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Predictors of relapse after omalizumab withdrawal in chronic spontaneous urticaria: Role of baseline autoimmunity and hematologic indices: CSU Relapse After Omalizumab Withdrawal. 慢性自发性荨麻疹停药后复发的预测因素:基线自身免疫和血液学指标的作用:停药后CSU复发
IF 2 3区 医学
Allergy and asthma proceedings Pub Date : 2026-01-01 DOI: 10.2500/aap.2026.47.250089
Sema Koc Yildirim, Ece Erbagci, Neslihan Demirel Ogut, Simge Unal, Ece Gokyayla
{"title":"Predictors of relapse after omalizumab withdrawal in chronic spontaneous urticaria: Role of baseline autoimmunity and hematologic indices: CSU Relapse After Omalizumab Withdrawal.","authors":"Sema Koc Yildirim, Ece Erbagci, Neslihan Demirel Ogut, Simge Unal, Ece Gokyayla","doi":"10.2500/aap.2026.47.250089","DOIUrl":"10.2500/aap.2026.47.250089","url":null,"abstract":"<p><p><b>Background:</b> There is currently no accepted biomarker for predicting which patients will experience relapse after discontinuation of omalizumab therapy. <b>Objective:</b> This retrospective study aimed to identify clinical and laboratory markers associated with chronic spontaneous urticaria relapse. <b>Methods:</b> \"Relapse\" was defined as a urticaria control test score of <12 during the 6-month follow-up after treatment interruption after 24 weeks of therapy. Baseline demographic characteristics and laboratory values, including total immunoglobulin E (IgE), anti-thyroid peroxidase (TPO), C-reactive protein (CRP), and complete blood cell count parameters, were compared between patients who did and patients who did not experience relapse. <b>Results:</b> In the cohort of 43 patients, relapse occurred in 13 (30.2%). There were no significant differences between the patients who relapsed and those who did not relapse with respect to gender, age, disease duration, disease activity, concomitant angioedema, chronic inducible urticaria, atopic comorbidity, total IgE levels, or CRP levels. The median anti-TPO level was significantly higher in the relapsed group (p = 0.039), with an optimal predictive cutoff value of 67 IU/mL, with 62.5% sensitivity and 84.2% specificity (area under the curve 0.753; p = 0.041). Among the hematologic parameters, the mean platelet volume (MPV) was the only variable to differ significantly (p = 0.028), being lower in the relapsed group than in the non-relapsed group, and yielded an optimal cutoff value of 10.25 fL, with 92.3% sensitivity and 34.5% specificity (area under the curve 0.712; p = 0.03). <b>Conclusion:</b> In this retrospective, small-sample study, the anti-TPO level and MPV emerged as exploratory predictors of recurrence; however, their clinical utility requires validation in larger, prospective cohorts before implementation.</p>","PeriodicalId":7646,"journal":{"name":"Allergy and asthma proceedings","volume":"47 1","pages":"32-39"},"PeriodicalIF":2.0,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145941938","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Winged hymenoptera: Discordance between In vitro and In vivo sensitization. 翅膜翅目昆虫:体外和体内致敏的不一致。
IF 2 3区 医学
Allergy and asthma proceedings Pub Date : 2026-01-01 DOI: 10.2500/aap.2026.47.250080
Veronica Alix, Jareatha Abdul Raheem, Lauren Gabreski, Karla Adams
{"title":"Winged hymenoptera: Discordance between In vitro and In vivo sensitization.","authors":"Veronica Alix, Jareatha Abdul Raheem, Lauren Gabreski, Karla Adams","doi":"10.2500/aap.2026.47.250080","DOIUrl":"10.2500/aap.2026.47.250080","url":null,"abstract":"<p><p><b>Background:</b> An Hymenoptera venom allergy diagnosis requires sting-triggered systemic reaction symptoms and evidence of venom-specific immunoglobulin E (IgE) through skin or serologic testing. A lack of concordance between skin and serologic testing has been reported previously; using these tests in a complementary fashion has been emphasized in published guidelines. <b>Objective:</b> We assessed skin and serologic venom-specific IgE testing discordance and factors that impact the testing. <b>Methods:</b> A retrospective review of patients with allergist-diagnosed winged Hymenoptera venom allergy prescribed