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Laux-Biehlmann A.,Bayer AG | D'hooghe T.,Leuven University Fertility Center | Zollner T.M.,Bayer AG
Trends in Pharmacological Sciences | Year: 2015

Endometriosis is a chronic, hormone-dependent, inflammatory disease, characterized by the presence and growth of endometrial tissue outside the uterine cavity. It affects 5-10% of the female population of reproductive age and is frequently associated with moderate to severe pain, subfertility, and a marked reduction in health-related quality of life. Here, we propose a new pathophysiological concept of endometriosis, summarizing recent findings in one unifying picture. We propose menstruating tissue as the trigger for inflammatory pain in endometriosis through the activation of innate immune cells and peripheral nerve endings. We speculate how innovative treatment modalities beyond hormonal treatment will improve patients' lives. © 2015 Elsevier Ltd. All rights reserved. Source


De Graaff A.A.,Maastricht University | D'hooghe T.M.,Leuven University Fertility Center | Dunselman G.A.J.,Maastricht University | Dirksen C.D.,Maastricht University | And 2 more authors.
Human Reproduction | Year: 2013

STUDY QUESTIONTo what extent do the management of endometriosis and the symptoms that remain after treatment affect the quality of life in women with the disease?SUMMARY ANSWERMany women with endometriosis had impaired quality of life and continued to suffer from endometriosis-associated symptoms even though their endometriosis has been managed in tertiary care centres.WHAT IS KNOWN ALREADYThe existing literature indicates that quality of life and work productivity is reduced in women with endometriosis. However, most studies have small sample sizes, are treatment related or examine newly diagnosed patients only.STUDY DESIGN, SIZE, DURATIONA cross-sectional questionnaire-based survey among 931 women with endometriosis treated in 12 tertiary care centres in 10 countries.PARTICIPANTS/MATERIALS, SETTING, METHODSWomen diagnosed with endometriosis who had at least one contact related to endometriosis-associated symptoms during 2008 with a participating centre were enrolled into the study. The study investigated the effect of endometriosis on education, work and social wellbeing, endometriosis-associated symptoms and health-related quality of life, by using questions obtained from the World Endometriosis Research Foundation (WERF) GSWH instrument (designed and validated for the WERF Global Study on Women's Health) and the Short Form 36 version 2 (SF-36v2).MAIN RESULTS AND THE ROLE OF CHANCEOf 3216 women invited to participate in the study, 1450 (45%) provided informed consent and out of these, 931 (931/3216 = 29%) returned the questionnaires. Endometriosis had affected work in 51% of the women and affected relationships in 50% of the women at some time during their life. Dysmenorrhoea was reported by 59%, dyspareunia by 56% and chronic pelvic pain by 60% of women. Quality of life was decreased in all eight dimensions of the SF-36v2 compared with norm-based scores from a general US population (all P < 0.01). Multivariate regression analysis showed that number of co-morbidities, chronic pain and dyspareunia had an independent negative effect on both the physical and mental component of the SF-36v2.LIMITATIONS, REASONS FOR CAUTIONThe fact that women were enrolled in tertiary care centres could lead to a possible over-representation of women with moderate-to-severe endometriosis, because the participating centres typically treat more complex and referred cases of endometriosis. The response rate was relatively low. Since there was no Institute Review Board approval to do a non-responder investigation on basic characteristics, some uncertainty remains regarding the representativeness of the investigated population.WIDER IMPLICATIONS OF THE FINDINGSThis international multicentre survey represents a large group of women with endometriosis, in all phases of the disease, which increases the generalizability of the data. Women still suffer from frequent symptoms, despite tertiary care management, in particular chronic pain and dyspareunia. As a result their quality of life is significantly decreased. A patient-centred approach with extensive collaboration across disciplines, such as pain specialists, psychologists, sexologists and social workers, may be a valuable strategy to improve the long-term care of women with endometriosis.STUDY FUNDING/COMPETING INTEREST(S)The WERF EndoCost study is funded by the World Endometriosis Research Foundation (WERF) through grants received from Bayer Schering Pharma AG, Takeda Italia Farmaceutici SpA, Pfizer Ltd and the European Society of Human Reproduction and Embryology. The sponsors did not have a role in the design and conduct of the study; collection, management, analysis and interpretation of the data; and preparation, review or approval of the manuscript. L.H. is the chief executive and T.D. was a board member of WERF at the time of funding. T.D. holds the Merck-Serono Chair in Reproductive Medicine and Surgery, and the Ferring Chair in Reproductive Medicine at the Katholieke Universiteit Leuven in Belgium and has served as consultant/research collaborator for Merck-Serono, Schering-Plough, Astellas and Arresto. © The Author 2013. Source


