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Sökning: WFRF:(Leinonen Maarit)

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  • Bjørge, Tone, et al. (författare)
  • Reproductive history and risk of colorectal adenocarcinoma in parous women a Nordic population-based case-control study
  • 2016
  • Ingår i: British Journal of Cancer. - 0007-0920 .- 1532-1827. ; 115:11, s. 1416-1420
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>Background: Data are conflicting regarding the role of endogenous sex hormones in colorectal carcinogenesis. In this large population-based study, we pooled data from birth and cancer registries in four Nordic countries, to evaluate the risk of colorectal adenocarcinoma in relation to women's reproductive history. Methods: We conducted a population-based case-control study among women registered in Nordic birth registries. The study included colorectal adenocarcinoma cases diagnosed in Denmark, Finland, Norway, and Sweden during 1967-2013 and up to 10 matched controls per case, in total 22 185 cases and 220 246 controls. Odds ratios (ORs) with 95% confidence intervals (95% CIs) were derived from conditional logistic regression models. We had limited information available on possible confounders. Results: We found no evidence for associations between colorectal adenocarcinoma and parity, age at first and last birth, and time since first and last birth. The risk estimates were also close to unity for specific cancer subsites (proximal and distal colon and rectum). As well, when the analyses were stratified on menopausal status, parity, and mother's year of birth, no indication of associations was found. Conclusions: In this large, Nordic population-based study, no evidence for associations was found between women's reproductive history and colorectal adenocarcinoma in parous women.</p>
  • Bröms, Gabriella, et al. (författare)
  • Paediatric infections in the first 3 years of life after maternal anti-TNF treatment during pregnancy
  • 2020
  • Ingår i: Alimentary Pharmacology and Therapeutics. - John Wiley & Sons. - 0269-2813 .- 1365-2036.
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>Background: Most anti‐tumour necrosis factor (anti‐TNF) agents are transferred across the placenta and may increase paediatric susceptibility to infections.</p><p>Aims: To assess the risk of paediatric infections after maternal anti‐TNF treatment.</p><p>Methods: Population‐based cohort study in Denmark, Finland and Sweden 2006‐2013 in which 1027 children born to women with rheumatoid arthritis, psoriasis, psoriatic arthritis, ankylosing spondylitis or inflammatory bowel disease, treated with anti‐TNF, and 9346 children to women with nonbiologic systemic treatment, were compared to 1 617 886 children of the general population. Children were followed for 3 years.</p><p>Results: Adjusted by maternal age, parity, smoking, body mass index, country and calendar year, the incidence rate ratios with 95% confidence interval (CI) for hospital admissions for infection in the first year were 1.43 (1.23‐1.67) for anti‐TNF and 1.14 (1.07‐1.21) for non‐biologic systemic treatment, and 1.29 (1.11‐1.50) and 1.09 (1.02‐1.15), respectively, when additionally adjusting for adverse birth outcomes. There was a slight increase in antibiotic prescriptions in the second year for anti‐TNF, 1.19 (1.11‐1.29), and for non‐biologic systemic treatment, 1.10 (1.07‐1.13). There was no difference among anti‐TNF agents, treatment in the third trimester, or between mono/combination therapy with non‐biologic systemic treatment.</p><p>Conclusions: Both anti‐TNF and non‐biologic systemic treatment were associated with an increased risk of paediatric infections. However, reassuringly, the increased risks were present regardless of treatment in the third trimester, with combination of treatments, and were not persistent across the first 3 years of life. Our findings may indicate a true risk, but could also be due to unadjusted confounding by disease severity and healthcare‐seeking behaviour. This may in turn shift the risk‐benefit equation towards continuation of treatment even in the third trimester.</p>
  • Joensuu, Heikki, et al. (författare)
  • One vs Three Years of Adjuvant Imatinib for Operable Gastrointestinal Stromal Tumor : A Randomized Trial
