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Sökning: WFRF:(Tammela TL)

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1.
  • Andriole, Gerald L, et al. (författare)
  • Effect of dutasteride on the risk of prostate cancer.
  • 2010
  • Ingår i: The New England journal of medicine. - 1533-4406. ; 362:13, s. 1192-202
  • Tidskriftsartikel (refereegranskat)abstract
    • We conducted a study to determine whether dutasteride reduces the risk of incident prostate cancer, as detected on biopsy, among men who are at increased risk for the disease.
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2.
  • FitzGerald, L. M., et al. (författare)
  • Germline variants in IL4, MGMT and AKT1 are associated with prostate cancer-specific mortality : an analysis of 12,082 prostate cancer cases
  • 2018
  • Ingår i: Prostate Cancer and Prostatic Diseases. - : Nature Publishing Group. - 1365-7852 .- 1476-5608. ; 21:2, s. 228-237
  • Tidskriftsartikel (refereegranskat)abstract
    • Background Prostate cancer (PCa) is a leading cause of mortality and genetic factors can influence tumour aggressiveness. Several germline variants have been associated with PCa-specific mortality (PCSM), but further replication evidence is needed. Methods Twenty-two previously identified PCSM-associated genetic variants were genotyped in seven PCa cohorts (12,082 patients; 1544 PCa deaths). For each cohort, Cox proportional hazards models were used to calculate hazard ratios and 95% confidence intervals for risk of PCSM associated with each variant. Data were then combined using a meta-analysis approach. Results Fifteen SNPs were associated with PCSM in at least one of the seven cohorts. In the meta-analysis, after adjustment for clinicopathological factors, variants in the MGMT (rs2308327; HR 0.90; p-value = 3.5 x 10(-2)) and IL4 (rs2070874; HR 1.22; p-value = 1.1 x 10(-3)) genes were confirmed to be associated with risk of PCSM. In analyses limited to men diagnosed with local or regional stage disease, a variant in AKT1, rs2494750, was also confirmed to be associated with PCSM risk (HR 0.81; p-value = 3.6 x 10(-2)). Conclusions This meta-analysis confirms the association of three genetic variants with risk of PCSM, providing further evidence that genetic background plays a role in PCa-specific survival. While these variants alone are not sufficient as prognostic biomarkers, these results may provide insights into the biological pathways modulating tumour aggressiveness.
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  • Kar, Siddhartha P., et al. (författare)
  • Genome-Wide Meta-Analyses of Breast, Ovarian, and Prostate Cancer Association Studies Identify Multiple New Susceptibility Loci Shared by at Least Two Cancer Types
  • 2016
  • Ingår i: Cancer Discovery. - : AMER ASSOC CANCER RESEARCH. - 2159-8274 .- 2159-8290. ; 6:9, s. 1052-1067
  • Tidskriftsartikel (refereegranskat)abstract
    • Breast, ovarian, and prostate cancers are hormone-related and may have a shared genetic basis, but this has not been investigated systematically by genome-wide association (GWA) studies. Meta-analyses combining the largest GWA meta-analysis data sets for these cancers totaling 112,349 cases and 116,421 controls of European ancestry, all together and in pairs, identified at P < 10 -8 seven new cross-cancer loci: three associated with susceptibility to all three cancers (rs17041869/2q13/BCL2L11; rs7937840/11q12/INCENP; rs1469713/19p13/GATAD2A), two breast and ovarian cancer risk loci (rs200182588/9q31/SMC2; rs8037137/15q26/RCCD1), and two breast and prostate cancer risk loci (rs5013329/1p34/NSUN4; rs9375701/6q23/L3MBTL3). Index variants in five additional regions previously associated with only one cancer also showed clear association with a second cancer type. Cell-type-specific expression quantitative trait locus and enhancer-gene interaction annotations suggested target genes with potential cross-cancer roles at the new loci. Pathway analysis revealed significant enrichment of death receptor signaling genes near loci with P < 10(-5) in the three-cancer meta-analysis. SIGNIFICANCE: We demonstrate that combining large-scale GWA meta-analysis findings across cancer types can identify completely new risk loci common to breast, ovarian, and prostate cancers. We show that the identification of such cross-cancer risk loci has the potential to shed new light on the shared biology underlying these hormone-related cancers. (C) 2016 AACR.
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7.
  • Tyrell, CJ, et al. (författare)
  • Prophylactic breast irradiation with a single dose of electron beam radiotherapy (10 Gy) significantly reduces the incidence of bicalutamide-induced gynecomastia.
  • 2004
  • Ingår i: Int J Radiat Oncol Biol Phys. ; 60:2, s. 476-483
  • Tidskriftsartikel (refereegranskat)abstract
    • Purpose To evaluate the efficacy and tolerability of prophylactic breast irradiation in reducing the incidence and severity of bicalutamide-induced gynecomastia and breast pain. Methods and materials In all, 106 men with prostate cancer (T1b–T4/Nx/M0) and no current gynecomastia/breast pain were enrolled in this randomized, sham-controlled, double-blind, parallel-group multicenter trial. Patients received either a single dose of electron beam radiotherapy (10 Gy) or sham radiotherapy. Bicalutamide (Casodex) 150 mg/day was administered for 12 months from the day of radiotherapy. Every 3 months, patients underwent physical examination and questioning about gynecomastia and breast pain. Results The incidence of investigator-assessed gynecomastia was significantly lower with radiotherapy vs. sham radiotherapy (52% vs. 85%; odds ratio [OR], 0.13; 95% confidence interval [CI], 0.04, 0.38; p < 0.001); direct questioning showed similar results. Fewer radiotherapy patients had ≥5 cm gynecomastia (measured by calipers; 11.5% vs. 50.0% for sham radiotherapy), and fewer cases were moderate-to-severe in intensity (21% vs. 48%). Similar proportions of radiotherapy and sham radiotherapy patients experienced breast pain (83% vs. 91%; OR, 0.25; 95% CI, 0.05, 1.27; p = 0.221); patients receiving radiotherapy experienced some reduction in its severity (OR, 0.44; 95% CI, 0.20, 0.97; p = 0.0429). Conclusions Prophylactic breast irradiation is an effective and well-tolerated strategy for prevention of bicalutamide-induced gynecomastia.
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