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Hypersensitivity reactions to arylpropionic acid derivatives: different drugs inducing different response patterns
  • +6
  • Inmaculada Doña,
  • Natalia Pérez-Sánchez,
  • Rocío Saénz de Santa María,
  • Rocio Casas-Saucedo,
  • Joan Bartra,
  • Ana Rosado,
  • Francisco Feo-Brito,
  • José Antonio Cornejo-García,
  • María José Torres
Inmaculada Doña
Hospital Regional Universitario de Málaga

Corresponding Author:inmadd@hotmail.com

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Natalia Pérez-Sánchez
Malaga Regional University Hospital-IBIMA, UMA
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Rocío Saénz de Santa María
Hospital Regional Universitario de Málaga
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Rocio Casas-Saucedo
Fundacio Clinic per a la Recerca Biomedica
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Joan Bartra
Hospital Clínic de Barcelona
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Ana Rosado
Fundación Hospital Alcorcón
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Francisco Feo-Brito
General Hospital
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José Antonio Cornejo-García
Malaga Regional University Hospital-IBIMA, UMA
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María José Torres
Universidad de Málaga Facultad de Medicina
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Abstract

Background: Although ibuprofen and other arylpropionic acid derivatives (APs) are among the non-steroidal anti-inflammatory drugs (NSAIDs) most consumed worldwide at all age ranges, little is known about hypersensitivity to this group of drugs. Our aim was to characterise in detail patients reporting hypersensitivity reactions induced by APs. Methods: We prospectively evaluated patients with symptoms suggestive of hypersensitivity to APs and analysed their clinical characteristics, the reported reactions, and the diagnosis approach. Results: A total of 662 patients confirmed as hypersensitive to APs were included: 489 as cross-reactive (CR) hypersensitivity type (73.86%) and 173 as selective responders (26.13%) (SR). The percentage of subjects reporting reactions induced by ibuprofen and dexketoprofen was higher in CRs (p=0.005 and p=0.01, respectively), whereas reactions induced by naproxen and ketoprofen were more frequent in SRs (p=0.0002 and p=0.00001, respectively). The most frequent symptoms induced by ibuprofen, dexketoprofen, and naproxen were isolated angioedema and urticaria combined or not with angioedema in both NIUA and SNIUAA. NPT-LASA was positive in 156 cases (77.14% of NERD and 68.18% of blended) and DPT to ASA was needed in 246 (50.3%) CR patients. In 28 SR cases (25 SNIUAA and 3 SNIDR), DPT with the culprit AP was required. Conclusions: Skin is the most common organ involved in hypersensitivity to APs, in both CR and SR, with ibuprofen and dexketoprofen inducing most frequently CRs, and naproxen and ketoprofen SRs. More studies are needed to clarify the underlying mechanism in DHR induced by APs.