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| 1 | Cytapheresis re-induces high-rate steroid-free remission in patients with steroid-dependent and steroid-refractory ulcerative colitis显示文摘BACKGROUND It is a crucial issue for patients with refractory ulcerative colitis(UC),including steroid-dependent and steroid-refractory patients,to achieve and maintain steroid-free remission.However,clinical studies focused on the achievement of steroid-free remission in refractory UC patients are insufficient.Cytapheresis(CAP)is a non-pharmacological extracorporeal therapy that is effective for active UC with fewer adverse effects.This study comprised UC patients treated with CAP and suggested the efficacy of CAP for refractory UC patients.AIM To clarify the efficacy of CAP in achieving steroid-free remission in refractory UC patients.METHODS We retrospectively reviewed the collected data from 55 patients with refractory UC treated with CAP.We analyzed the following points:(1)Efficacy of the first course of CAP;(2)Efficacy of the second,third,and fourth courses of CAP in patients who experienced relapses during the observation period;(3)Efficacy of CAP in colonic mucosa;and(4)Long-term efficacy of CAP.Clinical efficacy was evaluated using Lichtiger’s clinical activity index or Sutherland index(disease activity index).Mucosal healing was evaluated using Mayo endoscopic subscore.The primary and secondary endpoints were the rate of achievement of steroidfree remission and the rate of sustained steroid-free remission,respectively.Statistical analysis was performed using the paired t-test and chi-squared test.RESULTS The rates of clinical remission,steroid-free remission,and poor effectiveness after CAP were 69.1%,45.5%,and 30.9%,respectively.There were no significant differences in rate of steroid-free remission between patients with steroiddependent and steroid-refractory UC.The mean disease activity index and Lichtiger’s clinical activity index scores were significantly decreased after CAP(P<0.0001).The rates of steroid-free remission after the second,third,and fourth courses of CAP in patients who achieved steroid-free remission after the first course of CAP were 83.3%,83.3%,and 60%,respectively.Mucosal healing was observed in all patients who achieved steroid-free remission after the first course of CAP.The rates of sustained steroid-free remission were 68.0%,60.0%,and 56.0%at 12,24,and 36 mo after the CAP.Nine patients(36%)had maintained steroid-free remission throughout the observation period.CONCLUSION Our results suggest that CAP effectively induces and maintains steroid-free remission in refractory UC and re-induces steroid-free remission in patients achieving steroid-free remission after the first course of CAP. | Masahiro Iizuka Takeshi Etou Yosuke Shimodaira Takashi Hatakeyama Shiho Sagara | 2021 | World Journal of Gastroenterology2021，27，12： | 2 |
| 2 | Typical gastroduodenal endoscopic findings in a Crohn's disease patient in remission stage显示文摘A 39-year-old patient with Crohn's disease (CD) was referred to our hospital for maintenance treatment of CD.He was diagnosed as having CD of the small and large intestines at 32 years old.He underwent partial resection of the ileum at 35 years old because of ileal perforation.He had received enteral nutritional supplement (1200 kcal/d) and metronidazole preparation (500 mg/d),and was in remission Crohn's disease activity index 73.We performed a routine gastroduodenal endoscopic examination,which revealed the representative endoscopic findings of gastroduodenal lesions in CD,namely,bamboo-joint-like appearance of the gastric body and cardia and a notched sign in the duodenum.These findings were clearly observed by using indigo carmine dye spraying.In our patient,typical gastroduodenal findings were observed even in the remission stage,suggesting that these findings would contribute to the early diagnosis of CD not only in the active stage but also during remission. | Masahiro Iizuka Taku Harada Hiro-o Yamano Takeshi Etou Shiho Sagara | 2012 | World Journal of Gastrointestinal Endoscopy2012，4，3： | 2 |
| 3 | Field Emission Characteristics of Boron Nitride Films显示文摘 | Sugino T Etou Y Tagawa S | 2000 | J Vac Sci Technol B2000，18，10： | 1 |
| 4 | Development of solid oxide fuel cell stack using lanthanum gallate-based oxide as an electrolyte 显示文摘 | YAMADA T CHITOSE N ETOU H | 2007 | Ceram Eng Sci Proc2007，2，4： | 1 |
