Vonoprozan: potentially new first-line treatment for delayed upper gastrointestinal bleeds following endoscopic procedures? A letter to the editor

2022 ◽  
Vol 71 (12) ◽  
pp. 2838-2838
Author(s):  
Muhammad Umer ◽  
Syed Wasif Bukhari

Endoscopy nowadays is widely used as a diagnostic and therapeutic tool for various gastrointestinal diseases due to it being less invasive and safer. However, amongst some adverse events is delayed bleeding. The definition of delayed bleeding requires endoscopic hemostasis and/or blood transfusion after at least two days of treatment. (1) Oesophageal cancer is comparatively more common in Pakistan, being 7th most common malignancy in men and 6th most common in women in Karachi. (2) Oesophageal endoscopic submucosal dissection (E-ESD) employed in the treatment of the above- mentioned cancer has an incidence of delayed bleeding of about 1.3-6.7%. (1) The prevalence of gastric cancer across Pakistan was about 2-18% (3), for which endoscopic submucosal dissection is often used has an incidence of delayed bleeding of 4.7-15.6%. (1) Endoscopic therapy for gastroesophageal varices can also result in delayed bleeding, the incidence of which easily reaches up to 10%. (1) In a retrospective cohort study of 124,422 patients conducted in Japan, it was found that vonoprazan was more effective in reducing the risk of delayed bleeding compared to omeprazole. (OR= 0.75) (1) Vonoprazan works by competitively inhibiting the potassium-acid channel resulting in strong and sustained acid inhibition. (4) It was also found to have a superior effect in the eradication of H Pylori and an equal effect in acid-related disorders. (5)  In the retrospective study mentioned above, it is also worth noting that the efficacy of vonoprazan was variable with respect to procedures and was most prominent with gastroduodenal endoscopic submucosal dissection (OR=0.70). (1) Other procedures did not elicit any significant difference. In addition, standard/high dose vonoprazan proved to be most efficacious in reducing the risk of delayed bleeding compared with standard/high-dose PPI and low-dose vonoprazan. It was also observed that patients taking anti-thrombotic medications at a higher risk of delayed bleeding also benefited from high-dose vonoprazan. (OR=0.74) (1) The findings above compel the conclusion that high dose vonoprazan should be ideal for reducing the risk of delayed bleeding in patients who have undergone gastroduodenal endoscopic submucosal dissection and/or are on anti-thrombotics. Though high-dose vonoprazan does look promising, it is imperative that more randomized controlled trials on more diverse populations be conducted to further explore its efficacy and safety as the drug might be a potential first line of therapy.

2021 ◽  
Author(s):  
Jingjing Liu ◽  
Biwei Zhan ◽  
Yongjun Zeng

Abstract Objective: To investigate the effects of different doses of nalbuphine combined with an intravenous propofol pump for anesthesia during intestinal endoscopic submucosal dissection (ESD) in the elderly.Methods: A total of 85 elderly patients attending the Hanchuan People's Hospital from January 2016 to January 2018 were divided into low, medium, and high dose groups according to the intravenous dosing of nalbuphine given with a continuous propofol pump.The heart rate (HR), mean arterial pressure (MAP), and blood oxygen saturation (SaO2) were evaluated at five different time points (T1-T2).The levels of norepinephrine (NE), cortisol and blood glucose were intervals recorded. The occurrence of adverse reactions, hospitalization days, visual analogue scale (VAS) score, Ramsay sedation, and wake score after waking from anesthesia were assessed. Neurocognitive function was assessed at discharge and after surgery using the Montreal Cognitive Assessment (MoCA). Results: MR, MAP and SaO2 decreased significantly at T0-T4 in tested groups. The levels of NE, Cor, and Glu were significantly increased in three groups at T1-T3 and decreased among the medium-dose group. There was no statistically significant difference between the three groups in the total duration of anesthesia and the operative duration. The medium-dose group was performing significantly better than the low and high dose groups in clinical indicators. The postoperative VAS and Ramsay scores were higher in the low dose group (P<0.05). There was a significant difference in neurocognitive function scores and no significant differences in postoperative anesthesia satisfaction and hospitalization days were observed amongst the three groups (P>0.05).Conclusions: The use of nalbuphine (0.1 mg/kg) combined with propofol for anesthesia during intestinal ESD in the elderly can shorten recovery times and reduce the incidence of postoperative adverse events and neurocognitive disorders.


2016 ◽  
Vol 25 (2) ◽  
pp. 147-150 ◽  
Author(s):  
Vincenzo De Francesco ◽  
Lorenzo Ridola ◽  
Cesare Hassan ◽  
Annamaria Bellesia ◽  
Domenico Alvaro ◽  
...  

