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- Brenne, AT, et al.
(författare)
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Low serum level of soluble tumor necrosis factor receptor p55 predicts response to thalidomide in advanced multiple myeloma
- 2004
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Ingår i: Haematologica. - 1592-8721 .- 0390-6078. ; 89:5, s. 552-556
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Tidskriftsartikel (refereegranskat)abstract
- Background and Objectives. Thalidomide modulates the production of tumor necrosis factor (TNF-alpha). Soluble TNF receptors, TNFR p55 and TNFR p75, modify TNF-a activity. In this study, we explored the relation between soluble TNF receptors and outcome in patients with advanced multiple myeloma treated with thalidomide. Design and Methods. The levels of soluble TNF receptor p55 and p75 were assessed in serum from 34 myeloma patients with relapsed or refractory disease before starting thalidomide treatment. Serial measurements were performed for 16 patients in serum collected during treatment. Results. The pre-treatment serum level of soluble TNFR p55 in thalidomide responders was significantly lower than that in non-responders (median 1.75 ng/mL (range 1.19-2.84) vs. 2.79 ng/mL (1.36-5.51), p=0.004). The levels of p55 declined significantly during treatment. The levels of p75 showed the same pattern as p55, but the differences were not significant. The median survival of myeloma patients with pre-treatment levels of p55 less than or equal to 2.79 ng/mL was 404 days; the median survival of patients with pre-treatment levels less than or equal to 2.79 ng/mL was shorter (65 days, log-rank test p=0.02). Interpretation and Conclusions. We conclude that soluble TNFR p55 is an adverse prognostic factor in myeloma patients with relapsed or refractory disease treated with thalidomide. Patients with a low pre-treatment level of this receptor have a better response rate and a longer overall survival.
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- Lynge, E, et al.
(författare)
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Cancer in persons working in dry cleaning in the Nordic countries
- 2006
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Ingår i: Environmental Health Perspectives. - : Environmental Health Perspectives. - 1552-9924 .- 0091-6765. ; 114:2, s. 213-219
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Tidskriftsartikel (refereegranskat)abstract
- U.S. studies have reported an increased risk of esophageal and some other cancers in dry cleaners exposed to tetrachloroethylene. We investigated whether the U.S. findings could be reproduced in the Nordic countries using a series of case-control studies nested in cohorts of laundry and dry-cleaning workers identified from the 1970 censuses in Denmark, Norway, Sweden, and Finland. Dry-cleaning work in the Nordic countries during the period when tetrachloroethylene was the dominant solvent was not associated with an increased risk of esophageal cancer [rate ratio (RR) = 0.76; 95% confidence interval (CI), 0.34-1.69], but our study was hampered by some unclassifiable cases. The risks of cancer of the gastric cardia, liver, pancreas, and kidney and non-Hodgkin lymphoma were not significantly increased. Assistants in dry-cleaning shops had a borderline significant excess risk of cervical cancer not found in women directly involved in dry cleaning. We found an excess risk of bladder cancer (RR = 1.44; 95% CI, 1.07-1.93) not associated with length of employment. The finding of no excess risk of esophageal cancer in Nordic dry cleaners differs from U.S. findings. Chance, differences in level of exposure to tetrachloroethylene, and confounding may explain the findings. The overall evidence on bladder. cancer in dry cleaners is equivocal.
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- Opdahl, S., et al.
(författare)
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Risk of hypertensive disorders in pregnancies following assisted reproductive technology: a cohort study from the CoNARTaS group
- 2015
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Ingår i: Human Reproduction. - : Oxford University Press (OUP). - 0268-1161 .- 1460-2350. ; 30:7, s. 1724-1731
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Tidskriftsartikel (refereegranskat)abstract
- STUDY QUESTION: Is the risk of hypertensive disorders in pregnancies conceived following specific assisted reproductive technology (ART) procedures different from the risk in spontaneously conceived (SC) pregnancies? SUMMARY ANSWER: ART pregnancies had a higher risk of hypertensive disorders, in particular following cryopreservation, with the highest risk seen in twin pregnancies following frozen-thawed cycles. WHAT IS KNOWN ALREADY: The risk of hypertensive disorders is higher in ART pregnancies than in SC pregnancies. The increased risk maybe partly explained by multiple pregnancies and underlying infertility, but a contribution from specific ART procedures has not been excluded. STUDY DESIGN, SIZE, DURATION: Population-based cohort study, including sibling design with nationwide data from health registers in Sweden, Denmark and Norway. PARTICIPANTS/MATERIALS, SETTING, METHODS: All registered ART pregnancies and a sample of SC pregnancies with gestational age >= 22 weeks from 1988 to 2007 were included. ART singleton pregnancies (n = 47 088) were compared with SC singleton pregnancies (n = 268 599), matched on parity and birth year. ART twin pregnancies (n = 10 918) were compared with SC twin pregnancies (46 674). We used logistic regression to estimate adjusted odds ratios and risk differences for hypertensive disorders in pregnancies following IVF, ICSI and fresh or frozen-thawed cycles. We also compared freshand frozen-thawed cycles within mothers who had conceived following both procedures using conditional logistic regression (sibling analysis). MAIN RESULTS AND THE ROLE OF CHANCE: Hypertensive disorders were reported in 5.9% of ART singleton and 12.6% of ART twin pregnancies. Comparing singleton pregnancies, the risk of hypertensive disorders was higher after all ART procedures. The highest risk in singleton pregnancies was seen after frozen-thawed cycles [risk 7.0%, risk difference 1.8%, 95% confidence interval (CI) 1.2-2.8]. Comparing twin pregnancies, the risk was higher after frozen-thawed cycles (risk 19.6%, risk difference 5.1%, 95% CI 3.0-7.1), but not after fresh cycles. In siblings, the risk was higher after frozen-thawed cycles compared with fresh cycles within the same mother (odds ratio 2.63, 95% CI 1.73-3.99). There were no clear differences in risk for IVF and ICSI. LIMITATIONS, REASONS FOR CAUTION: The number of ART siblings in the study was limited. Residual confounding cannot be excluded. In addition, we did not have information on all SC pregnancies in each woman's history, and could therefore not compare risk in ART versus SC pregnancies in the same mother. WIDER IMPLICATIONS OF THE FINDINGS: Pregnancies following frozen-thawed cycles have a higher risk of hypertensive disorders, also when compared with fresh cycle pregnancies by the same mother. The safety aspects in frozen-thawed cycles merit further attention. STUDY FUNDING/COMPETING INTEREST(S): Funding was received from the European Society for Human Reproduction and Embryology, the University of Copenhagen, the Danish Agency for Science, Technology and Innovation, the Nordic Federation of Societies of Obstetrics and Gynecology and the Liaison Committee between the Central Norway Regional Health Authority and the Norwegian University of Science and Technology. None of the authors has any competing interests to declare.
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