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- Title
Bisphosphonate-Induced Cutaneous Adverse Events: The Difficulty of Assessing Imputability through Patch Testing.
- Authors
Barrantes-González, Melisa; Espona-Quer, Mercè; Salas, Esther; Giménez-arnau, ana María
- Abstract
Background: Cutaneous adverse drug reactions (CADRs) due to bisphosphonates (BPs) have been scarcely described in the literature. Objective: To discuss the diagnostic value and limitations of cutaneous provocation tests with BPs. Methods: A descriptive case series study with a control group of CADRs due to BPs studied using patch testing from 2005 to 2010 is presented. Results: Patient 1 showed a positive D4++ with alendronate at 1% in petrolatum and D4+++ with alendronate at 1 and 0.1% in water. Patient 2 showed a positive intradermal test D3++ with alendronate at 0.1% in water. Patient 3 showed a positive patch test D4+ with ibandronate at 1% in petrolatum and D4++ with ibandronate at 1% in water, and a positive intradermal test D3+++ with ibandronate at 0.1% in water. Conclusion: Establishing a correct interpretation of a patch test reaction is difficult based just on cutaneous test results. Too high concentrations of the drug can cause irritation and too low concentrations can be responsible of false-negative test reactions. © 2014 S. Karger AG, Basel
- Publication
Dermatology (10188665), 2014, Vol 229, Issue 3, p163
- ISSN
1018-8665
- Publication type
Article
- DOI
10.1159/000363382