Publications by authors named "Bagnis C"

Anaemia is common in chronic kidney disease (CKD) and has a significant impact on quality of life (QoL), work productivity and outcomes. Current management includes oral or intravenous iron and erythropoiesis-stimulating agents (ESAs), to which hypoxia-inducible factor prolyl hydroxylase inhibitors (HIF-PHIs) have been recently added, increasing the available therapeutic options. In randomised controlled trials, only intravenous iron improved cardiovascular outcome, while some ESAs were associated with increased adverse cardiovascular events.

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Article Synopsis
  • Lung transplantation often faces challenges due to acute or chronic rejection, linked to the presence of HLA donor-specific antibodies and other autoantibodies.
  • Non-classical HLA molecules, such as HLA-G, play a role in immune acceptance of lung grafts; certain isoforms are associated with poorer outcomes in transplants.
  • The study aimed to investigate HLA-G antibody prevalence in lung transplant recipients, finding specific antibody reactivity rare, with non-specific responses indicating possible issues with autoantigens in the testing cells.
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Introduction: Multi-receptor tyrosine kinase inhibitors with anti-angiogenic activity, particularly lenvatinib, have become the standard treatment for radioiodine-refractory metastatic differentiated thyroid cancer but are associated with a high incidence of toxicity. Although patients treated with lenvatinib have been shown to have a significant improvement in progression-free survival, lenvatinib-associated toxicity may result in dose reductions, dose interruptions or even complete lenvatinib withdrawal, compromising anti-tumor efficacy.

Areas Covered: The article covers the main cardiological and renal toxicities of lenvatinib, including hypertension, prolonged QT interval, heart failure, arterial and venous thromboembolic events, proteinuria and renal failure, and proposes appropriate management of these events during lenvatinib therapy.

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The objective of this study was to determine the proportion of phase 3 clinical trials investigating a systemic therapy for patients with prostate, breast, lung, or colorectal cancer that excluded patients with Chronic Kidney Disease (CKD) and the exclusion criteria chosen, if any. A search was conducted using the ClinicalTrials.gov database to identify eligible studies.

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This paper presents the design of an autonomous tracking device to enhance understanding of ambulatory peritoneal dialysis. The resulting tool aims to serve as a framework for research analysis and a decision support for treatment adjustments in peritoneal dialysis.

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Chronic kidney disease (CKD) is a comorbidity of major clinical significance amongst people living with HIV (PLWHIV) and is associated with significant morbidity and mortality. The prevalence of CKD is rising, despite the widespread use of antiretroviral therapy (ART) and is increasingly related to prevalent non-infectious comorbidities (NICMs) and antiretroviral toxicity. There are great disparities evident, with the highest prevalence of CKD among PLWHIV seen in the African continent.

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Background: The objective was to examine the role of a sustained virological response (SVR) on major adverse cardiovascular events (MACEs) in patients with compensated hepatitis C virus (HCV) cirrhosis.

Methods: Patients with the following criteria were enrolled in 35 French centers: (1) biopsy-proven HCV cirrhosis; (2) Child-Pugh A; (3) positive viremia; and (4) no prior liver complication, and then prospectively followed. All patients received HCV treatment after inclusion.

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Article Synopsis
  • - Tenofovir disoproxil fumarate is a key HIV treatment linked to nephrotoxicity, prompting the development of tenofovir alafenamide, which shows better renal safety in studies.
  • - Research indicates that tenofovir alafenamide has better renal tolerance due to lower plasma concentrations compared to its predecessor, but uncertainties remain about potential nephrotoxicity accumulation and its safety in patients with chronic kidney disease.
  • - While tenofovir alafenamide is promising, further "real-world" studies and long-term safety assessments are necessary to determine its viability for broader use in HIV treatment.
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Acute renal failure (ARF) in adults in the intensive care unit (ICU) often evolves in a context of multiple organ failure, which explains the high mortality rate and increase treatment needs. Among, two modalities of renal replacement therapy, peritoneal dialysis (PD) was the first modality used for the treatment of ARF in the 1950s. Today, while PD is generalized for chronic renal failure treatment, its use in the ICU is limited, particularly, due to the advent of new hemodialysis techniques and the development of continuous replacement therapy.

