Publications by authors named "F. Ferre"

Background: Historically, women have been shown to underestimate their abilities, while men often assess themselves more accurately or overestimate. This study aims to determine self-assessment accuracy during online Objective Structured Clinical Examinations (OSCEs) according to gender.

Methods: A prospective study was conducted among fourth-year medical students at Paris Cité University during faculty training OSCEs, utilizing Zoom® software for remote participation.

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Background And Objectives: The dynamics of microstructural spinal cord (SC) damage and repair in people with multiple sclerosis (pwMS) and their clinical relevance have yet to be explored. We set out to describe patient-specific profiles of microstructural SC damage and change during the first year after MS diagnosis and to investigate their associations with disability and SC atrophy at 5 years.

Methods: We performed a longitudinal monocentric cohort study among patients with relapsing-remitting MS: first relapse <1 year, no relapse <1 month, and high initial severity on MRI (>9 T2 lesions on brain MRI and/or initial myelitis).

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This study compared the effect of a 7-day estradiol- and a 7-day GnRH-based FTAI protocol versus a presynchronized GnRH-based FTAI protocol (7 & 7 GnRH) on pregnancy per AI (P/AI) in multiparous postpartum Angus cows. Cows were blocked according to presence/absence of a CL, body condition score, and days postpartum and assigned randomly to one of three treatments: I) 7-day EB (n = 368), estradiol benzoate (EB) and intravaginal progesterone-(P4)-releasing device (IVPD) on Day -10, prostaglandin F (PG), equine chorionic gonadotropin (eCG) and estradiol cypionate (ECP) at IVPD removal on Day -3 with FTAI done on Day -1 (54 ± 2 h after IVPD removal); II) 7-day GnRH (n = 367), GnRH at IVPD insertion on Day -10, PG and eCG at IVPD removal on Day -3 with GnRH and FTAI on Day 0 (66 ± 2 h after IVPD removal); and III) 7 & 7 GnRH (n = 361), PG at IVPD insertion on Day -17, GnRH on Day -10, IVPD removal, PG and eCG on Day -3 with GnRH and FTAI on Day 0 (66 ± 2 h after IVPD removal). Preovulatory follicle diameter, corpus luteum (CL) presence, CL area, and P4 concentration were determined at IVPD removal, as well as estrus expression at FTAI and P/AI between 35 and 40 days after FTAI.

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The highly prevalent metabolic dysfunction-associated steatohepatitis (MASH) is associated with liver steatosis, inflammation, and hepatocyte injury, which can lead to fibrosis and may progress to hepatocellular carcinoma and death. New treatment modalities such as gene therapy may be transformative for MASH patients. Here, we describe that one-time intramuscular administration of adeno-associated viral vectors of serotype 1 (AAV1) encoding native fibroblast growth factor 21 (FGF21), a key metabolic regulator, resulted in sustained increased circulating levels of the factor, which mediated long-term (>1 year) MASH and hepatic fibrosis reversion and halted development of liver tumors in obese male and female mouse models.

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Background: Mechanical thrombectomy (MT) is an effective treatment for acute ischemic stroke from large vessel occlusion (LVO). While embolization to a new territory (ENT) after MT is well-documented, data on embolization in the same distal territory (EDT) are limited. Achieving modified Treatment In Cerebral Infarction (mTICI) 3 reperfusion presents significant clinical benefits over mTICI 2b/2c, necessitating strategies to reduce both ENT and EDT.

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  • * A study involving 30 Togolese female sex workers analyzed 156 HPV genome sequences from cervical and anal swabs, revealing identical infections but varying genetic diversity across HPV types and sites.
  • * Low-risk HPVs showed more mutations induced by APOBEC3 in the E4 and E6 genes compared to high-risk HPVs, which had fewer mutations, suggesting different cancer risk potentials among HPV types.
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Introduction: Cabotegravir, an integrase strand transfer inhibitor, and rilpivirine, an NNRTI, constitute the first long-acting (LA), injectable, two-drug ART regimen approved for the maintenance of virological suppression in persons living with HIV-1 (PLHIV). The aim of this study was to assess clinical effectiveness and tolerability of LA cabotegravir/rilpivirine in a real-world setting.

