Skip to main content

Research Repository

Advanced Search

All Outputs (186)

Prehospital transdermal glyceryl trinitrate in patients with ultra-acute presumed stroke (RIGHT-2): effects on outcomes at day 365 in a randomised, sham-controlled, blinded, phase III, superiority ambulance-based trial (2023)
Journal Article
Woodhouse, L. J., Appleton, J. P., Ankolekar, S., England, T. J., Mair, G., Muir, K., …Bath, P. M. (2023). Prehospital transdermal glyceryl trinitrate in patients with ultra-acute presumed stroke (RIGHT-2): effects on outcomes at day 365 in a randomised, sham-controlled, blinded, phase III, superiority ambulance-based trial. BMJ Neurology Open, 5(1), Article e000424. https://doi.org/10.1136/bmjno-2023-000424

Background The Rapid Intervention with Glyceryl Trinitrate in Hypertensive Stroke Trial-2 (RIGHT-2) reported no overall treatment difference between glyceryl trinitrate (GTN) and sham at day 90. Here we assess participants' outcomes 1 year after rand... Read More about Prehospital transdermal glyceryl trinitrate in patients with ultra-acute presumed stroke (RIGHT-2): effects on outcomes at day 365 in a randomised, sham-controlled, blinded, phase III, superiority ambulance-based trial.

Association of CYP2C19 Loss-of-Function Metabolizer Status With Stroke Risk Among Chinese Patients Treated With Ticagrelor-Aspirin vs Clopidogrel-Aspirin: A Prespecified Secondary Analysis of a Randomized Clinical Trial. (2023)
Journal Article
Xie, X., Johnston, S. C., Wang, A., Xu, Q., Bath, P. M., Pan, Y., …Wang, Y. (2023). Association of CYP2C19 Loss-of-Function Metabolizer Status With Stroke Risk Among Chinese Patients Treated With Ticagrelor-Aspirin vs Clopidogrel-Aspirin: A Prespecified Secondary Analysis of a Randomized Clinical Trial. JAMA Network Open, 6(6), Article e2317037. https://doi.org/10.1001/jamanetworkopen.2023.17037

Importance: The Clopidogrel With Aspirin in High-Risk Patients With Acute Nondisabling Cerebrovascular Events II (CHANCE-2) trial showed that ticagrelor-aspirin combination therapy reduced the risk of stroke compared with a clopidogrel-aspirin combi... Read More about Association of CYP2C19 Loss-of-Function Metabolizer Status With Stroke Risk Among Chinese Patients Treated With Ticagrelor-Aspirin vs Clopidogrel-Aspirin: A Prespecified Secondary Analysis of a Randomized Clinical Trial..

Isosorbide Mononitrate and Cilostazol Treatment in Patients With Symptomatic Cerebral Small Vessel Disease: The Lacunar Intervention Trial-2 (LACI-2) Randomized Clinical Trial (2023)
Journal Article
Wardlaw, J. M., Woodhouse, L. J., Mhlanga, I. I., Oatey, K., Heye, A. K., Bamford, J., …Bath, P. M. (2023). Isosorbide Mononitrate and Cilostazol Treatment in Patients With Symptomatic Cerebral Small Vessel Disease: The Lacunar Intervention Trial-2 (LACI-2) Randomized Clinical Trial. JAMA Neurology, 80(7), 682-692. https://doi.org/10.1001/jamaneurol.2023.1526

Importance Cerebral small vessel disease (cSVD) is a common cause of stroke (lacunar stroke), is the most common cause of vascular cognitive impairment, and impairs mobility and mood but has no specific treatment. Objective To test the feasibili... Read More about Isosorbide Mononitrate and Cilostazol Treatment in Patients With Symptomatic Cerebral Small Vessel Disease: The Lacunar Intervention Trial-2 (LACI-2) Randomized Clinical Trial.

Accuracy of artificial intelligence software for CT angiography in stroke (2023)
Journal Article
Mair, G., White, P., Bath, P. M., Muir, K., Martin, C., Dye, D., …for the RITeS Collaboration. (2023). Accuracy of artificial intelligence software for CT angiography in stroke. Annals of Clinical and Translational Neurology, 10(7), 1072-1082. https://doi.org/10.1002/acn3.51790

Objective: Software developed using artificial intelligence may automatically identify arterial occlusion and provide collateral vessel scoring on CT angiography (CTA) performed acutely for ischemic stroke. We aimed to assess the diagnostic accuracy... Read More about Accuracy of artificial intelligence software for CT angiography in stroke.

Evaluation of Endothelial Progenitor Cell Characteristics as Clinical Biomarkers for Elderly Patients with Ischaemic Stroke (2023)
Journal Article
Rakkar, K., Othman, O. A., Sprigg, N., Bath, P. M., & Bayraktutan, U. (2023). Evaluation of Endothelial Progenitor Cell Characteristics as Clinical Biomarkers for Elderly Patients with Ischaemic Stroke. Stem Cell Reviews and Reports, 19(6), 1856-1869. https://doi.org/10.1007/s12015-023-10544-y

Ageing impairs endothelial function and predisposes the person to ischaemic stroke (IS). Endothelial progenitor cells (EPCs) repair endothelial damage and induce post-ischaemic neovascularisation. Given the prevalence of IS in older population, this... Read More about Evaluation of Endothelial Progenitor Cell Characteristics as Clinical Biomarkers for Elderly Patients with Ischaemic Stroke.

