1,886 results match your criteria: "University Hospitals g Leuven; Leuven Cancer Institute LKI[Affiliation]"

Letermovir and maribavir have demonstrated efficacy in the prevention and treatment, respectively, of immunosuppressed patients with cytomegalovirus (CMV) infection and disease. These patients often have polypharmacy making them at risk for drug-drug interactions. Both letermovir and maribavir can be perpetrators and victims of drug-drug interactions.

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Background: Lymphatic disorders such as protein-losing enteropathy, plastic bronchitis, and chylothorax are important complications of the Fontan circulation and ultimately result in an increased risk of early death. Several European centers are now performing lymphatic procedures. The aim of this study is to map the extent of these lymphatic disorders and treatments provided across European pediatric cardiology centers.

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Article Synopsis
  • Most patients with acute ischemic stroke and large vessel occlusion are initially evaluated at non-thrombectomy centers before being transferred to specialized facilities for treatment, leading to potential delays and worse outcomes.
  • The review highlights that changes in clinical and radiological status during transfers vary among patients and can affect their recovery, emphasizing the need for better care during this critical time.
  • It also explores potential strategies, like penumbral protection, to minimize damage during transfer and outlines important factors to consider when designing clinical trials aimed at improving patient outcomes.
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Background: The serum antiglycopeptidolipid core IgA antibody test has been proposed as a diagnostic tool for Mycobacterium avium complex pulmonary diseases. Cross-reactivity with other nontuberculous mycobacteria (NTM), including Mycobacterium abscessus, indicates that it may have a role as a broader screening test for nontuberculous mycobacterial pulmonary disease (NTM-PD). NTM-PD is believed to be underdiagnosed in patients with bronchiectasis.

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Background And Aims: Normalization of high-sensitivity C-reactive protein [hs-CRP] and fecal calprotectin [FCP] are suggested Crohn's disease [CD] intermediate treatment targets. This analysis evaluates achievement of biomarker normalization and the relationship between improvements in biomarker concentrations and clinical and endoscopic outcomes among patients treated with risankizumab.

Methods: This post hoc analysis included patients with moderately to severely active CD and elevated baseline hs-CRP [> 5 mg/L] or FCP [> 250 µg/g] concentrations from the 12-week ADVANCE and MOTIVATE induction studies, and the 52-week FORTIFY maintenance study.

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Implementing verifiable oncological imaging by quality assurance and optimization (i‑Violin) : Protocol for a European multicenter study.

Radiologie (Heidelb)

November 2024

Institute of Medical Technology, Faculty for electrical engineering and Information Technology, Otto-von-Guericke-University Magdeburg, Otto-Hahn-Str. 2, 39106, Magdeburg, Germany.

Background: Advanced imaging techniques play a pivotal role in oncology. A large variety of computed tomography (CT) scanners, scan protocols, and acquisition techniques have led to a wide range in image quality and radiation exposure. This study aims at implementing verifiable oncological imaging by quality assurance and optimization (i-Violin) through harmonizing image quality and radiation dose across Europe.

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Coronary Physiological Indexes to Evaluate Myocardial Ischemia in Patients With Aortic Stenosis Undergoing Valve Replacement.

JACC Cardiovasc Interv

October 2024

Department of Cardiovascular Sciences, KU Leuven, Leuven, Belgium; Department of Cardiovascular Medicine, University Hospitals Leuven, Leuven Belgium.

Background: The evaluation of myocardial ischemia in patients with aortic valve stenosis (AS) with concomitant coronary artery disease (CAD) and possible microvascular dysfunction (MVD) is challenging because fractional flow reserve (FFR) and the resting full-cycle ratio (RFR) have not been validated in this clinical setting.

Objectives: The objectives of this study in patients with AS and CAD were: 1) to describe the relationship between hyperemic and resting indexes; 2) to investigate the acute and long-term effects of aortic valve replacement (AVR) on epicardial indexes and microvascular function; 3) to assess the impact of these changes on clinical decision making; and 4) to determine FFR/RFR ischemia cutoff points in AS.

Methods: In this prospective multicentric study, we performed serial measurements of FFR and RFR and evaluated MVD by means of coronary flow reserve, the index of microvascular resistance, and microvascular resistance reserve in patients with severe AS and intermediate to severe CAD before and 6 months after AVR.

