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. 2005 Sep 19;93(6):633-8.
doi: 10.1038/sj.bjc.6602767.

Predictive factors for skeletal complications in hormone-refractory prostate cancer patients with metastatic bone disease

A Berruti  1 , M Tucci, A Mosca, R Tarabuzzi, G Gorzegno, C Terrone, F Vana, G Lamanna, M Tampellini, F Porpiglia, A Angeli, R M Scarpa, L Dogliotti
Affiliations

Predictive factors for skeletal complications in hormone-refractory prostate cancer patients with metastatic bone disease

A Berruti et al. Br J Cancer. .

Abstract

Factors predictive of skeletal-related events (SREs) in bone metastatic prostate cancer patients with hormone-refractory disease were investigated. We evaluated the frequency of SREs in 200 hormone-refractory patients consecutively observed at our Institution and followed until death or the last follow-up. Baseline parameters were evaluated in univariate and multivariate analysis as potential predictive factors of SREs. Skeletal-related events were observed in 86 patients (43.0%), 10 of which (5.0%) occurred before the onset of hormone-refractory disease. In univariate analysis, patient performance status (P=0.002), disease extent (DE) in bone (P=0.0001), bone pain (P=0.0001), serum alkaline phosphatase (P=0.0001) and urinary N-telopeptide of type one collagen (P=0.0001) directly correlated with a greater risk to develop SREs, whereas Gleason score at diagnosis, serum PSA, Hb, serum albumin, serum calcium, types of bone lesions and duration of androgen deprivation therapy did not. Both DE in bone (hazard ratio (HR): 1.16, 95% confidence interval (CI): 1.07-1.25, P=0.000) and pain score (HR: 1.13, 95% CI: 1.06-1.20, P=0.000) were independent variables predicting for the onset of SREs in multivariate analysis. In patients with heavy tumour load in bone and great bone pain, the percentage of SREs was almost twice as high as (26 vs 52%, P<0.02) and occurred significantly earlier (P=0.000) than SREs in patients with limited DE in bone and low pain. Bone pain and DE in bone independently predict the occurrence of SREs in bone metastatic prostate cancer patients with hormone-refractory disease. These findings could help physicians in tailoring the skeletal follow-up most appropriate to individual patients and may prove useful for stratifying patients enrolled in bisphosphonate clinical trials.

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Figures

Figure 1
Figure 1
Time to the onset of SRE in patients with low pain and limited disease extent in bone (Pain−/DE−) (formula image) vs patients with great bone pain and heavy tumour load in bone (Pain+/DE+) (formula image), vs patients with either of these two predictors (formula image).
See this image and copyright information in PMC

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