S. Mizuno

N. Sasahira, K. Koike, H. Ijichi, 2014, Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association.

PANCREAS, BILIARY TRACT, AND LIVER Disease-Specific Mortality Among Patients With Intraductal Papillary Mucinous Neoplasm of the Pancreas

N. Sasahira, K. Koike, H. Ijichi, 2014 .

Incidence of malignancies in patients with IgG4-related disease.

N. Sasahira, K. Koike, H. Yoshida, 2014, Internal medicine.

Screening Strategy of Pancreatic Cancer in Patients with Diabetes Mellitus

K. Koike, Tomotaka Saito, Y. Nakai, 2020, Diagnostics.

Insulin secretion improvement during steroid therapy for autoimmune pancreatitis according to the onset of diabetes mellitus

K. Koike, Y. Nakai, H. Isayama, 2020, Journal of Gastroenterology.

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

N. Sasahira, K. Koike, Y. Sugawara, 2012, Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association.

Current Status of Endoscopic Ultrasound Techniques for Pancreatic Neoplasms

K. Koike, Y. Nakai, N. Takahara, 2019, Clinical endoscopy.

A Pilot Study for Combination Chemotherapy Using Gemcitabine and S-1 for Advanced Pancreatic Cancer

N. Sasahira, T. Kawabe, M. Omata, 2009, Oncology.

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

N. Sasahira, M. Omata, K. Koike, 2011, Gastrointestinal endoscopy.

Inhibition of renin–angiotensin system affects prognosis of advanced pancreatic cancer receiving gemcitabine

N. Sasahira, M. Omata, K. Koike, 2010, British Journal of Cancer.

Clinical guidelines for primary sclerosing cholangitis 2017

M. Unno, Y. Hirooka, T. Itoi, 2018, Journal of Gastroenterology.

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

N. Sasahira, K. Koike, Tomotaka Saito, 2013, Pancreas.

Endoscopic papillary large balloon dilation without sphincterotomy for users of antithrombotic agents: A multicenter retrospective study

K. Koike, Tomotaka Saito, Y. Nakai, 2019, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Improvement of prognosis for unresectable biliary tract cancer.

N. Sasahira, M. Omata, K. Koike, 2013, World journal of gastroenterology.

Two Cases of Liver Abscesses Derived from Dental Disease in Patients with Alcoholic Chronic Pancreatitis.

N. Sasahira, K. Koike, Y. Nakai, 2015, Internal medicine.

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

N. Sasahira, M. Omata, K. Koike, 2011, Journal of gastroenterology and hepatology.

Two cases with hepatic amyloidosis suspected of having primary sclerosing cholangitis

M. Fukayama, N. Sasahira, K. Koike, 2013, Hepatology research : the official journal of the Japan Society of Hepatology.

Increased risk of biliary infection after biliary stent placement in users of proton pump inhibitors

M. Fujishiro, Tomotaka Saito, Y. Nakai, 2022, DEN open.

Use of proton pump inhibitors and cholangitis complicated with multi‐drug resistant bacteria

K. Koike, Tomotaka Saito, Y. Nakai, 2021, Journal of hepato-biliary-pancreatic sciences.

Regular Statin Use and Incidence of Postendoscopic Retrograde Cholangiopancreatography Pancreatitis

K. Koike, Tomotaka Saito, Y. Nakai, 2019, Journal of clinical gastroenterology.

Prevalence of Pancreatic Cystic Lesions Is Associated With Diabetes Mellitus and Obesity: An Analysis of 5296 Individuals Who Underwent a Preventive Medical Examination.

N. Hayashi, T. Yoshikawa, K. Koike, 2017, Pancreas.

Feasibility of conversion of percutaneous cholecystostomy to internal transmural endoscopic ultrasound-guided gallbladder drainage

K. Koike, Y. Nakai, H. Isayama, 2017, Saudi journal of gastroenterology : official journal of the Saudi Gastroenterology Association.