venom immunotherapy at one center from 2005 to 2023 was completed. Record review included demographics, Mueller grading reaction severity, and venom testing results. Patients were included if they had both skin and serologic testing results. <b>Results:</b> A total of 125 records were reviewed, with 33 meeting inclusion criteria. Patients were 7-69 years old, 55% female, and Mueller grade 2 and above reactions occurred in 94%. Kappa coefficients for both tests for individual winged Hymenoptera were all <0.35. Discordance occurred 37% of the time overall; no venom was found to be more or less discordant than the others. Skin testing results were found to be positive more frequently than were serologic testing results overall (p = 0.0126), in male individuals (p = 0.007), when the initial sting was at >18 years old (p = 0.016), when testing was completed at >30 years old (p = 0.006), and when there were >5 years between the initial sting and testing (p = 0.007). <b>Conclusion:</b> Skin and serologic testing for winged Hymenoptera are frequently discordant, and both should be tested to confirm or refute negative results. In certain populations, skin testing should be completed first.</p>","PeriodicalId":7646,"journal":{"name":"Allergy and asthma proceedings","volume":"47 1","pages":"17-24"},"PeriodicalIF":2.0,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145941941","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Food allergy concurrent with atopic dermatitis: Correlation with age of onset and severity. 食物过敏并发特应性皮炎:与发病年龄和严重程度相关。
IF 2.2 3区 医学
Allergy and asthma proceedings Pub Date : 2025-09-01 DOI: 10.2500/aap.2025.46.250054
Ismail Ozanli, Nezihe Nefise Uluc, Nagihan Iskender, Taha Yasin Akin, Yusuf Ziya Varli, Sibel Balci, Isil Eser Simsek, Metin Aydogan
{"title":"Food allergy concurrent with atopic dermatitis: Correlation with age of onset and severity.","authors":"Ismail Ozanli, Nezihe Nefise Uluc, Nagihan Iskender, Taha Yasin Akin, Yusuf Ziya Varli, Sibel Balci, Isil Eser Simsek, Metin Aydogan","doi":"10.2500/aap.2025.46.250054","DOIUrl":"10.2500/aap.2025.46.250054","url":null,"abstract":"<p><p><b>Background:</b> Data on the frequency of food sensitivity (FS) and food allergy (FA) in patients with atopic dermatitis (AD) differ among studies. <b>Objectives:</b> The aim of this study was to determine the frequency of FS and FA in different AD phenotypes according to the age of onset and severity of AD. In addition, we aimed to investigate the risk of FA in these patients. <b>Methods:</b> Patients diagnosed with AD between 2022 and 2024 were included in the study. All patients with AD admitted during this period were analyzed for the coexistence of FA and FS. <b>Results:</b> The study included 257 children with AD. Of these patients, 147 of 257 were girls (57.2%). The median (interquartile range [IQR]) age of onset of AD was 6 months (2.5-30 months). By the age of AD onset, FS and FA were present in 60.3% and 32.5%, respectively, in patients with moderate-to-severe AD, with disease onset between ages 0 and 3 months. Among the patients with disease onset between ages 4 and 11 months, the corresponding rates in moderate-to-severe cases were 59.6% for FS and 17.4% for FA. FS was present in 39.3% of moderate-to-severe cases with AD onset age after 12 months, but none had FA. Being in the moderate-to-severe category for AD increased the risk of FA 14-16 times compared with the mild AD group. <b>Conclusion:</b> FS is significantly more prevalent than FA in patients with AD. In children in whom FS test results are positive, the diagnosis of AD-FA coexistence should not be made without performing an elimination diet and oral food challenge test. This approach will help prevent unnecessary food elimination.</p>","PeriodicalId":7646,"journal":{"name":"Allergy and asthma proceedings","volume":"46 5","pages":"e137-e143"},"PeriodicalIF":2.2,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145074308","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The burden of systemic corticosteroids in patients with chronic rhinosinusitis with nasal polyps. 慢性鼻窦炎伴鼻息肉患者全身糖皮质激素的负担。
