.6%) achieved pathological R0 resection. Median OS was significantly longer in patients who underwent CS than those who did not (44.1 vs 14.5 months, P < 0.0001). CS was an independent predictor of OS (hazard ratio, 0.078; 95% confident interval, 0.017-0.348; P = 0.001). CONCLUSION Conversion surgery after a favorable response to sequential treatment might prolong survival in patients with UR-PC. Precise diagnosis on MDCT followed by sequential multimodal anticancer treatment is essential.
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Terao C, Ota M, Iwasaki T, Shiokawa M, Kawaguchi S, Kuriyama K, Kawaguchi T, Kodama Y, Yamaguchi I, Uchida K, Higasa K, Yamamoto M, Kubota K, Yazumi S, Hirano K, Masaki Y, Maguchi H, Origuchi T, Matsui S, Nakazawa T, Shiomi H, Kamisawa T, Hasebe O, Iwasaki E, Inui K, Tanaka Y, Ohshima KI, Akamizu T, Nakamura S, Nakamura S, Saeki T, Umehara H, Shimosegawa T, Mizuno N, Kawano M, Azumi A, Takahashi H, Mimori T, Kamatani Y, Okazaki K, Chiba T, Kawa S, Matsuda F. IgG4-related disease in the Japanese population: a genome-wide association study. THE LANCET. RHEUMATOLOGY 2019; 1:e14-e22. [PMID: 38229354 DOI: 10.1016/s2665-9913(19)30006-2] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 05/29/2019] [Accepted: 05/30/2019] [Indexed: 12/17/2022]
Abstract
BACKGROUND IgG4-related disease is a newly recognised immunopathological entity that includes autoimmune pancreatitis, IgG4-related sialadenitis, and IgG4-related kidney disease. To understand the genetic landscape of IgG4-related disease, we did a genome-wide association study. METHODS We did a genome-wide association study of Japanese individuals, initially screening 857 patients with IgG4-related disease at 50 Japanese research institutions and DNA samples from 2082 healthy control participants from the Nagahama Prospective Genome Cohort for the Comprehensive Human Bioscience. From Oct 27, 2008, to July 22, 2014, we enrolled 835 patients and used data from 1789 healthy participants. Only patients with confirmed diagnosis of IgG4-related disease according to the international diagnostic criteria were included. Genotyping was done with the Infinium HumanOmni5Exome, HumanOmni2.5Exome, or HumanOmni2.5 Illumina arrays, and genomic distributions were compared between case and control samples for 958 440 single nucleotide polymorphisms. The HLA region was extensively analysed using imputation of HLA alleles and aminoacid residues. Fine mapping of the FCGR2B region was also done. Associations between clinical manifestations of disease and the genetic variations identified in these two genes were examined. FINDINGS We identified the HLA-DRB1 (p=1·1×10-11) and FCGR2B (p=2·0×10-8) regions as susceptibility loci for IgG4-related disease. We also identified crucial aminoacid residues in the β domain of the peptide-binding groove of HLA-DRB1, in which the seventh aminoacid residue showed the strongest association signal with IgG4-related disease (p=1·7×10-14), as has been reported with other autoimmune diseases. rs1340976 in FCGR2B showed an association with increased FCGR2B expression (p=2·7×10-10) and was in weak linkage disequilibrium with rs1050501, a missense variant of FCGR2B previously associated with systemic lupus erythematosus. Furthermore, rs1340976 was associated with the number of swollen organs at diagnosis (p=0·011) and IgG4 concentration at diagnosis (p=0·035). INTERPRETATION Two susceptibility loci for IgG4-related disease were identified. Both FCGR2B and HLA loci might have important roles in IgG4-related disease development. Common molecular mechanisms might underlie IgG4-related disease and other immune-related disorders FUNDING: The Japanese Ministry of Health, Labour, and Welfare, the Japanese Agency of Medical Research and Development, and Kyoto University Grant for Top Global University Japan Project.
