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Träfflista för sökning "WFRF:(Castelo branco A.) srt2:(2020-2024)"

Sökning: WFRF:(Castelo branco A.) > (2020-2024)

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  • Pellat, A., et al. (författare)
  • Comprehensive mapping review of real-world evidence publications focusing on targeted therapies in solid tumors : A collaborative work from ESMO real-world data and Digital Health Working Group
  • 2023
  • Ingår i: Annals of Oncology. - : Elsevier. - 0923-7534 .- 1569-8041. ; 34:Suppl. 2, s. S925-S925
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • Background: A growing body of real-world evidence (RWE) aims to better reflect outcomes of cancer patients treated in real-world settings. We aimed to conduct a first comprehensive mapping review of the RWE produced over the past 3 years in terms of tumor type, treatment strategies, setting, and data sources, focusing on targeted therapies (TT) in solid tumors.Methods: We conducted a systematic review in PubMed of RWE studies published between 01/2020 and 12/2022. We identified non-interventional studies using observational data, focusing on solid tumors exposure to targeted therapies, excluding immunotherapies. Abstract and full-text screening were performed by 11 independent reviewers.Results: A total of 7,774 publications were retrieved with 1,251 considered eligible and extracted. The number of publications per year progressively increased during this period (328 in 2020; 421 in 2021; 502 in 2022). Most studies (50%) were performed in Asia, followed by Europe (25%) and North America (17%). Only 8% of studies had patients treated in more than one country. Treatment effectiveness and safety were assessed in 71% and 42% of studies respectively. Main data sources were medical records.Conclusions: RWE publications on TT for solid tumors are heterogeneous and mostly rely on retrospective data such as medical records. Population-based and international studies are rare. Collaborative efforts towards international representativeness and the use of routinely collected and/or standardized data sources must be encouraged to increase the relevance and future quality of publications and their potential impact on oncology practice.
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  • Derksen, J. W. G., et al. (författare)
  • Real-world evidence contributions to European medicines agency's safety and efficacy evaluations of oncology targeted therapies between 2018-2022
  • 2023
  • Ingår i: Annals of Oncology. - : Elsevier. - 0923-7534 .- 1569-8041. ; 34:Suppl. 2, s. S930-S930
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • Background: While Real-world Evidence (RWE) has documented value for safety monitoring and disease epidemiology, its objective contribution to safety and efficacy evaluations for regulatory purposes is still unclear. Here, we aim to describe the prevalence and type of RWE considered by European Medicines Agency (EMA) as contribution to efficacy and safety-related evidence generation among approved oncology targeted therapies...Methods: On March 10, 2023, we screened the medicines listing of EMA to identify all anti-cancer targeted therapies for solid malignancies with a decision date (initial marketing authorizations and extension of indications) between 2018-2022. We screened the European public assessment reports (EPARs) using a standardized approach to collect data on RWE. When generated pre-authorization, the RWE contribution to the final regulatory decision was classified as definitive, supportive, or non-supportive. For...Results: Out of a total of 1976 medicines, we identified 55 oncology targeted therapies, corresponding to 75 EPARs (indications), which are described in the table. The use of RWE in regulatory deliberations occurred in 24/75 (32%) EPARs, increasing from 30% in 2018-2020, to 34% in 2021-2022. Pre-authorization RWE was described in 20/24 (83%) EPARs, among which none were definitive, 8 RWE studies (in 7 EPARs) non-supportive, and 20 RWE studies (in 15 EPARs) were supportive of the decision. Published RWE...Conclusions: Over the past 5 years, RWE involvement in the approval of oncology targeted therapies in Europe tends to increase, with the majority being supportive for EMA regulatory decision making complementary to traditional clinical trials...
