The effects of glucocorticoid therapy on glucocorticoid receptors in leukemia and lymphoma

G. F. Shipman, C. D. Bloomfield, K. A. Smith, B. A. Peterson, A. Munck

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Measurement of glucocorticoid receptors appears to be useful for selecting which patients with leukemia and lymphoma should receive glucocorticoid therapy. To determine the effect of recent or concurrent glucocorticoid therapy on the number of measured tumor glucocorticoid receptor sites, 18 patients with leukemia and lymphoma were studied. Baseline determinations of numbers of glucocorticoid receptors were performed on the malignant cells circulating in the patients' peripheral blood. Glucocorticoid therapy was then instituted consisting of dexamethasone 4 mg p.o. every 6 hr. Repeat determinations of the number of glucocorticoid receptor sites were performed within 24 hr and at various subsequent times from the start of therapy. When compared to baseline receptor numbers, 16 of the 18 patients demonstrated a decrease in receptor number (median decrease 1651 sites/cell) after the start of glucocorticoid therapy. The magnitude of the change in the receptor number was independent of the initial number of receptors. Our results suggest that in order to accurately interpret glucocorticoid receptor numbers in patients with leukemia and lymphoma, glucocorticoid should not be administered for 3 wk prior to determinations of receptor levels.

Original languageEnglish (US)
Pages (from-to)1198-1202
Number of pages5
JournalUnknown Journal
Volume58
Issue number6
DOIs
StatePublished - 1981

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