Indications for endoscopic ultrasonography (EUS)‐guided biliary intervention: Does EUS always come after failed endoscopic retrograde cholangiopancreatography?

K. Koike, Y. Nakai, H. Isayama, 2017, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

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

N. Sasahira, M. Omata, K. Koike, 2011, Surgical Endoscopy.

A pilot study of EUS-guided through-the-needle forceps biopsy (with video).

Kenneth J. Chang, K. Koike, Y. Nakai, 2016, Gastrointestinal endoscopy.

Slow Pull Versus Suction in Endoscopic Ultrasound-Guided Fine-Needle Aspiration of Pancreatic Solid Masses

Kenneth J. Chang, M. Fukayama, K. Koike, 2014, Digestive Diseases and Sciences.

Antireflux Metal Stent as a First-Line Metal Stent for Distal Malignant Biliary Obstruction: A Pilot Study

K. Koike, Y. Nakai, H. Isayama, 2016, Gut and liver.

Metallic stent with high axial force as a risk factor for cholecystitis in distal malignant biliary obstruction

K. Koike, K. Kawakubo, Y. Nakai, 2014, Journal of gastroenterology and hepatology.

Endoscopic papillary large balloon dilation and endoscopic papillary balloon dilation both without sphincterotomy for removal of large bile duct stones: A propensity‐matched analysis

K. Koike, Tomotaka Saito, Y. Nakai, 2018, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Multicenter retrospective and comparative study of 5-minute versus 15-second endoscopic papillary balloon dilation for removal of bile duct stones

K. Koike, Y. Nakai, H. Isayama, 2017, Endoscopy International Open.

Multiple recurrences after endoscopic removal of common bile duct stones: A retrospective analysis of 976 cases

K. Koike, Tomotaka Saito, Yuki Kawaji, 2019, Journal of gastroenterology and hepatology.

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

N. Sasahira, K. Koike, K. Kawakubo, 2013, Scandinavian journal of gastroenterology.

Early pancreatic stent placement in wire‐guided biliary cannulation: A multicenter retrospective study

K. Koike, Y. Nakai, H. Isayama, 2018, Journal of gastroenterology and hepatology.

Endoscopic Minor Papilla Balloon Dilation for the Treatment of Symptomatic Pancreas Divisum

N. Sasahira, K. Koike, Y. Nakai, 2014, Pancreas.

A large volume of visceral adipose tissue leads to severe acute pancreatitis

N. Sasahira, T. Kawabe, M. Omata, 2011, Journal of Gastroenterology.

Management of Difficult Bile Duct Stones by Large Balloon, Cholangioscopy, Enteroscopy and Endosonography

K. Koike, Tomotaka Saito, Y. Nakai, 2019, Gut and liver.

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

N. Sasahira, T. Kawabe, M. Omata, 2011, Journal of Gastroenterology.

EUS-FNA of gastric cancer metastatic to the head of pancreas using a forward oblique viewing echoendoscope in a case with Roux-en-Y anatomy

K. Koike, Y. Nakai, H. Isayama, 2018, Endoscopic ultrasound.

Risk factors for post-ERCP pancreatitis in wire-guided cannulation for therapeutic biliary ERCP.

N. Sasahira, K. Koike, Tomotaka Saito, 2015, Gastrointestinal endoscopy.

Results of the Tokyo trial of prevention of post-ERCP pancreatitis with risperidone-2: a multicenter, randomized, placebo-controlled, double-blind clinical trial.