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Omori Y, Ono Y, Tanino M, Karasaki H, Yamaguchi H, Furukawa T, Enomoto K, Ueda J, Sumi A, Katayama J, Muraki M, Taniue K, Takahashi K, Ambo Y, Shinohara T, Nishihara H, Sasajima J, Maguchi H, Mizukami Y, Okumura T, Tanaka S. Pathways of Progression From Intraductal Papillary Mucinous Neoplasm to Pancreatic Ductal Adenocarcinoma Based on Molecular Features. Gastroenterology 2019; 156:647-661.e2. [PMID: 30342036 DOI: 10.1053/j.gastro.2018.10.029] [Citation(s) in RCA: 107] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Revised: 09/14/2018] [Accepted: 10/05/2018] [Indexed: 12/14/2022]
Abstract
BACKGROUND & AIMS Intraductal papillary mucinous neoplasms (IPMNs) are regarded as precursors of pancreatic ductal adenocarcinomas (PDAs), but little is known about the mechanism of progression. This makes it challenging to assess cancer risk in patients with IPMNs. We investigated associations of IPMNs with concurrent PDAs by genetic and histologic analyses. METHODS We obtained 30 pancreatic tissues with concurrent PDAs and IPMNs, and 168 lesions, including incipient foci, were mapped, microdissected, and analyzed for mutations in 18 pancreatic cancer-associated genes and expression of tumor suppressors. RESULTS We determined the clonal relatedness of lesions, based on driver mutations shared by PDAs and concurrent IPMNs, and classified the lesions into 3 subtypes. Twelve PDAs contained driver mutations shared by all concurrent IPMNs, which we called the sequential subtype. This subset was characterized by less diversity in incipient foci with frequent GNAS mutations. Eleven PDAs contained some driver mutations that were shared with concurrent IPMNs, which we called the branch-off subtype. In this subtype, PDAs and IPMNs had identical KRAS mutations but different GNAS mutations, although the lesions were adjacent. Whole-exome sequencing and methylation analysis of these lesions indicated clonal origin with later divergence. Ten PDAs had driver mutations not found in concurrent IPMNs, called the de novo subtype. Expression profiles of TP53 and SMAD4 increased our ability to differentiate these subtypes compared with sequencing data alone. The branch-off and de novo subtypes had substantial heterogeneity among early clones, such as differences in KRAS mutations. Patients with PDAs of the branch-off subtype had a longer times of disease-free survival than patients with PDAs of the de novo or the sequential subtypes. CONCLUSIONS Detailed histologic and genetic analysis of PDAs and concurrent IPMNs identified 3 different pathways by which IPMNs progress to PDAs-we call these the sequential, branch-off, and de novo subtypes. Subtypes might be associated with clinical and pathologic features and be used to select surveillance programs for patients with IPMNs.
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Nagai K, Katanuma A, Takahashi K, Yane K, Kin T, Maguchi H. A simple and novel marking method for correctly identifying the precutting direction to achieve safe and efficacious precut sphincterotomy (with video). Endosc Int Open 2019; 7:E3-E8. [PMID: 30648133 PMCID: PMC6327752 DOI: 10.1055/a-0752-9755] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Accepted: 05/09/2018] [Indexed: 01/17/2023] Open
Abstract
Background and study aims Failure to recognize the right direction and precise incision length during precutting has been reported. To address these concerns, we developed a marking method that places a marking on the cutting endpoint before starting precutting. This preliminary study aimed to assess the effectiveness and safety of precut sphincterotomy using our new marking method. Patients and methods Between April 2015 and May 2017, 21 patients from our tertiary referral center were included in this study. Precut sphincterotomy using our marking method was employed for difficult common bile duct cannulation cases. Before starting precutting, a marking was placed slightly before the upper margin of the bulge of the papilla in the 11- to 12-o'clock direction as a cutting endpoint by cauterization with a needle knife. Results Technical success was obtained in all 21 procedures. There were no post-endoscopic retrograde cholangiopancreatography (ERCP) complications except for one mild case of post-ERCP pancreatitis. Conclusion Our new marking method before precutting enabled precise incision and quick bile duct cannulation without causing severe complications.
