Background Zonulin is a protein, reversibly increasing the permeability of the intestinal wall by changing the structure of tight junctions of the lateral surfaces of intestinal epithelial cells. Fecal zonulin is used for noninvasive assessment of increased intestinal permeability. Normal values of zonulin in stool (≤ 110 ng/ml) indicate the absence of damage of the intestinal villous mucosal surface and normal density of intercellular contacts. The aim of the study was to determine the level of fecal zonulin (FZ) in the feces of ulcerative colitis (UC) patients with exacerbation of the disease and the presence of COVID-19 in the acute period and without COVID-19 to assess the degree of intestinal permeability. Methods 46 patients with IBD without COVID-19 (Me age — 36 years) and 31 patients with UC with the presence of COVID-19 infection in the acute period (Me age — 42 years) were examined. Untreated stool samples of patients were frozen and stored at a temperature of 80 °C. FZ was measured by ELISA (IDK ® Zonulin ELISA Kit, Immunodiagnostik AG, Germany) in ng/ml. Reference values: < 83.15 ng/ml - a variant of the norm, 83.15-110 ng/ml - an elevated level, 110 ng/ml - a high level Results In the stool samples of patients with UC exacerbation without COVID-19 FZ was detected from 172.6 to 460.8 ng/ml (Me - 316), the average value was 322.4±14.6 ng/ml. In the stool samples of patients with UC exacerbation and COVID-19 infection, FZ was detected from 354.8 to 628.3 ng/ml (Me – 489.9), the average value was 472.9±18.4 ng/ml (p=0.000001). Conclusion FZ concentration in the feces of UC patients is significantly higher in UC patients with the presence of COVID-19 infection in the acute period, which indicates a higher permeability of the intestinal wall.
The article introduces two clinical cases of successful treatment of Crohn’s disease (CD) of the upper gastrointestinal tract (UGT) with TNF inhibitors. Besides that, the article presentes the review, devoted to diagnostics and treat the same injury of patients with CD. It should be mentioned, that number of publications in worldwide and national literature is quite insignificant. One fact that is more important is the unavailability of unificational approach to treatment of such group of patients. We suppose that epidemiological research is necessary to define the true prevalence of lesions of the upper gastrointestinal tract in CD, risk factors and prognosis for this patient group, and to output the diagnostic and therapeutic tactics.
Introduction. Inflammatory bowel diseases are a group of chronic, immune-mediated diseases of unknown etiology. Etiotropic therapy of IBD does not exist, all drugs used to treat IBD have a pathogenetic effect. In the treatment of IBD biologic therapy is used. The most previously registered group of biologics are anti-TNF-α. But, after the expiration of the relevant patents, biosimilars appeared on the market (analogs, comparable in quality to the already approved reference product).Materials and methods. A retrospective study was conducted on the basis of the Ryzhikh Natianal Medical Research Centre for Coloproctology of the Ministry of Health of the Russia, which included 46 patients who switched from therapy with the original infliximab or adalimumab to biosimilar therapy.Discussion. This study showed that when switching therapy with the original drugs infliximab and adalimumab to biosimilars, the effectiveness of therapy does not significantly decrease with the use of biosimilars Infliximab BIOCAD and Dalibra. However, a statistically significant decrease in efficacy was revealed when switching from therapy with the original Infliximab to Flammegis. Considering that the use of biosimilars can reduce the cost of treatment and reduce the burden on the health budget, it is necessary to continue this study in order to obtain longer-term results.
AIM: to evaluate the effect of cytomegalovirus (CMV) infection on the course of moderate and severe flare ups of ulcerative colitis (UC).PATIENTS AND METHODS: a prospective cohort single-center study was done in September 2018 — December 2020. The study included patients with moderate and severe flare ups of UC. All patients underwent colonoscopy with biopsy to quantify CMV DNA by polymerase chain reaction (PCR). Subsequently, the patients were divided into subgroups: with the presence of CMV (CMV+) and its absence (CMV–). In the CMV+ subgroup, antiviral therapy was carried out with an assessment of virological, clinical and endoscopic results on the 19th day of therapy, one month after its completion and after 6 months. In the CMV– subgroup these results were evaluated after 6 months only.RESULTS: the study included 126 patients. CMV was detected in 51 (40.5%). At the same time, its presence was not influenced by gender, age, or previous therapy. Laboratory indicators in both subgroups were comparable, as well as the severity of UC. A significant increase in the risk of developing steroid resistance was revealed in CMV+ patients with severe UC attack (OR 1.33, 95% CI: 1.059–19.4). The effectiveness of antiviral therapy was 60.8%. All patients who did not respond to antiviral therapy underwent surgery. At the same time, among patients in whom antiviral therapy was effective (virus eradication was achieved), there was no need for surgery.CONCLUSION: CMV infection significantly increases the likelihood of developing steroid resistance in patients with severe flare up of UC, while all patients who responded to antiviral therapy did not require surgery. Further multicenter randomized trials are needed.
