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Träfflista för sökning "WFRF:(Glimelius Bengt) srt2:(2010-2014)"

Sökning: WFRF:(Glimelius Bengt) > (2010-2014)

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21.
  • Byström, P., et al. (författare)
  • An explorative study on the clinical utility of baseline and serial serum tumour marker measurements in advanced upper gastrointestinal cancer
  • 2010
  • Ingår i: Oncology Reports. - : Spandidos Publications. - 1021-335X .- 1791-2431. ; 24:6, s. 1645-1652
  • Tidskriftsartikel (refereegranskat)abstract
    • The value of early tumour marker changes during palliative chemotherapy in patients with upper gastrointestinal adenocarcinoma (UGIA) is unclear. Seventy-three patients with advanced UGIA were randomised to receive 45 mg/m2 docetaxel or 180 mg/m2 irinotecan with 5-FU/leucovorin. After every 2nd course the patients were crossed over to the other regimen. Serum was sampled before start of chemotherapy and every 2nd week during 8 weeks for CEA, TPA, TPS, CA72-4, CA19-9 and CA242 measurements. Eighteen patients (25%) had partial response (PR) and 21 patients had stable disease for at least 4 months (SD4). All baseline marker levels, except CA72-4, correlated with time to progression and survival. Patients with normal levels, except CA72-4, also had more clinical responses (PR+SD4) than patients with elevated values. Tumour marker changes early during treatment provided modest predictive information for tumour response and survival. A model combining baseline level, the change and the interaction between them gave the best prediction of outcome, however, insignificantly better than baseline level for all markers except CA242. Baseline tumour marker levels provide prognostic information for patients with UGIA on palliative chemotherapy. Early changes generally failed to provide accurate information for tumour response and survival.
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22.
  • Byström, Per, et al. (författare)
  • Evaluation of predictive markers for patients with advanced colorectal cancer
  • 2012
  • Ingår i: Acta Oncologica. - 0284-186X .- 1651-226X. ; 51:7, s. 849-859
  • Tidskriftsartikel (refereegranskat)abstract
    • Background.To evaluate the predictive and prognostic value of serum and plasma tumor markers, in comparison with clinical and biomedical parameters for response rate (RR), progression-free survival (PFS) and overall survival (OS) among patients with metastatic colorectal cancer (mCRC) treated with combination chemotherapy.Material and methods.One-hundred and six patients with mCRC from three centers, part of a multicenter study, received irinotecan with the Nordic bolus 5-fluorouracil (5-FU) and folinic acid schedule (FLIRI) or the de Gramont schedule (Lv5FU2-IRI). Blood samples for CEA, CA19-9, TPA, TIMP-1, SAA, transthyretin and CRP were taken at baseline and after two, four and eight weeks of treatment. Tumor marker levels at baseline and longitudinally were compared with responses evaluated (CT/MRI) after two and four months of treatment. The correlations to RR, PFS and OS were evaluated with regression analyses.Results.A significant correlation to OS was seen for baseline levels of all markers. In multivariate analyses with clinical parameters, TPA, CRP, SAA and TIMP-1 provided independent information. The baseline values of CEA, TPA and TIMP-1 were also significantly correlated to PFS and TPA to RR. Changes during treatment, i.e. the slope gave with the exception of CA19-9 for OS less information about outcomes. The best correlation to response was seen for CEA, CA19-9 and TPA with AUC values of 0.78, 0.83 and 0.79, respectively, using a combined model based upon an interaction between the slope and the baseline value.Conclusions.Baseline tumor markers together with clinical parameters provide prognostic information about survival in patients with mCRC. The ability of the individual tumor markers to predict treatment response and PFS is limited. Changes in marker levels during the first two months of treatment are less informative of outcome.
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24.
  • Cavalli-Björkman, Nina, 1970-, et al. (författare)
  • Differences according to educational level in the management and survival of colorectal cancer in Sweden
  • 2011
  • Ingår i: European Journal of Cancer. - : Elsevier BV. - 0959-8049 .- 1879-0852. ; 47:9, s. 1398-1406
  • Tidskriftsartikel (refereegranskat)abstract
    • Socioeconomic status (SES) affects survival after a cancer diagnosis. The extent to which differences in management can explain this is not known. Record-linkage between two Swedish Regional Clinical Quality Registers of colorectal cancer and a socio-economic database generated a dataset with information on diagnostic procedures, treatment and survival in patients of different educational background. Three thousand eight hundred and ninety-nine rectal cancer patients from the years 1995 to 2006 and 5715 colon cancer patients from 1997 to 2006 were evaluated. Compared to patients with high education, those with shorter education had poorer relative and overall survival (57.9% 5-year relative survival versus 63.8% in colon cancer, 58.7% versus 69.1% in rectal cancer). There were also differences in diagnostic activity with preoperative computer tomography (40% versus 47.3%) and colonoscopy (56.3% versus 62.8%) being more frequent in highly educated groups (p = 0.001 and 0.037, respectively). Surgery resulting in colostomy was performed in 26.9% of rectal cancer patients of high education compared to 35.5% of those with low education (p = 0.005). Although rectal cancer has poorer prognosis than colon cancer, it was noted that among the highly educated, rectal cancer patients had better survival than colon cancer patients (69.1% versus 63.8% 5-year relative survival). It thus appears that improved rectal cancer management has benefited mainly patients of middle and higher educational levels. We conclude that socioeconomic differences exist in diagnostic activity and management of colorectal cancer, which may affect survival.