  • 2012
  • Ingår i: JAMA: The Journal of the American Medical Association. - American Medical Association. - 1538-3598. ; 307:12, s. 1265-1272
  • Tidskriftsartikel (refereegranskat)abstract
    • Context Adjuvant imatinib administered for 12 months after surgery has improved recurrence-free survival (RFS) of patients with operable gastrointestinal stromal tumor (GIST) compared with placebo. Objective To investigate the role of imatinib administration duration as adjuvant treatment of patients who have a high estimated risk for GIST recurrence after surgery. Design, Setting, and Patients Patients with KIT-positive GIST removed at surgery were entered between February 2004 and September 2008 to this randomized, open-label phase 3 study conducted in 24 hospitals in Finland, Germany, Norway, and Sweden. The risk of GIST recurrence was estimated using the modified National Institutes of Health Consensus Criteria. Intervention Imatinib, 400 mg per day, orally for either 12 months or 36 months, started within 12 weeks of surgery. Main Outcome Measures The primary end point was RFS; the secondary end points included overall survival and treatment safety. Results Two hundred patients were allocated to each group. The median follow-up time after randomization was 54 months in December 2010. Diagnosis of GIST was confirmed in 382 of 397 patients (96%) in the intention-to-treat population at a central pathology review. KIT or PDGFRA mutation was detected in 333 of 366 tumors (91%) available for testing. Patients assigned for 36 months of imatinib had longer RFS compared with those assigned for 12 months (hazard ratio [HR], 0.46; 95% CI, 0.32-0.65; P = .001; 5-year RFS, 65.6% vs 47.9%, respectively) and longer overall survival (HR, 0.45; 95% CI, 0.22-0.89; P=. 02; 5-year survival, 92.0% vs 81.7%). Imatinib was generally well tolerated, but 12.6% and 25.8% of patients assigned to the 12-and 36-month groups, respectively, discontinued imatinib for a reason other than GIST recurrence. Conclusion Compared with 12 months of adjuvant imatinib, 36 months of imatinib improved RFS and overall survival of GIST patients with a high risk of GIST recurrence.
  • Joensuu, Heikki, et al. (författare)
  • Risk Factors for Gastrointestinal Stromal Tumor Recurrence in Patients Treated With Adjuvant Imatinib
  • 2014
  • Ingår i: Cancer. - John Wiley and Sons Inc.. - 1097-0142. ; 120:15, s. 2325-2333
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Little is known about the factors that predict for gastrointestinal stromal tumor (GIST) recurrence in patients treated with adjuvant imatinib. METHODS: Risk factors for GIST recurrence were identified, and 2 risk stratification scores were developed using the database of the Scandinavian Sarcoma Group (SSG) XVIII trial, where 358 patients with high-risk GIST with no overt metastases were randomly assigned to adjuvant imatinib 400 mg/day either for 12 or 36 months after surgery. The findings were validated in the imatinib arm of the American College of Surgeons Oncology Group Z9001 trial, where 359 patients with GIST were randomized to receive imatinib and 354 were to receive placebo for 12 months. RESULTS: Five factors (high tumor mitotic count, nongastric location, large size, rupture, and adjuvant imatinib for 12 months) were independently associated with unfavorable recurrence-free survival (RFS) in a multivariable analysis in the SSGXVIII cohort. A risk score based on these 5 factors had a concordance index with GIST recurrence of 78.9%. When a simpler score consisting of the 2 strongest predictive factors (mitotic count and tumor site) was devised, the groups with the lowest, intermediate high, and the highest risk had 5-year RFS of 76.7%, 47.5%, and 8.4%, respectively. Both scores were strongly associated with RFS in the validation cohort (P<.001 for each comparison). CONCLUSIONS: The scores generated were effective in stratifying the risk of GIST recurrence in patient populations treated with adjuvant imatinib. Patients with nongastric GIST with a high mitotic count are at a particularly high risk for recurrence. (C) 2014 The Authors. Cancer published by Wiley Periodicals, Inc. on behalf of American Cancer Society. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.
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