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Sökning: WFRF:(Birgegård A)

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  • Thornton, Laura M, et al. (författare)
  • The Anorexia Nervosa Genetics Initiative (ANGI): Overview and methods.
  • 2018
  • Ingår i: Contemporary clinical trials. - 1559-2030. ; 74, s. 61-69
  • Tidskriftsartikel (refereegranskat)abstract
    • Genetic factors contribute to anorexia nervosa (AN); and the first genome-wide significant locus has been identified. We describe methods and procedures for the Anorexia Nervosa Genetics Initiative (ANGI), an international collaboration designed to rapidly recruit 13,000 individuals with AN and ancestrally matched controls. We present sample characteristics and the utility of an online eating disorder diagnostic questionnaire suitable for large-scale genetic and population research.ANGI recruited from the United States (US), Australia/New Zealand (ANZ), Sweden (SE), and Denmark (DK). Recruitment was via national registers (SE, DK); treatment centers (US, ANZ, SE, DK); and social and traditional media (US, ANZ, SE). All cases had a lifetime AN diagnosis based on DSM-IV or ICD-10 criteria (excluding amenorrhea). Recruited controls had no lifetime history of disordered eating behaviors. To assess the positive and negative predictive validity of the online eating disorder questionnaire (ED100K-v1), 109 women also completed the Structured Clinical Interview for DSM-IV (SCID), Module H.Blood samples and clinical information were collected from 13,363 individuals with lifetime AN and from controls. Online diagnostic phenotyping was effective and efficient; the validity of the questionnaire was acceptable.Our multi-pronged recruitment approach was highly effective for rapid recruitment and can be used as a model for efforts by other groups. High online presence of individuals with AN rendered the Internet/social media a remarkably effective recruitment tool in some countries. ANGI has substantially augmented Psychiatric Genomics Consortium AN sample collection. ANGI is a registered clinical trial: clinicaltrials.govNCT01916538; https://clinicaltrials.gov/ct2/show/NCT01916538?cond=Anorexia+Nervosa&draw=1&rank=3.
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  • Barosi, G, et al. (författare)
  • Clinical end points for drug treatment trials in BCR-ABL1-negative classic myeloproliferative neoplasms : consensus statements from European LeukemiaNET (ELN) and Internation Working Group-Myeloproliferative Neoplasms Research and Treatment (IWG-MRT)
  • 2015
  • Ingår i: Leukemia. - 0887-6924 .- 1476-5551. ; 29:1, s. 20-26
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>The discovery of somatic mutations, primarily JAK2V617F and CALR, in classic BCR-ABL1-negative myeloproliferative neoplasms (MPNs) has generated interest in the development of molecularly targeted therapies, whose accurate assessment requires a standardized framework. A working group, comprised of members from European LeukemiaNet (ELN) and International Working Group for MPN Research and Treatment (IWG-MRT), prepared consensus-based recommendations regarding trial design, patient selection and definition of relevant end points. Accordingly, a response able to capture the long-term effect of the drug should be selected as the end point of phase II trials aimed at developing new drugs for MPNs. A time-to-event, such as overall survival, or progression-free survival or both, as co-primary end points, should measure efficacy in phase III studies. New drugs should be tested for preventing disease progression in myelofibrosis patients with early disease in randomized studies, and a time to event, such as progression-free or event-free survival should be the primary end point. Phase III trials aimed at preventing vascular events in polycythemia vera and essential thrombocythemia should be based on a selection of the target population based on new prognostic factors, including JAK2 mutation. In conclusion, we recommended a format for clinical trials in MPNs that facilitates communication between academic investigators, regulatory agencies and drug companies.</p>
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  • Geyer, Holly L., et al. (författare)
  • The role of sexuality symptoms in myeloproliferative neoplasm symptom burden and quality of life : An analysis by the MPN QOL International Study Group
  • 2016
  • Ingår i: Cancer. - 0008-543X .- 1097-0142. ; 122:12, s. 1888-1896
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>BACKGROUNDPatients with myeloproliferative neoplasms (MPNs) including polycythemia vera, essential thrombocythemia, and myelofibrosis, are faced with oppressive symptom profiles that compromise daily functioning and quality of life. Among these symptoms, sexuality-related symptoms have emerged as particularly prominent and largely unaddressed. In the current study, the authors evaluated how sexuality symptoms from MPN relate to other patient characteristics, disease features, treatments, and symptoms. METHODSA total of 1971 patients with MPN (827 with essential thrombocythemia, 682 with polycythemia vera, 456 with myelofibrosis, and 6 classified as other) were prospectively evaluated and patient responses to the Myeloproliferative Neoplasm Symptom Assessment Form (MPN-SAF) and the European Organization for Research and Treatment of Cancer Quality of Life Questionnaire Core 30 (EORTC-QLQ C30) were collected, along with information regarding individual disease characteristics and laboratory data. Sexuality scores were compared with an age-matched, healthy control population. RESULTSOverall, patients