871 results match your criteria: "Claude-Bernard Lyon-1 University[Affiliation]"

COMPOSIT study: evaluating osimertinib combination with targeted therapies in EGFR-mutated non-small cell lung cancer.

Oncologist

December 2024

Department of Pneumology and Thoracic Oncology, Tenon Hospital, Assistance Publique Hôpitaux de Paris and GRC 4, Theranoscan, Sorbonne Université, Paris, France.

Introduction: The emergence of diverse resistance mechanisms after osimertinib therapy, including on-target epidermal growth factor receptor (EGFR) mutations and off-target alterations, warrants investigation of novel therapeutics to overcome these challenges and improve patient outcomes.

Methods: COMPOSIT was a French, retrospective, multicenter, cohort study of the effectiveness and tolerability of osimertinib in combination with other targeted therapies in patients with advanced EGFR-mutant (EGFRm) non-small cell lung cancer (NSCLC) who harbored other oncogenic drivers as primary or acquired resistance mechanisms. Real-world progression-free survival (rwPFS), overall survival (OS), and objective response rate (ORR) were the primary endpoints.

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Muscle composition is not a prognostic factor for muscle strength recovery after anterior cruciate ligament surgery by hamstring tendon autograft.

Orthop Traumatol Surg Res

December 2024

Orthopaedics Surgery and Sports Medicine Department, FIFA Medical Center of Excellence, Croix-Rousse Hospital, Lyon University Hospital, Lyon, France; LIBM - EA 7424, Interuniversity Laboratory of Biology of Mobility, Claude Bernard Lyon 1 University, Lyon, France.

Purpose: For the athlete, anterior Cruciate Ligament (ACL) rupture and its surgical management are often a turning point in their career. Success and time to return to sport are essential parameters for athletes and their support staff, so it is critical to understand the prognostic factors influencing return to sport after anterior cruciate ligament reconstruction (ACLR). The aim of this study was to determine the influence of hamstring muscle composition on muscle power following ACLR with autogenous hamstring grafts.

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Meniscal tear analysis in anterior cruciate ligament rupture: A retrospective comparison of early versus delayed intervention.

Orthop Traumatol Surg Res

December 2024

Orthopaedics Surgery and Sports Medicine Department, FIFA Medical Center of Excellence, Croix-Rousse Hospital, Lyon University Hospital, Lyon, France; LIBM - EA 7424, Interuniversity Laboratory of Biology of Mobility, Claude Bernard Lyon 1 University, Lyon, France.

Introduction: Combined anterior cruciate ligament (ACL) and meniscal tear patterns and their effect on knee stability have been widely researched, however, their evolution and repairability from time of injury have been scarcely addressed. When addressed with delay, meniscal lesions associated with ACL tears may increase in severity and irreparability. This study aims to investigate the incidence, rate and pattern of meniscus tears in the context of ACL deficient knees and to assess the meniscal condition in early versus late ACL reconstruction (ACLR).

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Neural networks for predicting etiological diagnosis of uveitis.

Eye (Lond)

December 2024

Department of Internal Medicine, Hôpital Universitaire de la Croix-Rousse, Hospices Civils de Lyon, University Claude Bernard-Lyon 1, Lyon, France.

Background/objectives: The large number and heterogeneity of causes of uveitis make the etiological diagnosis a complex task. The clinician must consider all the information concerning the ophthalmological and extra-ophthalmological features of the patient. Diagnostic machine learning algorithms have been developed and provide a correct diagnosis in one-half to three-quarters of cases.

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Purpose: Genomic profiling is a major component for first-line treatment decisions in patients with non-small cell lung cancer (NSCLC) and the timeliness of biomarker testing is essential to improve time to treatment initiation (TTI) or avoid inappropriate treatment.

Patients And Methods: The phase III LIBELULE trial (NCT03721120) included patients with radiological suspicion of advanced lung cancer. They were randomized (1:1), the control arm receiving diagnostic procedures according to each center's practice and the liquid biopsy arm with additional testing performed at the first visit using the InVisionFirst®-Lung assay.

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Effect of Therapeutic Patient Education in Adults with Atopic Dermatitis: Analysis of Efficacy and Treatment Needs.

Acta Derm Venereol

December 2024

Hospices Civils de Lyon, South of Lyon Hospital, Allergology and Clinical Immunology Department, Pierre-Bénite, France; CIRI, International Center for Infectious Disease Research, University of Lyon, Inserm, U1111, Claude Bernard Lyon 1 University, Lyon, France.