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  • Winick-Ng, W, et al. (författare)
  • Cell-type specialization is encoded by specific chromatin topologies
  • 2021
  • Ingår i: Nature. - : Springer Science and Business Media LLC. - 1476-4687 .- 0028-0836. ; 599:7886, s. 684-
  • Tidskriftsartikel (refereegranskat)abstract
    • The three-dimensional (3D) structure of chromatin is intrinsically associated with gene regulation and cell function1–3. Methods based on chromatin conformation capture have mapped chromatin structures in neuronal systems such as in vitro differentiated neurons, neurons isolated through fluorescence-activated cell sorting from cortical tissues pooled from different animals and from dissociated whole hippocampi4–6. However, changes in chromatin organization captured by imaging, such as the relocation of Bdnf away from the nuclear periphery after activation7, are invisible with such approaches8. Here we developed immunoGAM, an extension of genome architecture mapping (GAM)2,9, to map 3D chromatin topology genome-wide in specific brain cell types, without tissue disruption, from single animals. GAM is a ligation-free technology that maps genome topology by sequencing the DNA content from thin (about 220 nm) nuclear cryosections. Chromatin interactions are identified from the increased probability of co-segregation of contacting loci across a collection of nuclear slices. ImmunoGAM expands the scope of GAM to enable the selection of specific cell types using low cell numbers (approximately 1,000 cells) within a complex tissue and avoids tissue dissociation2,10. We report cell-type specialized 3D chromatin structures at multiple genomic scales that relate to patterns of gene expression. We discover extensive ‘melting’ of long genes when they are highly expressed and/or have high chromatin accessibility. The contacts most specific of neuron subtypes contain genes associated with specialized processes, such as addiction and synaptic plasticity, which harbour putative binding sites for neuronal transcription factors within accessible chromatin regions. Moreover, sensory receptor genes are preferentially found in heterochromatic compartments in brain cells, which establish strong contacts across tens of megabases. Our results demonstrate that highly specific chromatin conformations in brain cells are tightly related to gene regulation mechanisms and specialized functions.
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  • Pinto, Ana Margarida, et al. (författare)
  • Emotion regulation and the salience network : a hypothetical integrative model of fibromyalgia
  • 2023
  • Ingår i: Nature Reviews Rheumatology. - : Springer Nature. - 1759-4790 .- 1759-4804. ; 19:1, s. 44-60
  • Tidskriftsartikel (refereegranskat)abstract
    • Fibromyalgia is characterized by widespread pain, fatigue, sleep disturbances and other symptoms, and has a substantial socioeconomic impact. Current biomedical and psychosocial treatments are unsatisfactory for many patients, and treatment progress has been hindered by the lack of a clear understanding of the pathogenesis of fibromyalgia. We present here a model of fibromyalgia that integrates current psychosocial and neurophysiological observations. We propose that an imbalance in emotion regulation, reflected by an overactive 'threat' system and underactive 'soothing' system, might keep the 'salience network' (also known as the midcingulo-insular network) in continuous alert mode, and this hyperactivation, in conjunction with other mechanisms, contributes to fibromyalgia. This proposed integrative model, which we term the Fibromyalgia: Imbalance of Threat and Soothing Systems (FITSS) model, should be viewed as a working hypothesis with limited supporting evidence available. We hope, however, that this model will shed new light on existing psychosocial and biological observations, and inspire future research to address the many gaps in our knowledge about fibromyalgia, ultimately stimulating the development of novel therapeutic interventions.
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  • Pinto, Ana Margarida, et al. (författare)
  • Neurophysiological and psychosocial mechanisms of fibromyalgia : A comprehensive review and call for an integrative model
  • 2023
  • Ingår i: Neuroscience and Biobehavioral Reviews. - : Elsevier. - 0149-7634 .- 1873-7528. ; 151
  • Forskningsöversikt (refereegranskat)abstract
    • Research into the neurobiological and psychosocial mechanisms involved in fibromyalgia has progressed remarkably in recent years. Despite this, current accounts of fibromyalgia fail to capture the complex, dynamic, and mutual crosstalk between neurophysiological and psychosocial domains. We conducted a comprehensive review of the existing literature in order to: a) synthesize current knowledge on fibromyalgia; b) explore and highlight multi-level links and pathways between different systems; and c) build bridges connecting disparate perspectives. An extensive panel of international experts in neurophysiological and psychosocial aspects of fi-bromyalgia discussed the collected evidence and progressively refined and conceptualized its interpretation. This work constitutes an essential step towards the development of a model capable of integrating the main factors implicated in fibromyalgia into a single, unified construct which appears indispensable to foster the under-standing, assessment, and intervention for fibromyalgia.
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