N. Sasahira, K. Koike, K. Kawakubo, 2013, Gastrointestinal endoscopy.

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

N. Sasahira, K. Koike, Y. Nakai, 2013, Journal of Gastroenterology.

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

N. Sasahira, K. Koike, K. Kawakubo, 2013, Surgical Endoscopy.

A phase II trial of gemcitabine, S-1 and LV combination (GSL) neoadjuvant chemotherapy for patients with borderline resectable and locally advanced pancreatic cancer

M. Fukayama, K. Hasegawa, K. Koike, 2018, Medical Oncology.

Diagnostic utility of biopsy specimens for autoimmune pancreatitis

M. Fukayama, N. Sasahira, T. Kawabe, 2009, Journal of Gastroenterology.

Development of pancreatic cancer during observation for hepatocellular carcinoma: A retrospective cohort study

K. Miyagawa, Yuichi Suzuki, K. Koike, 2019, Saudi journal of gastroenterology : official journal of the Saudi Gastroenterology Association.

A randomized-controlled trial of early endotherapy versus wait-and-see policy for mild symptomatic pancreatic stones in chronic pancreatitis

N. Sasahira, K. Koike, Tomotaka Saito, 2019, European journal of gastroenterology & hepatology.

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

N. Sasahira, K. Koike, Y. Nakai, 2013, Gastrointestinal endoscopy.

Efficacy of Pancreatic Stenting After Clearance of Pancreatic Stones

N. Sasahira, T. Kawabe, M. Omata, 2009 .

Prospective pilot study of fully covered self-expandable metal stents for refractory benign pancreatic duct strictures: long-term outcomes

N. Sasahira, K. Koike, Y. Nakai, 2016, Endoscopy International Open.

[Sinus arrest during laryngoscopy for induction of general anesthesia with intravenous fentanyl and propofol].

K. Hanaoka, S. Mizuno, J. Mizuno, 2005, Masui. The Japanese journal of anesthesiology.

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

N. Sasahira, T. Kawabe, M. Omata, 2010, Gastrointestinal endoscopy.

Comparison of early and delayed EUS-guided drainage of pancreatic fluid collection

K. Koike, Tomotaka Saito, Y. Nakai, 2018, Endoscopy International Open.

Detection of painless pancreatitis by computed tomography in patients with post-endoscopic retrograde cholangiopancreatography hyperamylasemia.

N. Sasahira, K. Koike, Y. Nakai, 2014, Pancreatology : official journal of the International Association of Pancreatology (IAP) ... [et al.].

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

D. Takai, N. Sasahira, K. Koike, 2012, Cancer Chemotherapy and Pharmacology.

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

N. Sasahira, K. Koike, K. Kawakubo, 2014, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Risk factors for covered metallic stent migration in patients with distal malignant biliary obstruction due to pancreatic cancer

K. Koike, Y. Nakai, H. Isayama, 2014, Journal of gastroenterology and hepatology.

A prospective study of fully covered metal stents for different types of refractory benign biliary strictures

K. Koike, Tomotaka Saito, Y. Nakai, 2020, Endoscopy.

Groove Pancreatitis: Endoscopic Treatment via the Minor Papilla and Duct of Santorini Morphology

K. Koike, Y. Nakai, H. Isayama, 2017, Gut and liver.

Endoscopic management of pancreatic diseases in patients with surgically altered anatomy: clinical outcomes of combination of double‐balloon endoscopy‐ and endoscopic ultrasound‐guided interventions

K. Koike, A. Yamada, Tomotaka Saito, 2020, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Preliminary report on a new, fully covered, metal stent designed for the treatment of pancreatic fluid collections.

N. Sasahira, K. Koike, Y. Nakai, 2013, Gastrointestinal endoscopy.

Percutaneous direct-endoscopic necrosectomy for walled-off pancreatic necrosis

N. Sasahira, K. Kawakubo, H. Isayama, 2013, Endoscopy.

NOTES and endoscopic pancreatic necrosectomy for the GI endoscopist.

