Nao Fujimori

ORCID: 0000-0003-4286-8804
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About
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Research Areas
  • Pancreatic and Hepatic Oncology Research
  • Pancreatitis Pathology and Treatment
  • Neuroendocrine Tumor Research Advances
  • Gallbladder and Bile Duct Disorders
  • Gastrointestinal disorders and treatments
  • Pediatric Hepatobiliary Diseases and Treatments
  • Lung Cancer Research Studies
  • Esophageal and GI Pathology
  • Neuroblastoma Research and Treatments
  • Gastrointestinal Tumor Research and Treatment
  • IgG4-Related and Inflammatory Diseases
  • Gastric Cancer Management and Outcomes
  • Cancer Genomics and Diagnostics
  • Cholangiocarcinoma and Gallbladder Cancer Studies
  • Biliary and Gastrointestinal Fistulas
  • Cancer Treatment and Pharmacology
  • Diabetes and associated disorders
  • Phagocytosis and Immune Regulation
  • Liver Disease Diagnosis and Treatment
  • Pancreatic function and diabetes
  • Abdominal vascular conditions and treatments
  • Cancer Immunotherapy and Biomarkers
  • Liver Disease and Transplantation
  • Organ Transplantation Techniques and Outcomes
  • Colorectal Cancer Treatments and Studies

Kyushu University
2015-2025

Hudson Institute
2023

The Japanese Society of Gastroenterological Surgery
2022

Japan Clinical Cancer Research Organization
2022

Kyushu University Hospital
2022

National Kyushu Medical Center
2013-2020

National Institute of Diabetes and Digestive and Kidney Diseases
2017

National Institutes of Health
2017

Fukuoka University
2015

National Hospital Organization Kyushu Cancer Center
2008

Objectives This retrospective multicenter study aimed to clarify the clinical impact of endotherapy for painless pancreatic duct (PD) stones compared with that in patients who received conservative treatment without endotherapy. Methods We enrolled 268 suffering from chronic pancreatitis PD (145 and 123 endotherapy) evaluated on radiological outcomes. Results When was set as a reference, complete clearance targeted decreased relative risk atrophy parenchyma after inclusion (hazard ratio [HR]...

10.1111/den.14998 article EN Digestive Endoscopy 2025-02-27

Abstract Neuroendocrine neoplasms (NENs) are rare that occur in various organs and present with diverse clinical manifestations. Pathological classification is important the diagnosis of NENs. Treatment strategies must be selected according to status differentiation malignancy by accurately determining whether neoplasm functioning or nonfunctioning, degree disease progression, presence metastasis. The newly revised Clinical Practice Guidelines for Gastroenteropancreatic Neoplasms (GEP-NENs)...

10.1007/s00535-021-01827-7 article EN cc-by Journal of Gastroenterology 2021-09-29

Etoposide plus cisplatin (EP) and irinotecan (IP) are commonly used as community standard regimens for advanced neuroendocrine carcinoma (NEC).To identify whether EP or IP is a more effective regimen in terms of overall survival (OS) patients with NEC the digestive system.This open-label phase 3 randomized clinical trial enrolled chemotherapy-naive aged 20 to 75 years who had recurrent unresectable (according 2010 World Health Organization classification system) arising from gastrointestinal...

10.1001/jamaoncol.2022.3395 article EN cc-by JAMA Oncology 2022-08-19

We compared the efficacy of modified 5-fluorouracil, leucovorin, irinotecan, and oxaliplatin (mFOLFIRINOX) with that gemcitabine plus nab-paclitaxel (GnP) for locally advanced pancreatic cancer (LAPC).Patients untreated LAPC were randomly assigned (1:1) to receive mFOLFIRINOX or GnP. One-year overall survival (OS) was primary endpoint. The major secondary end-points included progression-free (PFS), response rate (RR), carbohydrate antigen 19-9 (CA19-9) response, adverse events. sample size...

10.1016/j.ejca.2022.12.014 article EN cc-by-nc-nd European Journal of Cancer 2022-12-27

Objectives Endoscopic ultrasound‐guided fine‐needle aspiration/biopsy (EUS‐FNA/B) is the gold standard for diagnosing gastric subepithelial lesions (SELs), but smaller than 20 mm remains challenging. We developed traction‐assisted EUS‐FNB (TA‐EUS‐FNB) using clip‐with‐thread method to enhance diagnostic accuracy by stabilizing lesion and providing counter‐traction easier needle access. This study evaluates effectiveness of TA‐EUS‐FNB in small SELs. Methods In this prospective, randomized,...

10.1111/den.14977 article EN Digestive Endoscopy 2025-01-09

Pancreatic neuroendocrine tumors (pNETs) are histologically categorized according to the WHO 2010 classification by their mitotic index or Ki-67 as G1, G2, G3. The present study examined efficacy of endoscopic ultrasonography (EUS) and EUS-guided fine-needle aspiration (EUS-FNA) in diagnosis grading pNET.We retrospectively reviewed 61 pNETs 51 patients who underwent EUS between January 2007 June 2014. All lesions were pathologically diagnosed surgical resection EUS-FNA. We evaluated...

