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. 2003 Mar-Apr;23(2C):1757-62.

Combined androgen blockade-induced anemia in prostate cancer patients without bone involvement

John Bogdanos  1 , Dimitrios Karamanolakis, Constantine Milathianakis, Panayiotis Repousis, Athanassios Tsintavis, Michael Koutsilieris
Affiliations
  • PMID: 12820454

Combined androgen blockade-induced anemia in prostate cancer patients without bone involvement

John Bogdanos et al. Anticancer Res. 2003 Mar-Apr.

Abstract

Background: To determine the onset and extent of combined androgen blockade (CAB)-induced anemia in prostate cancer patients without bone involvement.

Patients and methods: Forty-two patients with biopsy-proven prostatic adenocarcinoma [26 with stage C (T3N0M0) and 16 with stage D1 (T3N1M0)] were included in this study. All patients received CAB [leuprolide acetate (LHRH-A) 3.75 mg, intramuscularly, every 28 days plus 250 mg flutamide, tid, per Os] and were evaluated for anemia by physical examination and laboratory tests at baseline and 4 subsequent intervals (1, 2, 3 and 6 months post-CAB). Hb, PSA and Testosterone measurements were recorded. Patients with stage D2-3 disease, abnormal hemoglobin level or renal and liver function tests that were higher than the upper limits were excluded from the study. The duration of the study was six months.

Results: The mean hemoglobin (Hb) levels were significantly declined in all patients from baseline of 14.2 g/dl to 14.0 g/dl, 13.5 g/dl, 13.2 g/dl and 12.7 g/dl at 1, 2, 3 and 6 months post-CAB, respectively. Severe and clinically evident anemia of Hb < 11 g/dl with clinical symptoms was detected in 6 patients (14.3%). This CAB-induced anemia was normochromic and normocytic. At six months post-CAB, patients with severe anemia had a Hb mean value of 10.2 +/- 0.1 g/dl (X +/- SE), whereas the other patients had mild anemia with Hb mean value of 13.2 +/- 0.17 (X +/- SE). The development of severe anemia at 6 months post-CAB was predictable by the reduction of Hb baseline value of more than 2.5 g/dl after 3 months of CAB (p = 0.01). The development of severe CAB-induced anemia in prostate cancer patients did not correlate with T baseline values (T < 3 ng/ml versus T > or = 3 ng/ml), with age (< 76 yrs versus > or = 76 yrs), and clinical stage (stage C versus stage D1). Severe and clinically evident anemia was easily corrected by subcutaneous injections (3 times/week for 1 month) of recombinant erythropoietin (rHuEPO-beta).

Conclusion: Our data suggest that rHuEPO-beta correctable CAB-induced anemia occurs in 14.3% of prostate cancer patients after 6 months of therapy.

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