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25.
  • Cavalli-Björkman, Nina, 1970-, et al. (författare)
  • Equal cancer treatment regardless of education level and family support? : A qualitative study of oncologists’ decision-making
  • 2012
  • Ingår i: BMJ Open. - : BMJ. - 2044-6055. ; 2:4, s. e001248-
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: Treatment gradients by socioeconomic status have been observed within cancer care in several countries. The objective of this study was to explore whether patients' educational level and social network influence oncologists' clinical decision-making. Design: Semi-structured interviews on factors considered when deciding on treatment for cancer patients. Interviews were transcribed and analysed using inductive qualitative content analysis. Setting: Oncologists in Swedish university-and non-university hospitals were interviewed in their respective places of work. Participants: Twenty Swedish clinical oncologists selected through maximum-variation sampling. Primary and secondary outcome measures: Elements which influence oncologists' decision-making process were explored with focus on educational level and patients' social support systems. Results: Oncologists consciously used less combination chemotherapy for patients living alone, fearing treatment toxicity. Highly educated patients were considered as well-read, demanding and sometimes difficult to reason with. Patients with higher education, those very keen to have treatment and persuasive relatives were considered as challenges for the oncologist. Having large groups of relatives in a room made doctors feel outnumbered. A desire to please patients and relatives was posed as the main reason for giving in to patients' demands, even when this resulted in treatment with limited efficacy. Conclusions: Oncologists tailor treatment for patients living alone to avoid harmful side-effects. Many find patients' demands difficult to handle and this may result in strong socioeconomic groups being over-treated.
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26.
  • Cavalli-Björkman, Nina, 1970- (författare)
  • Factors Influencing Selection of Treatment for Colorectal Cancer Patients
  • 2012
  • Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
    • In Sweden and elsewhere there is evidence of poorer cancer survival for patients of low socioeconomic status (SES), and in some settings differences in treatment by SES have been shown.The aim of this thesis was to explore factors which influence cancer treatment decisions, such as knowledge reaped from clinical trials, patient-related factors, and physician-related factors. In a register study of colorectal cancer, all stages, patients were stratified for SES-factors. Differences were seen with regards to clinical investigation, surgical and oncological treatment and survival, with the highly educated group being favored. Survival was better for highly educated patients in stages I, II and III but not in stage IV.In a Scandinavian cohort of newly metastasized colorectal cancer patients, recruitment to clinical trials was studied. Patients entering clinical trials had better performance status and fewer cancer symptoms than those who were treated with chemotherapy outside of a clinical trial. Median survival was 21.3 months for trial-patients and 15.2 months for those treated with chemotherapy outside a  trial. Those not treated with chemotherapy had a median survival of just 2.1 months. Patients in clinical trials are highly selected and conclusions drawn from studies cannot be applied to all patients.In the same cohort, treatment and survival were stratified for education, smoking and indicators of social structure. Highly educated patients did not have a survival advantage. Patients who lived alone were offered less combination chemotherapy and surgery of metastases than other patients and had 4 months shorter survival than those who lived with a spouse or child. In a fourth study, 20 Swedish gastrointestinal oncologists were interviewed on which factors they considered when deciding on oncological treatment. Oncologists feared chemotherapy complications due to lack of social support, and ordered less combination chemotherapy for patients living alone. Highly educated patients were seen as well-read and demanding, and giving in to these patients’ requests for treatment was regarded as a way of pleasing patients and relatives and of avoiding conflict.
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27.
