Background: The most common cystic fibrosis (CF)-causing mutation is deltaF508 (F508del), which is present in 28% of CF Spanish patients. While the literature based on real-life studies on CF patients homozygous F508del treated with lumacaftor/ivacaftor is limited, it demonstrates the need for better strategies to prevent related adverse events (AEs) as well as the development of newer drugs. Methods: We conducted a multicenter, retrospective, observational study to describe the effects of lumacaftor/ivacaftor treatment in real-life in Spain. 20 CF patients were included, all aged 6 and upwards and presented with ppFEV1 < 40%, chosen from CF units country-wide. For the purposes of the study, they were treated with lumacaftor/ivacaftor 200/125 mg two tablets twice a day on a compassionate use programme throughout 2016. The primary endpoint was measured in all of the sample patients. Data were analysed from ppFEV1 at baseline and was measured every 6 months. Results: The mean age was 26.65 (range of 10–45), while the mean ppFEV1 before the treatment was 32.4% and mean BMI was 19.9 kg/m2. We analysed the changes in ppFEV1 and BMI from baseline during the treatment with lumacaftor/ivacaftor, but no differences were found. However, a moderate association between days of intravenous antibiotic needed and the use of lumacaftor/ivacaftor (p = 0.001) was established. Indeed, under the lumacaftor/ivacaftor, patients required 5.8 days of intravenous antibiotic treatment compared to 14.9 days prior to study. Also, severe pulmonary exacerbations requiring hospitalisation were statistically fewer under lumacaftor/ivacaftor treatment (p = 0.003). Finally, 75% of the sample presented with AEs, which led 35% of the subjects to discontinue the treatment. Conclusions: While treatment with lumacaftor/ivacaftor resulted in an improvement in the number of pulmonary severe exacerbations, no improvement in ppFEV1 or BMI was found.
CITATION STYLE
Diab-Cáceres, L., Girón-Moreno, R. M., Pastor-Sanz, M. T., Quintana-Gallego, E., Delgado-Pecellín, I., Blanco-Aparicio, M., … Gómez-de-Terreros-Caro, F. J. (2018). Compassionate Use of Lumacaftor/Ivacaftor in Cystic Fibrosis: Spanish Experience. Archivos de Bronconeumologia, 54(12), 614–618. https://doi.org/10.1016/j.arbr.2018.05.020
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