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List of works by Naoki Sasahira

A case of percutaneous transhepatic portal vein stent placement and endoscopic injection sclerotherapy for duodenal variceal rupture occurring during chemotherapy for unresectable perihilar cholangiocarcinoma

scientific article published on 08 September 2020

A multicenter phase II trial of gemcitabine and candesartan combination therapy in patients with advanced pancreatic cancer: GECA2.

scientific article

A novel basket catheter to facilitate endoscopic removal of pancreatic stones (with video)

scientific article published on 17 September 2013

A novel, fully covered laser-cut nitinol stent with antimigration properties for nonresectable distal malignant biliary obstruction: a multicenter feasibility study.

scientific article

A pilot study for combination chemotherapy using gemcitabine and S-1 for advanced pancreatic cancer.

scientific article published on 17 November 2009

A randomized phase II study of gemcitabine and S-1 combination therapy versus gemcitabine monotherapy for advanced biliary tract cancer.

scientific article published on 26 January 2013

A retrospective study of S-1 and oxaliplatin combination chemotherapy in patients with refractory pancreatic cancer

scientific article published on 01 September 2013

A retrospective study of gemcitabine and cisplatin combination therapy as second-line treatment for advanced biliary tract cancer.

scientific article

Acoustic radiation force impulse elastography for noninvasive assessment of chronic pancreatitis

scientific article published on 09 November 2011

CA 19-9 response as an early indicator of the effectiveness of gemcitabine in patients with advanced pancreatic cancer.

scientific article

Clinical analysis of high serum IgE in autoimmune pancreatitis.

scientific article

Clinical features of primary sclerosing cholangitis with onset age above 50 years

scientific article published on 20 September 2008

Clinical outcomes of chemotherapy for diabetic and nondiabetic patients with pancreatic cancer: better prognosis with statin use in diabetic patients

scientific article published on 01 March 2013

Clinical significance of bile cytology via an endoscopic nasobiliary drainage tube for pathological diagnosis of malignant biliary strictures

scientific article published on 01 March 2011

Clinical utility of an endoscopic ultrasound-guided rendezvous technique via various approach routes

scientific article published on 19 March 2013

Clinical utility of single-operator cholangiopancreatoscopy using a SpyGlass probe through an endoscopic retrograde cholangiopancreatography catheter

scientific article published on 01 August 2012

Comorbidity, not age, is prognostic in patients with advanced pancreatic cancer receiving gemcitabine-based chemotherapy

scientific article published on 25 June 2010

Comparison of tube-assisted mapping biopsy with digital single-operator peroral cholangioscopy for preoperative evaluation of biliary tract cancer

scientific article published in 2022

Covered metallic stents in the management of malignant and benign pancreatobiliary strictures.

scientific article published on 24 June 2009

Detection of common bile duct stones: comparison between endoscopic ultrasonography, magnetic resonance cholangiography, and helical-computed-tomographic cholangiography

scientific article published on 01 May 2005

Diabetes is a useful diagnostic clue to improve the prognosis of pancreatic cancer.

scientific article

Diagnostic utility of biopsy specimens for autoimmune pancreatitis.

scientific article published on 9 May 2009

Duodenal invasion is a risk factor for the early dysfunction of biliary metal stents in unresectable pancreatic cancer

scientific article published on 26 July 2011

Duodenal metal stent placement is a risk factor for biliary metal stent dysfunction: an analysis using a time-dependent covariate

scientific article published on 17 October 2012

Efficacy and safety of covered self-expandable metal stents for management of distal malignant biliary obstruction due to lymph node metastases.

scientific article published on 13 April 2011

Efficacy and safety of low-pressured and short-time dilation in endoscopic papillary balloon dilation for bile duct stone removal.

scientific article published on 13 December 2007

Efficacy and safety of metallic stents in patients with unresectable pancreatic cancer receiving gemcitabine.

scientific article published in November 2008

Efficacy of gemcitabine for locally advanced pancreatic cancer: comparison with 5-fluorouracil-based chemoradiotherapy.