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Introduction: Mindful clinicians are resilient and more likely to provide patient-centered care. We aimed to enhance clinicians' well-being by offering a Mindfulness-Based Stress Reduction (MBSR) course that teaches mindfulness and stress management and then determine whether this impacted their subsequent medical encounters.

Methods: In a longitudinal cohort study with 27 clinicians, MBSR was taught by a certified instructor.

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Introduction: Despite antiretroviral (ARV) therapy reducing renal disease in human immunodeficiency virus overall, there is concern that certain ARVs, particularly tenofovir disoproxil fumarate (TDF) with or without a boosted protease inhibitor (PI), may reduce renal function over time. It is not known whether effects seen with PI-based regimens are independent, result from interactions with TDF coadministration, or are artefactual owing to inhibition of renal tubular creatinine transport by ritonavir or cobicistat pharmacoenhancement. The aim of this review was to conduct a systematic review of studies, weighted toward high-quality evidence, examining changes in renal function over time with PI-based regimens.

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In the field of transfusion, controlling expression of blood group system antigens on the surface of RBCs has been envisioned as a major research objective for five decades. With the advent of gene transfer techniques in the 1980s, genetic manipulation acquired the tools and know-how necessary to propose this goal along with other strategies. Besides the use of gene transfer to study blood group antigens and to develop tools for transfusion purposes, since the beginning of the new millennium, technological advances in combination with the recognition of the clinical potential of gene transfer have led the transfusion domain into development of cell therapy approaches for therapeutic purposes based on genetic manipulation.

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Urinary tract infections occur more frequently in diabetic patients than in the general population, with a relative risk ranging from 1.5 to 4, depending on the type of infection. The reasons underlying this higher susceptibility have not been established with certainty; urine glucose excression (which could facilitate bacterial urinary proliferation), immunodeficiency, a modified urothelium (resulting in a higher bacterial adhesion), and chronic neurologic bladder dysfunction have been advocated.

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Recurrent urinary tract infection involves mainly women and exhibits an ecological as well as economical risk. 4% of all urinary tract infection are recurrent and usually secondary to general or local abnormalities. A multidisciplinary medical and surgical team (urology, nephrology, bacteriology, infectious disease) best performs diagnosis and treatment as well as rules out reversible etiology.

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Urinary tract infections in adults are frequent and can induce several septic situations. Their economic cost (drugs, microbiologic samples, consultations and/or hospitalizations and stop working) and ecologic cost (second reasons of antibiotic prescription in winter and first in the rest of the year) are important. A better respect of recommendations can improve the outcome of this different infections and decrease their cost.

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We report a case of hypercalcemia in a female patient who was restarted on hemodialysis 22 years after renal transplantation. Graft biopsy showed chronic post-transplant nephropathy. Treatment with immunosuppressants and steroids was maintained owing to residual graft function.

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Many gene therapy strategies rely on lentiviral-mediated transfer and expression of genes coding for toxic proteins. Methods of controlling transgene expression in target cells have been extensively investigated, but comparatively little attention has been given to controlling toxic protein expression in viral vector-producing cells, despite its potential implications for viral production and transduction efficiency. In this work, we tested a new lentiviral vector with a backbone that inhibits transgene mRNA polyadenylation and subsequent transgene expression in vector-producing cells.

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Identification of molecular mechanisms involved in generation of different types of adipocytes is progressing substantially in mice. However, much less is known regarding characterization of brown (BAP) and white adipocyte progenitors (WAPs) in humans, highlighting the need for an in vitro model of human adipocyte development. Here, we report a procedure to selectively derive BAP and WAPs from human-induced pluripotent stem cells.

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