IF 2 3区 医学
Allergy and asthma proceedings Pub Date : 2025-09-01 DOI: 10.2500/aap.2025.46.250050
Anju T Peters, Jayant M Pinto, Kathleen M Buchheit, Sietze Reitsma, Andrew Thamboo, Shigeharu Fujieda, Mark Corbett, Eric Zaccone, Amr Radwan, Paul J Rowe, Yamo Deniz
{"title":"The burden of systemic corticosteroids in patients with chronic rhinosinusitis with nasal polyps.","authors":"Anju T Peters, Jayant M Pinto, Kathleen M Buchheit, Sietze Reitsma, Andrew Thamboo, Shigeharu Fujieda, Mark Corbett, Eric Zaccone, Amr Radwan, Paul J Rowe, Yamo Deniz","doi":"10.2500/aap.2025.46.250050","DOIUrl":"10.2500/aap.2025.46.250050","url":null,"abstract":"<p><p><b>Background:</b> Systemic corticosteroids (SCS) are widely used to treat patients with chronic rhinosinusitis with nasal polyps (CRSwNP) that is insufficiently controlled with first-line treatments. However, such treatment must be balanced against the risk of adverse effects with protracted or repeated use. Increasing awareness of these adverse effects and the introduction of biologics are changing established management approaches. <b>Objective:</b> The objective was to review the role of SCS in the management of CRSwNP in the evolving treatment landscape. <b>Methods:</b> A literature search was conducted for salient articles on SCS in CRSwNP, including guidelines. <b>Results:</b> SCS reduce inflammation through broad actions on various immune mediators. Short courses of SCS improve symptoms (especially olfactory function) and reduce polyp size, benefits that do not persist long-term after treatment ends. SCS are widely used before endoscopic sinus surgery to improve the visibility of the surgical field and after surgery to improve outcomes, although evidence for benefit of postsurgical SCS is lacking. Adverse effects associated with SCS can manifest in a wide range of organs and systems. Use of SCS in patients with CRSwNP is associated with an increased risk of avascular necrosis, pneumonia, obesity, anxiety and/or depression, fracture, sleep apnea, hypothalamic-pituitary-adrenal axis suppression, diabetes, and hypertension. The SCS dosage regimen for CRSwNP is not well defined, and there is wide variation in clinical practice. Clinical guidelines refer to \"short courses\" of SCS but provide minimal guidance and lack consensus. Biologic treatments for CRSwNP have well-documented steroid-sparing effects, but the extent to which biologics might be able to reduce the use of or replace SCS may depend on economics as well as relative benefit-to-risk ratios. <b>Conclusion:</b> Short courses of SCS are widely used in patients with CRSwNP, but their use must be balanced against the risk of adverse effects. Use of biologics may reduce the use of SCS in CRSwNP, minimizing these adverse effects.</p>","PeriodicalId":7646,"journal":{"name":"Allergy and asthma proceedings","volume":"46 5","pages":"406-413"},"PeriodicalIF":2.0,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12419965/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145074290","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Artificial intelligence and allergy: Shaping the future of diagnosis and therapy. 人工智能和过敏:塑造诊断和治疗的未来。
IF 2.2 3区 医学
Allergy and asthma proceedings Pub Date : 2025-09-01 DOI: 10.2500/aap.2025.46.250064
Joseph A Bellanti, Russell A Settipane
{"title":"Artificial intelligence and allergy: Shaping the future of diagnosis and therapy.","authors":"Joseph A Bellanti, Russell A Settipane","doi":"10.2500/aap.2025.46.250064","DOIUrl":"10.2500/aap.2025.46.250064","url":null,"abstract":"","PeriodicalId":7646,"journal":{"name":"Allergy and asthma proceedings","volume":"46 5","pages":"351-353"},"PeriodicalIF":2.2,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12419970/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145074239","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pediatric allergen immunotherapy in the United States: Current practice, safety, and unmet needs for long-term and preventive outcomes. 儿童过敏原免疫治疗在美国:目前的做法,安全性和未满足的长期和预防性结果的需求。
IF 2.2 3区 医学
Allergy and asthma proceedings Pub Date : 2025-09-01 DOI: 10.2500/aap.2025.46.250058
