3,203 results match your criteria: "Clinical Research Facility[Affiliation]"

This study aims to understand the impact of early antiretroviral therapy (ART) on HIV-specific T-cell responses measured after treatment interruption, which may inform strategies to deliver ART-free immune-mediated viral suppression. HIV-specific T-cell immunity was analysed using gamma interferon enzyme-linked immunospot assays in two studies. SPARTAC included individuals with primary HIV infection randomised to 48 weeks of ART (n = 24) or no immediate therapy (n = 37).

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Exploring the implementation of an educational film within antenatal care to reduce the risk of cytomegalovirus infection in pregnancy: A qualitative study.

BMC Pregnancy Childbirth

August 2024

Clinical and Experimental Sciences, Faculty of Medicine and Institute for Life Sciences, NIHR Southampton Clinical Research Facility and NIHR Southampton Biomedical Research Centre, University of Southamptonand, University Hospital Southampton NHS Foundation Trust, Southampton, UK.

Background: Congenital cytomegalovirus (CMV) infection is a leading cause of sensorineural hearing loss and neuro-disability in childhood. In the absence of a licensed vaccine, adoption of hygiene-based measures may reduce the risk of CMV infection in pregnancy, however these measures are not routinely discussed with pregnant women as part of National Health Service (NHS) antenatal care in the United Kingdom (UK).

Methods: An exploratory qualitative study was conducted, underpinned by Normalization Process Theory (NPT), to investigate how an educational intervention comprising of a short film about CMV may best be implemented, sustained, and enhanced in real-world routine antenatal care settings.

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Article Synopsis
  • The study aimed to assess the effectiveness of ECG in detecting cardiac issues in post-hospitalized COVID-19 patients through cardiac magnetic resonance (CMR) imaging.
  • Results showed that these patients had significantly more ECG abnormalities compared to healthy controls, yet both groups had similar levels of CMR abnormalities.
  • Adding additional analyses on repolarization improved ECG's ability to identify patients with CMR abnormalities and reduced the reliance on sex in the diagnostic process.
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Background: The Montreal Cognitive Assessment (MoCA) is recommended by the Movement Disorder Society for cognitive testing in movement disorders including Parkinson's disease (PD) and lewy body dementia. Few studies have compared cognitive screening instruments in these diseases, which overlap clinically.

Objective: To compare the MoCA and Quick Mild Cognitive Impairment (Q screen in this population.

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Public engagement with research (PEwR) has become increasingly integral to research practices. This paper explores the process and outcomes of a collaborative effort to address the ethical implications of PEwR activities and develop tools to navigate them within the context of a University Medical School. The activities this paper reflects on aimed to establish boundaries between research data collection and PEwR activities, support colleagues in identifying the ethical considerations relevant to their planned activities, and build confidence and capacity among staff to conduct PEwR projects.

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  • - The study focused on atopic dermatitis (AD) and evaluated how much time patients spent with clear skin and minimal itch while being treated with upadacitinib compared to a placebo and dupilumab.
  • - Researchers analyzed data from three phase 3 studies involving nearly 2,400 patients, with treatments lasting from 16 to 24 weeks and assessed using established skin severity and itch scales.
  • - Results showed that patients on upadacitinib experienced significantly more days with better skin conditions and reduced itching compared to those on placebo or dupilumab.
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PARP inhibitor (PARPi) therapy has transformed outcomes for patients with homologous recombination DNA repair (HRR) deficient ovarian cancers, for example those with BRCA1 or BRCA2 gene defects. Unfortunately, PARPi resistance is common. Multiple resistance mechanisms have been described, including secondary mutations that restore the HR gene reading frame.

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Introduction: Ethnic minority populations experience significant health and social care disparities; despite experiencing a greater burden of diseases, these groups are underrepresented in health and social care research. Consequently, related research can be less applicable to these population groups. The REPRESENT study aims to explore the health and social care experiences of ethnic minorities and other minoritised populations, their research interests and appropriate research practices.

