Publications by authors named "Bogdan Muresan"

Heart failure (HF) creates a considerable clinical, humanistic and economic burden on patients and caregivers as well as on healthcare systems. To attenuate the significant burden of HF, there is a need for enhanced management of patients with HF. The use of digital tools for remote non-invasive monitoring of heart parameters is gaining traction, and cardiac acoustic biomarkers (CABs) have been proposed as a complementary set of measures to assess heart function alongside traditional methods such as electrocardiogram and echocardiography.

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There is currently limited data on the potential effects of tire and road wear particles (TRWP) on human health. TRWP include tire fragments, but also road wear materials, dust, adsorbed gaseous pollutants and different types of inclusions that could affect their hazard profiles. Due to their availability and lower complexity, ground tire particles (TP) are often used in toxicological studies.

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Background: Poor adherence to asthma and chronic obstructive pulmonary disease maintenance therapies impairs health outcomes. Proven and cost-effective programs to promote adherence and persistence are not yet in regular widespread use. Implementation costs are a potential barrier to uptake of such programs.

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This study aims to examine tire and road wear particle (TRWP) emissions under realistic conditions in order to provide some valuable insights into understanding their sources and fate in the environment. TRWP emissions were evaluated with a fully instrumented vehicle driving on five representative road types: urban, ring road, suburban, highway, and rural. Multiple vehicle dynamic variables were recorded to assess the factors influencing these emissions.

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Non-exhaust emissions are now recognized as a significant source of atmospheric particulate matter and the trend towards a reduction of conventionally fueled internal combustion engine vehicles on the road is increasing their contribution to air pollution due to lower exhaust emissions. These particles include brake wear particles (BWP) and tire-road contact particles (TRCP), which are composed of tire wear particles (TWP), road wear particles (RWP) and resuspended road dust (RRD). The goal of this study has therefore been to design an original experimental approach to provide insight into the chemical composition of particles emitted at the tire-road contact, focusing on the micron (PM) and submicron (PM) fractions.

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Article Synopsis
  • Inflammatory bowel disease (IBD) leads to significant social and economic challenges, prompting an analysis of the budget impact of using a new subcutaneous formulation of vedolizumab for maintaining ulcerative colitis (UC) treatment in France.
  • A decision-analytic model was created to compare the costs of including vedolizumab SC as maintenance therapy against existing treatment options, predicting total drug, medical, and indirect costs over a five-year period.
  • Results showed that incorporating vedolizumab SC could save over €59 million for biologic-naïve patients and nearly €22 million for those already on biologics, indicating strong financial benefits for French health plans.
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Despite favorable results of CAR T-cell therapy for relapsed/refractory large B-cell lymphoma (R/R LBCL), several challenges remain, including incomplete response, immune-mediated toxicity, and antigen-loss relapse. We delineated the relative clinical benefit of the novel approaches compared to the currently approved CAR T-cell therapies. In the absence of head-to-head comparisons and randomized controlled trials, we performed Matching Adjusted Indirect Comparisons to quantify the relative efficacy and safety of experimental CARs against Axicabtagene ciloleucel (Yescarta), the first FDA-approved CAR.

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relapsed and/or refractory acute myeloid leukemia (rrAML) has limited treatment options for patients not eligible ('unfit') to receive intensive chemotherapy-based interventions. The authors aimed to summarize outcomes for licensed therapies in this setting. A systematic literature review identified licensed therapies in this setting.

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To evaluate adherence, healthcare resource utilization (HRU) and costs for glatiramer acetate (GA; injectable), dimethyl fumarate (oral) and teriflunomide (oral) in relapsing multiple sclerosis. Retrospective analyses of a claims database. Teriflunomide patients were older with more co-morbidities and fewer relapses versus GA and dimethyl fumarate.

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Assess the suitability of standard parametric, piecewise and mixture cure models (MCMs) for modeling long-term survival of acute myeloid leukemia patients achieving remission following treatment with gemtuzumab ozogamicin (GO) + standard chemotherapy (SC) or SC alone. MCMs can model survival data comprising of statistically cured (patients in long-term remission) and uncured patients. Models were fit to patient-level data corresponding to individual treatment arms.