Dana V Wallace
{"title":"Pediatric allergen immunotherapy in the United States: Current practice, safety, and unmet needs for long-term and preventive outcomes.","authors":"Dana V Wallace","doi":"10.2500/aap.2025.46.250058","DOIUrl":"10.2500/aap.2025.46.250058","url":null,"abstract":"<p><p><b>Background:</b> Allergen immunotherapy (AIT) is the only disease-modifying treatment for allergic rhinitis (AR), allergic asthma, and, potentially, atopic dermatitis (AD) in children. Despite demonstrated efficacy, AIT remains underutilized in the United States. Subcutaneous immunotherapy (SCIT) and sublingual immunotherapy (SLIT) both reduce symptoms and medication use, although much supporting evidence comes from non-U.S. studies by using extracts not approved domestically. Moreover, most U.S. trials of multiallergen SCIT lack rigorous placebo controlled data. <b>Objective:</b> The objectives were to examine current evidence on pediatric AIT, evaluate clinical efficacy and safety, and highlight key research gaps, particularly within the U.S. context. <b>Methods:</b> A literature search was conducted by using terms that included pediatric AIT, SCIT, SLIT tablets; SLIT drops; and off-label SLIT. The review focused on AIT for AR, asthma, and AD in children, with comparative analysis of SCIT and SLIT in terms of efficacy, safety, and preventative potential. <b>Results:</b> Both SCIT and SLIT are effective for AR and, to a lesser extent, asthma and AD. SLIT tablets offer the advantages of at-home use and a favorable safety profile but in the U.S. are limited to single allergens, which poses challenges for patients who were polysensitized. AIT shows potential for tertiary prevention, such as delaying asthma onset or reducing new sensitizations, although more U.S.-based pediatric data are needed. SCIT carries a risk of systemic reactions; SLIT maintains excellent safety. Knowledge gaps remain with regard to optimal treatment duration, extract formulation, and multiallergen use in children who are polyallergic. <b>Conclusion:</b> AIT is a valuable disease-modifying option for pediatric allergic diseases, but broader U.S. adoption is hindered by regulatory, reimbursement, and evidence limitations. Shared decision-making is critical to align treatment with patient needs. High-quality U.S.-based studies are essential to optimize care and long-term outcomes for children who are allergic.</p>","PeriodicalId":7646,"journal":{"name":"Allergy and asthma proceedings","volume":"46 5","pages":"362-381"},"PeriodicalIF":2.2,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145074354","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evolving therapies for chronic spontaneous urticaria: Addressing unmet needs in adults and children. 慢性自发性荨麻疹的新疗法:解决成人和儿童未满足的需求。
IF 2.2 3区 医学
Allergy and asthma proceedings Pub Date : 2025-09-01 DOI: 10.2500/aap.2025.46.250083
Joseph A Bellanti, Russell A Settipane
{"title":"Evolving therapies for chronic spontaneous urticaria: Addressing unmet needs in adults and children.","authors":"Joseph A Bellanti, Russell A Settipane","doi":"10.2500/aap.2025.46.250083","DOIUrl":"10.2500/aap.2025.46.250083","url":null,"abstract":"","PeriodicalId":7646,"journal":{"name":"Allergy and asthma proceedings","volume":"46 6","pages":"441-443"},"PeriodicalIF":2.2,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12577568/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145385806","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Got milk? Enzyme-linked immunosorbent assay analysis of casein proteins in methylprednisolone. 有牛奶吗?甲基强的松龙中酪蛋白的酶联免疫吸附分析。
IF 2.2 3区 医学
Allergy and asthma proceedings Pub Date : 2025-09-01 DOI: 10.2500/aap.2025.46.250047
Vishaka R Hatcher, Manuel Y Caballero, Meredith M Schuldt, Karla E Adams