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Background: Sjögren's disease is a chronic autoimmune disease with an unmet need for targeted therapies. The aim of the TWINSS study is to evaluate the safety and efficacy of iscalimab, a monoclonal antibody against CD40, in patients with active Sjögren's disease.

Methods: This randomised, double-blind, placebo-controlled, phase 2b study, conducted at 71 sites in 23 countries, enrolled patients aged 18 years or older fulfilling the American College of Rheumatology/European Alliance of Associations for Rheumatology (EULAR) 2016 criteria.

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Pachychoroid disease: review and update.

Eye (Lond)

August 2024

Vitreous Retina Macula Consultants of New York, New York, NY, USA.

The pachychoroid disease spectrum is a phenotype characterized by alterations in choroidal vasculature which result in outer retinal and choriocapillaris damage and visual loss. The presence of pachyvessels is one of the key features of the pachychoroid phenotype. Recent imaging studies suggest that pachyvessels may form because of choroidal venous congestion in one or more quadrants.

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Common to all inflammatory arthritides, namely rheumatoid arthritis, psoriatic arthritis, axial spondyloarthritis, and juvenile idiopathic arthritis, is a potential for reduced mobility that manifests through joint pain, swelling, stiffness, and ultimately joint damage. Across these conditions, consensus has been reached on the need to capture outcomes related to mobility, such as functional capacity and physical activity, as core domains in randomised controlled trials. Existing endpoints within these core domains rely wholly on self-reported questionnaires that capture patients' perceptions of their symptoms and activities.

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Background: The accuracy of a diagnostic test depends on its intrinsic characteristics and the disease incidence. This study aims to depict post-test probability of Pneumocystis pneumonia (PJP), according to results of PCR and Beta-D-Glucan (BDG) tests in patients with acute respiratory failure (ARF).

Materials And Methods: Diagnostic performance of PCR and BDG was extracted from literature.

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Flexible modeling of headache frequency fluctuations in migraine with hidden Markov models.

Headache

January 2025

National Institute for Health Research (NIHR) King's Clinical Research Facility, King's College London, London, UK.

Objective: To explore hidden Markov models (HMMs) as an approach for defining clinically meaningful headache-frequency-based groups in migraine.

Background: Monthly headache frequency in patients with migraine is known to vary over time. This variation has not been completely characterized and is not well accounted for in the classification of individuals as having chronic or episodic migraine, a diagnosis with potentially significant impacts on the individual.

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Article Synopsis
  • A study investigated the potential benefits of methotrexate, an antirheumatic drug, in treating knee osteoarthritis (KOA) pain through a multicenter, double-blind, placebo-controlled trial involving 207 participants.
  • Participants were randomly assigned to receive either methotrexate or a placebo for 12 months while continuing their usual pain relief medications, with a primary focus on assessing average knee pain at 6 months.
  • Results indicated that the methotrexate group experienced a significant decrease in knee pain compared to the placebo group, suggesting methotrexate may provide symptomatic relief for KOA.
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Variants in the autoimmune disease risk locus influence the regulatory network in immune cells and salivary gland.

bioRxiv

October 2023

Genes and Human Disease Research Program, Oklahoma Medical Research Foundation (OMRF), Oklahoma City, Oklahoma, USA.

Fine mapping and bioinformatic analysis of the genetic risk association in Sjögren's Disease (SjD) and Systemic Lupus Erythematosus (SLE) identified five common SNPs with functional evidence in immune cell types: rs4938573, rs57494551, rs4938572, rs4936443, rs7117261. Functional interrogation of nuclear protein binding affinity, enhancer/promoter regulatory activity, and chromatin-chromatin interactions in immune, salivary gland epithelial, and kidney epithelial cells revealed cell type-specific allelic effects for all five SNPs that expanded regulation beyond effects on and expression. Mapping the local chromatin regulatory network revealed several additional genes of interest, including .

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Statin intolerance and the drucebo effect.

