Publications by authors named "Blanc J"

Objective: This study investigates whether early gestational age (GA) at delivery is associated with an increased risk for severe maternal morbidity (SMM) in women with preterm delivery.

Methods: This retrospective national cohort study based on the Programme de Médicalisation des Systèmes d'Information database included mothers who gave birth between 22 and 37 weeks in metropolitan France in 2019 (in utero deaths and medical terminations of pregnancies were excluded). SMM was defined as a composite criterion consisting of the occurrence of at least one of the following events: death, severe preeclampsia, obstetric surgical complications, severe maternal diseases, and admission to the intensive care unit.

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Background: Maternal mental health is vital to overall well-being, particularly among expectant and postpartum Black and Latina women who experience higher stress levels and mental health challenges. Traditional healthcare systems often fail to meet these needs, underscoring the need for innovative and accessible interventions. NurtureVR, a digital maternal mental health and educational program, leverages virtual reality to offer mindfulness, relaxation, and guided imagery to support these women.

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Ambient mass spectrometry (MS) technologies have been applied to spatial metabolomic profiling of various samples in an attempt to both increase analysis speed and reduce the length of sample preparation. Recent studies, however, have focused on improving the spatial resolution of ambient approaches. Finer resolution requires greater analysis times and commensurate computing power for more sophisticated data analysis algorithms and larger data sets.

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Fetal death is defined as the spontaneous cessation of cardiac activity after 14 weeks gestational age (GA). Regarding prevention of fetal death in the general population, it is not recommended to counsel or prescribe rest, aspirin, vitamin A, vitamin D, or micronutrient supplementation; systematically look for nuchal cord during prenatal screening ultrasound; or perform systematic antepartum monitoring by cardiotocography for the sole purpose of reducing the risk of fetal death. It is recommended to offer vaccination against influenza in epidemic periods and against SARS-CoV-2.

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Article Synopsis
  • Patients with high-risk hormone receptor-positive, HER2-negative breast cancer (HR+ BC) show a significant risk of relapse, prompting the need for additional treatment strategies.
  • The study analyzed data from the CANcer TOxicities (CANTO) study, involving patients between 2012 and 2022, categorizing them based on various unfavorable features indicating high risk.
  • Results indicated that most patients underwent (neo)adjuvant chemotherapy and endocrine therapy; however, many discontinued treatment due to adverse events, with a 5-year survival rate reflecting the need for ongoing management in this patient group.
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Janus kinase (JAK) inhibitors have gathered interest as treatments for several inflammatory and autoimmune diseases. The four first marketed inhibitors target JAK1, with varying selectivity towards other JAK family members, but none inhibit tyrosine kinase-2 (TYK2) at clinically relevant doses. TYK2 is required for the signaling of the interleukin (IL)-12 and IL-23 cytokines, which are key to the polarization of T1 and T17 cells, respectively; two cell subtypes that play major roles in inflammatory diseases.

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Objective: To determine the factors associated with an increased risk of cesarean scar defect formation.

Methods: A systematic literature search was performed up to July 2022 in PubMed databases following the PRISMA recommendations. All available English-language clinical studies presenting one or more factors that may affect the risk of cesarean scar defect were included.

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  • The study investigates the mental health crisis in Haiti due to drug trafficking, violence, and political instability, comparing experiences between Haitian communities in Haiti and the U.S.
  • Focus groups with 28 participants revealed key stressors like violence, unemployment, and family separation, leading to mental health issues such as anxiety and depression.
  • Effective coping strategies identified included peer support, leisure activities, and spirituality, while barriers to mental health care were marked by stigma and lack of resources.
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Background: Pancreatic ductal adenocarcinoma (PDAC) has a poor prognosis. The POLO trial showed that olaparib (PARP inhibitor) improved progression-free survival (PFS) but not overall survival (OS), when used as maintenance therapy after ≥ 16 weeks of disease control with first-line platinum-based chemotherapy in patients with germline (g) BRCA 1 or 2 pathogenic variants (PV) metastatic PDAC. However, real-world data on the effectiveness of olaparib are missing.

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  • - Labor induction in France often involves using intravaginal dinoprostone (Propess®), but there's debate on whether to repeat this or switch to oxytocin if labor doesn’t start within 24 hours.
  • - The study aimed to compare the effectiveness of a second Propess® placement followed by oxytocin versus direct oxytocin in increasing vaginal delivery rates among pregnant women who didn’t respond to the first Propess®.
  • - Results showed no significant difference in vaginal delivery rates between the two methods (76.3% for the second Propess® vs. 73.8% for oxytocin), but more cesarean sections occurred in the Propess® group due to dilation issues.
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Recent single-cell transcriptomes revealed spatiotemporal programmes of liver function on the sublobular scale. However, how sexual dimorphism affected this space-time logic remained poorly understood. We addressed this by performing scRNA-seq in the mouse liver, which revealed that sex, space and time together markedly influence xenobiotic detoxification and lipoprotein metabolism.

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  • Mass spectrometry-based proteomics is a useful technology for identifying and quantifying proteins, but the presence of chimeric spectra from multiple precursor fragments can reduce its accuracy.
  • Recent experiments using a SCIEX TripleTOF instrument with a narrow isolation window of 0.1 Da showed improved spectral purity and reduced errors in identification and quantification, despite some loss in sensitivity.
  • The findings suggest that high-resolution isolation techniques could enhance the accuracy in clinical proteomics, making them valuable for precise protein analysis.
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Fetal death is defined as the spontaneous cessation of cardiac activity after fourteen weeks of amenorrhea. In France, the prevalence of fetal death after 22 weeks is between 3.2 and 4.