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This European Academy of Allergy and Clinical Immunology (EAACI) guideline provides recommendations for the management of IgE-mediated food allergy and was developed using the Grading of Recommendations, Assessment, Development and Evaluations (GRADE) approach. Following the confirmation of IgE-mediated food allergy diagnosis, allergen avoidance and dietary advice (with support of a specialised dietitian, if possible) together with the provision of a written treatment plan, education on the recognition of allergic symptoms and prescription of medication including adrenaline using an auto-injector are essential. Patients with significant anxiety and requirement for coping strategies may benefit from support from a clinical psychologist.

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Epidemiology and genetic diversity of human respiratory syncytial virus in Belgium between 2011 and 2019.

Virol J

October 2024

Laboratory of Clinical and Epidemiological Virology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Herestraat 49 Box 1040, 3000, Leuven, Belgium.

Article Synopsis
  • - The Human Respiratory Syncytial Virus (HRSV) significantly impacts young children and the elderly, with two main subtypes (A and B) and various genotypes, making it a focus of surveillance in Belgium.
  • - This study analyzed HRSV circulation in Belgium over eight seasons (2011-2019) prior to the COVID-19 pandemic, testing nearly 27,400 respiratory samples for HRSV using advanced PCR techniques.
  • - Findings showed a consistent winter pattern of HRSV with both subtypes co-existing; notably, subtype A strains with a specific genetic duplication replaced other strains from the 2014-2015 season onwards.
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Efficacy and safety of apraglutide in short bowel syndrome with intestinal failure and colon-in-continuity: A multicenter, open-label, metabolic balance study.

Clin Nutr

December 2024

Translational Research Center for Gastrointestinal Disorders (TARGID), KU Leuven, Leuven, Belgium; Leuven Intestinal Failure and Transplantation Center (LIFT), University Hospitals Leuven, Leuven, Belgium. Electronic address:

Article Synopsis
  • Apraglutide is a new long-acting GLP-2 analog being tested for short bowel syndrome with intestinal failure (SBS-IF) in a phase 2 study.
  • The study involved 9 adult patients receiving weekly injections of apraglutide over 52 weeks, measuring its safety and effects on their nutritional needs and intestinal health.
  • Results showed significant improvements, including a 52% decrease in parenteral support needs and enhanced absorption of nutrients, alongside a manageable safety profile with mostly mild adverse events.
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Consensus on drivers of maintenance treatment choice and patterns of care in advanced ovarian cancer.

Int J Gynecol Cancer

January 2025

Early phase trial unit in oncology (CITOHL- EPSILYON), Centre pour l'lnnovation en Cancérologie de Lyon (CICLY), Lyon University Hospital (HCL), Lyon, France.

Article Synopsis
  • Maintenance therapies like PARP inhibitors and bevacizumab have improved outcomes for advanced ovarian cancer patients, prompting a study to explore treatment variability across Europe.
  • A Delphi study was conducted with experts to understand maintenance treatment strategies and gauge consensus on best practices.
  • Key factors influencing treatment choices include tumor mutation status and perceived risk of disease progression, with high-risk cases defined by advanced FIGO stages or residual disease after initial treatment.
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Despite the growing evidence supporting the existence of CNS involvement in acute and chronic graft-versus-host disease (CNS-GvHD), the characteristics and course of the disease are still largely unknown. In this multicenter retrospective study, we analyzed the clinical, biological, radiological, and histopathological characteristics, as well as the clinical course of 66 patients diagnosed with possible CNS-GvHD (pCNS-GvHD), selected by predetermined diagnostic criteria. Results were then contrasted depending on whether pCNS-GvHD occurred before or after day 100 following allogeneic hematopoietic stem cell transplantation.

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Objective: There are no data, and thus no consensus, on the optimal duration of poly(ADP-ribose) polymerase (PARP) inhibitor maintenance therapy for exceptional responders (here defined as progression-free for 5 years or longer) with platinum sensitive recurrent ovarian cancer. The current licence is to continue PARP inhibitors until progression or toxicity; however, international practice varies considerably. The risks of late progression and late-onset myeloid malignancies, defined as occurring beyond 5 years of PARP inhibition, are unknown.