with MPN were found to have greater sexual dysfunction compared with the healthy population (MPN-SAF score of 3.6 vs 2.0; P&lt;.001), with 64% of patients with MPN describing some degree of sexual dysfunction and 43% experiencing severe symptoms. The presence of sexual symptoms correlated closely with all domains of patient functionality (physical, social, cognitive, emotional, and role functioning) and were associated with a reduced quality of life. Sexual problems also were found to be associated with other MPN symptoms, particularly depression and nocturnal and microvascular-related symptoms. Sexual dysfunction was more severe in patients aged &gt;65 years and in those with cytopenias and transfusion requirements, and those receiving certain therapies such as immunomodulators or steroids. ConclusionsThe results of the current study identify the topic of sexuality as a prominent issue for the MPN population, and this area would appear to benefit from additional investigation and management. Cancer 2016;122:1888-96. (c) 2016 American Cancer Society. Sexuality problems impact all domains of functionality, depression, microvascular symptoms, and overall quality of life among patients with myeloproliferative neoplasms. These problems correlate with patient age, the presence of cytopenias, transfusion requirements, and common therapies for myeloproliferative neoplasms. See also pages 1804-6.</p>
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  • Hedman, Anna, et al. (författare)
  • Bidirectional relationship between eating disorders and autoimmune diseases
  • 2018
  • Ingår i: Journal of Child Psychology and Psychiatry. - Stockholm : Karolinska Institutet, Dept of Medical Epidemiology and Biostatistics. - 0021-9630.
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Immune system dysfunction may be associated with eating disorders, and associations could have implications for detection, risk assessment, and treatment of both autoimmune diseases and eating disorders. However, questions regarding the nature of the relationship between these two disease entities remain. We evaluated the strength of associations for the bidirectional relationships between eating disorders and autoimmune diseases. Methods: In this nationwide population-based cohort study, Swedish registers were linked to establish a cohort of more than 2.5 million individuals born in Sweden between January 1, 1979 and December 31, 2005 and followed-up until December 2013. Cox proportional hazard regression models were used to investigate: 1) subsequent risk of eating disorders in individuals with autoimmune diseases; and 2) subsequent risk of autoimmune diseases in individuals with eating disorders. Results: We observed a strong, bidirectional relationship between the two classes of illness indicating that diagnosis in one illness class increased the risk of the other. In women, autoimmune disease diagnoses increased subsequent hazard of anorexia nervosa, bulimia nervosa, and other eating disorders. Similarly, anorexia nervosa, bulimia nervosa, and other eating disorders increased subsequent hazard of autoimmune diseases. The gastrointestinal-related autoimmune diseases celiac disease and Crohn's disease showed a bidirectional relationship with anorexia nervosa and other eating disorders. Psoriasis showed a bidirectional relationship with other eating disorders. Prior type 1 diabetes increased risk for anorexia nervosa, bulimia nervosa, and other eating disorders. In men, we did not observe a bidirectional pattern, but prior autoimmune arthritis increased risk for other eating disorders. Conclusions: The associations between eating disorders and autoimmune diseases provide additional support for previously reported associations. The bidirectional risk pattern observed in women suggests either a shared mechanism or a third mediating variable contributing to the association of these illnesses.
10.
  • Mustelin, L., et al. (författare)
  • Risk of eating disorders in immigrant populations
  • 2017
  • Ingår i: Acta Psychiatrica Scandinavica. - Wiley-Blackwell. - 0001-690X. ; 136:2, s. 156-165
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: The risk of certain psychiatric disorders is elevated among immigrants. To date, no population studies on immigrant health have addressed eating disorders. We examined whether risk of eating disorders in first- and second-generation immigrants differs from native-born Danes and Swedes. Method: All individuals born 1984–2002 (Danish cohort) and 1989–1999 (Swedish cohort) and residing in the respective country on their 10th birthday were included. They were followed up for the development of eating disorders based on out-patient and in-patient data. Results: The risks of all eating disorder types were lower among first-generation immigrants compared to the native populations: Incidence-rate ratio (95% confidence interval) was 0.39 (0.29, 0.51) for anorexia nervosa, 0.60 (0.42, 0.83) for bulimia nervosa, and 0.62 (0.47, 0.79) for other eating disorders in Denmark and 0.27 (0.21, 0.34) for anorexia nervosa, 0.30 (0.18, 0.51) for bulimia nervosa, and 0.39 (0.32, 0.47) for other eating disorders in Sweden. Likewise, second-generation immigrants by both parents were at lower risk, whereas those with only one foreign-born parent were not. Conclusion: The decreased risk of eating disorders among immigrants is opposite to what has been observed for other psychiatric disorders, particularly schizophrenia. Possible explanations include buffering sociocultural factors and underdetection in health care.
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