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Everolimus for the treatment of lymphangioleiomyomatosis: A phase II study

Goldberg, Hilary, Harari, Sergio, Cottin, Vincent, Rosas, Ivan, Peters, Elizabeth, Biswal, Shibadas, Cheng, Yi, Khindri, Sanjeev, Kovarik, John M., Ma, Shenglin, McCormack, Francis and Henske, Elizabeth (2015) Everolimus for the treatment of lymphangioleiomyomatosis: A phase II study. European Respiratory Journal, 46 (3). pp. 783-794. ISSN 1399-3003


Lymphangioleiomyomatosis is a rare, progressive cystic lung disorder characterised by dysregulated activation of mammalian target of rapamycin (mTOR) signalling. This was a phase IIa, multicentre, open-label study of the mTOR inhibitor everolimus (2.5 mg·day-1 escalated to 10 mg·day-1) in 24 women with lymphangioleiomyomatosis. Primary endpoints were safety, pharmacokinetics and serum vascular endothelial growth factor-D (VEGF-D) levels; secondary endpoints were measures of lung function. Following 26 weeks of everolimus treatment, forced vital capacity exhibited stability, while forced expiration volume in 1 s improved from baseline, with mean changes (95% confidence interval) of 10 mL (-111-132) and 114 mL (11-217), respectively; 6-min walk distance improved by 47 m. Median VEGF-D and collagen IV levels decreased from baseline, from 1730 pg·mL-1 to 934.5 pg·mL-1, and 103 ng·mL-1 to 80.5 ng·mL-1, respectively. Adverse events were mostly grade 1-2; mouth ulceration, headache, nausea, stomatitis and fatigue were common. Serious adverse events suspected to be treatment related included peripheral oedema, pneumonia, cardiac failure and Pneumocystis jirovecii infection. Everolimus blood levels increased dose proportionally. In this study, everolimus improved some measures of lung function and exercise capacity and reduced serum VEGF-D and collagen IV. Side effects were generally consistent with known toxicities of mTOR inhibitors, although some were severe.

Item Type: Article
Date Deposited: 14 Mar 2018 00:45
Last Modified: 25 Jan 2019 00:45


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