Background & Aims: The updated Italian guidelines advise a standard 14-day triple therapy for first-line H. pylori eradication. This prospective study evaluated the cure rate following a 14-day triple therapy with either a standard or double-dose proton pump inhibitor (PPI). Methods. A total of 145 consecutive patients with H. pylori infection were randomized to receive a 14-day, first-line triple therapy with clarithromycin 500 mg, amoxicillin 1 g and esomeprazole at either 20 mg (standard therapy) or 40 mg (double-dose therapy), each given twice daily. Results. At intention-to-treat analysis, H. pylori infection was cured in 73.9% (95% CI: 63.9−84) and 81.9% (95% CI: 73−90.8) following standard and double-dose therapy, respectively, and in 78.2% (95% CI: 68.5−87.9) and 85.5% (95% CI: 77.2−93.8) at per-protocol analysis. No statistically significant difference occurred. Overall, 16.4% and 19.4% patients in the standard and double-dose therapy regimen complained of side effects. Conclusion. The success rate of both standard and double-dose 14-day triple therapies for first-line H. pylori treatment was unsatisfactory. A prolonged 14-day levofloxacin-based triple therapy for second-line H. pylori eradication seems to be promising. Abbrevations: ITT: Intention To Treat; NUD: non ulcer dyspepsia; PP: PerAdd Contributor Protocol; PPI: proton pump inhibitors; PUD: peptic ulcer disease; UBT: urea breath test.


2020 ◽  
Vol 08 (08) ◽  
pp. E1044-E1051
Author(s):  
Shuntaro Inoue ◽  
Noriya Uedo ◽  
Takahiro Tabuchi ◽  
Kentaro Nakagawa ◽  
Masayasu Ohmori ◽  
...  

Abstract Background and study aims Epinephrine-added submucosal injection solution is used to facilitate hemostasis of non-variceal upper gastrointestinal bleeding and to prevent delayed bleeding of large pedunculated colorectal lesions. However, its benefit in gastric endoscopic submucosal dissection (ESD) for early gastric cancer (EGC) is unclear. The effectiveness of epinephrine-added injection solution for outcomes of gastric ESD was examined using propensity score matching analysis. Patients and methods A total of 1,599 patients with solitary EGC (83 with non-epinephrine-added solution and 1,516 with epinephrine-added solution) between 2011 and 2018 were enrolled. Propensity scores were calculated to balance the distribution of baseline characteristics: age, sex, tumor location, specimen size, presence of ulcer scar, tumor depth, histological tumor type, and operators’ experience, and 1:3 matching was performed. En bloc resection rate, mean procedure time, delayed bleeding rate, and perforation rate were compared between the non-epinephrine (n = 79) and epinephrine (n = 237) groups. Results Mean procedure time was significantly shorter in the epinephrine group than in the non-epinephrine group (60 vs. 78 min, P < 0.001). No significant difference was found in the rate of en bloc resection (both 99 %), incidence of delayed bleeding (both 6 %), or perforation (0 vs. 0.8 %) between the two groups. In multiple linear regression analysis, use of epinephrine-added solution was independently associated with short procedure time (P < 0.001) after adjustment for other covariates. Conclusion The results suggest that epinephrine-added injection solution is useful for reduction of gastric ESD procedure time, warranting validation in a randomized controlled trial.


2020 ◽  
Vol 08 (08) ◽  
pp. E1021-E1030
Author(s):  
Takeshi Yamashina ◽  
Yoshikazu Hayashi ◽  
Hisashi Fukuda ◽  
Masahiro Okada ◽  
Takahito Takezawa ◽  
...  

Abstract Background and study aims Resecting large colorectal sessile tumors using endoscopic submucosal dissection (ESD) is challenging because of severe submucosal fibrosis. Previously, we reported that ESD strategy using the pocket-creation method (PCM) is useful for large colorectal sessile tumors, but there are no large studies reporting the effectiveness and safety of the PCM for resection of large colorectal sessile tumors. Patients and methods This was a retrospective review of 90 large colorectal sessile tumors in 89 patients who underwent ESD in our institution. Large colorectal sessile tumors were defined as polypoid lesions 20 mm or more in diameter. We divided them into PCM (n = 40) and conventional method (CM) groups (n = 50). The primary outcome measure was en bloc resection. The inverse-probability-treatment weighting (IPTW) approach was used to adjust for selection bias. Results Both PCM and CM achieved high en bloc resection (100 % vs. 94 %, non-adjusted P = 0.25, IPTW-adjusted P = 0.19) and R0 resection rates (88 % vs. 78 %, non-adjusted P = 0.28, IPTW-adjusted P = 0.27). When PCM was used, the rate of pathologically negative vertical margins was significantly greater than with the CM (IPTW-adjusted P = 0.045). The dissection time was significantly shorter (IPTW-adjusted P = 0.025) and dissection speed faster (IPTW-adjusted P = 0.013) using the PCM than when the CM was used. There was no significant difference in the incidence of adverse events (intraprocedural perforation and delayed bleeding, IPTW-adjusted P = 0.68). Conclusion Although en bloc resection and R0 resection rates were similar, PCM significantly increased the rate of negative vertical margins with rapid dissection for treatment of large colorectal sessile tumors.


2020 ◽  
Vol 08 (11) ◽  
pp. E1654-E1663
Author(s):  
Hideharu Ogiyama ◽  
Takuya Inoue ◽  
Akira Maekawa ◽  
Shunsuke Yoshii ◽  
Shinjiro Yamaguchi ◽  
...  

