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This study aimed to analyze the associations among depressive/anxiety and pain symptoms in patients diagnosed with chronic pain.
Learn More >Why some people develop chronic pain following an acute episode of low back pain is unknown. Recent cross-sectional studies have suggested a relationship between aberrant sensorimotor cortex activity and pain persistence. The UPWaRD (Understanding persistent Pain Where it ResiDes) cohort study is the first prospective, longitudinal investigation of sensorimotor cortex activity in low back pain. This paper describes the development of a causal model and statistical analysis plan for investigating the causal effect of sensorimotor cortex activity on the development of chronic low back pain.
Learn More >Patient beliefs about pain and opioids have been reported from qualitative data. To overcome limitations of unstructured assessments and small sample sizes, we determined if pain and pain medication beliefs varied by chronic pain status and opioid analgesic use (OAU) duration in primary care patients.
Learn More >This study investigated the safety and efficacy of mirogabalin, a novel, potent, selective ligand of the α2δ subunit of voltage-dependent Ca channels, for the treatment of postherpetic neuralgia (PHN). In this multicenter, double-blind, placebo-controlled phase 3 study, Asian patients ≥20 years with PHN were randomized 2:1:1:1 to placebo or mirogabalin 15, 20, or 30 mg/day for up to 14 weeks (NCT02318719). The primary efficacy endpoint was the change from baseline in average daily pain score at week 14, defined as a weekly average of daily pain (0 = "no pain" to 10 = "worst possible pain," for the last 24 hours). Of 765 patients randomized, 763 received ≥ 1 dose of the study drug and were included in the analysis; 303, 152, 153, and 155 received placebo, mirogabalin 15, 20, or 30 mg/day, respectively. A total of 671 (87.7%) patients completed the study. At week 14, the difference in average daily pain score least squares mean vs placebo was -0.41, -0.47, and -0.77, respectively; all mirogabalin groups showed statistical significance. The most common treatment-emergent adverse events were somnolence, nasopharyngitis, dizziness, weight increase, and edema, and all of them were mild or moderate in severity. Mirogabalin was superior to placebo in all groups for relieving PHN and appeared well tolerated.This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal.
Learn More >Characterize the frequency, intensity, characteristics and associations of pain from AD.
Learn More >Chronic pain affects a significant number of individuals in the United States and is associated with several negative health-related outcomes, including possibility of opioid misuse and disability. The identification of factors associated with both opioid misuse and disability is of critical public health importance, and significant research suggests that pain severity has been shown to be associated with both. Pain-related anxiety has been uniquely associated with both opioid misuse and disability, yet little research has examined pain-related anxiety as a potential mechanism linking pain severity with opioid misuse and disability.
Learn More >Nervous system manifestations caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) are of great concern. Neurological symptoms and the neurological effects induced by SARS-CoV-2, such as the loss of various sensory perceptions, indicate direct viral invasion into sensory neurons. Therefore, it is very important to identify the distribution of angiotensin-converting enzyme 2 (ACE2), the receptor of SARS-CoV-2, in human nervous system. However, autofluorescence from lipofuscin obviously impacted immunofluorescence analysis in previous studies. We demonstrated that Sudan Black B (SBB) remarkably reduced the massive lipofuscin-like autofluorescence and the immunofluorescence signal would be sharpened following the exposure compensation. Additionally, we confirmed that ACE2 was expressed in IB4+, CGRP+, and NF200+ sensory subpopulations. The mapping of ACE2 distribution in hDRG would facilitate the understanding of sensory disorder induced by SARS-CoV-2.
Learn More >Vaso-occlusive pain leads to high acute care utilization among patients with sickle cell disease (SCD). Data suggest that clinical pathways (CPWs) reduce variation in the management of vaso-occlusive pain and improve clinical outcomes.
Learn More >A descriptive analysis of secondary data.
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