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Objective: Bosutinib, nilotinib and dasatinib are approved for the treatment of patients with newly diagnosed chronic-phase chronic myeloid leukemia (CP-CML). In the absence of head-to-head comparisons between second-generation tyrosine kinase inhibitors (TKIs), the objective of this study was to indirectly compare the efficacy of bosutinib with nilotinib and dasatinib in first-line (1L) CP-CML.

Methods: Cross-trial heterogeneity in terms of patient baseline characteristics and imatinib dose escalation are difficult to adjust for in network meta-analyses and anchored matching-adjusted indirect treatment comparisons (MAICs).

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Bortezomib is a first-in-class proteasome inhibitor, approved for the treatment of multiple myeloma. The originally approved dosing schedule of bortezomib results in significant toxicities that require dose interruptions and discontinuations. Consequentially, less frequent dosing has been explored to optimise bortezomib's benefit-risk profile.

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In clinical trials of second-line therapies for chronic phase chronic myeloid leukemia (CP-CML), to date, only single-arm trials have been conducted for the available tyrosine kinase inhibitor treatments (bosutinib, dasatinib and nilotinib). These trials included heterogeneous patient populations in terms of disease and baseline characteristics. These hamper the use of standard network meta-analyses for indirect treatment comparison of relative efficacy.

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The classic features of molar pregnancy are irregular vaginal bleeding, hyperemesis, enlarged uterus for gestational age and early failed pregnancy. Less common presentations include hyperthyroidism, early onset pre-eclampsia or abdominal distension due to theca lutein cysts. Here, we present a case of molar pregnancy where a woman presented to the emergency department with symptoms of acute abdomen and was treated as ruptured ectopic pregnancy.

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This study investigated, on both metric and centimetric scales, mercury (Hg) transformations and dynamics within a water column chemocline of a tropical reservoir. Data collected included conventional measurement of Hg in water samples, diffusive gradients in thin-films (DGT) assessments, and thermodynamic speciation modeling in order to portray the biogeochemical processes that control elemental Hg (EM) and dissolved monomethylated Hg (MeHg) production. The primary contribution of this study is demonstration that the DGT technique can be successfully implemented to examine labile Hg compound mobilization, and estimation of how local substratum facilitates Hg reduction and methylation reactions.

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Soils are playing a central role in the transfer and accumulation of anthropogenic pollutants in urbanized regions. Hence, this study aimed at examining the contamination levels of selected soils collected within and around the Paris conurbation (France). This also evaluated factors controlling contamination.

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Roadside contamination (of air, soils and organisms) by polycyclic aromatic hydrocarbons (PAHs) was examined in an arable field and a mature forest (central France). Measured contents accounted for minute fractions of the cumulative vehicular exhaust emissions. The fate of vehicular PAHs was affected by many factors, including: atmospheric load dispersal, deposition on soils and vegetation, incorporation into water and organic matter cycles, and accumulation in species.

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Article Synopsis
  • Elemental mercury used by artisanal gold miners in South America contaminates freshwater ecosystems, prompting a study on its chemical behavior and bioavailability.
  • A 28-day experiment revealed that mercury levels in water were 25 times higher in sediment-free environments compared to those with sediment, affecting both dissolved gaseous and oxidized forms of mercury.
  • Zebrafish showed significant mercury accumulation, with higher levels in sediment-free setups, while sediment presence led to increased methylmercury in fish organs and changes in bacteria communities related to mercury exposure.
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The Petit-Saut hydroelectric reservoir was filled in 1994 on the Sinnamary River in French Guiana (Amazonian basin). Flooding of the equatorial rain forest led to anoxia in most of the water column and enhanced mercury methylation in the reservoir hypolimnion. We selected the benthivorous/omnivorous fish species Curimata cyprinoides to investigate total mercury and methylmercury (MeHg) bioavailability and bioaccumulation capacities in the reservoir and downstream in the Sinnamary River.

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