Abstract Background and study aims In patients receiving antithrombotic therapy, the risks of delayed bleeding after endoscopic procedures for gastrointestinal neoplasms become a major problem. Few reports have shown the effects of delayed bleeding in patients taking anticoagulants after colorectal endoscopic submucosal dissection (ESD). This study aimed to evaluate the delayed bleeding events after colorectal ESD in patients receiving anticoagulant therapy. Patients and methods We retrospectively analyzed 87 patients taking anticoagulants who underwent colorectal ESD from April 2012 to December 2017 at 13 Japanese institutions participating in the Osaka Gut Forum. Among these patients, warfarin users were managed with heparin bridge therapy (HBT), continued use of warfarin, a temporary switch to direct oral anticoagulation (DOAC), or withdrawal of warfarin, and DOAC users were managed with DOAC discontinuation with or without HBT. We investigated the occurrence rate of delayed bleeding and compared the rates between warfarin and DOAC users. Results The delayed bleeding rate was 17.2 % among all patients. The delayed bleeding rate was higher in DOAC users than in warfarin users (23.3 % vs. 11.4 %, P = 0.14), although no statistically significant difference was observed. In DOAC users, the delayed bleeding rates for dabigatran, rivaroxaban, apixaban, and edoxaban users appeared similar (30 %, 18.2 %, 22.2 %, and 25 %, respectively). The onset of delayed bleeding in both warfarin and DOAC users was late, averaging 6.9 and 9.4 days, respectively. Conclusions Among patients taking anticoagulants, the risk of delayed bleeding after colorectal ESD was relatively high and the onset of delayed bleeding was late.


2021 ◽  
Author(s):  
Minami Hashimoto ◽  
Waku Hatta ◽  
Yosuke Tsuji ◽  
Toshiyuki Yoshio ◽  
Yohei Yabuuchi ◽  
...  

Author(s):  
João Santos-Antunes ◽  
Margarida Marques ◽  
Rui Morais ◽  
Fátima Carneiro ◽  
Guilherme Macedo

<b><i>Introduction:</i></b> Endoscopic submucosal dissection (ESD) is a well-established endoscopic technique for the treatment of gastrointestinal lesions. Colorectal ESD outcomes are less reported in the Western literature, and Portuguese data are still very scarce. Our aim was to describe our experience on colorectal ESD regarding its outcomes and safety profile. <b><i>Methods:</i></b> We conducted a retrospective evaluation of recorded data on ESDs performed between 2015 and 2020. Only ESDs performed on epithelial neoplastic lesions were selected for further analysis. <b><i>Results:</i></b> Of a total of 167 colorectal ESDs, 153 were included. Technical success was achieved in 147 procedures (96%). The lesions were located in the colon (<i>n</i> = 24) and rectum (<i>n</i> = 123). The en bloc resection rate was 92% and 97%, the R0 resection rate was 83% and 82%, and the curative resection rate was 79% and 78% for the colon and the rectum, respectively. The need for a hybrid technique was the only risk factor for piecemeal or R1 resection. We report a perforation rate of 3.4% and a 4.1% rate of delayed bleeding; all the adverse events were manageable endoscopically, without the need of blood transfusions or surgery. Most of the lesions were laterally spreading tumours of the granular mixed type (70%), and 20% of the lesions were malignant (12% submucosal and 8% intramucosal cancer). <b><i>Conclusion:</i></b> Our series on colorectal ESD reports a very good efficacy and safety profile. This technique can be applied by endoscopists experienced in ESD.


2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Satoshi Abiko ◽  
Soichiro Oda ◽  
Akimitsu Meno ◽  
Akane Shido ◽  
Sonoe Yoshida ◽  
...  

Abstract Background Methods have been developed for preventing delayed bleeding (DB) after gastric endoscopic submucosal dissection (GESD). However, none of the methods can completely prevent DB. We hypothesized that DB could be prevented by a modified search, coagulation, and clipping (MSCC) method for patients at low risk for DB and by combining the use of polyglycolic acid sheets and fibrin glue with the MSCC method (PMSCC method) for patients at high risk for DB (antibleeding [ABI] strategy). This study assessed the technical feasibility of this novel strategy. Method We investigated 123 lesions in 121 consecutive patients who underwent GESD in Kushiro Rosai Hospital between April 2018 and January 2020. The decision for continuation or cessation of antithrombotic agents was based on the Guidelines for Gastroenterological Endoscopy in Patients Undergoing Antithrombotic Treatment. Results Oral antithrombotic agents were administered to 28 patients (22.8%). The en bloc R0 resection rate was 98.4%. The MSCC method and the PMSCC method for preventing DB were performed in 114 and 9 lesions, respectively. The median time of the MSCC method was 16 min, and the median speed (the resection area divided by the time of method used) was 3.6 cm2/10 min. The median time of the PMSCC method was 59 min, and the median speed was 1.3 cm2/10 min. The only delayed procedural adverse event was DB in 1 (0.8%) of the 123 lesions. Conclusions The ABI strategy is feasible for preventing DB both in patients at low risk and in those at high risk for DB after GESD, whereas the PMSCC method may be necessary for reduction of time.


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