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Article Synopsis
  • The study analyzed the clinical characteristics of female Obstructive Sleep Apnoea (OSA) patients from the European Sleep Apnoea Database, using data from 9,710 participants.
  • Four distinct clusters or phenotypes of women with OSA were identified, each with varying age, BMI, comorbidities, and severity of sleep apnea.
  • The findings suggest that gender-specific phenotyping could lead to better risk assessment and tailored treatment options for women with OSA.
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Lung Nodule Management in Low-Dose CT Screening for Lung Cancer: Lessons from the NELSON Trial.

Radiology

October 2024

From the Departments of Epidemiology (D.Z., G.S., G.H.d.B., M.A.H.), Radiology (G.S., M.P., R.V.), and Pulmonary Disease (H.J.M.G.), University of Groningen, University Medical Center Groningen, Hanzeplein 1, Postbus 30.001, 9700RB Groningen, the Netherlands; Department of Medical Imaging, Diagnostic Image Analysis Group, Radboud University Medical Center, Nijmegen, the Netherlands (C.J., M.P.); Department of Radiology, Utrecht University, University Medical Center Utrecht, Utrecht, the Netherlands (P.A.d.J.); Department of Radiology and Nuclear Medicine, Maastricht University, Maastricht University Medical Center, Maastricht, the Netherlands (H.A.G.); GROW School for Oncology and Reproduction, Maastricht University, Maastricht, the Netherlands (H.A.G.); Department of Pulmonary Medicine, University of Rotterdam, University Medical Center Rotterdam, Rotterdam, the Netherlands (R.S., J.G.A.); Department of Respiratory Oncology, University Hospitals Leuven, Leuven, Belgium (K.N.); Institute for Diagnostic Accuracy, Groningen, the Netherlands (M.A.H.); and Department of Respiratory Medicine, Amsterdam University Medical Center, Amsterdam, the Netherlands (M.A.H.).

Article Synopsis
  • Low-dose CT (LDCT) screening in high-risk populations reduces mortality from lung cancer, but identifying malignant nodules among benign ones is challenging.
  • * The NELSON trial, the largest lung cancer screening trial in Europe, uses nodule size and growth rate to differentiate between benign and malignant nodules.
  • * This review analyzes the NELSON study's findings on nodule characteristics and compares them with other studies to enhance lung nodule management strategies in screening programs.
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Article Synopsis
  • In the TOPAZ-1 trial, patients with biliary tract cancers (BTC) who had recurrence within 6 months of surgery were excluded, which often happens in practice. This study looked into the effectiveness of cisplatin-gemcitabine-durvalumab (CGD) in patients who did experience early recurrence.
  • The study enrolled 178 BTC patients who had surgery and then underwent treatment with CGD after experiencing either early or late disease recurrence. Key goals were to measure overall survival (OS) and progression-free survival (PFS).
  • Results showed no significant differences in OS and PFS between early and late relapse groups, suggesting CGD is effective regardless of when the cancer
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Unsupervised learning, particularly clustering, plays a pivotal role in disease subtyping and patient stratification, especially with the abundance of large-scale multi-omics data. Deep learning models, such as variational autoencoders (VAEs), can enhance clustering algorithms by leveraging inter-individual heterogeneity. However, the impact of confounders-external factors unrelated to the condition, e.

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Tenecteplase vs Alteplase in Acute Ischemic Stroke Within 4.5 Hours: A Systematic Review and Meta-Analysis of Randomized Trials.

Neurology

November 2024

From the Second Department of Neurology (L.P., A.T., A. Safouris, G. Tsivgoulis), "Attikon" University Hospital, School of Medicine, National and Kapodistrian University of Athens, Greece; Department of Medicine (Neurology) (A.H.K.), McMaster University/Population Health Research Institute, Hamilton, Ontario, Canada; Department of Neurology (Guillaume Turc), GHU Paris Psychiatrie et Neurosciences; Université Paris Cité (G. Turc); INSERM U1266 (G. Turc); FHU NeuroVasc (G. Turc), Paris, France; Department of Primary Education (A.-G.A., D.M.), University of Ioannina, Greece; Department of Neurology and Neurogeriatrics (P.D.S.), Johannes Wesling Klinikum Minden, Ruhr-University Bochum, Germany; Department of Neurology (R.L.), University Hospitals Leuven; Division of Experimental Neurology (R.L.), Department of Neurosciences, KU Leuven-University of Leuven, Belgium; Department of Biotechnological and Applied Clinical Sciences (S.S.), University of L'Aquila, Italy; Stroke Unit (A. Safouris), Metropolitan Hospital, Piraeus, Greece; Department of Neurology (M.K., U.F.), University Hospital Basel, University of Basel, Switzerland; Department of Neurology (A. Sarraj), Case Western Reserve University, University Hospitals Cleveland Medical Center, OH; and Department of Neurology (U.F.), University Hospital Bern, University of Bern, Switzerland.