10.3109/00365521.2015.1083050 article EN Scandinavian Journal of Gastroenterology 2015-09-11
Atsushi Masamune Kazuhiro Kikuta Kiyoshi Kume Shin Hamada Ichiro Tsuji and 95 more Yoshifumi Takeyama Tooru Shimosegawa Kazuichi Okazaki Shin Miura Tetsuya Takikawa Seiji Hongō Eriko Nakano Tatsuhide Nabeshima Ryotaro Matsumoto Yu Tanaka Masayuki Ueno Tsuyoshi Mukai Masataka Matsumoto Yasushi Kudo Shunjiro Azuma Kosuke Okuwaki Satoshi Yamamoto Kazuo Inui Kasen Kobashigawa Jun Unno Nao Fujimori Katsuya Kitamura Hiroyoshi Miyakawa Kuniyuki Takahashi Tsukasa Ikeura Kazuichi Okazaki Mamoru Takenaka Mitsuharu Fukasawa Hiroyuki Funayama Akira Mitoro Tadayuki Takagi Masanari Sekine Kanetoshi Suwa Junichi Sakagami Masaharu Ishida Masayuki Ohtsuka Satoshi Kagawa Takashi Muraki Takayuki Watanabe Takashi Watanabe Katsunori Yamamoto Tomohiro Masaka Masatsugu Nagahama Ai Sato Yukio Aruga Yousuke Nakai Eisuke Iwasaki Takao Itoi Yuki Kawaji Masayuki Kitano Kazuhiro Mizukami Susumu Iwasaki Masashi Mori Naoya Kaneko Yuzo Kodama Hiroko Sato Naoki Yoshida Katsuko Hatayama Takashi Kobayashi Atsuyuki Hirano Miyuki Kaino Toshio Fujisawa Tomoyuki Ushijima Mitsuru Chiba Kyoko Shimizu Hirotaka Ota Masao Toki Takao Nishikawa Yu Yoshida Kei Tanaka Kota Uetsuki Daisuke Motoya Shinichiro Muro Hiroyuki Watanabe Yoshiki Imamura Tetsuya Ishizawa Terumi Kamisawa Mio Tsuruoka Kazunao Hayashi Shuji Terai Kunio Iwatsuka Keisuke Iwata Motoyuki Yoshida Tomofumi Takagi Manabu Goto Noriko Oza Y. Takeda Hideki Hagiwara Toshihiro Tadano Toshitaka Sakai Kimi Sumimoto Nauro Nishimura Atsushi Irisawa Masaki Kuwatani Nakao Shirahata

10.1007/s00535-020-01704-9 article EN Journal of Gastroenterology 2020-07-16

Depth of response (DpR; maximum % reduction from baseline in sum the target lesion diameters) has demonstrated potential predicting prognosis several malignancies. However, its role locally advanced pancreatic cancer (LAPC) is still unclear. In JCOG1407, modified FOLFIRINOX (mFOLFIRINOX) and gemcitabine plus nab-paclitaxel (GnP) exhibited comparable efficacy for LAPC. this exploratory analysis using data we focused on association between DpR prognosis. was classified into three groups at...

10.1016/j.pan.2025.02.005 article EN cc-by-nc-nd Pancreatology 2025-02-01

Although various self-expandable metallic stents (SEMSs) for malignant hilar biliary obstruction (MHBO) have been introduced, the optimal SEMS MHBO has not yet established. This study aimed to evaluate outcomes of transpapillary placement an uncovered laser-cut with ultra-thin delivery sheath (YABUSAME) MHBO. multicenter, prospective was conducted in 11 hospitals 10 months (from March 2022 December 2022). The primary outcome stent patency rate at 6 months. Key secondary were technical...

10.1007/s10620-025-08898-z article EN cc-by-nc Digestive Diseases and Sciences 2025-02-19

Multiple endocrine neoplasia type 1 (MEN1) is an inherited autosomal dominant disease presenting with pancreatic neuroendocrine tumors (pNETs), parathyroid tumors, or pituitary tumors. Using the PubMed database, we reviewed literature on information regarding proper diagnosis and treatment of MEN1-associated pNET. Many cases pNET are functioning pNETs. Gastrinomas insulinomas tend to occur frequently in duodenum pancreas, respectively. In addition diagnostic imaging, selective arterial...

10.5009/gnl.2012.6.3.287 article EN cc-by-nc Gut and Liver 2012-07-15

Although patients with autoimmune pancreatitis (AIP) tend to have concurrent diverse disorders, very few studies focused on diabetes mellitus (DM) coexisting AIP.In total 102 AIP DM were divided into three groups. Those before the onset of labeled group A (n=35), those who developed and simultaneously B (n=58) after steroid therapy for C (n=9). The characteristics among groups evaluated.No significant differences noted in age However, mean duration was significantly longer (8.7 years) than...

10.1111/j.1751-2980.2011.00498.x article EN Journal of Digestive Diseases 2011-03-22

Although chromogranin A (CGA) is a useful marker for pancreatic neuroendocrine tumors ( pNET ) in the West, its usefulness Japanese populations unclear. To assess this, we evaluated serum CGA levels 189 patients with various diseases, including proven n = 69), cancer (PC) 50), chronic pancreatitis (CP) 50) and autoimmune (AIP) 20), 112 normal controls (controls) using an ELISA kit. The mean level of was significantly higher than any other groups (407.8 ± 984.6 ng/ mL [ ] vs 91.8 101.8 [PC],...

10.1111/cas.12533 article EN Cancer Science 2014-09-13

ObjectiveDespite an increase in the number of Japanese patients with pancreatic neuroendocrine neoplasms, long-term outcomes and prognostic factors, especially for those advanced disease, remain unclear.

10.1093/jjco/hyv143 article EN Japanese Journal of Clinical Oncology 2015-09-15

Although the combination of nanoliposomal irinotecan plus fluorouracil/folinic acid (nal-IRI/FF) exhibited survival benefits in gemcitabine-refractory patients with advanced pancreatic cancer (APC) phase III NAPOLI-1 trial, there is limited data on efficacy and safety this regimen real-world settings Japan. This multicenter, prospective observational study enrolled APC who received nal-IRI/FF after a gemcitabine-based from July 2020 to June 2021. We collected analyzed clinical conducted...

10.3390/jcm11175084 article EN Journal of Clinical Medicine 2022-08-30
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