| 5 | Reliability of Automatic Vibratory Equipment for Ultrasonic Strain Measurement of the Median Nerve显示文摘 | Yuichi Yoshii Tomoo Ishii Fumihiko Etou Shinsuke Sakai Toshikazu Tanaka Naoyuki Ochiai | 2014 | Ultrasound in Medicine & Biology2014，，： | 1 |
| 6 | Revascularization with the penumbra as- piration system for symptomatic subacute in-stent occlusion af- ter carotid artery stenting: A case report显示文摘 | Nii K Etou H Abe G | 2013 | No Shinkei Geka2013，41，9： | 1 |
| 7 | 显示文摘 | Etou Y Tagawa S | 2000 | J Vac Sci Technol B2000，18，： | 1 |
| 8 | Field emission characteristics of boron nitride films显示文摘 | Etou Y Tagawa S | 2000 | J Vac Sci Technol B(J)2000，18，： | 1 |
| 9 | Characterization of boron carbon nitride films with a low dielectric eonstant显示文摘 | ETOU Y TAI T SUGIYAMA T | 2002 | Diam Relat Mater2002，11，： | 1 |
| 10 | Revascularization with the penumbra aspiration system for symptomatic subacute iw stent ocelusion after carotid artery stenting=a case report 显示文摘 | Nii K Etou H Abe G | 2013 | No Shinkei Geka2013，41，9： | 1 |
| 11 | 显示文摘 | Etou Y Tai T Sugiyama T | 2002 | Diam Relat Mater2002，11，： | 1 |
| 12 | Pathology of chronic hepatitis C in children显示文摘 | M Kage T Fujisawa K Shiraki T Tanaka T Fujisawa A Kimura K Shimamatsu E Nakashima M Kojiro M Koike Y Tazawa D Abukawa M Okaniwa H Takita A Matsui T Hayashi T Etou S Terasawa K Sugiyama H Tajiri A Yoden Y Kajiwara M Sata Y Uchimura | 1997 | Hepatology1997，，3： | 1 |
| 13 | Field Emission Characteristics of Boron Nitride Films 显示文摘 | Sugino T Etou Y Tagawa S | 2000 | J Vac Sci Technol B2000，18，： | 1 |
| 14 | Kinetic characteristic of bubble nucleation in superheated water using inclusions 显示文摘 | Takahashi M Ezawa E Etou J | 2002 | J Phy Soc Jpn2002，71，9： | 1 |
| 15 | Evidence for tetrahedral AlO 4 formation induced by Zn 2+ adsorption onto Al(OH) 3 gel显示文摘 | Akane Miyazaki Mayumi Numata Mayumi Etou Kotaro Yonezu Ioan Balint Takushi Yokoyama | 2012 | Colloids and Surfaces A: Physicochemical and Engineering Aspects2012，，： | 1 |
| 16 | Efficacy of cytapheresis in patients with ulcerative colitis showing insufficient or lost response to biologic therapy显示文摘For the optimal management of refractory ulcerative colitis(UC),secondary loss of response(LOR)and primary non-response to biologics is a critical issue.This article aimed to summarize the current literature on the use of cytapheresis(CAP)in patients with UC showing a poor response or LOR to biologics and discuss its advantages and limitations.Further,we summarized the efficacy of CAP in patients with UC showing insufficient response to thiopurines or immunomodulators(IM).Eight studies evaluated the efficacy of CAP in patients with UC with inadequate responses to thiopurines or IM.There were no significant differences in the rate of remission and steroid-free remission between patients exposed or not exposed to thiopurines or IM.Three studies evaluated the efficacy of CAP in patients with UC showing an insufficient response to biologic therapies.Mean remission rates of biologics exposed or unexposed patients were 29.4%and 44.2%,respectively.Fourteen studies evaluated the efficacy of CAP in combination with biologics in patients with inflammatory bowel disease showing a poor response or LOR to biologics.The rates of remission/response and steroid-free remission in patients with UC ranged 32%-69%(mean:48.0%,median:42.9%)and 9%-75%(mean:40.7%,median:38%),respectively.CAP had the same effectiveness for remission induction with or without prior failure on thiopurines or IM but showed little benefit in patients with UC refractory to biologics.Although heterogeneity existed in the efficacy of the combination therapy with CAP and biologics,these combination therapies induced clinical remission/response and steroid-free remission in more than 40%of patients with UC refractory to biologics on average.Given the excellent safety profile of CAP,this combination therapy can be an alternative therapeutic strategy for UC refractory to biologics.Extensive prospective studies are needed to understand the efficacy of combination therapy with CAP and biologics. | Masahiro Iizuka Takeshi Etou Shiho Sagara | 2022 | World Journal of Gastroenterology2022，28，34： | 0 |
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