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Sökning: WFRF:(Adami Hans Olov) > (2010-2014) > Linköpings universitet

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1.
  • Bill-Axelson, Anna, et al. (författare)
  • Radical Prostatectomy or Watchful Waiting in Early Prostate Cancer
  • 2014
  • Ingår i: New England Journal of Medicine. - Waltham : Massachusetts Medical Society. - 0028-4793 .- 1533-4406. ; 370:10, s. 932-942
  • Tidskriftsartikel (refereegranskat)abstract
    • BackgroundRadical prostatectomy reduces mortality among men with localized prostate cancer; however, important questions regarding long-term benefit remain. MethodsBetween 1989 and 1999, we randomly assigned 695 men with early prostate cancer to watchful waiting or radical prostatectomy and followed them through the end of 2012. The primary end points in the Scandinavian Prostate Cancer Group Study Number 4 (SPCG-4) were death from any cause, death from prostate cancer, and the risk of metastases. Secondary end points included the initiation of androgen-deprivation therapy. ResultsDuring 23.2 years of follow-up, 200 of 347 men in the surgery group and 247 of the 348 men in the watchful-waiting group died. Of the deaths, 63 in the surgery group and 99 in the watchful-waiting group were due to prostate cancer; the relative risk was 0.56 (95% confidence interval [CI], 0.41 to 0.77; P=0.001), and the absolute difference was 11.0 percentage points (95% CI, 4.5 to 17.5). The number needed to treat to prevent one death was 8. One man died after surgery in the radical-prostatectomy group. Androgen-deprivation therapy was used in fewer patients who underwent prostatectomy (a difference of 25.0 percentage points; 95% CI, 17.7 to 32.3). The benefit of surgery with respect to death from prostate cancer was largest in men younger than 65 years of age (relative risk, 0.45) and in those with intermediate-risk prostate cancer (relative risk, 0.38). However, radical prostatectomy was associated with a reduced risk of metastases among older men (relative risk, 0.68; P=0.04). ConclusionsExtended follow-up confirmed a substantial reduction in mortality after radical prostatectomy; the number needed to treat to prevent one death continued to decrease when the treatment was modified according to age at diagnosis and tumor risk. A large proportion of long-term survivors in the watchful-waiting group have not required any palliative treatment. (Funded by the Swedish Cancer Society and others.) The randomized Swedish trial of prostatectomy versus watchful waiting in disease detected mainly clinically (not by PSA screening) continues to show a benefit for early prostatectomy. The number of men younger than 65 needed to treat to prevent one death is now four. The Scandinavian Prostate Cancer Group Study Number 4 (SPCG-4), a randomized trial of radical prostatectomy versus watchful waiting in men with localized prostate cancer diagnosed before the era of prostate-specific antigen (PSA) testing, showed a survival benefit of radical prostatectomy as compared with observation at 15 years of follow-up.(1) By contrast, the Prostate Cancer Intervention versus Observation Trial (PIVOT), initiated in the early era of PSA testing, showed that radical prostatectomy did not significantly reduce prostate cancer-specific or overall mortality after 12 years.(2) PSA screening profoundly changes the clinical domain of study. Among other considerations, the substantial additional lead time ...
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2.
  • Bill-Axelson, Anna, et al. (författare)
  • Radical prostatectomy versus watchful waiting in early prostate cancer.
  • 2011
  • Ingår i: The New England journal of medicine. - : Massachussetts Medical Society. - 1533-4406 .- 0028-4793. ; 364:18, s. 1708-17
  • Forskningsöversikt (refereegranskat)abstract
    • In 2008, we reported that radical prostatectomy, as compared with watchful waiting, reduces the rate of death from prostate cancer. After an additional 3 years of follow-up, we now report estimated 15-year results.
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3.
