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ry.Fibromyalgia is a common chronic pain pathology with an incidence of 4.3 per 1,000 person-years. An open, randomized clinical trial of patients with fibromyalgia comparing an immediate vs. delayed 18-day spa therapy in five spa therapy care facilities in France enrolled 220 patients. Randomization was in blocks of four, stratified by center, severity of fibromyalgia and previous spa therapy. Patients continued usual treatment. The main endpoint was the number of patients achieving minimal clinically important difference at 6 months, defined as 14% change in their baseline fibromyalgia impact questionnaire score. The intention-to-treat analysis included 100 and 106 patients in the intervention and control groups, respectively. At 6 months, 45/100 (45.0%) and 30/106 (28.3%) patients in the intervention and control groups, respectively, achieved a minimal clinically important difference (P= .013). There was also a significant improvement in pain, fatigue, and symptom severity (secondary outcomes) in the intervention group but not for generic quality of life (QOL), sleep or physical activity. None of the 33 serious adverse events reported by 25 patients were related to the spa therapy. Our results demonstrate the benefit of spa treatment in patients with fibromyalgia. PERSPECTIVE A 12-month, open, randomized clinical trial of 220 patients with fibromyalgia compared an immediate versus delayed (ie, after 6 months) 18-day spa therapy. The results showed a clinically significant improvement at 6 months for those who received immediate therapy which was maintained up to 12 months. TRIAL REGISTRATION NUMBER ClinicalTrials.gov NCT02265029.

People with chronic pain may be particularly vulnerable to the impact of the pandemic COVID-19, and psychological flexibility may protect them. This study investigates psychological functioning in the context of COVID-19, including fear and avoidance in the context of COVID-19, specifically its association with daily functioning, and the role of psychological flexibility, among people with chronic pain.

Responses from 555 adults with chronic pain were collected through a cross-sectional online survey and analyzed.

Eight out of 10 participants reported significant depression and nearly 9 out of 10 reported significant functional impairment. COVID-19-related fear and avoidance significantly correlated with pain, pain-related disability, depression, and work and social adjustment (r = 18-.32), as well as psychological flexibility processes, including pain acceptance, self-as-context, and committed action, |r|=.13-.30. COVID-19-related fear and avoidance and COVID-19-related interference were significant pr implication of COVID-19 and its association with broader emotional and daily functioning in people with chronic pain. It also demonstrates that Psychological flexibility may have a role in these associations for people with chronic pain in the pandemic.Central post-stroke pain (CPSP) is a disabling condition in stroke patients. It is a type of neuropathic pain for which the mechanism and relevant drug pathways remain unknown. Inflammatory response and central disinhibition have been suggested recently. Our previous research has shown targeting P2X4 receptors (P2X4R) may be effective in the treatment of CPSP, but the downstream pathway of the P2X4R has not been studied. In this study, we found the increase in tumor necrosis factor alpha (TNF-α) level and endocytosis of surface gamma-aminobutyric acid a receptors (GABAaR) in CPSP, and these effects were inhibited by blocking P2X4R. Furthermore, antagonizing TNF-α can increase surface GABAaR expression and mechanical pain threshold. Meanwhile, knocking down TNFR1 but not TNFR2 reversed the endocytosis of surface GABAaR and alleviated mechanical allodynia. Thus, the neuropathic pain was mediated, in part, through P2X4R/TNF-α/TNFR1/GABAaR signaling, which was induced after stroke. PERSPECTIVE P2X4R regulates the pathophysiological mechanism of CPSP through central disinhibition mediated by TNF-α/TNFR1. Our results suggest that modulation of P2X4R-TNF-α/TNFR1-GABAaR signaling could provide a new therapeutic strategy to treat CPSP.

Improving HIV diagnosis, access to care and effective antiretroviral treatment provides our global strategy to reduce HIV incidence. To reach this goal we need to increase our knowledge about local epidemics. HIV infection dates would be an important information towards this goal, but they are largely unknown. To date, methods to estimate the dates of HIV infection are based mainly on laboratory or molecular methods. Our aim was to validate molecular clock inferred infection dates that were estimated by analysing sequences from 145 people living with HIV (PLHIV) with known transmission dates (clinically estimated infection dates).

All HIV sequences were obtained by Sanger sequencing and were previously found to belong to well-established molecular transmission clusters (MTCs).

Our analysis showed that the molecular clock inferred infection dates were correlated with the clinically estimated ones (Spearman's Correlation coefficient = 0.93, p < 0.001) and that there was an agreement between them (Lin'slusters provides a reliable approximation of HIV infections for PLHIV infected within MTCs. Next-generation sequencing data and molecular clock estimates based on heterochronous sequences provide, probably, more reliable methods for inferring infection dates. However, since these data are not available in most of the HIV clinical laboratories, our approach, under specific conditions, can provide a reliable estimation of HIV infection dates and can be used for HIV public health interventions.The pandemic spread of Coronavirus Disease 2019 (COVID-19) is still ongoing since severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is identified as the etiologic pathogen late December 2019. After over six-month spread of COVID-19, SARS-CoV-2 causes critical threats to global public health and economy. OSS_128167 inhibitor The investigations on evolution and genotyping on genetic variations are of great importance, therefore, the present study characterized the molecular variation of SARS-CoV-2 by analyzing 4230 complete genome sequences from the worldwide samples collected during the first 6-month pandemic. Phylogenetic tree analysis with Neighbor-Joining and Maximum-Parsimony methods indicated that the haplotypes of SARS-CoV-2 genome sequences were classified into four clades with the unique nucleotide and amino acid changes T27879C (ORF8 L84S) in clade 1 (25.34%), A23138G (spike D614G) in clade 2 (63.54%), G10818T (nsp6 L37F), C14540T (nsp12 T442I), and G25879T (ORF3a V251F) in clade 3 (2.58%), and miscellaneous changes in clade 4 (8.