Patients And Methods: We conducted a retrospective, single centre study, including all PLHIV receiving LA cabotegravir/rilpivirine as standard-of-care in our tertiary centre even if initiated in clinical trials.

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  • Endotracheal intubation (ETI) is crucial for critically ill patients
  • , but it has risks like hypoxemia; preoxygenation is used to enhance safety but can have unreliable monitoring through standard pulse oximeters (SpO2).
  • The Oxygen Reserve Index (ORI)
  • is proposed as a more reliable continuous measure during preoxygenation, targeting an ORI value of at least 0.6 over one minute instead of the standard SpO2 100% goal to improve outcomes.
  • A trial with 950 critically ill adults
  • will compare ORI monitoring against standard SpO2 monitoring during ETI; outcomes include the lowest SpO2 during intubation and cognitive
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  • Human metapneumovirus (hMPV) is a major cause of respiratory infections, and this study focused on adult patients with hMPV-related lower respiratory tract infections to evaluate their clinical features and outcomes.
  • A total of 208 patients were studied, with a median age of 74 years; most patients had coexisting health issues, and common symptoms included difficulty breathing and cough, while pneumonia was the most frequent diagnosis.
  • The study found that 18% of patients had a complicated course requiring intensive care, with a notable increased risk in those with bacterial coinfections, suggesting the need for careful monitoring and potential early intervention in this population.
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Background: In Togo, few data are available on viral hepatitis in street adolescents, a vulnerable population due to their lifestyle. The aim of this study was to describe the lifestyle of street adolescents (sexual practices and drug use), to estimate the prevalence of hepatitis B and C viruses, and to describe their HBV immunization profile in Togo.

Methods: A cross-sectional study was conducted in Lomé (Togo) in July 2021.

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Background: Hypophosphatemia has been reported to impair diaphragmatic function in patients with chronic obstructive pulmonary disease (COPD). However, little is known about the role of dysphosphatemia at admission [plasmatic phosphate concentration at intensive care unit (ICU) admission (T0-Ph)] to the ICU and respiratory outcomes among patients with severe acute COPD exacerbation. We aimed to assess the value of T0-Ph as a predictive factor of invasive mechanical ventilation (MV) during ICU stay.

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  • Multiple sclerosis (MS) is a diverse condition with varying symptoms and treatment responses, prompting a study on its genetic causes related to disease activity over time.
  • Researchers analyzed genetic data from two groups of relapsing-remitting MS patients, examining their genomes and specific gene interactions in brain and lymphocyte tissues to identify key genetic variants and pathways involved in MS.
  • The study found 23 genetic variants and 223 associated genes, with significant genes such as PON2 and ILRUN linked to oxidative stress and immune modulation, revealing shared and tissue-specific mechanisms driving MS disease activity.
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  • Autoimmune polyendocrine syndrome type 1 (APS-1) is a severe genetic disorder resulting from AIRE deficiency, leading to self-reactive T cells causing autoimmune damage in various organs.
  • The study investigated the role of interferon-γ in APS-1 by analyzing patient samples and conducting experiments with mice, finding that high levels of interferon-γ correlate with disease activity.
  • Treatment with the JAK inhibitor ruxolitinib significantly reduced interferon-γ levels and improved symptoms in APS-1 patients, suggesting that targeting this pathway may be a viable therapeutic approach.
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Despite the record-breaking discovery, development and approval of vaccines and antiviral therapeutics such as Paxlovid, coronavirus disease 2019 (COVID-19) remained the fourth leading cause of death in the world and third highest in the United States in 2022. Here, we report the discovery and characterization of PF-07817883, a second-generation, orally bioavailable, SARS-CoV-2 main protease inhibitor with improved metabolic stability versus nirmatrelvir, the antiviral component of the ritonavir-boosted therapy Paxlovid. We demonstrate the pan-human coronavirus antiviral activity and off-target selectivity profile of PF-07817883.

