Recombinant alpha 2B interferon in combination with oral chemotherapy in late chronic phase chronic myeloid leukaemia

F J Giles, R Aitchison, Denise Syndercombe Court, S Schey, A C Newland

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10 Citations (Scopus)

Abstract

The place of alpha interferon (IFN) therapy in the treatment of chronic myeloid leukaemia (CML) is under intensive investigation at present. It is now established that as a single agent it can provide good disease control in the chronic phase and that cytogenetic responses will occur in a minority of patients. However its impact on long term survival has been less certain. Optimal haematological and cytogenetic results have to date been seen when IFN is used in the early phase of the disease, i.e. within one year of diagnosis. We have performed a prospective single arm study on the effect on survival of the addition of low dose IFN (9 mU/week) to conventional oral chemotherapy in patients who were at a median of 19 months from the initial diagnosis at the time of study entry. Comparison of this cohort with a control group of CML patients treated with oral chemotherapy only at the same participating institutions gave an estimated 72% reduction in the risk of death as a result of IFN therapy. Median survival for the IFN group has not been reached at 43 months compared with a median survival of 33 months for the chemotherapy alone group. These results suggest that the introduction of low dose IFN at any stage in the chronic phase may produce a worthwhile improvement in survival.
Original languageEnglish
Pages (from-to)99-102
Number of pages4
JournalLeukemia and Lymphoma
Volume7
Issue number1-2
DOIs
Publication statusPublished - 1992

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