AIM: detection of steroid dependence and steroid resistance predictors in patients with ulcerative colitis (UC).PATIENTS AND METHODS: a retrospective study was conducted. The medical documentation of 1105 patients, who underwent inpatient treatment in Ryzhikh National Medical Research Center of Coloproctology from 2018 to 2021, were analyzed. 69% of patients (n=762) received systemic steroid therapy for UC. In accordance with inclusion and non-inclusion criteria, the medical documentation of 170 patients was selected for statistical analysis. Depending on the steroid status of patients, three groups were identified: group 1 (n=56) with steroid dependence, group 2 (n=56) with steroid resistance and group 3 - control (n=58), who were prescribed systemic GCS without the further development of steroid dependence and resistance.RESULTS: the incidence of steroid dependence was 23.4% (n=259), and steroid resistance was 15.2% (n=168). We identified the following predictors and risk factors of steroid dependence: age of the disease onset <30 y.o. (AOR=0,960, 95%CI= 0,928-0,993, p=0,019), start dose of prednisolone <60 mg (AOR=2,369, 95%ДИ= 1,030-5,441, p=0,042), prescription of systemic GCS ≥2 courses per year (AOR=2,988, 95%ДИ= 1,349-6,619, p=0,007), Mayo Index Score <10 (AOR=0,631, 95%ДИ=0,492-0,809, p<0,001). The risk of steroid resistance statistically significant when Mayo Index Score ≥10 (AOR=2,573, 95%ДИ=1,094-6,050, p=0,030), albumin level <37,1 g/l (AOR=4,571, 95%ДИ=1,567-13,330, p=0,005), CRP ≥47,1 mg/l (AOR=2,641, 95%ДИ=1,102-6,328, p=0,029).CONCLUSION: it is rational to predict an individual response to GCS in patients with UC. With a high risk of developing steroid dependence and steroid resistance, it is advisable to consider early appointment of biological and target therapy, avoiding represcription of GCS.
AIM: to evaluate the effectiveness of tofacitinib as a second line treatment.PATIENTS AND METHODS: the study included 12 patients, 4 (33.34%) males and 8 (66.66%) females. The median age was 41 ± 5 years. All patients admitted to the hospital with a severe flare-up of ulcerative colitis, which was the inclusion criterion in this study. Clinical manifestations, laboratory parameters, and colonoscopy were done at the time of administration of tofacitinib, on days 3 and 7, and after 12 weeks.RESULTS: a fast clinical response on 3 day of treatment, reduction in stool frequency, decrease blood in stool was noted in 10 (83.3%) patients. After 7 days from the start of TFCS therapy, all patients showed a decrease from severe activity to mild activity, as well as a decrease in inflammatory blood markers and hemoglobin levels. During the follow-up for 12 weeks, 100% of patients showed positive clinical and laboratory changes. In 10 (83.4%) patients, remission or maintenance of negligible minimal activity was noted.CONCLUSION: the results obtained show that the use of TFTB in hormone-resistant patients can be effective as a second line of “rescue therapy”.
AIM: to evaluate the effectiveness of tofacitinib as a second line treatment.PATIENTS AND METHODS: the study included 12 patients, 4 (33.34%) males and 8 (66.66%) females. The median age was 41 ± 5 years. All patients admitted to the hospital with a severe flare-up of ulcerative colitis, which was the inclusion criterion in this study. Clinical manifestations, laboratory parameters, and colonoscopy were done at the time of administration of tofacitinib, on days 3 and 7, and after 12 weeks.RESULTS: a fast clinical response on 3 day of treatment, reduction in stool frequency, decrease blood in stool was noted in 10 (83.3%) patients. After 7 days from the start of TFCS therapy, all patients showed a decrease from severe activity to mild activity, as well as a decrease in inflammatory blood markers and hemoglobin levels. During the follow-up for 12 weeks, 100% of patients showed positive clinical and laboratory changes. In 10 (83.4%) patients, remission or maintenance of negligible minimal activity was noted.CONCLUSION: the results obtained show that the use of TFTB in hormone-resistant patients can be effective as a second line of “rescue therapy”.
AIM: to improve the results of treatment of patients with «extremely severe» ulcerative colitis (UC).PATIENTS AND METHODS: A multicenter observational prospective «case-control» study was conducted. The study included 71 patients with «extremely» severe UC from June 2019 to October 2021. All patients underwent conservative therapy in accordance with current clinical guidelines. Evaluation of the effectiveness of treatment was carried out on the 3rd and 7th days of therapy, a "response" or "no response" to steroid therapy was stated.RESULTS: A total of 48 (68%) patients underwent surgical treatment during the follow-up period during hospitalization. 23 (32%) patients "responded" to conservative therapy and were discharged without colectomy. A reliable independent predictor of colectomy at the time of hospitalization was the level of albumin less than 29 g/l (OR – 8,6 95% CI: 2,5 – 39,9, p=0,002). On day 3, the reliable predictors were the level of C-reactive protein over 15.5 mg/l (OR – 9 95% CI: 2.4 – 46.1, p=0.003) and the value of the Mayo index above 7 points (OR – 13.3 95% CI: 3.3 – 75.7, p=0.0009).CONCLUSION: The study has demonstrated that the only reliable and independent predictor of colectomy at admission to the clinic is the level of albumin less than 29 g/l. Reliable factors that make it possible to evaluate and predict the effectiveness of therapy are the level of C-reactive protein more than 15.5 mg/l and the value of the Mayo index above 7 points on the 3rd day of therapy, as well as the level of C-reactive protein above 29 mg/l on the 7th day.
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