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- W2947215937 abstract "e16579 Background: PM’s in mCRPC accurately predict survival, but little is known about their association with QOL. We hypothesize that pre-treatment QOL is inversely correlated with PM derived scores. Our study explored associations between baseline Halabi PM derived risk score (including metastatic site, opioid use, ECOG performance status (ECOG PS), Alk phos, albumin, hemoglobin, LDH, and PSA) and multiple QOL domains at treatment initiation with docetaxel and prednisone (DP). Methods: The DP arm of MAINSAIL, a multicenter, randomized Phase 3 study of DP +/- lenalidomide in mCRPC, was analyzed via ProjectDataSphere. Halabi PM score was computed as continuous with higher score reflecting worse survival and classified as low- ( < 140 points), intermediate- (140-194.96) or high-risk groups ( > 194.96 points). QOL tests included FACT-P (higher score = better QOL), BPI-SF Severity score (BPI-SFSS; higher score = higher pain severity); and BPI-SF Interference score (BPI-SFIS, higher score = worse pain). General linear regression model was used to calculate beta estimates and 95% confidence intervals. Results: The sample included 526 mCPRC pts (median 68 years, White: 91.9%, Black: 5.3%, median PSA 75.95 ng/ml). Median [range] for FACT-P, BPI-SFSS and BPI-SFIS were 111 [0-152], 1.8 [0-9.3], and 1.4 [0-10], respectively. PM score was correlated with BPI-SFIS and BPI-SFSS and inversely correlated with FACT-P with correlation of 0.36, 0.31 and -0.33, respectively (all p < 0.0001). For each unit increase in the PM score, BPI-SFIS increased by 2.1 points), BPI-SFSS increased by 1.5 points, and FACT-P decreased by 16.4 points. Using the three-risk groups, pts in the intermediate and high-risk groups had worse FACT-P QOL and higher BPI-SFIS and BPI-SFSS than pts in the low-risk group. In multivariate analysis, factors negatively impacting FACT-P QOL, BPI-SFSS and BPI-SFIS were higher ECOG PS, visceral metastases and opioid use. Declining hemoglobin levels were associated with increased BPI-SFSS and BPS-SFIS. Conclusions: Higher PM scores are associated with a lower baseline QOL overall, higher pain and higher pain interference. These results should be validated prospectively." @default.
- W2947215937 created "2019-06-07" @default.
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- W2947215937 date "2019-05-20" @default.
- W2947215937 modified "2023-09-24" @default.
- W2947215937 title "Association of disease prognostic model (PM) with baseline quality of life (QOL) in metastatic castration resistant prostate cancer (mCRPC)." @default.
- W2947215937 doi "https://doi.org/10.1200/jco.2019.37.15_suppl.e16579" @default.
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