Article Synopsis
  • The European Stroke Organisation recommends using tenecteplase (TNK) as an alternative to alteplase (TPA) for treating acute ischemic stroke within 4.5 hours, based on previous studies establishing its noninferiority.
  • An updated systematic review and meta-analysis assessed the efficacy and safety of TNK compared to TPA, using data from 11 randomized controlled trials involving nearly 7,600 patients.
  • Results showed that TNK was linked to better chances of achieving excellent functional outcomes and reduced disability at 3 months, while maintaining similar safety profiles for symptomatic intracranial hemorrhage when compared to TPA.
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A quantification of gastric and duodenal fluid volumes in older adults using MRI.

Int J Pharm

December 2024

Drug Delivery and Disposition, KU Leuven, Gasthuisberg O&N II, Herestraat 49-Box 921, 3000 Leuven, Belgium. Electronic address:

Older adults are an inherently heterogeneous population with various underlying pathologies, medication use, and habits. In this study, the variability of this population was studied for the gastric and duodenal fluid volumes, as the amount of gastrointestinal volumes could play an essential role in the dissolution of drugs. The fluid volumes were retrospectively quantified by using magnetic resonance imaging (MRI).

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Article Synopsis
  • This study investigates how human serum albumin (HSA) levels affect drug distribution in neonates, aiming to establish trends in HSA over time and create a predictive model for HSA concentrations.
  • A total of 848 neonates were analyzed, revealing that HSA concentrations increase with postnatal age and gestational age, and several factors like birth weight and bilirubin levels significantly influence these concentrations.
  • The resulting prediction model demonstrated a high performance with an accuracy of 76.3%, providing valuable HSA centiles and insights that could improve clinical care and pharmacotherapy for neonatal patients.
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Aims: Orthodontic force (OF) induces a variety of reactions in the periodontal ligament (PDL) that could potentially account for individual variability regarding orthodontic tooth movement (OTM). This study investigates the transcriptomic profile of human PDL tissue subjected to OF in vivo for 7 and 28 days, additionally comparing the differences between maxillary and mandibular PDL.

Methods: Healthy patients requiring orthodontic premolar extractions were randomly assigned to one of three groups: control (CG) where no OF was applied, 7 days and 28 days, where premolars were extracted either 7 or 28 days after the application of a 50-100 g OF.

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A Titin Truncating Variant Causing a Dominant Myopathy With Cardiac Involvement in a Large Family: The Exception That Proves the Rule.

Neurol Genet

October 2024

From the Department of Neurology (K.G.C.), University Hospitals Leuven; Department of Neurosciences (K.G.C.), Laboratory for Muscle Diseases and Neuropathies, KU Leuven, and Leuven Brain Institute (LBI), Belgium; Folkhälsan Research Center and Medicum (M.S., P.H.J., A.V., B.U.), University of Helsinki, Finland; Department of Radiology (V.G.), University Hospitals Leuven, Belgium; John Walton Muscular Dystrophy Research Centre (A.T., V.S.), Translational and Clinical Research Institute, Newcastle University and Newcastle Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom; Neuromuscular Research Center (B.U.), Department of Neurology, Tampere University and University Hospital; and Department of Neurology (B.U.), Vaasa Central Hospital, Finland.

Background: Titin truncating variants (TTNtvs) have been repeatedly reported as causative of recessive but not dominant skeletal muscle disorders.

Objective: To determine whether a single heterozygous nonsense variant in can be responsible for the observed dominant myopathy in a large family.

Methods: In this case series, all available family members (8 affected and 6 healthy) belonging to a single family showing autosomal dominant inheritance were thoroughly examined clinically and genetically.

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Article Synopsis
  • There are no special treatments approved for low grade serous ovarian cancer, and the usual treatments don't always work well.
  • A new combination of two medicines called avutometinib and defactinib might work better and is safer than regular treatments.
  • The study wants to see if using this new combo helps patients live longer without their cancer getting worse compared to other treatments doctors might choose.
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