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Öğe Adverse drug reactions affecting treatment adherence in first-line treatment of asthma: An observational study(Codon Publications, 2023) Erdem, Semiha Bahceci; Nacaroglu, Hikmet Tekin; Can, DemetBackground: Asthma is the most common chronic lung disease among children. International guidelines recommend inhaled corticosteroids (ICS) as the first-line daily controller therapy for children with asthma and leukotriene receptor antagonists (LTRA) as the second alternative therapy. Adherence to treatment is the most significant component to optimize the benefits of therapy in asthma. Objective: This study aims to investigate the frequency of drug discontinuation due to adverse drug reactions (ADRs) that affect adherence to treatment in children with asthma or asthma and allergic rhinitis using LTRA or ICS as monotherapy. Methods: The subjects aged 4-18 years with asthma or asthma and allergic rhinitis and using montelukast or ICS as monotherapy were included in the study. They were evaluated in terms of ADRs affecting adherence to treatment in the first and third months of treatment. Results: A total of 468 cases, 356 of whom received montelukast monotherapy and 112 of whom received ICS treatment, with a mean age of 9.10 +/- 3.08 (4-17) years, were included in the study. Males constituted 65.6% of the total cases (n = 307). In the first month of follow-up of the cases, it was observed that 4.8% (n = 17) of the patients in the montelukast group could not continue the treatment due to ADR. It was determined that the drug discontinuation rate in the montelukast group in the first month was significantly higher than in the ICS group (P = 0.016), and the risk of drug discontinuation due to ADR in the montelukast group was 1.333 (95% CI, 1.26-1.40) times higher. Conclusions: As a result, it was observed that the drug was discontinued due to ADR at a higher rate in children with asthma who received montelukast monotherapy compared to those who received ICS monotherapy. (c) 2023 Codon Publications. Published by Codon Publications.Öğe CD4+CD25+CD127loFOXP3+cell in food allergy: Does it predict anaphylaxis?(Codon Publications, 2023) Erdem, Semiha Bahceci; Genel, Ferah; Nacaroglu, Hikmet Tekin; Karaman, Sait; Karkiner, Canan Sule Unsal; Surucu, Murat; Can, DemetBackground: Food allergy (FA), hence the incidence of food anaphylaxis, is a public health problem that has increased in recent years. There are still no biomarkers for patients with FA to predict severe allergic reactions such as anaphylaxis. Objective: There is limited information on whether regulatory T (Treg) cell levels are a biomarker that predicts clinical severity in cases presenting with FA, and which patients are at a greater risk for anaphylaxis. Methods: A total of 70 children were included in the study: 25 who had IgE-mediated cow's milk protein allergy (CMPA) and presented with non-anaphylactic symptoms (FA/A-), 16 who had IgE-mediated CMPA and presented with anaphylaxis (FA/A+) (a total of 41 FA cases), and a control group consisting of 29 children without FA. The study was conducted by performing CD4+CD25+CD127(lo)FOXP3+ cell flow cytometric analysis during resting at least 2 weeks after the elimination diet to FA subjects. Results: When the FA group was compared with healthy control subjects, CD4+CD25+CD127(lo)FOXP3+ cell rates were found to be significantly lower in the FA group (p < 0.001). When the FA/A- and FA/A+ groups and the control group were compared in terms of CD4+CD25+CD127(lo)FOXP3+ cell ratios, they were significantly lower in the FA/A- and FA/A+ groups compared to the control group (p < 0.001). Conclusions: Although there was no significant difference between the FA/A+ group and the FA/ A- group in terms of CD4+CD25+CD127(lo)FOXP3+ cells, our study is important, as it is the first pediatric study we know to investigate whether CD4+CD25+CD127(lo)FOXP3+ cells in FA predict anaphylaxis. (c) 2023 Codon Publications. Published by Codon Publications.Öğe A different starting line for allergic march: food protein-induced allergic proctocolitis(Codon Publications, 2023) Bahceci, Semiha; Toz, Pinar Kuyum; Celik, Figen Celebi; Can, DemetObjective: The aim of this study is to investigate the long-term prognosis of food protein-induced allergic proctocolitis (FPIAP) patients, the risk of developing both allergic and gastrointestinal diseases, and to evaluate whether it leads to allergic march. Methods: A total of 149 children who were diagnosed with FPIAP and developed tolerance at least 5 years prior to the study and 41 children (with no history of food allergy) as a control group were enrolled. Both groups were re-evaluated for allergic diseases as well as gastrointestinal disorders. Results: The mean age of diagnosis for the FPIAP group was 4.2 +/- 3.0 months, while the mean age of tolerance was 13.9 +/- 7.7 months. The mean age of both FPIAP and control groups at the last visit was 101.6 +/- 24.4 and 96.3 +/- 24.1 months, respectively (P = 0.213). At the final evaluation of both groups, the comorbid allergic disease was significantly higher in the FPIAP group (P < 0.001). There was no significant difference between the two groups in terms of functional gastrointestinal disorders (FGIDs), eosinophilic gastrointestinal diseases, and inflammatory bowel disease (P = 0.198, 0.579, and 0.579, respectively). In the FPIAP group, the allergic disease was significantly higher at the final visit in patients with comorbid allergic disease at diagnosis (P < 0.001). In the FPIAP group, FGID was significantly higher in the group that developed allergic diseases in the future, compared to the group that did not develop allergic diseases in the future (P = 0.034). The proportion of both FGID and allergic diseases was significantly higher in subjects that developed tolerance at >18 months, compared to subjects that developed tolerance at =18 months (P < 0.001 and < 0.001, respectively). Conclusions: Patients with FPIAP may develop allergic diseases as well as FGID in the long term. (c) 2023 Codon Publications. Published by Codon Publications.