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Introduction: Aberrant activation of the IL-23/IL-17 axis leads to inflammatory phenotypes with overlapping clinical characteristics. Inhibition of IL-17 has mostly an anti-inflammatory effect, but sporadic cases of new-onset IBD have been reported., Case Description: We present the case of a 65-year-old male patient with new-onset Crohn's-like disease after treatment with secukinumab for skin psoriasis. Discontinuation of the IL-17 inhibitor and high-dose corticosteroid treatment were efficient initially, but a relapse was noted during corticosteroid tapering. Administration of certolizumab pegol did partially relieve the patient, but disease remission was only achieved with subcutaneous risankizumab therapy., Discussion: Clinical trials and real-world data indicate sporadic cases of new-onset IBD in patients receiving IL-17 inhibitors. Interestingly, our case is a "treatment-resistant" one since treatment with a biologic disease-modifying drug (bDMARD) usually leads to disease remission. As such, it is crucial to investigate the special characteristics of this clinical entity., Competing Interests: The authors declare no conflict of interest., (© 2024 The Mediterranean Journal of Rheumatology (MJR).)

Background and aim : We conducted an equivalence trial of quadruple non-bismuth "concomitant" and "hybrid" regimens for H. pylori eradication in a high clarithromycin resistance area. Methods : There were 321 treatment-naïve H. pylori -positive individuals in this multicenter clinical trial randomized to either the hybrid (esomeprazole 40 mg/bid, amoxicillin 1 g/bid for 7 days, then 7 days esomeprazole 40 mg/bid, amoxicillin 1 g/bid, clarithromycin 500 mg/bid, and metronidazole 500 mg/bid) or the concomitant regimen (all medications given concurrently bid for 10 days). Eradication was tested using histology and/or a 13C-urea breath test. Results : The concomitant regimen had 161 patients (90F/71M, mean 54.5 years, 26.7% smokers, 30.4% ulcer) and the hybrid regimen had 160 (80F/80M, mean 52.8 years, 35.6% smokers, 31.2% ulcer). The regimens were equivalent, by intention to treat 85% and 81.8%, ( p = 0.5), and per protocol analysis 91.8% and 87.8%, ( p = 0.3), respectively. The eradication rate by resistance, between concomitant and hybrid regimens, was in susceptible strains (97% and 97%, p = 0.6), clarithromycin single-resistant strains (86% and 90%, p = 0.9), metronidazole single-resistant strains (96% and 81%, p = 0.1), and dual-resistant strains (70% and 53%, p = 0.5). The side effects were comparable, except for diarrhea being more frequent in the concomitant regimen. Conclusions : A 14-day hybrid regimen is equivalent to a 10-day concomitant regimen currently used in high clarithromycin and metronidazole resistance areas. Both regimens are well tolerated and safe.

Background: Bowel cleansing is an important factor for the quality of colonoscopy. We aimed to evaluate the efficacy of split-dose oral sulfate salts on bowel preparation and to determine parameters influencing the quality of bowel cleaning., Method: Consecutive adults who completed their preparation for colonoscopy with a regimen of sulfate salts were enrolled., Results: Of the 446 patients, 11 were excluded from the analysis. Among the 435 patients, 257 (59.1%) were female, mean age was 62.0±11.6 years and median body mass index (BMI) 26.1 kg/m 2 (interquartile range [IQR] 23.8-29.4). Indications for colonoscopy were screening 155 (35.6%), surveillance 102 (23.5%), or other 178 (40.9%). The median time between the end of second dose of the preparation regimen and colonoscopy initiation was 5:15 h (IQR 4:30-6:00, min: 2:20, max: 12:20). Minor adverse events were reported in 62 (14.3%) patients. BBPS=9 was observed in 279 (64.14%) patients. Segmental BBPS=3 was achieved in 387 (88.97%), 346 (79.54%) and 289 (66.44%) patients (P<0.001) in the descending, transverse and ascending colon, respectively. Multivariate analysis revealed that BMI (odds ratio [OR] 1.05, 95% confidence interval [CI] 1-1.1) and time between the end of the second laxative dose and colonoscopy initiation (OR 1.25, 95%CI 1.08-1.45) were associated with poorer bowel preparation., Conclusions: A split dose of oral sulfate salts is an efficacious and well tolerated regimen. Obesity and a longer time interval between the end of the second dose and colonoscopy initiation negatively influence bowel cleanliness., Competing Interests: Conflict of Interest: None, (Copyright: © Hellenic Society of Gastroenterology.)