N. Sasahira, T. Kawabe, M. Omata, 2009, Journal of hepato-biliary-pancreatic surgery.

A retrospective comparative study of S-IROX and modified FOLFIRINOX for patients with advanced pancreatic cancer refractory to gemcitabine plus nab-paclitaxel

K. Koike, H. Ijichi, K. Tateishi, 2020, Investigational New Drugs.

A phase I study of intraperitoneal paclitaxel combined with gemcitabine plus nab-paclitaxel for pancreatic cancer with peritoneal metastasis

Y. Seto, K. Koike, Tomotaka Saito, 2020, Investigational New Drugs.

A phase II trial of gemcitabine, S-1 and LV combination (GSL) therapy in patients with advanced pancreatic cancer

K. Koike, H. Ijichi, K. Tateishi, 2018, Investigational New Drugs.

The inhibition of renin-angiotensin system in advanced pancreatic cancer: an exploratory analysis in 349 patients

K. Koike, H. Ijichi, K. Tateishi, 2015, Journal of Cancer Research and Clinical Oncology.

ABO Blood Group and Risk of Pancreatic Carcinogenesis in Intraductal Papillary Mucinous Neoplasms

K. Hasegawa, T. Morikawa, K. Koike, 2021, Cancer Epidemiology, Biomarkers & Prevention.

Progression-free survival as a surrogate for overall survival in first-line chemotherapy for advanced pancreatic cancer.

H. Yasunaga, K. Koike, Tsuyoshi Hamada, 2016, European journal of cancer.

Clinical Outcomes of Chemotherapy for Diabetic and Nondiabetic Patients With Pancreatic Cancer: Better Prognosis With Statin Use in Diabetic Patients

N. Sasahira, K. Koike, H. Ijichi, 2013, Pancreas.

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

N. Sasahira, K. Koike, H. Ijichi, 2012, Cancer science.

Outcome of Long-term Maintenance Steroid Therapy Cessation in Patients With Autoimmune Pancreatitis: A Prospective Study

N. Sasahira, K. Koike, Tomotaka Saito, 2016, Journal of Clinical Gastroenterology.

Retrospective Comparative Study of Side-by-Side and Stent-in-Stent Metal Stent Placement for Hilar Malignant Biliary Obstruction

K. Koike, Tomotaka Saito, Y. Nakai, 2020, Digestive Diseases and Sciences.

Antireflux covered metal stent for nonresectable distal malignant biliary obstruction: Multicenter randomized controlled trial

K. Koike, I. Yasuda, Tomotaka Saito, 2019, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

A Multicenter Open-Label Randomized Controlled Trial of Pancreatic Enzyme Replacement Therapy in Unresectable Pancreatic Cancer

K. Koike, Tomotaka Saito, Y. Nakai, 2018, Pancreas.

The Role of Pancreatic Enzyme Replacement Therapy in Unresectable Pancreatic Cancer: A Prospective Cohort Study

K. Koike, Tomotaka Saito, Y. Nakai, 2017, Pancreas.

Role of Endoscopic Ultrasonography-Guided Fine Needle Aspiration/Biopsy in the Diagnosis of Autoimmune Pancreatitis

K. Koike, Tomotaka Saito, Y. Nakai, 2020, Diagnostics.

Isocitrate dehydrogenase 1 mutation sensitizes intrahepatic cholangiocarcinoma to the BET inhibitor JQ1

K. Koike, Yasuo Tanaka, H. Ijichi, 2018, Cancer science.

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

N. Sasahira, K. Koike, K. Kawakubo, 2014, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

A Meta-Analysis of Slow Pull versus Suction for Endoscopic Ultrasound-Guided Tissue Acquisition

K. Koike, Tomotaka Saito, Y. Nakai, 2021, Gut and liver.

Diagnostic yield of the plasma free amino acid index for pancreatic cancer in patients with diabetes mellitus.

K. Koike, H. Ijichi, K. Tateishi, 2019, Pancreatology : official journal of the International Association of Pancreatology (IAP) ... [et al.].

Bezafibrate for the treatment of primary sclerosing cholangitis

N. Sasahira, T. Kawabe, M. Omata, 2010, Journal of Gastroenterology.

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

N. Sasahira, K. Koike, H. Ijichi, 2013, Pancreatology : official journal of the International Association of Pancreatology (IAP) ... [et al.].

