4.3 Article

Anti-interleukin 5 therapies failure criteria in severe asthma: a Delphi-consensus study

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Publisher

SAGE PUBLICATIONS LTD
DOI: 10.1177/17534666211049735

Keywords

anti-interleukin 5; anti-interleukin 5 receptor; failure; severe asthma

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This study achieved an expert consensus in defining failure criteria for anti-interleukin 5/R treatment in severe asthma patients. The study proposed objective criteria for treatment failure and provided guidelines for prescription, evaluation, and discontinuation decision-making. These criteria and guidelines can help physicians tailor treatment plans more effectively for severe asthma patients.
Background: Current practices for assessing response to anti-interleukin 5/R treatment in severe asthma patients are heterogeneous. The objective of this study was to achieve an expert consensus defining failure criteria for anti-interleukin 5/R treatment in severe asthma patients. Methods: Experts were invited to a 5-round Delphi exercise if they were pulmonologists managing > 30 patients at a nationally recognized severe asthma expert centre. Following two rounds of statement-generating brainstorming, the expert panel ranked each statement according to a 5-point Likert-type scale during three additional rounds. Positive consensus was considered achieved when > 80% of experts agreed with a statement with >50% strong agreement and Results: Twenty experts participated in the study. All experts agreed that predefined treatment goals defining effectiveness should be personalized during shared decision making via a patient contract. Treatment failure was defined as (1) absence of a reduction in exacerbation rates by > 25% or (2) absence of a reduction in oral corticosteroid therapy by > 25% of the initial dosage or (3) occurrence of emergency room visits or hospitalizations after 6 months of treatment. Treatment failure should result in discontinuation. For partial responders, treatment discontinuation was not recommended unless an alternative from another therapeutic class exists and should be discussed in a multidisciplinary consultation. Conclusion: The present study provides objective criteria for anti IL5 or IL5R failure in severe asthma and suggests consensus based guidelines for prescription, evaluation and discontinuation decision-making.

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