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Ioka T, Ueno M, Ueno H, Park JO, Chang HM, Sasahira N, Kanai M, Chung IJ, Ikeda M, Nakamori S, Mizuno N, Omuro Y, Yamaguchi T, Hara H, Sugimori K, Furuse J, Maguchi H, Furukawa M, Fukuzawa K, Kim JS, Yukisawa S, Takeuchi M, Okusaka T, Boku N, Hyodo I. TAS-118 (S-1 plus leucovorin) versus S-1 in patients with gemcitabine-refractory advanced pancreatic cancer: a randomised, open-label, phase 3 study (GRAPE trial). Eur J Cancer 2018; 106:78-88. [PMID: 30471651 DOI: 10.1016/j.ejca.2018.10.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Revised: 10/09/2018] [Accepted: 10/11/2018] [Indexed: 10/27/2022]
Abstract
BACKGROUND In our previous randomised phase 2 study for patients with gemcitabine-refractory advanced pancreatic cancer, S-1 plus leucovorin improved progression-free survival compared with S-1 alone. Here, we evaluated the efficacy of TAS-118 (S-1 plus leucovorin) versus S-1 in overall survival (OS). PATIENTS AND METHODS This randomised, open-label, phase 3 study was conducted at 58 centres in Japan and Korea. Patients with metastatic pancreatic cancer that progressed during first-line gemcitabine-based chemotherapy or recurred during or after post-operative gemcitabine-based adjuvant treatment were randomly assigned (1:1) to receive either S-1 (40-60 mg, twice daily for 4 weeks in a 6-week cycle) or TAS-118 (S-1 40-60 mg plus leucovorin 25 mg, twice daily for 1 week in a 2-week cycle). The primary end-point was OS. RESULTS A total of 603 patients were randomised, and 300 and 301 patients received TAS-118 and S-1, respectively. There was no difference in OS between groups (median OS for TAS-118 versus S-1, 7.6 months versus 7.9 months; hazard ratio [HR], 0.98 [95% confidence interval (CI), 0.82-1.16]; P = 0.756). Progression-free survival was significantly longer with TAS-118 than S-1 (median, 3.9 months versus 2.8 months; HR, 0.80 [95% CI, 0.67-0.95]; P = 0.009). There were interactions between Japan and Korea (P = 0.004) and between unresectable and recurrent disease (P = 0.025) in OS. Incidence, profile and severity of adverse events were similar between groups. CONCLUSION TAS-118 did not improve OS in patients with gemcitabine-refractory advanced pancreatic cancer compared to S-1. Further studies are needed to find patients who have benefit from adding leucovorin to S-1.
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Koga H, Yane K, Maguchi H, Takahashi K, Katanuma A, Kin T, Ambo Y, Omori Y, Shinohara T. Cystic Duct Metastasis from Renal Cell Carcinoma. Intern Med 2018; 57:213-218. [PMID: 29093406 PMCID: PMC5820039 DOI: 10.2169/internalmedicine.9228-17] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
We herein report a 69-year-old man who underwent right nephrectomy 1 year previously to remove renal cell carcinoma (RCC). On our examinations, contrast-enhanced computed tomography revealed a tumor with intensive early enhancement near the cystic duct of the gallbladder. Endoscopic ultrasonography showed a low echoic mass in the cystic duct. We diagnosed the patient's condition as cystic duct metastasis from RCC and performed open cholecystectomy. Histopathology indicated a metastatic tumor of clear cell RCC in the cystic duct wall. In patients with a medical history of RCC, hypervascular lesions suggest the possibility of metastasis. Therefore, detailed imaging examinations should be performed.