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

N. Sasahira, K. Koike, H. Ijichi, 2013, Journal of Gastroenterology.

Intravenous and intraperitoneal paclitaxel with S-1 for treatment of refractory pancreatic cancer with malignant ascites

K. Koike, Toshiaki Watanabe, Y. Nakai, 2016, Investigational New Drugs.

Thromboembolisms in Advanced Pancreatic Cancer: A Retrospective Analysis of 475 Patients.

K. Koike, Y. Nakai, H. Isayama, 2017, Pancreas.

Japanese multicenter estimation of wallflex duodenal stent for unresectable malignant gastric outlet obstruction

N. Sasahira, K. Koike, K. Kawakubo, 2013, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Endoscopic treatment of hepaticojejunostomy anastomotic strictures using fully‐covered metal stents

K. Koike, A. Yamada, Tomotaka Saito, 2020, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Double-balloon endoscopy-assisted treatment of hepaticojejunostomy anastomotic strictures and predictive factors for treatment success

K. Koike, A. Yamada, Tomotaka Saito, 2019, Surgical Endoscopy.

Comparison of novel large‐bore and conventional‐bore covered self‐expandable metal stents for malignant gastric outlet obstruction: Multicenter, retrospective study

K. Koike, M. Fujishiro, Tomotaka Saito, 2022, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Clinical outcomes of secondary gastroduodenal self‐expandable metallic stent placement by stent‐in‐stent technique for malignant gastric outlet obstruction

N. Sasahira, K. Koike, Y. Nakai, 2015, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Transmural Biliary Drainage Can Be an Alternative to Transpapillary Drainage in Patients with an Indwelling Duodenal Stent

K. Koike, K. Kawakubo, Y. Nakai, 2014, Digestive Diseases and Sciences.

Endoscopic ultrasound‐guided gallbladder drainage with a combined internal and external drainage tubes for acute cholecystitis

K. Hasegawa, K. Koike, Tomotaka Saito, 2020, Journal of gastroenterology and hepatology.

Cholesterolosis of the gallbladder visualized by peroral cholecystoscopy using a SpyGlass probe

N. Sasahira, K. Kawakubo, Y. Nakai, 2012, Endoscopy.

833 A Pilot Study of EUS-Guided Through-the-Needle Biopsy (EUS-TTNB) of Solid Masses

Kenneth J. Chang, K. Koike, K. Niimi, 2014 .

Performance of a new short‐type double‐balloon endoscope with advanced force transmission and adaptive bending for pancreaticobiliary intervention in patients with surgically altered anatomy: A propensity‐matched analysis

K. Koike, A. Yamada, Y. Nakai, 2018, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Prospective study of bezafibrate for the treatment of primary sclerosing cholangitis

N. Sasahira, M. Omata, K. Koike, 2015, Journal of hepato-biliary-pancreatic sciences.

Smoking, Family History of Cancer, and Diabetes Mellitus Are Associated With the Age of Onset of Pancreatic Cancer in Japanese Patients

N. Sasahira, K. Koike, H. Ijichi, 2014, Pancreas.

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

N. Sasahira, K. Koike, H. Ijichi, 2013, Cancer Chemotherapy and Pharmacology.

Cholangitis complicated by infection of a simple hepatic cyst

K. Koike, Y. Nakai, Tatsunori Suzuki, 2018, Clinical Journal of Gastroenterology.

The impact of age and comorbidity in advanced or recurrent biliary tract cancer receiving palliative chemotherapy

K. Koike, Tomotaka Saito, Y. Nakai, 2020, Journal of gastroenterology and hepatology.

A phase I trial of gemcitabine, S-1 and LV combination (GSL) therapy in advanced pancreatic cancer

K. Koike, H. Ijichi, K. Tateishi, 2014, Cancer Chemotherapy and Pharmacology.

Endoscopic ultrasonography‐guided tissue acquisition for small solid pancreatic lesions: Does the size matter?