In the era of biological treatments and small molecules, this study assessed therapeutic patient education (TPE) in managing adult atopic dermatitis (AD), focusing on disease severity, quality of life, and the use of systemic treatments. This multicentre study included 260 adult AD patients, with 184 undergoing a full TPE programme and 76 control patients. Evaluations included disease severity, quality of life (DLQI), and systemic treatment use.

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Purpose: The purpose of this study was to assess the impact of post-operative coronal plane alignment of the knee (CPAK) class change on functional outcomes and determine the rate and type of CPAK class change after image-based robotic arm-assisted (RA)-total knee arthroplasty (TKA) performed with functional alignment (FA) at two different centres.

Methods: The present retrospective, observational, multicentre study included 201 patients treated with RA-TKA between October 2020 and April 2022 at two different centres. The radiographic CPAK classification was adapted using CT images to achieve pre- and post-operative knee categorization into CPAK classes.

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Background: Nivolumab obtained approval in advanced melanoma (AM) with weight-adjusted dose (WAD) administration (3 mg/kg/2 weeks). In 2018, the dosage regimen was changed to flat dose (FD) administration (240 mg/2 weeks or 480 mg/4 weeks) based on a modeling study, without clinical data.

Methods: AM patients have been prospectively included in the French national multicenter MelBase database since 2013.

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Introduction: Improving adverse events following immunisation (AEFI) detection is vital for vaccine safety surveillance, as an early safety signal can help minimize risks. In February 2022, the World Health Organization reported a preliminary signal on sudden sensorineural hearing loss (SSNHL) following coronavirus disease 2019 (COVID-19) vaccination, 54 million persons in France received at least one dose, covering 78.8% of the population within a year.

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Background: Personalized alignment in total knee arthroplasty (TKA) has demonstrated good functional outcomes for knees with varus alignment. However, limited research has explicitly addressed optimal alignment strategies for valgus knees. The aims of the current study were to assess the impact of the postoperative knee alignment and of the degree of correction of knee alignment on functional outcomes and satisfaction in a population with preoperative valgus and to evaluate the complication and revision rates based on postoperative alignment.

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Redefining the concept of patellofemoral stuffing in total knee arthroplasty.

J ISAKOS

November 2024

Orthopaedics Surgery and Sports Medicine Department, FIFA Medical Center of Excellence, Croix-Rousse Hospital, Lyon University Hospital, Lyon, France; Univ Lyon, Claude Bernard Lyon 1 University, IFSTTAR, LBMC UMR_T9406, F69622, Lyon, France.

Article Synopsis
  • - The study aimed to evaluate how recreating the anterior space of the trochlea during total knee arthroplasty affects trochlea depth at both mid and deep flexion angles.
  • - Out of 122 patients, all had a balanced trochlea in full extension; however, more than 40% experienced overstuffing or understuffing issues in mid (32% understuffed) and deep (20.5% overstuffed) flexion.
  • - Significant differences were found in external rotation of the trochlea components between balanced and unbalanced groups at mid flexion, but not in deep flexion or other measures.
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Purpose: The dual mobility cup (DMC) reduces the dislocation rates in total hip arthroplasty (THA). DMC systems include anatomical (non-modular or monoblock) (ADM) and modular dual mobility (MDM) components (Stryker Orthopaedics, Mahwah, NJ, USA). This review aims to assess differences between these two types of DMC implants concerning dislocation and revision rates, as well as patient-reported outcomes.

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Commentary on: «Onabotulinum toxin A injections: A novel option for management of refractory nocturnal enuresis" by Tyler Overholt, Davis Temple, Adam Cohen, Anthony Atala, Marc Colaco, Steve Hodges.

J Pediatr Urol

November 2024

Claude Bernard Lyon 1 University, Lyon, France; Pediatric Uro-visceral, Thoracic and Transplantation Department, Hôpital Femme Mère Enfant, Hospices Civils de Lyon, Lyon, France; INSERM U1208 SBRI, Lyon, France; Reference Center for Rare Diseases DEVGEN (Genital Development from Fetus to Adult), Lyon, France; Reference Center for Rare Diseases MARVU (Rare Urinary Tract Malformations), Lyon, France. Electronic address:

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bioprinted 3D model enhancing osteoblast-to-osteocyte differentiation.

Biofabrication

November 2024

Laboratory of Tribology and System Dynamics,, UMR-CNRS 5513-Ecole Centrale Lyon, Ecully, Auvergne-Rhône-Alpes FR 69134, France.