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Maguchi H. [Detection of early pancreatic cancer:past, present and future initiatives]. NIHON SHOKAKIBYO GAKKAI ZASSHI = THE JAPANESE JOURNAL OF GASTRO-ENTEROLOGY 2018; 115:317-326. [PMID: 29643284 DOI: 10.11405/nisshoshi.115.317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
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Kanno A, Masamune A, Hanada K, Maguchi H, Shimizu Y, Ueki T, Hasebe O, Ohtsuka T, Nakamura M, Takenaka M, Kitano M, Kikuyama M, Gabata T, Yoshida K, Sasaki T, Serikawa M, Furukawa T, Yanagisawa A, Shimosegawa T. Multicenter study of early pancreatic cancer in Japan. Pancreatology 2018; 18:61-67. [PMID: 29170051 DOI: 10.1016/j.pan.2017.11.007] [Citation(s) in RCA: 139] [Impact Index Per Article: 23.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2017] [Revised: 10/21/2017] [Accepted: 11/16/2017] [Indexed: 12/11/2022]
Abstract
BACKGROUND/OBJECTIVES The diagnosis of early-stage pancreatic ductal adenocarcinoma (PDAC) is still challenging. We conducted a multicenter study to clarify the clinical features of early-stage PDAC in Japan. METHODS We collected patients with stage 0 and stage I PDAC according to the sixth edition of the Japanese Classification of Pancreatic Carcinoma. We retrospectively analyzed the clinical profiles including opportunities for medical examination, imaging modalities and findings, methods of cytological diagnosis, and prognosis according to the stages at diagnosis. RESULTS Two hundred cases with Stage 0 and stage I PDAC were reported from 14 institutions, which accounted for approximately 0.7% and 3% of all PDAC cases, respectively. Overall, 20% of the early-stage PDAC cases were symptomatic. Indirect imaging findings such as dilatation of the main pancreatic duct were useful to detect early-stage PDAC. In particular, local fatty changes may be specific to early-stage PDAC. For preoperative pathologic diagnosis, cytology during endoscopic retrograde cholangiopancreatography was more commonly applied than endoscopic ultrasound fine-needle aspiration. Although the overall prognosis was favorable, new PDAC lesions developed in the remnant pancreas in 11.5% cases. CONCLUSIONS This multicenter study revealed several key points concerning the diagnosis and management of early-stage PDAC, including screening of asymptomatic cases, importance of indirect imaging findings, application of cytology during endoscopic retrograde cholangiopancreatography, and the risk of carcinogenesis in the remnant pancreas.
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Minaga K, Takenaka M, Katanuma A, Kitano M, Yamashita Y, Kamata K, Yamao K, Watanabe T, Maguchi H, Kudo M. Needle Tract Seeding: An Overlooked Rare Complication of Endoscopic Ultrasound-Guided Fine-Needle Aspiration. Oncology 2017; 93 Suppl 1:107-112. [PMID: 29258068 DOI: 10.1159/000481235] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) has been widely used for diagnosis of both inflammatory and tumor lesions located in and adjacent to the gastrointestinal tract. EUS-FNA has been considered to be a safe technique with few complications, as shown in recent review articles in which EUS-FNA-related morbidity and mortality rates were reported to be <1%. It should be noted, however, that needle tract seeding, although uncommon, can occur after diagnostic EUS-FNA and that this complication affects the prognosis of patients. Although an accurate value for the frequency of needle tract seeding caused by EUS-FNA has not been reported, the numbers of case reports on needle tract seeding have been rapidly increasing, especially in Japan. These case reports regarding EUS-FNA-related needle tract seeding prompted us to reevaluate the safety of EUS-FNA because this complication may have a significant influence on patients' prognoses. In this review, we summarize the clinical features and outcomes of needle tract seeding after EUS on the basis of the previously reported cases and provide useful information to prevent and reduce this serious complication.