K. Koike, M. Fujishiro, Tomotaka Saito, 2021, DEN open.

Prognosis of primary sclerosing cholangitis according to age of onset

K. Hasegawa, K. Koike, Y. Nakai, 2021, Journal of hepato-biliary-pancreatic sciences.

Short‐term prognostic factors for primary sclerosing cholangitis

K. Koike, Y. Sugawara, N. Kokudo, 2015, Journal of hepato-biliary-pancreatic sciences.

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

N. Sasahira, M. Omata, K. Koike, 2012, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Development of pancreatic cancer is predictable well in advance using contrast-enhanced CT: a case–cohort study

K. Ohtomo, K. Koike, M. Akahane, 2017, European Radiology.

Second-line chemotherapy in patients with advanced or recurrent biliary tract cancer: a single center, retrospective analysis of 294 cases

K. Koike, Tomotaka Saito, Y. Nakai, 2018, Investigational New Drugs.

Factors predictive of the efficacy of bezafibrate therapy in patients with primary sclerosing cholangitis

K. Koike, Y. Nakai, H. Isayama, 2017, Hepatology research : the official journal of the Japan Society of Hepatology.

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

N. Sasahira, K. Koike, H. Ijichi, 2013, Investigational New Drugs.

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

N. Sasahira, K. Koike, K. Kawakubo, 2012, Journal of gastroenterology and hepatology.

Double Guidewire Technique Using an Uneven Double Lumen Catheter for Endoscopic Ultrasound-Guided Interventions

K. Koike, Tomotaka Saito, Y. Nakai, 2020, Digestive Diseases and Sciences.

Long-term outcomes of a long, partially covered metal stent for EUS-guided hepaticogastrostomy in patients with malignant biliary obstruction (with video).

K. Koike, Tomotaka Saito, Y. Nakai, 2020, Gastrointestinal endoscopy.

Safety and effectiveness of a long, partially covered metal stent for endoscopic ultrasound-guided hepaticogastrostomy in patients with malignant biliary obstruction

N. Sasahira, K. Koike, Y. Nakai, 2016, Endoscopy.

A novel “hitch-and-ride” deep biliary cannulation method during rendezvous endoscopic ultrasound-guided ERCP technique

K. Koike, Y. Nakai, H. Isayama, 2017, Endoscopy.

Simultaneous duodenal stenting and endoscopic ultrasound-guided hepaticogastrostomy using a forward-oblique view echoendoscope

K. Koike, Y. Nakai, H. Isayama, 2017, Endoscopy.

Successful guidewire placement across hilar malignant biliary stricture after deceased donor liver transplantation using new digital cholangioscopy

K. Koike, Y. Nakai, M. Tada, 2017, Endoscopy.

Endoscopic removal of a piece of retained pancreatic stent with a novel new technique: turned guide-wire looping method

N. Sasahira, K. Kawakubo, Y. Nakai, 2012, Endoscopy.

Risk factor of thrombosis and impact on prognosis in patients with pancreatic cancer receiving chemotherapy.

K. Koike, Y. Nakai, H. Isayama, 2016 .

Acoustic radiation force impulse elastography for noninvasive assessment of chronic pancreatitis

N. Sasahira, M. Omata, K. Koike, 2012, Journal of Gastroenterology.

Gemcitabine and Oxaliplatin Combination Chemotherapy for Patients with Refractory Pancreatic Cancer

N. Sasahira, M. Omata, K. Koike, 2011, Oncology.

Endoscopic Ultrasound-Guided Tissue Acquisition by 22-Gauge Franseen and Standard Needles for Solid Pancreatic Lesions

K. Koike, Tomotaka Saito, Y. Nakai, 2020, Gut and liver.

No Survival Benefit from the Inhibition of Renin-Angiotensin System in Biliary Tract Cancer.