Article Synopsis
  • * The study focuses on developing a bio-printed model that effectively simulates the process of human primary osteoblasts maturing into osteocytes using hydrogels that mimic the mechanical properties of bone tissue.
  • * By experimenting with different cross-linking solutions, the researchers found that a hydrogel with a low elastic modulus and specific viscoelastic traits significantly enhanced the differentiation of osteoblasts, as marked by increased enzyme activity and the formation of dendritic structures.
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Article Synopsis
  • * The study investigates the needs of individuals with CLBP and healthcare professionals regarding mHealth technologies through a three-phase user-centered design process, which includes expert workshops, focus groups, and validation via Delphi questionnaires.
  • * Findings from 121 participants revealed specific technology-related needs, leading to consensus-driven design recommendations for a mHealth device tailored to the challenges faced by those managing CLBP.
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Despite their indisputable importance in neuroblastoma (NB) pathology, knowledge of the bases of NB plasticity and heterogeneity remains incomplete. They may be rooted in developmental trajectories of their lineage of origin, the sympatho-adrenal neural crest. We find that implanting human NB cells in the neural crest of the avian embryo allows recapitulating the metastatic sequence until bone marrow involvement.

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Article Synopsis
  • Thyroid cancer rates are rising, primarily with good prognosis; aggressive cases are rare (less than 2%).
  • The study analyzed 57 patients with aggressive thyroid cancers to explore molecular profiles and mutations contributing to tumor behavior.
  • Key findings included mutations like BRAF V600E and TERT promoter, along with three new gene fusions, which could inform targeted therapies and require further research for diagnostic significance.
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Natural history of salivary gland secretory carcinoma: A REFCOR study.

Surg Oncol

December 2024

Sorbonne University, Tenon Hospital, APHP, ENT and Head and Neck Surgery Department, 4 Rue de la Chine, 75020, Paris, France. Electronic address:

Article Synopsis
  • Salivary gland Secretory Carcinoma (SC) is a rare tumor first described in 2010; a study analyzed 108 cases from the REFCOR database to evaluate diagnosis, treatment, and survival rates up to July 2021.
  • MRI was found to be ineffective for diagnosing malignancy, and while 79% of patients received a diagnosis after two histological readings, 21% needed molecular testing for confirmation.
  • Results showed high survival rates, with 91.4% overall survival and 89% recurrence-free survival at five years, suggesting a generally positive prognosis for SC patients.*
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Assessing the real-world effectiveness of 8 major metastatic breast cancer drugs using target trial emulation.

Eur J Cancer

December 2024

UMR CNRS 5558 LBBE, Claude Bernard Lyon 1 University, Villeurbanne, France; Prevention & Public Health Department, Centre Léon Bérard, Lyon, France.

Background: Demonstration of trial emulation ability to benchmark randomised controlled trials (RCTs) from real-world data (RWD) is required to increase confidence in the use of routinely collected data for decision making in oncology.

Methods: To assess the frequency with which emulation findings align with RCTs regarding effect size on overall survival (OS) in metastatic breast cancer (MBC), 8 of 13 pre-selected pivotal RCTs in MBC were emulated using data from 32,598 patients enrolled in the French ESME-MBC cohort between January 1, 2008 and December 31, 2021. Adjustment methods and confounders were selected a priori for each emulation; stabilized weight was the reference method to mitigate confounding.

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Intraoperative patellar tracking assessment during image-based robotic-assisted total knee arthroplasty: technical note and reliability study.

SICOT J

October 2024

Orthopaedics Surgery and Sports Medicine Department, FIFA Medical Center of Excellence, Croix-Rousse Hospital, Lyon University Hospital, 69004 Lyon, France - Univ Lyon, Claude Bernard Lyon 1 University, IFSTTAR, LBMC UMR_T9406, 69622 Lyon, France.

Introduction: Restoration of the anterior knee compartment is increasingly studied with the development of personalized surgery. However, evaluating the patellar tracking during the surgery is still subjective and at the surgeon's discretion. This study aimed 1) to describe the assessment of the patellar tracking during robotic-assisted total knee arthroplasty (TKA), 2) to describe a new measurement technique for evaluating the evolution of this patellar tracking, and 3) to assess its reliability and repeatability.

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Article Synopsis
  • A nationwide study in France assessed the effectiveness of fecal microbiota transplantation (FMT) for treating Clostridioides difficile infection (CDI) across 17 centers from 2018 to 2022.
  • The study found an overall FMT success rate of 84.3% with very few severe adverse events, and it identified factors linked to CDI recurrence such as severe chronic kidney disease and inadequate bowel cleansing.
  • Key factors for improving FMT success included proper manufacturing of the transplant, thorough bowel prep, and individualized delivery methods based on patient needs.
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