{"title":"Got milk? Enzyme-linked immunosorbent assay analysis of casein proteins in methylprednisolone.","authors":"Vishaka R Hatcher, Manuel Y Caballero, Meredith M Schuldt, Karla E Adams","doi":"10.2500/aap.2025.46.250047","DOIUrl":"10.2500/aap.2025.46.250047","url":null,"abstract":"<p><p><b>Background:</b> Sporadic reports have been published with regard to allergic reactions in patients with bovine milk allergy after receiving parenteral lactose-containing methylprednisolone. Persistent milk allergy is a risk factor for other atopic diseases, in which corticosteroids, <i>e.g.,</i> methylprednisolone, are commonly an adjunctive treatment. Laboratory investigations to validate the presence of residual milk protein as the cause for reactions are scarce. Thus, individualized recommendations for the use of methylprednisolone in patients with milk allergy remain undefined. <b>Objective:</b> We hypothesized that excipient contaminants, e.g., residual caseins, may be responsible for these reactions. We sought to evaluate for the presence of casein proteins in lactose-containing methylprednisolone and provide recommendations with regard to its use in patients with milk allergy. <b>Methods:</b> To assess for incomplete purification of lactose from its bovine milk source, standardized enzyme-linked immunosorbent assay (ELISA) was performed from five vials across four lots of commercially available lactose-containing methylprednisolone to detect casein subtypes Bos d 9 and Bos d 11, the two most abundant milk proteins. <b>Results:</b> High-fidelity ELISA revealed no detectable Bos d 9 in any vials of lactose-containing methylprednisolone. Trace amounts of Bos d 11 were detected in all vials compared with Bos d 9 (p = 0.008). Molecular modeling revealed minimal similarity between Bos d 9 and Bos d 11. <b>Conclusion:</b> Undetectable Bos d 9 and trace Bos d 11 in lactose-containing methylprednisolone raises optimism but warrants further investigation of immunoglobulin E binding epitopes and the clinical relevance of casein subtypes. It is reassuring that milk protein eliciting doses are usually 10<sup>6</sup>-fold higher than the nanogram quantities of Bos d 11 detected in our study, although this is limited by exposure route. Vaccines and medications with possible trace milk proteins remain largely well tolerated in patients with milk allergy. Lactose-containing methylprednisolone can likely be used with low risk of adverse reaction in most patients with milk allergy.</p>","PeriodicalId":7646,"journal":{"name":"Allergy and asthma proceedings","volume":"46 5","pages":"431-437"},"PeriodicalIF":2.2,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145074323","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation of diagnostic tests for suspected hypersensitivity reactions to proton pump inhibitors in children. 儿童质子泵抑制剂疑似超敏反应诊断试验的评价
IF 2.2 3区 医学
Allergy and asthma proceedings Pub Date : 2025-09-01 DOI: 10.2500/aap.2025.46.250073
Deniz Yilmaz, Ozge Yilmaz Topal, Zeynep Sengul Emeksiz, Emine Dibek Misirlioglu
{"title":"Evaluation of diagnostic tests for suspected hypersensitivity reactions to proton pump inhibitors in children.","authors":"Deniz Yilmaz, Ozge Yilmaz Topal, Zeynep Sengul Emeksiz, Emine Dibek Misirlioglu","doi":"10.2500/aap.2025.46.250073","DOIUrl":"10.2500/aap.2025.46.250073","url":null,"abstract":"<p><p><b>Background:</b> Proton-pump inhibitors (PPI) are widely used in pediatric populations, although hypersensitivity reactions (HSR) to these agents are rare and not well characterized in children. <b>Objective:</b> This study aimed to evaluate the clinical characteristics and diagnostic findings of pediatric patients with suspected HSRs to PPIs. <b>Methods:</b> Pediatric patients referred to our allergy clinic with suspected PPI-related HSRs between January 2012 and October 2023 were retrospectively analyzed. Data on demographics, reaction characteristics, comorbidities, and diagnostic test outcomes (skin-prick test, intradermal test, and drug provocation test) were collected. <b>Results:</b> Twenty-two patients (median age, 12 years; 81% girls) were included. Lansoprazole was the most commonly implicated PPI (64%). Clinical manifestations included urticaria (41%), anaphylaxis (36%), maculopapular eruption (14%), angioedema (4.5%), and toxic epidermal necrolysis (4.5%). Most reactions (77%) occurred within 6 hours of drug intake. Among 18 patients undergoing diagnostic