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Hijioka S, Hosoda W, Matsuo K, Ueno M, Furukawa M, Yoshitomi H, Kobayashi N, Ikeda M, Ito T, Nakamori S, Ishii H, Kodama Y, Morizane C, Okusaka T, Yanagimoto H, Notohara K, Taguchi H, Kitano M, Yane K, Maguchi H, Tsuchiya Y, Komoto I, Tanaka H, Tsuji A, Hashigo S, Kawaguchi Y, Mine T, Kanno A, Murohisa G, Miyabe K, Takagi T, Matayoshi N, Yoshida T, Hara K, Imamura M, Furuse J, Yatabe Y, Mizuno N. Rb Loss and KRAS Mutation Are Predictors of the Response to Platinum-Based Chemotherapy in Pancreatic Neuroendocrine Neoplasm with Grade 3: A Japanese Multicenter Pancreatic NEN-G3 Study. Clin Cancer Res 2017; 23:4625-4632. [PMID: 28455360 DOI: 10.1158/1078-0432.ccr-16-3135] [Citation(s) in RCA: 127] [Impact Index Per Article: 18.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Revised: 03/19/2017] [Accepted: 04/24/2017] [Indexed: 02/06/2023]
Abstract
Purpose: Patients with pancreatic neuroendocrine neoplasm grade-3 (PanNEN-G3) show variable responses to platinum-based chemotherapy. Recent studies indicated that PanNEN-G3 includes well-differentiated neuroendocrine tumor with G3 (NET-G3). Here, we examined the clinicopathologic and molecular features of PanNEN-G3 and assessed the responsiveness to chemotherapy and survival.Experimental Design: A total of 100 patients with PanNEN-G3 were collected from 31 institutions, and after central review characteristics of each histologic subtype [NET-G3 vs. pancreatic neuroendocrine carcinoma (NEC-G3)] were analyzed, including clinical, radiological, and molecular features. Factors that correlate with response to chemotherapy and survival were assessed.Results: Seventy patients analyzed included 21 NETs-G3 (30%) and 49 NECs-G3 (70%). NET-G3 showed lower Ki67-labeling index (LI; median 28.5%), no abnormal Rb expression (0%), and no mutated KRAS (0%), whereas NEC-G3 showed higher Ki67-LI (median 80.0%), Rb loss (54.5%), and KRAS mutations (48.7%). Chemotherapy response rate (RR), platinum-based chemotherapy RR, and prognosis differed significantly between NET-G3 and NEC-G3. Chemotherapeutic outcomes were worse in NET-G3 (P < 0.001). When we stratified PanNEN-G3 with Rb and KRAS, PanNENs-G3 with Rb loss and those with mutated KRAS showed significantly higher RRs to platinum-based chemotherapy than those without (Rb loss, 80% vs. normal Rb, 24%, P = 0.006; mutated KRAS, 77% versus wild type, 23%, P = 0.023). Rb was a predictive marker of response to platinum-based chemotherapy even in NEC-G3 (P = 0.035).Conclusions: NET-G3 and NEC-G3 showed distinct clinicopathologic characteristics. Notably, NET-G3 does not respond to platinum-based chemotherapy. Rb and KRAS are promising predictors of response to platinum-based chemotherapy for PanNEN-G3, and Rb for NEC-G3. Clin Cancer Res; 23(16); 4625-32. ©2017 AACR.