  • Cavalli-Björkman, Nina, 1970-, et al. (författare)
  • Lower treatment intensity and poorer survival in metastatic colorectal cancer patients who live alone
  • 2012
  • Ingår i: British Journal of Cancer. - : Springer Science and Business Media LLC. - 0007-0920 .- 1532-1827. ; 107:1, s. 189-194
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Socioeconomic status (SES) and social support influences cancer survival. If SES and social support affects cancer treatment has not been thoroughly explored. METHODS: A cohort consisting of all patients who were initially diagnosed with or who developed metastatic colorectal cancer (mCRC, n = 781) in three Scandinavian university hospitals from October 2003 to August 2006 was set up. Clinical and socioeconomic data were registered prospectively. RESULTS: Patients living alone more often had synchronous metastases at presentation and were less often treated with combination chemotherapy than those cohabitating (HR 0.19, 95% CI 0.04-0.85, P = 0.03). Surgical removal of metastases was less common in patients living alone (HR 0.29, 95% CI 0.10-0.86, P = 0.02) but more common among university-educated patients (HR 2.22, 95% CI 1.10-4.49, P = 0.02). Smoking, being married and having children did not influence treatment or survival. Median survival was 7.7 months in patients living alone and 11.7 months in patients living with someone (P < 0.001). Living alone remained a prognostic factor for survival after correction for age and comorbidity. CONCLUSION: Patients living alone received less combination chemotherapy and less secondary surgery. Living alone is a strong independent risk factor for poor survival in mCRC. 
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28.
  • Cerhan, James R., et al. (författare)
  • Genome-wide association study identifies multiple susceptibility loci for diffuse large B cell lymphoma
  • 2014
  • Ingår i: Nature Genetics. - : Springer Science and Business Media LLC. - 1061-4036 .- 1546-1718. ; 46:11, s. 1233-1238
  • Tidskriftsartikel (refereegranskat)abstract
    • Diffuse large B cell lymphoma (DLBCL) is the most common lymphoma subtype and is clinically aggressive. To identify genetic susceptibility loci for DLBCL, we conducted a meta-analysis of 3 new genome-wide association studies (GWAS) and 1 previous scan, totaling 3,857 cases and 7,666 controls of European ancestry, with additional genotyping of 9 promising SNPs in 1,359 cases and 4,557 controls. In our multi-stage analysis, five independent SNPs in four loci achieved genome-wide significance marked by rs116446171 at 6p25.3 (EXOC2; P = 2.33 x 10(-21)), rs2523607 at 6p21.33 (HLA-B; P = 2.40 x 10(-10)), rs79480871 at 2p23.3 (NCOA1; P = 4.23 x 10(-8)) and two independent SNPs, rs13255292 and rs4733601, at 8q24.21 (PVT1; P = 9.98 x 10(-13) and 3.63 x 10(-11), respectively). These data provide substantial new evidence for genetic susceptibility to this B cell malignancy and point to pathways involved in immune recognition and immune function in the pathogenesis of DLBCL.
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29.
  • Conde, Lucia, et al. (författare)
  • Genome-wide association study of follicular lymphoma identifies a risk locus at 6p21.32
  • 2010
  • Ingår i: Nature Genetics. - : Springer Science and Business Media LLC. - 1061-4036 .- 1546-1718. ; 42:8, s. 661-664
  • Tidskriftsartikel (refereegranskat)abstract
    • To identify susceptibility loci for non-Hodgkin lymphoma subtypes, we conducted a three-stage genome-wide association study. We identified two variants associated with follicular lymphoma at 6p21.32 (rs10484561, combined P = 1.12 x 10(-29) and rs7755224, combined P = 2.00 x 10(-19); r(2) = 1.0), supporting the idea that major histocompatibility complex genetic variation influences follicular lymphoma susceptibility. We also found confirmatory evidence of a previously reported association between chronic lymphocytic leukemia/small lymphocytic lymphoma and rs735665 (combined P = 4.24 x 10(-9)).
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30.
  • Cozen, W., et al. (författare)
  • A meta-analysis of Hodgkin lymphoma reveals 19p13.3 TCF3 as a novel susceptibility locus
  • 2014
  • Ingår i: Nature Communications. - : Springer Science and Business Media LLC. - 2041-1723. ; 5, s. 3856-
  • Tidskriftsartikel (refereegranskat)abstract
    • Recent genome-wide association studies (GWAS) of Hodgkin lymphoma (HL) have identified associations with genetic variation at both HLA and non-HLA loci; however, much of heritable HL susceptibility remains unexplained. Here we perform a meta-analysis of three HL GWAS totaling 1,816 cases and 7,877 controls followed by replication in an independent set of 1,281 cases and 3,218 controls to find novel risk loci. We identify a novel variant at 19p13.3 associated with HL (rs1860661; odds ratio (OR) = 0.81, 95% confidence interval (95% CI) = 0.76-0.86, P-combined 3.5 x 10(-10)), located in intron 2 of TCF3 (also known as E2A), a regulator of B-and T-cell lineage commitment known to be involved in HL pathogenesis. This meta-analysis also notes associations between previously published loci at 2p16, 5q31, 6p31, 8q24 and 10p14 and HL subtypes. We conclude that our data suggest a link between the 19p13.3 locus, including TCF3, and HL risk.
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