Intensive chemoimmunotherapy and bilateral globe irradiation as initial therapy for primary intraocular lymphoma

Chan Cheah, S Milgrom, D Chihara, DS Gombos, CC Pinnix, BS Dabaja, NH Fowler

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    Abstract

    Background. Primary intraocular lymphoma is a rare variant of primary CNS lymphoma for which the optimum treatment strategy remains unknown. Methods. We performed a retrospective single-center study including patients who underwent uniform management from October 2007 in which patients were offered sequential rituximab, methotrexate, procarbazine, and vincristine (R-MPV) followed by binocular radiotherapy and consolidative high-dose cytarabine. Results. Eleven patients with median age 66 years (range, 48-72) were included. All patients received binocular radiotherapy to a median dose of 36 Gy (range, 30.6-39.6) in 20 fractions. Grade 3+ anemia, thrombocytopenia, and neutropenia occurred in 1 (9%), 2 (18%), and 3 (27%) patients, respectively; raised creatinine and peripheral sensory neuropathy occurred in 4 (36%) and 3 (27%) patients, respectively. Grade 3+ ocular toxicities included cataract formation and keratitis in 6 (54%) and 3 (27%) patients, respectively. Ten patients (91%) achieved complete response and 1 (9%) partial response. After median follow-up of 4.2 years (range, 1.8-7.6), the median progression-free survival was 3.8 years and the estimated 4-year overall survival was 75.8% (95% CI: 30.5%-93.7%). The initial site of disease progression was the CNS in 4 of 7 patients (57%) and within the eye in 3 of 7 (43%). Five patients achieved responses to salvage therapies. Conclusions. Combined modality treatment with R-MPV, binocular radiation, and high-dose cytarabine is effective with moderate toxicity. Both local and CNS relapses occur; however, the achievement of second and subsequent remissions is possible. © The Author(s) 2015. Published by Oxford University Press on behalf of the Society for Neuro-Oncology. All rights reserved.
    Original languageEnglish
    Pages (from-to)575-581
    Number of pages7
    JournalNeuro-Oncology
    Volume18
    Issue number4
    Publication statusPublished - 2016

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    Cheah, C., Milgrom, S., Chihara, D., Gombos, DS., Pinnix, CC., Dabaja, BS., & Fowler, NH. (2016). Intensive chemoimmunotherapy and bilateral globe irradiation as initial therapy for primary intraocular lymphoma. Neuro-Oncology, 18(4), 575-581.