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Tanaka K, Tsuji K, Matsui T, Kang JH, Sakurai Y, Takiyama A, Shinohara T, Maguchi H. A case of extrahepatic growth-type hepatocellular carcinoma presenting with bleeding from colonic metastasis. NIHON SHOKAKIBYO GAKKAI ZASSHI = THE JAPANESE JOURNAL OF GASTRO-ENTEROLOGY 2017; 114:691-699. [PMID: 28381784 DOI: 10.11405/nisshoshi.114.691] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
A 60-year-old woman visited our hospital due to hematochezia. Colonoscopy revealed a 50-mm-diameter submucosal tumor with ulceration of the left side of the transverse colon, and magnetic resonance imaging (MRI) demonstrated the presence of small hepatic nodules. Submucosal tumor of the colon with liver metastasis was therefore diagnosed. To prevent tumor bleeding, we performed partial transverse colectomy. The histopathological diagnosis was moderately differentiated hepatocellular carcinoma presenting as a submucosal tumor with a high frequency of vascular invasion. Computed tomography (CT) angiography revealed a 40-mm-diameter confluent multinodular-type hepatocellular carcinoma with outward spread from segment II and multiple intrahepatic metastases. Our final diagnosis was hepatocellular carcinoma with hematogenous colon metastasis.
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Yamaue H, Shimizu A, Hagiwara Y, Sho M, Yanagimoto H, Nakamori S, Ueno H, Ishii H, Kitano M, Sugimori K, Maguchi H, Ohkawa S, Imaoka H, Hashimoto D, Ueda K, Nebiki H, Nagakawa T, Isayama H, Yokota I, Ohashi Y, Shirasaka T. Multicenter, randomized, open-label Phase II study comparing S-1 alternate-day oral therapy with the standard daily regimen as a first-line treatment in patients with unresectable advanced pancreatic cancer. Cancer Chemother Pharmacol 2017; 79:813-823. [PMID: 28251282 DOI: 10.1007/s00280-017-3250-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Accepted: 02/01/2017] [Indexed: 01/08/2023]
Abstract
PURPOSE Non-inferiority for overall survival (OS) following alternate-day treatment with the oral anticancer drug S-1 compared with standard daily treatment was assessed in Japanese patients with unresectable advanced pancreatic cancer in a multicenter, randomized, phase II study. This trial was registered at the UMIN Clinical Trials Registry (no. 000008604). METHODS Chemotherapy-naïve patients with locally advanced or metastatic pancreatic cancer were randomly assigned 2:1 to treatment with alternate-day (twice daily on alternate days from days 1 through 42 of a 42-day cycle) or daily (twice daily on days 1 through 28 of a 42-day cycle) treatment with S-1. The primary endpoint was OS. Secondary endpoints were progression-free survival (PFS), time to treatment failure, response rate, quality of life assessments, and safety. RESULTS A total of 190 patients were enrolled, of which 185 were included in the final analysis (alternate-day: 121; daily: 64). Median OS was 9.4 for the alternate-day group and 10.4 months for the daily group [hazard ratio (HR), 1.19; 95% credible interval, 0.86 to 1.64], indicating that non-inferiority of alternate-day treatment to daily treatment was not demonstrated. Median PFS was 3.0 for the alternate-day group and 4.2 months for the daily group (HR, 1.65; 95% credible interval, 1.20-2.29). The incidence of anorexia, fatigue, neutrophils, pigmentation, and pneumonitis was lower in alternate-day treatment compared with daily treatment. CONCLUSION S-1 for advanced pancreatic cancer should be taken daily as recommended, based on the decreased OS and PFS and marginal improvement in safety observed in the alternate-day group.