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  • - The study aims to improve the non-invasive classification of hepatocellular adenomas (HCA) using a diagnostic model that combines basic clinical features (age and sex) with MRI-radiomics data.
  • - Researchers analyzed MR images of HCA to extract textural features and tested their model against both qualitative and automatic analysis, resulting in varying accuracies for subtyping HCA.
  • - Findings suggest that machine learning can enhance HCA subtyping accuracy, particularly when more patients are included in future studies, indicating a promising direction for improved diagnosis and management.
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  • * The French Association for the Study of the Liver created guidelines to summarize the best practices for managing iCCA and pCCA, based on comprehensive expert analysis and voting.
  • * These guidelines cover the epidemiology of cholangiocarcinoma and outline management strategies from diagnosis to treatment, emphasizing advancements in personalized medicine and targeted therapies.
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Background: Transnational drug trafficking, political unrest, gang violence, and paramilitarism, which are pervasive in Haiti, have resulted in a mental health crisis for the broader Haitian community. This study explores the mental well-being of Haitians in Haiti and the United States by identifying barriers and facilitators to mental health through the lived experiences of men and women.

Method: Four Focus group discussions conducted in April and November 2023 engaged 28 participants (20 women and eight men) aged between 23 and 60 years from locations in Haiti (Port-au-Prince, Cite Soleil, Cayes, Cap-Haitien, Saint-Marc) and the United States.

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  • Current treatments for metastatic pancreatic ductal adenocarcinoma yield very low survival rates, prompting research into new therapies like mitazalimab combined with a modified chemotherapy regimen called mFOLFIRINOX.
  • The OPTIMIZE-1 study enrolled 70 patients across 14 hospitals in Belgium, France, and Spain to evaluate the safety and effectiveness of this combination therapy, focusing on determining the optimal dose of mitazalimab as well as measuring tumor response.
  • The trial successfully determined 900 μg/kg of mitazalimab as the recommended dose for the next phase and gathered data on the initial outcomes for the patients treated within the study timeframe from September 2021 to March 2023.
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To assess the effectiveness of culturally and linguistically tailored, peer-delivered obstructive sleep apnea education and of social support to increase adherence to physician-recommended obstructive sleep apnea evaluation among blacks. In a two-arm randomised controlled trial, we ascertained the effectiveness of peer-delivered obstructive sleep apnea education in increasing obstructive sleep apnea evaluation among 319 blacks at risk of obstructive sleep apnea (intervention = 159 and control = 160); their average age was 47 ± 12.9 years, and 41% were male.

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Introduction And Aims: The organization of healthcare pathways for neurodevelopmental disorders (NDD) relies on different levels of expertise depending on the complexity of these disorders. NDDs affect between 8% and 15% of children. Historically, national recommendations and healthcare planning measures were initially devoted to autism spectrum disorders and were gradually extended to Attention deficit hyperactivity disorder (ADHD) and specific learning and development disorders.

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Background: Perinatal mental health conditions affect 800,000 individuals annually in the United States and are a leading cause of complications in pregnancy and childbirth. However, the impact of these conditions varies across racial and ethnic groups. Portable digital solutions, such as mobile apps, have been developed for maternal mental health, but they often do not adequately cater to the needs of women of color.

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  • The TOPAZ-1 study investigated the effectiveness of durvalumab, a PD-L1 inhibitor, in combination with gemcitabine and cisplatin for treating advanced biliary tract cancer, showing significant survival benefits over the placebo.
  • Participants aged 18 or older were randomly assigned to receive either the treatment or placebo, with their quality of life measured using specific questionnaires during the study.
  • Findings from patient-reported outcomes are discussed, highlighting how the treatments impacted their quality of life based on decline metrics.
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To evaluate hyperthermic intravesical chemotherapy (HIVEC) using conductive heating and epirubicin in an optimized setting as an alternative to radical cystectomy in patients with recurrent non-muscle invasive bladder cancer (NMIBC) who have failed bacillus Calmette-Guérin (BCG) therapy. We retrospectively analyzed our prospectively recorded database of patients who underwent HIVEC between 11/2017 and 11/2022 at two Swiss University Centers. Cox regression analysis was used for univariate/multivariate analysis, and the Kaplan-Meier method for survival analysis.

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Introduction: This document is a summary of the French intergroup guidelines of the management of biliary tract cancers (BTC) (intrahepatic, perihilar and distal cholangiocarcinomas, and gallbladder carcinomas) published in September 2023, available on the website of the French Society of Gastroenterology (SNFGE) (www.tncd.org).

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  • The study investigates the effectiveness of percutaneous radiofrequency ablation (RFA) for treating intrahepatic cholangiocarcinomas (iCCA) by analyzing patient data from 2000 to 2022.
  • It finds that multibipolar RFA has a lower local recurrence rate compared to monopolar RFA (22% vs. 55%) and suggests that tumor size and liver health significantly impact survival outcomes.
  • The results indicate that patients with iCCA experience shorter overall survival than those with hepatocellular carcinoma (26 vs. 68 months), and highlight the importance of considering adjuvant chemotherapy due to high rates of distant metastases.
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  • This study investigates the effectiveness of tepotinib, a MET inhibitor, in treating hepatocellular carcinoma (HCC) with gene amplification (amp), specifically in patients showing high levels of amp (≥10). * -
  • Preclinical tests on patient-derived tumor models showed tepotinib caused nearly complete tumor regression in cases with high-level amp, while clinical trials indicated that 11 out of 15 patients with amp experienced disease control. * -
  • The findings suggest that high-level amp might drive cancer growth in HCC and that tepotinib could be an effective treatment option for these patients. *
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