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Do skeletal-related occasions predict total survival in males with metastatic castration-resistant prostate most cancers?

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Do skeletal-related occasions predict total survival in males with metastatic castration-resistant prostate most cancers?

Prostate Most cancers Prostatic Dis. 2016 Dec;19(four):380-384

Authors: Howard LE, De Hoedt AM, Aronson WJ, Kane CJ, Amling CL, Cooperberg MR, Terris MK, Divers CH, Valderrama A, Freedland SJ

BACKGROUND: Skeletal-related occasions (SREs) together with pathologic fracture, spinal twine compression, radiation to bone and surgical procedure to bone, are widespread in males with bone metastatic castration-resistant prostate most cancers (mCRPC). Males with mCRPC are at excessive danger of demise. Whether or not SREs predict mortality is unclear. We examined the affiliation between SREs and total survival (OS) in a multiethnic cohort with bone mCRPC, controlling for key covariates unavailable in claims information resembling bone ache, variety of bone metastases and PSA doubling time (PSADT).
METHODS: We collected information on 233 males recognized with nonmetastatic castration-resistant prostate most cancers (CRPC) in 2000-2013 at two Veterans Affairs hospitals who later progressed to bone metastases. First prevalence of SRE and OS have been collected from the medical data. Cox fashions have been used to check the affiliation between SRE and OS, treating SRE as a time-dependent variable. We adjusted for age, yr, race, therapy middle, biopsy Gleason, major therapy to the prostate, PSA, PSADT, months from androgen deprivation remedy to CRPC, months from CRPC to metastasis and variety of bone metastases at preliminary bone metastasis analysis. In a secondary evaluation, we additionally adjusted for bone ache.
RESULTS: Throughout follow-up, 88 (38%) sufferers had an SRE and 198 (85%) died. After adjusting for danger elements, SRE was related to elevated mortality (hazard ratio (HR)=1.67; 95% confidence interval (CI) 1.22-2.30; P=zero.001). When bone ache was added to the mannequin, the affiliation of SREs and OS was attenuated, however remained vital (HR=1.42; 95% CI 1.01-1.99; P=zero.zero42).
CONCLUSIONS: SREs are related to elevated mortality in males with bone mCRPC. Additional research on the affect of stopping SREs to extend survival are warranted.

PMID: 27377207 [PubMed – indexed for MEDLINE]

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