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Yane K, Katanuma A, Maguchi H, Takahashi K, Kin T. Reply to Moreels et al. Endoscopy 2017; 49:406. [PMID: 28351108 DOI: 10.1055/s-0043-101232] [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: 12/10/2022]
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Kanno S, Nosho K, Ishigami K, Yamamoto I, Koide H, Kurihara H, Mitsuhashi K, Shitani M, Motoya M, Sasaki S, Tanuma T, Maguchi H, Hasegawa T, Kimura Y, Takemasa I, Shinomura Y, Nakase H. MicroRNA-196b is an independent prognostic biomarker in patients with pancreatic cancer. Carcinogenesis 2017; 38:425-431. [DOI: 10.1093/carcin/bgx013] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023] Open
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Okusaka T, Miyakawa H, Fujii H, Nakamori S, Satoh T, Hamamoto Y, Ito T, Maguchi H, Matsumoto S, Ueno H, Ioka T, Boku N, Egawa S, Hatori T, Furuse J, Mizumoto K, Ohkawa S, Yamaguchi T, Yamao K, Funakoshi A, Chen JS, Cheng AL, Sato A, Ohashi Y, Tanaka M. Updated results from GEST study: a randomized, three-arm phase III study for advanced pancreatic cancer. J Cancer Res Clin Oncol 2017; 143:1053-1059. [PMID: 28210843 PMCID: PMC5427167 DOI: 10.1007/s00432-017-2349-y] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Accepted: 01/24/2017] [Indexed: 01/05/2023]
Abstract
PURPOSE The GEST study showed non-inferiority of S-1 but not superiority of gemcitabine plus S-1 (GS) to gemcitabine alone for overall survival with the data by the cut-off date of 31st July in 2010 for chemo-naïve patients with advanced pancreatic cancer. We considered it important to determine whether S-1 maintains non-inferiority after a long-term follow-up in the GEST study and to obtain a firm positive conclusion. In addition, it may be an interesting challenge to explore the efficacious profile of GS in the long-term follow-up study. Using the data from the follow-up period, background and efficacy in patients from Taiwan and Japan, as well as the rates of tumor shrinkage in locally advanced and metastatic patients (Waterfall plot) were also analyzed. METHODS The results of the primary analysis were reconfirmed, and subset analysis of overall survival and progression-free survival was performed based on the overall survival data updated by the cut-off date of 31st July in 2011. RESULTS The median follow-up period was 29.8 months, and 795 deaths occurred (95.6%). The median overall survival was 8.8 months for gemcitabine, 9.7 months for S-1 (hazard ratio [HR], 0.96; 97.5% confidence interval [CI], 0.79-1.17), and 9.9 months for GS (HR 0.91; 97.5% CI 0.75-1.11). In patients with performance status (PS) 0, the median overall survival was 9.8 months for gemcitabine, 10.9 months for S-1, and 10.5 months for GS. In patients with PS 1, the median overall survival was 6.2 months for gemcitabine, 6.3 months for S-1, and 9.6 months for GS. CONCLUSION Our survey reconfirmed the non-inferiority of S-1 to gemcitabine and showed S-1 can be used as one of the standard treatment options for advanced pancreatic cancer. TRIAL REGISTRATION ClinicalTrials.gov: NCT00498225.
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Miyazawa M, Katsuda M, Maguchi H, Katanuma A, Ishii H, Ozaka M, Yamao K, Imaoka H, Kawai M, Hirono S, Okada KI, Yamaue H. Phase II clinical trial using novel peptide cocktail vaccine as a postoperative adjuvant treatment for surgically resected pancreatic cancer patients. Int J Cancer 2017; 140:973-982. [PMID: 27861852 DOI: 10.1002/ijc.30510] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2016] [Accepted: 10/24/2016] [Indexed: 12/18/2022]
Abstract
We investigated peptide cocktail vaccine OCV-C01 containing epitope peptides derived from KIF20A, vascular endothelial growth factor receptor (VEGFR)1 and VEGFR2 combined with gemcitabine in the adjuvant treatment for resected pancreatic cancer patients. A single-arm multicenter phase II study was performed on 30 patients with pancreatic ductal carcinoma who underwent pancreatectomy. At each 28-day treatment cycle, patients received weekly subcutaneous injection of OCV-C01 for 48 weeks and gemcitabine was administered intravenously at 1,000 mg/m2 on days 1, 8 and 15 for 24 weeks. Patients were followed for 18 months. The primary endpoint was disease-free survival (DFS) and secondary endpoints included safety, overall survival (OS) and immunological assays on peptide-specific cytotoxic T lymphocyte (CTL) activity and KIF20A expression in resected pancreatic cancer. The median DFS was 15.8 months [95% confidence interval (CI), 11.1-20.6] and the DFS rate at 18 months was 34.6% (95% CI, 18.3-51.6). The median OS was not reached and the OS rate at 18 months was 69.0% (95% CI, 48.8-82.5). The administration of OCV-C01 was well tolerated. In the per protocol set, there were significant differences in DFS between patients with KIF20A-specific CTL responses and without (p = 0.027), and between patients with KIF20A expression and without (p = 0.014). In addition, all four patients who underwent R0 resection with KIF20A expression had no recurrence of pancreatic cancer with KIF20A-specific CTL responses. OCV-C01 combined with gemcitabine was tolerable with a median DFS of 15.8 months, which was favorable compared with previous data for resected pancreatic cancer.