evaluation, 11 were tested with the suspected PPI and 7 were tested with an alternative PPI. One patient had a positive intradermal test result to omeprazole but tolerated lansoprazole. In total, 10 patients had their PPI allergy label removed after a negative diagnostic workup; 9 tolerated an alternative PPI. <b>Conclusion:</b> Urticaria and anaphylaxis were the most common presentations of PPI hypersensitivity. Lansoprazole was the most frequently suspected drug. Skin testing, followed by a drug provocation test with a tolerated alternative, remains essential for diagnostic clarification. Clinicians should be aware of possible cross-reactivity among PPIs. Further pediatric studies are needed to optimize diagnostic and management strategies for PPI-induced HSRs.</p>","PeriodicalId":7646,"journal":{"name":"Allergy and asthma proceedings","volume":"46 6","pages":"471-477"},"PeriodicalIF":2.2,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145385712","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Caregiver perceptions of β-lactam allergy testing for serum sickness-like reactions. 护理者对β-内酰胺过敏试验血清疾病样反应的认知。
IF 2.2 3区 医学
Allergy and asthma proceedings Pub Date : 2025-09-01 DOI: 10.2500/aap.2025.46.250059
Grace E Selner, Rory E Nicolaides, Timothy G Chow
{"title":"Caregiver perceptions of β-lactam allergy testing for serum sickness-like reactions.","authors":"Grace E Selner, Rory E Nicolaides, Timothy G Chow","doi":"10.2500/aap.2025.46.250059","DOIUrl":"10.2500/aap.2025.46.250059","url":null,"abstract":"<p><p><b>Background:</b> Beta-lactam allergy (BLA) labels are common in children but often disproven when formally evaluated. This diagnostic discrepancy leads to higher health-care costs and increased adverse outcomes. Beta-lactam antibiotics are associated with a variety of adverse reactions in children. A serum sickness-like reaction (SSLR) is one adverse reaction that is complex in its diagnosis and management due to its heterogeneous clinical presentation and poorly understood mechanism. This unclear presentation and diagnostic criteria can be confusing for patients, families, and health-care professionals, leading to allergy evaluation hesitancy. With updated drug practice parameters that support the utility of oral drug challenges for patients with SSLRs related to beta-lactams, barriers remain for these patients to seek allergy evaluation. <b>Objectives:</b> The objective was to assess caregiver perspectives on BLA delabeling and identify barriers to drug challenge testing in children with a history of SSLRs. <b>Methods:</b> We conducted an 18-question telephone survey with 14 caregivers of children with a history of beta-lactam-associated SSLR. The survey assessed attitudes toward allergy delabeling, understanding of challenge testing, and perceived barriers to testing. <b>Results:</b> Most caregivers demonstrated an understanding of the importance of allergy delabeling; however, the comfort level with challenge testing varied, depending on the setting, provider, and perceived risk of SSLR recurrence. Of the caregivers, 62.4% reported feeling comfortable with their child's pediatrician performing the testing. When asked about their concerns about testing, nearly 50% of caregivers expressed concern about the possibility of a repeated SSLR. <b>Conclusion:</b> The overall positive attitude toward BLA testing, especially in a primary care setting, highlights an opportunity to make testing more accessible for patients. However, the unpredictable nature of SSLRs seems to contribute to caregiver reservations about pursuing testing for their child. To mitigate this, targeted education from health-care professionals, such as physicians, advanced practice providers, and nurses, may reduce caregiver hesitancy and facilitate BLA delabeling for patients with SSLRs.</p>","PeriodicalId":7646,"journal":{"name":"Allergy and asthma proceedings","volume":"46 6","pages":"478-483"},"PeriodicalIF":2.2,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145385610","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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