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We evaluated Ibalizumab (IBA)-containing standardized optimized salvage regimen (with or without a 4-week foscarnet induction) in individuals harboring multidrug-resistant human immunodeficiency virus type 2 (HIV-2). Nine were included; 2 achieved virological suppression after foscarnet induction with a sustained suppression at Week 24 after IBA initiation, and an additional individual at Week 24 after Ibalizumab initiation.

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Background: Advances in high-throughput sequencing (HTS) technologies and reductions in sequencing costs have revolutionised the study of genomics and molecular biology by making whole-genome sequencing (WGS) accessible to many laboratories. However, the analysis of WGS data requires significant computational effort, which is the major drawback in implementing WGS as a routine laboratory technique.

Objective: Automated pipelines have been developed to overcome this issue, but they do not exist for all organisms.

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A growing body of research suggests that sexual minority men (SMM) experience greater body image concerns including body shame, body surveillance, drive for muscularity and drive for thinness than heterosexual men. However, little is known regarding the potential factors that can buffer these relationships. The aim of the present study was to examine the role that both self-compassion and relationship status may play in decreasing the strength of the relationship between sexual minority status and body image concerns.

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  • - The study assessed XAV-19, an antibody treatment, for hospitalized COVID-19 patients with severe symptoms, focusing on its safety and effectiveness in preventing death or serious respiratory failure.
  • - Conducted across 34 hospitals in France, the trial involved 398 adult patients who were randomly assigned to receive either XAV-19 or a placebo, with no major differences in outcomes observed between the two groups after 15 days.
  • - Findings revealed that treatment with XAV-19 did not lead to a significant reduction in the incidence of severe health complications compared to placebo, and adverse events were similarly reported in both groups.
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Background: Non-ischemic cerebral enhancing (NICE) lesions following aneurysm endovascular therapy are exceptionally rare, with unknown longitudinal evolution.

Objective: To evaluate the radiological behavior of individual NICE lesions over time.

Methods: Patients included in a retrospective national multicentric inception cohort were analyzed.

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Fixed-timed artificial insemination (FTAI) protocols for beef cattle in South America are primarily based on estradiol esters and intravaginal progesterone-releasing devices (IVPD). The objective of this study was to determine the optimal gonadotropin-releasing hormone (GnRH)-based protocol as an alternative to the use of estrogen-based protocols in grazing suckling beef cows. All cows received an IVPD on the day of protocol initiation and prostaglandin F (PG) plus equine chorionic gonadotropin (eCG) treatments at the time of IVPD removal.

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  • Respiratory syncytial virus (RSV) significantly impacts respiratory health in older adults and those with risk factors, leading to increased interest in detecting and managing the virus effectively.!* -
  • The review aims to provide healthcare professionals with updated insights into RSV's prevalence, recent clinical trials on vaccines, and information about current and developing treatments.!* -
  • As the understanding of RSV in adults improves, new preventive and therapeutic approaches are emerging to better address this public health concern.!*
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According to Newton's laws, the weight of a body part is equal to its mass times gravitational acceleration. Our experience of body part weight, however, is constructed by the central nervous system. No sensory receptors directly specify the weight of body parts, and the factors influencing perceived weight remain unknown.

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Background: Expansion of antimicrobial resistance monitoring and epidemiological surveillance are key components of the WHO strategy towards zero leprosy. The inability to grow Mycobacterium leprae in vitro precludes routine phenotypic drug susceptibility testing, and only limited molecular tests are available. We evaluated a culture-free targeted deep sequencing assay, for mycobacterial identification, genotyping based on 18 canonical SNPs and 11 core variable-number tandem-repeat (VNTR) markers, and detection of rifampicin, dapsone and fluoroquinolone resistance-associated mutations in rpoB/ctpC/ctpI, folP1, gyrA/gyrB, respectively, and hypermutation-associated mutations in nth.

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In May 2022, several countries reported mpox cases from patients without history of traveling to endemic areas. France was one of the most affected European countries by this outbreak. In this study, the clinical characteristics of mpox cases in France were described, and the genetic diversity of the virus was studied.

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