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Matsubayashi H, Takaori K, Morizane C, Maguchi H, Mizuma M, Takahashi H, Wada K, Hosoi H, Yachida S, Suzuki M, Usui R, Furukawa T, Furuse J, Sato T, Ueno M, Kiyozumi Y, Hijioka S, Mizuno N, Terashima T, Mizumoto M, Kodama Y, Torishima M, Kawaguchi T, Ashida R, Kitano M, Hanada K, Furukawa M, Kawabe K, Majima Y, Shimosegawa T. Familial pancreatic cancer: Concept, management and issues. World J Gastroenterol 2017; 23:935-948. [PMID: 28246467 PMCID: PMC5311103 DOI: 10.3748/wjg.v23.i6.935] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2016] [Revised: 09/07/2016] [Accepted: 01/18/2017] [Indexed: 02/06/2023] Open
Abstract
Familial pancreatic cancer (FPC) is broadly defined as two first-degree-relatives with pancreatic cancer (PC) and accounts for 4%-10% of PC. Several genetic syndromes, including Peutz-Jeghers syndrome, hereditary pancreatitis, hereditary breast-ovarian cancer syndrome (HBOC), Lynch syndrome, and familial adenomatous polyposis (FAP), also have increased risks of PC, but the narrowest definition of FPC excludes these known syndromes. When compared with other familial tumors, proven genetic alterations are limited to a small proportion (< 20%) and the familial aggregation is usually modest. However, an ethnic deviation (Ashkenazi Jewish > Caucasian) and a younger onset are common also in FPC. In European countries, “anticipation” is reported in FPC families, as with other hereditary syndromes; a trend toward younger age and worse prognosis is recognized in the late years. The resected pancreases of FPC kindred often show multiple pancreatic intraepithelial neoplasia (PanIN) foci, with various K-ras mutations, similar to colorectal polyposis seen in the FAP patients. As with HBOC patients, a patient who is a BRCA mutation carrier with unresectable pancreatic cancer (accounting for 0%-19% of FPC patients) demonstrated better outcome following platinum and Poly (ADP-ribose) polymerase inhibitor treatment. Western countries have established FPC registries since the 1990s and several surveillance projects for high-risk individuals are now ongoing to detect early PCs. Improvement in lifestyle habits, including non-smoking, is recommended for individuals at risk. In Japan, the FPC study group was initiated in 2013 and the Japanese FPC registry was established in 2014 by the Japan Pancreas Society.
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Nagai K, Yane K, Katanuma A, Takahashi K, Kin T, Yamazaki H, Maguchi H. Successful less-invasive endoscopic treatment for bile leakage from choledochojejunostomy site using short-type single-balloon enteroscopy. Endoscopy 2017; 48 Suppl 1:E140-1. [PMID: 27078628 DOI: 10.1055/s-0042-105208] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Koga H, Katanuma A, Kin T, Yane K, Maguchi H. Successful removal of a surgical clip eroded into the hepaticojejunostomy site by use of a short-type single-balloon enteroscope. VideoGIE 2017; 2:14-15. [PMID: 29905247 PMCID: PMC5990422 DOI: 10.1016/j.vgie.2016.10.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
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