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Sökning: swepub > Övrigt vetenskapligt/konstnärligt > Umeå universitet

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31.
  • Bjerg, Anders, et al. (författare)
  • Shorter time to clinical decision in work-related asthma using a digital tool
  • 2020
  • Ingår i: ERJ open research. - Lausanne, Switzerland : European Respiratory Society (ERS). - 2312-0541. ; 6:3
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • PEF curves are a useful but cumbersome tool in diagnosing work-related asthma. Using a digital spirometer and smartphone app, time to clinical decision could be shortened by 6-7 weeks. Physician's time spent analysing PEF data is also shortened.
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34.
  • Månsson, Kristoffer, et al. (författare)
  • Can Psychological Treatment Slow Down Cellular Aging in Social Anxiety Disorder? : An Intervention Study Evaluating Changes in Telomere Length and Telomerase Activity
  • 2018
  • Ingår i: Biological Psychiatry. - : Elsevier BV. - 0006-3223 .- 1873-2402. ; 83:9, s. S351-S352
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • Background: Mental illness, including anxiety disorders, is linked to accelerated cell aging. This is evidenced by shorter leukocyte telomere length. Cells with critically short telomeres may undergo apoptosis. In dividing cells, telomere shortening is counteracted by the telomeraseenzyme. Telomerase is reportedly low following chronic psychological stress. We hypothesized that a psychological treatment may increase telomerase activity, less telomere attritionand greater symptom improvement.Methods: Forty-six patients (91% SSRI naïve) with social anxiety disorder(SAD; mean age 31, 63% females) underwent a 9-week waiting period, and 9 weeks of Internet-delivered cognitive behavior therapy(CBT). During treatment, symptoms were assessed weekly using the Liebowitz Social Anxiety Scale (LSAS-SR). Fasting blood samples were collected twice before treatment, and at post-treatment. Genomic DNA was extracted using DNeasy® Blood & Tissue Kit (Qiagene) to assess leukocyte telomere length. Telomerase activity was detected by real-time telomeric repeat amplification protocol (RT-TRAP).Results: Patients improved significantly on the LSAS-SR (p<.001; Cohen’s d=1.5). Pre-post changes in telomerase and telomere length correlated positively (Pearson’s r=.31, p=.05). Reduced telomerase activity (<33th percentile) was associated with less improvement and increased activity (>66th percentile) with more improvement on the LSAS-SR (Z=-2.4, p=.02).Conclusions: We demonstrate, to our knowledge for the first time, that altered telomerase activity is associated with clinical response to a psychological treatment in a psychiatric population. The observed CBT effect on telomerase in patients with SAD is consistent with results from animal trials and a small previous study of antidepressants in humans. Thus, telomerase activation may play an important role in clinical recovery.
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39.
  • Hjorth, Martin, et al. (författare)
  • Thalidomide and dexamethasone vs. bortezomib and dexamethasone for melphalan refractory myeloma: a randomized study.
  • 2012
  • Ingår i: European journal of haematology. - : Wiley. - 0902-4441 .- 1600-0609. ; 88:6, s. 485-496
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • Objectives:  Thalidomide and bortezomib have been frequently used for second-line therapy in patients with myeloma relapsing after or refractory to initial melphalan-based treatment, but no randomized trials have been published comparing these two treatment alternatives. Methods:  Thalidomide- and bortezomib-naïve patients with melphalan refractory myeloma were randomly assigned to low-dose thalidomide + dexamethasone (Thal-Dex) or bortezomib + dexamethasone (Bort-Dex). At progression on either therapy, the patients were offered crossover to the alternative drug combination. An estimated 300 patients would be needed for the trial to detect a 50% difference in median PFS between the treatment arms. Results:  After inclusion of 131 patients, the trial was prematurely closed because of low accrual. Sixty-seven patients were randomized to Thal-Dex and 64 to Bort-Dex. Progression-free survival was similar (median, 9.0 months for Thal-Dex and 7.2 for Bort-Dex). Response rate was similar (55% for Thal-Dex and 63% for Bort-Dex), but time to response was shorter (P < 0.05) and the VGPR rate higher (P < 0.01) for Bort-Dex. Time-to-other treatment after crossover was similar (median, 13.2 months for Thal-Dex and 11.2 months for Bort-Dex), as was overall survival (22.8 months for Thal-Dex and 19.0 for Bort-Dex). Venous thromboembolism was seen in seven patients and cerebrovascular events in four patients in the Thal-Dex group. Severe neuropathy, reactivation of herpes virus infections, and mental depression were more frequently observed in the Bort-Dex group. In the quality-of-life analysis, no difference was noted for physical function, pain, and global quality of life. Fatigue and sleep disturbances were significantly more prevalent in the Bort-Dex group. Conclusions:  Thalidomide (50–100 mg daily) in combination with dexamethasone seems to have an efficacy comparable with that of bortezomib and dexamethasone in melphalan refractory myeloma. However, the statistical strength of the results in this study is limited by the low number of included patients.
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