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Diagnosis, Investigation and Management of Non-immediate (Type IV) Cutaneous Adverse Drug Reactions.
Acta Dermatovenerol Croat
November 2024
Vesna Vukičević Lazarević, MD Special Hospital for Pulmonary Diseases, Rockefellerova 3, 10000 Zagreb, Croatia;
Pathophysiologically, drug hypersensitive reactions (DHRs) are classified into four types: type I, immediate reactions, and types II, III, and IV, non-immediate reactions. They are further categorized as severe or non-severe based on clinical severity. Genetic predisposition and viral reactivation are cofactors of severe DHR type IV.
View Article and Find Full Text PDFThe relationship between drug-induced immunogenicity and hypersensitivity reactions and skin tests related to infliximab, etanercept and adalimumab in patients with rheumatoid arthritis and ankylosing spondylitis.
Turk J Med Sci
December 2024
Division of Clinical Immunology and Allergy, Department of Chest Diseases, Faculty of Medicine, Ankara University, Ankara, Turkiye.
Article Synopsis
- The study aimed to explore the connection between serum antidrug antibodies (ADAbs), hypersensitivity reactions, and local injection site reactions in patients with ankylosing spondylitis and rheumatoid arthritis who were on anti-TNF treatments.
- Sixty-nine patients with ankylosing spondylitis and 46 with rheumatoid arthritis were evaluated, measuring their drug levels, disease activity scores, and conducting skin tests to assess hypersensitivity.
- Results indicated a significant link between hypersensitivity reactions (both immediate and local) and the intradermal tests in patients taking anti-TNF drugs, particularly with adalimumab and etanercept.
The Severity of Allergic Reactions in a Real-World Environment Is Independent of the Eliciting Amounts of Foods.
Allergy
January 2025
Pediatric Allergy Unit, Department of Woman, Child and Adolescent, University Hospitals of Geneva (HUG), Geneva, Switzerland.
Introduction: Patients with food allergies need personalized information on their risk of reaction in "real-life" situations. This multicentric study aimed to investigate the link during accidental reactions between the nature and amount of food allergens consumed in "real-life situation" and the severity of the symptoms.
Methods: Patients were prospectively recruited from December 1, 2020, to December 31, 2021, at the emergency departments in the Geneva University Hospitals and local pediatric emergency facilities, through an allergy outpatient clinic, at school and daycare facilities and trough their primary care physicians.
Clinical Relevance of Specific IgE in Penicillin Allergy Investigation.
Int Arch Allergy Immunol
October 2024
Allergy Clinic, Department of Dermatology and Allergy, Copenhagen University Hospital-Herlev and Gentofte, Copenhagen, Denmark.
Introduction: Patients with immediate type allergic reactions to penicillins are at risk of anaphylaxis on reexposure. Diagnostic gold standard is drug provocation test (DPT) if allergy is not diagnosed by other means, such as skin testing or in vitro testing with measurement of specific IgE. Specific IgE testing carries low risk for the patient and blood sampling can be performed in primary care, but it is reported to have low sensitivity.
View Article and Find Full Text PDFIn vitro diagnostics of drug allergies.
J Dtsch Dermatol Ges
November 2024
Research Division, Federal Institute for Drugs and Medical Devices (BfArM), Bonn, Germany.
In vitro diagnostics for drug hypersensitivity reactions distinguish between serological and cellular-based tests. A serological test used for the diagnosis of immediate type reactions is the detection of specific IgE antibodies. The cellular tests include the basophil activation test for immediate type reactions and the lymphocyte transformation test, which is mainly used to detect delayed type hypersensitivity reactions.
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