A national platform for Covid-19 vaccine studies recruitment in France: Covireivac volunteer's characteristics.

During the Covid-19 pandemic, the urgent need for safe and effective vaccines has led to many vaccine trials, implying fast and extensive recruitment of volunteers. In France, until 2020, vaccine clinical research participants were usually recruited locally, through center-based pools of volunteers, and local communication plans. Covireivac is a French public online platform launched on 10/01/2020 that enables national, large-scale recruitment of volunteers for Covid-19 vaccine studies. On the Covireivac website, all adult participants registered online, gave their informed consent, and filled out two online forms with information on their identity, health status (comorbidities, treatments), and known exposure to SARS-CoV-2. Since July 2021, volunteers could mention if their children are interested in participating in a Covid-19 vaccine trial. The objective of this work is to describe Covireivac's volunteer characteristics registered from 10/01/2020 to 11/02/2022. To identify independent volunteer characteristics associated with a period of registration we performed a multivariate logistic regression. Among 54,424 registrations, 52,391 (96%) were analysed; 61% were male (n = 31,893), median age was 50 y; 13% (n = 6586) were healthcare workers. At registration, 15,879 volunteers (33%) reported at least one comorbidity, among whom 16% (n = 7349) were obese and 17% (n = 8346) had hypertension. Most volunteers registered during the first month (n = 35,876, 66%). The Covireivac platform allowed quick and large recruitment of potential volunteers for Covid-19 vaccine trials and could be used on a larger scale for vaccine trials in France. It could facilitate recruitment in vaccine trials and provide sponsors with better visibility of the recruitment capacities of clinical research centers.

[Frailty syndrome: evaluation of its knowledge and screening tools by general medicine interns]. / Syndrome de fragilité : évaluation des connaissances et de ses outils de dépistage concernant les internes de médecine générale.

Screening and management of frail elderly patients is essential in general practice. OBJECTIVE: This study aims to describe and evaluate the knowledge about frailty, its screening tests and management in a population of general practice interns. METHOD: A prospective, descriptive and mono-centric study using an online survey was conducted. The 2018's promotion of general practice interns in Rouen's University participated. Evaluation of the general knowledge (e.g diagnostic criteria) and specific knowledge (e.g ranking different conditions such as: undernourishment leading to asthenia) and management algorithm (e.g to address the patient for geriatric evaluation) Results: 90 questionnaires were analyzed. Ten interns (11%) stated to know at least one screening test or to know a set of 4 major frailty criteria. Thirty four interns knew at least 4 frailty criteria (major or minor) and 46 interns had partial knowledge. Fried's phenotype was the most known. Seventy-five interns (83%) stated to know the frailty syndrome. However, 88% of the interns had little knowledge about its pathophysiology. Concerning frailty management, 78% (70 interns) stated to know how to screen frailty and prescribe first line treatments. Thirty-one among them knew how to reassess initial treatment if failure. In 59 interns (65%), identifying frailty would have led to a geriatric consultation. Seventy-nine interns (87%) were favorable to go through further training on frailty. CONCLUSION: These general practice interns were able to identify frailty criterion but, in contrast, global understanding of the syndrome was missing. Further training about this topic seems to be necessary.

Analysis of Publication Trends in Childhood Obesity Research in PubMed Since 1945.

Background: Childhood obesity (CO) has become a true epidemic and a subject of increasing publications. The aim of this study was to assess if the number of publications in that field increases over time in proportion to the epidemic, and also according to socioeconomic factors. Methods: A PubMed search was carried out to extract articles related to CO published between 1945 and 2017. Data were downloaded from PubMed and processed through a dedicated parser. Socioeconomic data were collected from international organizations. Results: Overall, 36,554 articles were retrieved among 3329 journals, one-third of them being concentrated in 44 journals. The annual growth rate of publications on CO was on average 11.6% per year between 1990 and 2016, whereas the growth rate of articles on pediatrics or of the total articles indexed in MEDLINE was 2.6% and 4.4%, respectively. The most productive countries were the United States (37.80%), the United Kingdom (6.24%), and Italy (4.56%). There was a significant relationship between publications on CO in a country and prevalence of CO in that country (p = 0.002) and between evolution of the number of publications and evolution of the Human Development Index (p = 0.01). Following exponential growth, CO publications reached a plateau in 2013, whereas publications targeted on obesity in infants continue to increase. Conclusions: Research on CO has risen markedly in the last two decades, with a higher growth rate than biomedical research overall, as a result of the worldwide obesity epidemic and also due to specific socioeconomic factors.

Trends and topics in occupational diseases over the last 60 years from PubMed.

Objectives The purpose of this study was to provide an analysis of scientific production on occupational diseases (OD) during the period 1945-2015 in order to describe publication trends on that topic and identify the major diseases as well as the predominant actors (journals, countries) involved in this field. Methods A PubMed search was carried out to extract articles related to occupational diseases during the period 1 January 1945 to 31 December 2015 using a specific query. Data were downloaded from PubMed in Extensible Markup Language (XML) and processed through a dedicated parser. Results A total of 160 025 articles were retrieved from 7127 journals. One third of these articles were published in 39 journals: the core journals according to Bradford's law. Following exponential growth, OD publications reached a plateau in 2007. The overall dynamics of the OD field are heterogeneous with differences between subfields: psychological diseases emerged in the 1990s while "traditional" OD are less studied nowadays. Despite a sharp decrease in the proportion of publications, the most productive country remains the USA with 14.5% of the OD publications over the period but Scandinavian countries are, proportionally, the most active in research and publication on OD. Conclusions The proportion of publications on OD is decreasing in Medline, except for specific subfields of OD. This is discrepant with the global burden of occupational diseases.