QJM

July 2024

St James's Hospital, Department of Pharmacology, St James's hospital, James's Street, Dublin 8, D08 NHY1, Ireland.

Hypercholesterolemia is a well-described risk factor for atherosclerotic cardiovascular disease (ASCVD). Statins remain the cornerstone of therapy. Statin intolerance (SI) particularly statin associated muscle symptoms (SAMS) and inappropriate stopping of treatment is associated with increased cardiovascular risk.

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Sigmoid volvulus-Can CT features predict outcomes and recurrence?

Eur Radiol

July 2024

Department of Medical Imaging, University Medical Imaging Toronto, University of Toronto, Toronto, Canada.

Objectives: Sigmoid volvulus (SV) is a common cause of bowel obstruction, especially in older patients. SV can be mesenteroaxial (M-SV) or organoaxial (O-SV). The purpose of this study was to assess if CT findings in SV are associated with clinical outcomes.

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  • The study investigates the safety, tolerability, and pharmacokinetics of BIIB078, an investigational treatment targeting the genetic cause of amyotrophic lateral sclerosis (ALS) linked to the C9orf72 gene mutation.
  • The trial involved 106 participants with C9orf72-associated ALS, who were randomly assigned to receive varying doses of BIIB078 or a placebo over a treatment period of three to six months.
  • Results showed that all participants experienced at least one adverse event, mostly mild or moderate, indicating that while BIIB078 did pose some risks, it did not lead to a high rate of treatment discontinuation.
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5-aza-2'-deoxycytidine induces telomere dysfunction in breast cancer cells.

Biomed Pharmacother

September 2024

Centre for Genome Engineering and Maintenance, Division of Biosciences, Department of Life Sciences, College of Health and Life Sciences, Brunel University London, Uxbridge UB8 3PH, UK. Electronic address:

Aims: Azacitidine, a drug that epigenetically modifies DNA, is widely used to treat haematological malignancies. However, at low doses, it demethylates DNA, and as a result, can alter gene expression. In our previous publication, we showed that low doses of azacitidine induce telomere length elongation in breast cancer cells.

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Background/objectives: Ataxia telangiectasia (A-T) is an inherited multisystem disorder with increased sensitivity to ionising radiation and elevated cancer risk. Although other cancer predisposition syndromes have established cancer screening protocols, evidence-based guidelines for cancer screening in A-T are lacking. This study sought to assess feasibility of a cancer screening protocol based on whole-body MRI (WB-MRI) in children and young people with A-T.

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Aim: Women with GDM display adverse lifetime cardio-metabolic health. We examined whether early metformin in GDM could impact cardio-metabolic risk factors postpartum.

Research Design & Methods: EMERGE, a double-blind, placebo-controlled trial randomized pregnancies 1:1 to placebo or metformin at GDM diagnosis and followed participants from randomization until 12±4 weeks postpartum.

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Breath analysis is an area of significant interest in medical research as it allows for non-invasive sampling with exceptional potential for disease monitoring and diagnosis. Volatile organic compounds (VOCs) found in breath can offer critical insight into a person's lifestyle and/or disease/health state. To this end, the development of a rapid, sensitive, cost-effective and potentially portable method for the detection of key compounds in breath would mark a significant advancement.

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Background: Folate intake during pregnancy is essential for fetal development and maternal health. However, the specific effects of folic acid (FA) and 5-methyl-(6S)-tetrahydrofolate (5-MTHF) on the prevention and treatment of hypertensive disorders of pregnancy remain unclear. We investigated whether FA and 5-MTHF have different effects on endothelial cell tetrahydrobiopterin (BH4) metabolism in pregnancy and the possible consequences for endothelial NO generation, maternal blood pressure, and fetal growth.

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Introduction: Testicular cancer is among the most common malignancies in men under the age of 50 years. Most testicular symptoms are linked to benign diseases. Men's awareness of testicular diseases and testicular self-examination behaviours are suboptimal.

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