Abstract
Background The novel anti-IL-5 drug mepolizumab improves asthma outcomes in the majority but not all patients with severe eosinophilic asthma. Currently it is difficult to predict an individuals’ chance of being a responder. Early changes in patient-reported outcome measures may contribute to the prediction of long-term outcomes. Aim To compare early changes in patient-reported outcome measures after 8 weeks and long-term response to mepolizumab treatment. Method 22 severe eosinophilic asthma patients starting mepolizumab therapy in a severe asthma centre in the Netherlands were evaluated on baseline, 8 weeks and 52 weeks, collecting questionnaire scores and asthma-related parameters. Well-controlled asthma was defined as an asthma control questionnaire score ≤ 0.75. Long-term treatment response was defined as continuing mepolizumab therapy at 52 weeks. Results Nine patients (41%) had well-controlled asthma at 8 weeks and all were mepolizumab responders at 52 weeks (positive predictive value = 100%, 95%CI 66–100), versus only 5 responders out of 13 patients with not well-controlled asthma at 8 weeks (negative predictive value = 62%, 95%CI 32–86). Conclusion The results in this study suggest that patients receiving mepolizumab therapy with an ACQ-score ≤ 0.75 at 8 weeks are unlikely to need extensive monitoring, for they are very likely to be long-term responders.
Data availability
The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.
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Funding
This study was supported by funding of the Medical Centre Leeuwarden Science Fund, the Netherlands.
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J.A. Kroes Wrote manuscript, Designed Research, Performed Research, Analyzed Data. S.W. Zielhuis Wrote manuscript, Designed Research. A.N. van der Meer Wrote manuscript, Designed Research. K. de Jong Wrote manuscript, Designed Research, Analyzed Data. A. ten Brinke Wrote manuscript, Designed Research. E.N. van Roon Wrote manuscript, Designed Research.
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Mr. Kroes reports grants from Astra Zeneca, outside the submitted work. Dr. Zielhuis reports grants from Astra Zeneca, personal fees from Novartis, personal fees from GSK, personal fees from Sanofi, personal fees from Lilly, personal fees from MSD, outside the submitted work. Dr. van der Meer has nothing to disclose. Dr. de Jong has nothing to disclose. Dr. Ten Brinke reports grants, personal fees and other from GSK, grants, personal fees and other from TEVA, grants, personal fees and other from AstraZeneca, other from Sanofi, other from Boehringer Ingelheim, outside the submitted work. Dr. Van Roon has nothing to disclose.
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Kroes, J.A., Zielhuis, S.W., van der Meer, AN. et al. Patient-reported outcome measures after 8 weeks of mepolizumab treatment and long-term outcomes in patients with severe asthma: an observational study. Int J Clin Pharm 44, 570–574 (2022). https://doi.org/10.1007/s11096-021-01362-8
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DOI: https://doi.org/10.1007/s11096-021-01362-8