K. Koike, H. Ijichi, K. Tateishi, 2016, Anticancer research.

A Novel, Fully Covered Laser-Cut Nitinol Stent with Antimigration Properties for Nonresectable Distal Malignant Biliary Obstruction: A Multicenter Feasibility Study

N. Sasahira, K. Koike, K. Kawakubo, 2013, Gut and liver.

Mo1498 A Comparative Study of Suction Technique vs. Slow Pull Technique in EUS-FNA for Pancreatic Malignant Lesions

K. Koike, Tomotaka Saito, Y. Nakai, 2013 .

Lenvatinib-induced acute acalculous cholecystitis in a patient with hepatocellular carcinoma

K. Koike, R. Tateishi, Tomotaka Saito, 2020, Clinical Journal of Gastroenterology.

Intravenous and Intraperitoneal Paclitaxel with S-1 for Refractory Pancreatic Cancer with Malignant Ascites: an Interim Analysis

N. Sasahira, K. Koike, H. Ijichi, 2014, Journal of Gastrointestinal Cancer.

Endoscopic Bridge-and-Seal of Bile Leaks Using a Fully Covered Self-Expandable Metallic Stent above the Papilla

M. Fujishiro, Tomotaka Saito, Y. Nakai, 2022, Journal of clinical medicine.

Long‐term outcomes of endoscopic treatment for duct‐to‐duct anastomotic strictures after living donor liver transplantation

K. Hasegawa, K. Koike, Y. Nakai, 2019, Liver international : official journal of the International Association for the Study of the Liver.

Prognostic factors in patients with advanced biliary tract cancer receiving chemotherapy

N. Sasahira, M. Omata, K. Koike, 2011, Cancer Chemotherapy and Pharmacology.

Acute pancreatitis as the initial manifestation of acute myeloid leukemia with chromosome 16 rearrangements

M. Kurokawa, M. Ikemura, Y. Nakai, 2023, International Journal of Hematology.

Clinical Outcomes of Intraductal Papillary Mucinous Neoplasms With Dilatation of the Main Pancreatic Duct.

K. Hasegawa, M. Fujishiro, H. Ijichi, 2023, Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association.

Increased expression of TNFRSF14 and LIGHT in biliary epithelial cells of patients with primary sclerosing cholangitis.

M. Fujishiro, K. Tateishi, T. Ushiku, 2023, Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver.

Development of mild drug-induced sclerosing cholangitis after discontinuation of nivolumab.

K. Koike, Y. Nakai, T. Nagase, 2019, European Journal of Cancer.

Procalcitonin is a useful biomarker to predict severe acute cholangitis: a single-center prospective study

K. Koike, Y. Nakai, H. Isayama, 2017, Journal of Gastroenterology.

Two cases with hepatic amyloidosis suspected of having primary sclerosing cholangitis

M. Fukayama, N. Sasahira, K. Koike, 2013, Hepatology research : the official journal of the Japan Society of Hepatology.

Metallic stent with high axial force as a risk factor for cholecystitis in distal malignant biliary obstruction

K. Koike, K. Kawakubo, Y. Nakai, 2014, Journal of gastroenterology and hepatology.

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

N. Sasahira, K. Koike, K. Kawakubo, 2014, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Second-line chemotherapy in patients with advanced or recurrent biliary tract cancer: a single center, retrospective analysis of 294 cases

K. Koike, Tomotaka Saito, Y. Nakai, 2018, Investigational New Drugs.

Retrospective Comparative Study of New Slim-delivery and Conventional Large-cell Stents for Stent-in-stent Methods for Hilar Malignant Biliary Obstruction.

M. Fujishiro, Tomotaka Saito, Y. Nakai, 2023, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Fluid sequestration is a useful parameter in the early identification of severe disease of acute pancreatitis

K. Koike, Tomotaka Saito, Y. Nakai, 2018, Journal of Gastroenterology.