  • Andersson, Swen-Olof, et al. (författare)
  • Managing localized prostate cancer by radical prostatectomy or watchful waiting: Cost analysis of a randomized trial (SPCG-4)
  • 2011
  • Ingår i: SCANDINAVIAN JOURNAL OF UROLOGY AND NEPHROLOGY. - : Informa Healthcare. - 0036-5599 .- 1651-2065. ; 45:3, s. 177-183
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective. The cost of radical prostatectomy (RP) compared to watchful waiting (WW) has never been estimated in a randomized trial. The goal of this study was to estimate long-term total costs per patient associated with RP and WW arising from inpatient and outpatient hospital care. Material and methods. This investigation used the Scandinavian Prostate Cancer Group Study Number 4 (SPCG-4) trial, comparing RP to WW, and included data from 212 participants living in two counties in Sweden from 1989 to 1999 (105 randomized to WW and 107 to RP). All costs were included from randomization date until death or end of follow-up in July 2007. Resource use arising from inpatient and outpatient hospital costs was measured in physical units and multiplied by a unit cost to come up with a total cost per patient. Results. During a median follow-up of 12 years, the overall cost in the RP group was 34% higher (p andlt; 0.01) than in the WW group, corresponding to euroa,not sign6123 in Sweden. The difference was driven almost exclusively by the cost of the surgical procedure. The cost difference between RP and WW was two times higher among men with low (2--6) than among those with high (7--10) Gleason score. Conclusion. In this economic evaluation of RP versus WW of localized prostate cancer in a randomized study, RP was associated with 34% higher costs. This difference, attributed exclusively to the cost of the RP procedure, was not overcome during extended follow-up.
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4.
  • Couto, Elisabeth, et al. (författare)
  • Mediterranean Dietary Pattern and Risk of Breast Cancer
  • 2013
  • Ingår i: PLOS ONE. - : Public Library of Science. - 1932-6203. ; 8:2
  • Tidskriftsartikel (refereegranskat)abstract
    • BackgroundA Mediterranean diet has a recognized beneficial effect on health and longevity, with a protective influence on several cancers. However, its association with breast cancer risk remains unclear.ObjectiveWe aimed to investigate whether adherence to a Mediterranean dietary pattern influences breast cancer risk.DesignThe Swedish Women’s Lifestyle and Health cohort study includes 49,258 women aged 30 to 49 years at recruitment in 1991–1992. Consumption of foods and beverages was measured at enrollment using a food frequency questionnaire. A Mediterranean diet score was constructed based on the consumption of alcohol, vegetables, fruits, legumes, cereals, fish, the ratio of unsaturated to saturated fat, and dairy and meat products. Relative risks (RR) for breast cancer and specific tumor characteristics (invasiveness, histological type, estrogen/progesterone receptor status, malignancy grade and stage) associated with this score were estimated using Cox regression controlling for potential confounders.Results1,278 incident breast cancers were diagnosed. Adherence to a Mediterranean dietary pattern was not statistically significantly associated with reduced risk of breast cancer overall, or with specific breast tumor characteristics. A RR (95% confidence interval) for breast cancer associated with a two-point increment in the Mediterranean diet score was 1.08 (1.00–1.15) in all women, and 1.10 (1.01–1.21) and 1.02 (0.91–1.15) in premenopausal and postmenopausal women, respectively. When alcohol was excluded from the Mediterranean diet score, results became not statistically significant.ConclusionsAdherence to a Mediterranean dietary pattern did not decrease breast cancer risk in this cohort of relatively young women.
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6.
  • Lagiou, Pagona, et al. (författare)
  • Low carbohydrate-high protein diet and incidence of cardiovascular diseases in Swedish women: prospective cohort study
  • 2012
  • Ingår i: The BMJ. - : B M J PUBLISHING GROUP. - 1756-1833. ; 344
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective To study the long term consequences of low carbohydrate diets, generally characterised by concomitant increases in protein intake, on cardiovascular health. Design Prospective cohort study. Setting Uppsala, Sweden. Participants From a random population sample, 43 396 Swedish women, aged 30-49 years at baseline, completed an extensive dietary questionnaire and were followed-up for an average of 15.7 years. Main outcome measures Association of incident cardiovascular diseases (ascertained by linkage with nationwide registries), overall and by diagnostic category, with decreasing carbohydrate intake (in tenths), increasing protein intake (in tenths), and an additive combination of these variables (low carbohydrate-high protein score, from 2 to 20), adjusted for intake of energy, intake of saturated and unsaturated fat, and several non-dietary variables. Results A one tenth decrease in carbohydrate intake or increase in protein intake or a 2 unit increase in the low carbohydrate-high protein score were all statistically significantly associated with increasing incidence of cardiovascular disease overall (n=1270)-incidence rate ratio estimates 1.04 (95% confidence interval 1.00 to 1.08), 1.04 (1.02 to 1.06), and 1.05 (1.02 to 1.08). No heterogeneity existed in the association of any of these scores with the five studied cardiovascular outcomes: ischaemic heart disease (n=703), ischaemic stroke (n=294), haemorrhagic stroke (n=70), subarachnoid haemorrhage (n=121), and peripheral arterial disease (n=82). Conclusions Low carbohydrate-high protein diets, used on a regular basis and without consideration of the nature of carbohydrates or the source of proteins, are associated with increased risk of cardiovascular disease.