Wolthuis A.M.,University Hospital Gasthuisberg Leuven | Tomassetti C.,Leuven University Fertility Center
Best Practice and Research: Clinical Gastroenterology | Year: 2014

Endometriosis is a handicapping disease affecting young females in the reproductive period. It mainly occurs in the pelvis and affects the bowel in 3-37%. Endometriosis can cause menstrual and non-menstrual pelvic pain and infertility. Colorectal involvement results in alterations of bowel habit such as constipation, diarrhoea, tenesmus, and rarely rectal bleeding. A precise diagnosis about the presence, location and extent is necessary. Based on clinical examination, the diagnosis of bowel endometriosis can be made by transvaginal ultrasound, barium enema examination and magnetic resonance imaging. Multidisciplinary laparoscopic treatment has become the standard of care and depending on size of the lesion and site of involvement full-thickness disc excision or bowel resection is performed by an experienced colorectal surgeon. Anastomotic complications occur around 1%. Long-term outcome after bowel resection for severe endometriosis is good with a pregnancy rate of 50%. © 2013 Elsevier Ltd. All rights reserved. Source


Indekeu A.,Catholic University of Leuven | Dierickx K.,Catholic University of Leuven | Schotsmans P.,Catholic University of Leuven | Daniels K.R.,University of Canterbury | And 2 more authors.
Human Reproduction Update | Year: 2013

Background: In recent years, changes in attitudes towards (non-)disclosure of donor conception to offspring and/or others have been observed. Studies have started to identify possible factors that contribute to these changes that are relevant for clinics, counsellors and policymakers in their approach to the disclosure process. The aim of this systematic review was to integrate the existing knowledge on factors that influence the disclosure decision-making process of donor conception to offspring and/or others in heterosexual couples, and to discuss future trends and concerns. Methods: Abibliographic search of English, French, German and Dutch language publications of five computerized databaseswas undertaken from January 1980 to March 2012. A Cochrane Database systematic review approach was applied. Results: A total of 43 studies met the inclusion criteria, and these represented 36 study populations. The review shows that the parents' disclosure decision-making process is influenced by amyriad of intrapersonal, interpersonal, social and family life cycle features. These influenceswere not necessarily independent but rather were interwoven and overlapping. Theoretical frameworks have not yet been used to explain how the different factors influenced disclosure.Methodological limitations of the original publications (lack of information, several factors included in one study, descriptive character of studies) and this review (multiple factors that may interact) which hindered integration of the findings are outlined. © The Author 2013. Published by Oxford University Press on behalf of the European Society of Human Reproduction and Embryology. All rights reserved. Source


Platteeuw L.,Leuven University Fertility Center | D'Hooghe T.,Leuven University Fertility Center
Current Opinion in Obstetrics and Gynecology | Year: 2014

Purpose of review: Current medical treatments for endometriosis-associated pain, including oral contraceptives, progestins and GnRH agonists, are partially effective and have significant side-effects. The purpose of this review is to present new hormonal and nonhormonal treatment for endometriosis. Recent findings: At present, the ideal drug that can prevent, inhibit or stop development of endometriosis, reduce associated pain or infertility and allow conception does not exist. New drugs in development for endometriosis modulate GnRH, estrogen and/or progesterone receptors, or target endometriosis-associated inflammation, angiogenesis, adhesion and/or tissue invasion. Most have been tested in rodents, and have been evaluated in more relevant animal models like nonhuman primates (baboons), but only a few, that is GnRH antagonists, have been tested in human randomized controlled trials. Important safety and efficacy issues remain a concern, as steroid receptors, inflammation, adhesion, angiogenesis and tissue invasion are key factors in physiological events like ovulation, menstruation and embryo implantation. Summary: New drugs for the medical treatment of endometriosis targeting both hormonal (GnRH, estrogen and progesterone receptors) and nonhormonal pathways (inflammation, angiogenesis, adhesions, tissue invasion) are promising, but their efficacy and safety need to be established in randomized human trials before they can be used in clinical practice. Copyright © 2014 Lippincott Williams & Wilkins. Source

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