scientific article published on 8 August 2008

Endoscopic evaluation of factors contributing to intrapancreatic biliary stricture in autoimmune pancreatitis

scientific article published on 01 January 2010

Endoscopic management of biliary complications after adult living donor liver transplantation

scientific article published on 04 September 2006

Endoscopic management of biliocutaneous fistula after percutaneous radiofrequency ablation therapy for hepatocellular carcinoma

scientific article published on 01 January 2010

Endoscopic management with inside stent for proximal benign biliary stricture after laparoscopic cholecystectomy ⬇️

scientific article published on May 1, 2012

Endoscopic papillary balloon dilation for bile duct stone: immediate and long-term outcomes in 1000 patients.

scientific article published in January 2007

Endoscopic papillary balloon dilation for bile duct stones in patients on hemodialysis.

scientific article published on 22 February 2012

Endoscopic removal of a spontaneously fractured biliary uncovered self-expandable metal stent

scientific article published on 01 May 2012

Endoscopic retrograde cholangiopancreatography for distal malignant biliary stricture.

scientific article published on 13 June 2012

Estimation and comparison of cumulative incidences of biliary self-expandable metallic stent dysfunction accounting for competing risks.

scientific article published on 8 May 2013

Experiences of biliary interventions using short double-balloon enteroscopy in patients with Roux-en-Y anastomosis or hepaticojejunostomy

scientific article published on 01 July 2010

Feasibility of a new self-expandable metallic stent for patients with malignant colorectal obstruction.

scientific article published on 9 July 2012

Feasibility study of gemcitabine and cisplatin combination chemotherapy for patients with refractory biliary tract cancer.

scientific article published on 6 July 2010

Fever-based antibiotic therapy for acute cholangitis following successful endoscopic biliary drainage.

scientific article published on 13 August 2011

Gemcitabine and oxaliplatin combination chemotherapy for patients with refractory pancreatic cancer

scientific article published on 13 June 2011

High Alcohol Consumption Increases the Risk of Pancreatic Stone Formation and Pancreatic Atrophy in Autoimmune Pancreatitis ⬇️

scientific article published on 01 April 2013

High single-session success rate of endoscopic bilateral stent-in-stent placement with modified large cell Niti-S stents for malignant hilar biliary obstruction.

scientific article

Impact of S-1 on the survival of patients with advanced pancreatic cancer.

scientific article published in October 2010

Impact of introduction of wire-guided cannulation in therapeutic biliary endoscopic retrograde cholangiopancreatography.

scientific article

Improvement of prognosis for unresectable biliary tract cancer.

scientific article published on January 2013

Incidence of extrapancreatic malignancies in patients with intraductal papillary mucinous neoplasms of the pancreas

scientific article published on 12 March 2011

Incidental Pancreatic Cysts Found by Magnetic Resonance Imaging and Their Relationship With Pancreatic Cancer ⬇️

scientific article published on November 1, 2012

Increased liver elasticity in patients with biliary obstruction.

scientific article published on 4 September 2010

Intraductal US in the assessment of tumor involvement to the orifice of the cystic duct by malignant biliary obstruction.

scientific article published on 9 April 2008

Involvement of the biliary system in autoimmune pancreatitis: a follow-up study.

scientific article published in November 2003

Long-term prognosis of autoimmune pancreatitis with and without corticosteroid treatment.

scientific article

Lower incidence of biliary carcinoma in patients with primary sclerosing cholangitis and high serum levels of immunoglobulin E

scientific article published on 01 October 2011

Management of distal malignant biliary obstruction with the ComVi stent, a new covered metallic stent.

scientific article published on 11 June 2009

Management of dysfunctional covered self-expandable metallic stents in patients with malignant distal biliary obstruction

scientific article published on 25 January 2013

Management of malignant gastric outlet obstruction with a modified triple-layer covered metal stent

scientific article published on 28 January 2012

Management of occluded uncovered metallic stents in patients with malignant distal biliary obstructions using covered metallic stents.

scientific article

Measurement of radial and axial forces of biliary self-expandable metallic stents

scientific article published on 27 February 2009

Multicenter phase II study of S-1 monotherapy as second-line chemotherapy for advanced biliary tract cancer refractory to gemcitabine.

scientific article published on 6 October 2010

Multicenter, phase II study of gemcitabine and S-1 combination chemotherapy in patients with advanced biliary tract cancer.

scientific article

NOTES and endoscopic pancreatic necrosectomy for the GI endoscopist.