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7.
  • Sboner, Andrea, et al. (författare)
  • Molecular sampling of prostate cancer: a dilemma for predicting disease progression
  • 2010
  • Ingår i: BMC Medical Genomics. - London, United Kingdom : BioMed Central. - 1755-8794. ; 3:8
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Current prostate cancer prognostic models are based on pre-treatment prostate specific antigen (PSA) levels, biopsy Gleason score, and clinical staging but in practice are inadequate to accurately predict disease progression. Hence, we sought to develop a molecular panel for prostate cancer progression by reasoning that molecular profiles might further improve current clinical models. Methods: We analyzed a Swedish Watchful Waiting cohort with up to 30 years of clinical follow up using a novel method for gene expression profiling. This cDNA-mediated annealing, selection, ligation, and extension (DASL) method enabled the use of formalin-fixed paraffin-embedded transurethral resection of prostate (TURP) samples taken at the time of the initial diagnosis. We determined the expression profiles of 6100 genes for 281 men divided in two extreme groups: men who died of prostate cancer and men who survived more than 10 years without metastases (lethals and indolents, respectively). Several statistical and machine learning models using clinical and molecular features were evaluated for their ability to distinguish lethal from indolent cases. Results: Surprisingly, none of the predictive models using molecular profiles significantly improved over models using clinical variables only. Additional computational analysis confirmed that molecular heterogeneity within both the lethal and indolent classes is widespread in prostate cancer as compared to other types of tumors. Conclusions: The determination of the molecularly dominant tumor nodule may be limited by sampling at time of initial diagnosis, may not be present at time of initial diagnosis, or may occur as the disease progresses making the development of molecular biomarkers for prostate cancer progression challenging.
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8.
  • Yang, Ling, et al. (författare)
  • Prospective Study of UV Exposure and Cancer Incidence Among Swedish Women
  • 2011
  • Ingår i: Cancer Epidemiology, Biomarkers and Prevention. - : American Association for Cancer Research Inc. - 1055-9965 .- 1538-7755. ; 20:7, s. 1358-1367
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Except for skin melanoma and nonmelanoma skin cancer, little evidence from prospective studies is available on the association between UV exposure and cancer risk. Methods: We followed prospectively 49,261 women aged 30 to 49 years at enrollment in 1991 to 1992 for 15 years. Cancer incidence was analyzed by fitting Cox models, and estimating hazard ratios (HR) and 95% confidence intervals (CI). Results: 2,303 incident cases of cancer were diagnosed (breast: 1,053, ovary: 126, lung: 116, colon-rectum: 133, and brain: 116). No associations were found between any cumulative measure of UV exposure at ages 10 to 39 years and overall cancer risk. However, spending greater than= 1 week/year between ages 10 and 29 years on sunbathing vacations led to an inverse association with overall cancer risk (HR: 0.70, 95% CI: 0.53-0.93) and breast cancer risk (HR: 0.56, 95% CI: 0.36-0.89) when compared with women who never went on such vacations. Solarium use was inversely associated with breast cancer risk, whereas greater than= 2 sunburns/year was inversely associated with lung cancer risk. No other associations were found between sun exposure or solarium use at ages 10 to 39 years and cancer risk. Conclusion: We found no evidence of an association between any cumulative measure of UV exposure at ages 10 to 39 years and overall cancer risk. UV exposure earlier in life was related to reduced overall and breast cancer risk. Impact: Further research is needed to define the amount of solar or artificial UV exposure that may, or may not, be beneficial for cancer prevention.
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