Abstract
Phase I study was conducted to evaluate the safety, pharmacokinetics (PK) and efficacy of the oral mammalian target of rapamycin inhibitor, everolimus (RAD001), in patients with relapsed or refractory non-Hodgkin lymphoma (NHL). Patients received everolimus 5 or 10 mg orally once daily. Dose escalation was based on the safety assessment and the probability of dose-limiting toxicities (DLTs) using a Bayesian logistic model. DLTs were evaluated in six patients at each dose level during the initial 28 days of study treatment. A total of 13 patients were enrolled; 5 mg (seven) and 10 mg (six). No DLTs were observed at either dose level. Frequently observed potentially drug-related adverse events included leukopenia (8/13), thrombocytopenia (8/13), elevated hepatic transaminase (9/13), stomatitis (7/13), anemia (6/13), and nasopharyngitis (6/13). All adverse events were reversible. Non-infectious pneumonitis (grade 1) in one patient resolved following discontinuation of everolimus. Two patients with diffuse large B cell lymphoma and two patients with follicular lymphomas achieved objective responses with an overall response rate of 31% (4/13). The pharmacokinetic profiles were not different from those in non-Japanese patients. Everolimus was well tolerated at doses up to 10 mg/day and showed potential efficacy in relapsed or refractory NHL, warranting further investigation.
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Acknowledgments
The authors thank the patients, doctors, nurses, and staff members who participated in this clinical trial for their excellent cooperation. They also thank K. Hatake, MD (Cancer Institute Hospital of Japanese Foundation for Cancer Research), H. Minami, MD (Kobe University), and N. Usui, MD (Jikei University) as members of the Independent Data Safety and Monitoring Committee, and M. Itoh and K. Kurei (Novartis Pharma K.K.). This study was supported by Novartis Pharmaceuticals Corporation. We thank Scientific Connexions for providing assistance with medical writing and editing. These services were funded by Novartis Pharmaceutical Corporation.
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Tobinai, K., Ogura, M., Maruyama, D. et al. Phase I study of the oral mammalian target of rapamycin inhibitor everolimus (RAD001) in Japanese patients with relapsed or refractory non-Hodgkin lymphoma. Int J Hematol 92, 563–570 (2010). https://doi.org/10.1007/s12185-010-0707-5
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DOI: https://doi.org/10.1007/s12185-010-0707-5