Title

Limited chemotherapy and shrinking field radiotherapy for osteolymphoma (primary bone lymphoma): Results from the trans-Tasman radiation oncology group 99.04 and Australasian leukaemia and lymphoma group LY02 prospective trial

Date of this Version

7-1-2011

Document Type

Journal Article

Publication Details

Citation only

Christie, D., Dear, K., Le, T., Barton, M., et al. (2011). Limited chemotherapy and shrinking field radiotherapy for osteolymphoma (primary bone lymphoma): Results from the trans-Tasman radiation oncology group 99.04 and Australasian leukaemia and lymphoma group LY02 prospective trial. International Journal of Radiation: Oncology - Biology - Physics, 80 (4), 1164-1170.

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2011 HERDC submission. FoR code: 029900, 110300, 111200

© Copyright Elsevier Inc., 2011

ISSN

0360-3016

Abstract

Purpose:
To establish benchmark outcomes for combined modality treatment to be used in future prospective studies of osteolymphoma (primary bone lymphoma).

Methods and Materials:
In 1999, the Trans-Tasman Radiation Oncology Group (TROG) invited the Australasian Leukemia and Lymphoma Group (ALLG) to collaborate on a prospective study of limited chemotherapy and radiotherapy for osteolymphoma. The treatment was designed to maintain efficacy but limit the risk of subsequent pathological fractures. Patient assessment included both functional imaging and isotope bone scanning. Treatment included three cycles of CHOP chemotherapy and radiation to a dose of 45 Gy in 25 fractions using a shrinking field technique.

Results:
The trial closed because of slow accrual after 33 patients had been entered. Accrual was noted to slow down after Rituximab became readily available in Australia. After a median follow-up of 4.3 years, the five year overall survival and local control rates are estimated at 90% and 72% respectively. Three patients had fractures at presentation that persisted after treatment, one with recurrent lymphoma.

Conclusions:
Relatively high rates of survival were achieved but the number of local failures suggests that the dose of radiotherapy should remain higher than it is for other types of lymphoma. Disability after treatment due to pathological fracture was not seen.

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This document has been peer reviewed.