scientific article published on 07 April 2009

New method of covered wallstents for distal malignant biliary obstruction to reduce early stent-related complications based on characteristics ⬇️

scientific article published on November 30, 2010

Newly designed large cell Niti-S stent for malignant hilar biliary obstruction: a pilot study

scientific article published on 03 July 2010

No significant relation between relapse of autoimmune pancreatitis and substitution of aspartic acid at position 57 of DQbeta1.

scientific article published on 26 May 2009

Novel antireflux covered metal stent for recurrent occlusion of biliary metal stents: a pilot study.

scientific article published on 29 April 2013

One- and two-step self-expandable metal stent placement for distal malignant biliary obstruction: a propensity analysis

scientific article published on 20 April 2012

One-step, simultaneous triple endoscopic nasobiliary drainage for hilar biliary stricture.

scientific article published on 3 June 2012

Pancreatic cancer in patients with pancreatic cystic lesions: a prospective study in 197 patients.

scientific article published on 18 September 2006

Pancreatic mass lesions associated with raised concentration of IgG4

scientific article published on 01 October 2004

Pancreatic tuberculosis with a pancreaticobiliary fistula.

scientific article published on 20 March 2007

Percutaneous transhepatic cholangioscopy with an ultraslim video upper endoscope with CO2 insufflation: a feasibility study ⬇️

scientific article published on June 25, 2011

Phase I trial of gemcitabine and candesartan combination therapy in normotensive patients with advanced pancreatic cancer: GECA1

scientific article published on 15 June 2012

Predictive factors of solid food intake in patients with malignant gastric outlet obstruction receiving self-expandable metallic stents for palliation

scientific article published on 16 November 2011

Preservation of papillary relaxation after endoscopic papillary balloon dilation

scientific article published on 01 May 2008

Prognostic factors in patients with advanced biliary tract cancer receiving chemotherapy

scientific article published on 20 June 2010

Quantitative analysis of K-ras gene mutation in pancreatic tissue obtained by endoscopic ultrasonography-guided fine needle aspiration: clinical utility for diagnosis of pancreatic tumor

scientific article published on 01 September 2002

Quantity of mutant K-ras gene in pancreatic secretions for diagnosis of pancreatic carcinoma with different assays: analysis of 100 patients

scientific article published on 01 October 2002

Risk factors and early signs of pancreatic cancer in diabetes: screening strategy based on diabetes onset age

scientific article published on 28 June 2012

Risk factors for pancreatitis following transpapillary self-expandable metal stent placement.

scientific article published on 20 October 2011

Risk for mortality from causes other than pancreatic cancer in patients with intraductal papillary mucinous neoplasm of the pancreas.

scientific article

S-1 monotherapy in patients with advanced biliary tract cancer.

scientific article

Serum IgG4 concentrations in pancreatic and biliary diseases

scientific article published on 19 January 2006

Short- and long-term outcomes of endoscopic papillary large balloon dilation with or without sphincterotomy for removal of large bile duct stones.

scientific article published on 28 October 2013

Significance of measuring IgG and IgG4 during follow-up of autoimmune pancreatitis

scientific article published on 01 July 2011

Simultaneous Duodenal Metal Stent Placement and EUS-Guided Choledochoduodenostomy for Unresectable Pancreatic Cancer.

scientific article

Successful treatment for groove pancreatitis by endoscopic drainage via the minor papilla

scientific article published on 01 January 2005

The results of the Tokyo Trial of Prevention of Post-ERCP Pancreatitis with Risperidone (Tokyo P3R): a multicenter, randomized, phase II, non-placebo-controlled trial ⬇️

scientific article published on October 24, 2012

The safety and efficacy of self-expandable metallic stent placement for malignant biliary obstruction with surgically altered anatomy

scientific article published on 16 November 2020

Two cases with hepatic amyloidosis suspected of having primary sclerosing cholangitis.

scientific article published on 15 May 2013

Ulinastatin for pancreatitis after endoscopic retrograde cholangiopancreatography: a randomized, controlled trial

scientific article published on 01 April 2005

Uridine diphosphate glucuronosyl transferase 1 family polypeptide A1 gene (UGT1A1) polymorphisms are associated with toxicity and efficacy in irinotecan monotherapy for refractory pancreatic cancer.

scientific article

Wire-guided cannulation is not an ideal technique for preventing post-ERCP pancreatitis ⬇️

scientific article published on 01 July 2012

[A case of autoimmune pancreatitis diagnosed at the time of relapse which happened twelve years after the initial onset]

scientific article published on 01 May 2011

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