Indobufen versus aspirin in patients with acute ischaemic stroke in China (INSURE): a randomised, double-blind, double-dummy, active control, non-inferiority trial (2023)
Journal Article
Pan, Y., Meng, X., Yuan, B., Johnston, S. C., Li, H., Bath, P. M., …Wang, Y. (2023). Indobufen versus aspirin in patients with acute ischaemic stroke in China (INSURE): a randomised, double-blind, double-dummy, active control, non-inferiority trial. Lancet Neurology, 22(6), 485-493. https://doi.org/10.1016/s1474-4422%2823%2900113-8

Background Aspirin is recommended for secondary stroke prevention in patients with moderate-to-severe ischaemic stroke but can lead to gastrointestinal intolerance and bleeding. Indobufen is used as an alternative antiplatelet agent in some countrie... Read More about Indobufen versus aspirin in patients with acute ischaemic stroke in China (INSURE): a randomised, double-blind, double-dummy, active control, non-inferiority trial.

Effects of intensive blood pressure lowering on cerebral ischaemia in thrombolysed patients: insights from the ENCHANTED trial (2023)
Journal Article
Chen, C., Ouyang, M., Ong, S., Zhang, L., Zhang, G., Delcourt, C., …ENCHANTED investigators. (2023). Effects of intensive blood pressure lowering on cerebral ischaemia in thrombolysed patients: insights from the ENCHANTED trial. eClinicalMedicine, 57, Article 101849. https://doi.org/10.1016/j.eclinm.2023.101849

Background: Intensive blood pressure lowering may adversely affect evolving cerebral ischaemia. We aimed to determine whether intensive blood pressure lowering altered the size of cerebral infarction in the 2196 patients who participated in the Enhan... Read More about Effects of intensive blood pressure lowering on cerebral ischaemia in thrombolysed patients: insights from the ENCHANTED trial.

Rationale and Design of a randomized double-blind 2 × 2 factorial trial comparing the effect of a 3-month intensive statin and antiplatelet therapy for patients with acute mild ischemic stroke or high-risk TIA with intracranial or extracranial atherosclerosis (INSPIRES) (2023)
Journal Article
Gao, Y., Pan, Y., Han, S., Chen, W., Jing, J., Wang, C., …Wang, Y. (2023). Rationale and Design of a randomized double-blind 2 × 2 factorial trial comparing the effect of a 3-month intensive statin and antiplatelet therapy for patients with acute mild ischemic stroke or high-risk TIA with intracranial or extracranial atherosclerosis (INSPIRES). Stroke and Vascular Neurology, 8(3), Article e002084. https://doi.org/10.1136/svn-2022-002084

Background: It remains unclear if intensive antiplatelet and statin treatments begun within 24–72 hours of cerebral ischaemic events from intracranial or extracranial atherosclerosis is effective or safe. Methods: The Intensive Statin and Antiplatel... Read More about Rationale and Design of a randomized double-blind 2 × 2 factorial trial comparing the effect of a 3-month intensive statin and antiplatelet therapy for patients with acute mild ischemic stroke or high-risk TIA with intracranial or extracranial atherosclerosis (INSPIRES).

Antiplatelet Resistance: A Review of Concepts, Mechanisms, and Implications for Management in Acute Ischemic Stroke and Transient Ischemic Attack (2023)
Journal Article
Krishnan, K., Nguyen, T. N., Appleton, J. P., Law, Z. K., Caulfied, M., Cabrera, C. P., …Bath, P. M. (2023). Antiplatelet Resistance: A Review of Concepts, Mechanisms, and Implications for Management in Acute Ischemic Stroke and Transient Ischemic Attack. Stroke: Vascular and Interventional Neurology, 3(3), Article e000576. https://doi.org/10.1161/svin.122.000576

Acute ischemic stroke is a leading cause of death and major disability worldwide. Approximately 50% of ischemic strokes are caused by atherothrombotic occlusion of the cerebral arteries, and antiplatelets are the mainstay of secondary stroke preventa... Read More about Antiplatelet Resistance: A Review of Concepts, Mechanisms, and Implications for Management in Acute Ischemic Stroke and Transient Ischemic Attack.

Key design elements of successful acute ischemic stroke treatment trials (2023)
Journal Article
Yperzeele, L., Shoamanesh, A., Venugopalan, Y. V., Chapman, S., Mazya, M. V., Charalambous, M., …Koltsov, I. (2023). Key design elements of successful acute ischemic stroke treatment trials. Neurological Research and Practice, 5(1), Article 1. https://doi.org/10.1186/s42466-022-00221-9

Purpose: We review key design elements of positive randomized controlled trials (RCTs) in acute ischemic stroke (AIS) treatment and summarize their main characteristics. Method: We searched Medline, Pubmed and Cochrane databases for positive RCTs in... Read More about Key design elements of successful acute ischemic stroke treatment trials.

Genotype-Guided Dual Antiplatelet Use for Transient Ischemic Attack and Minor Stroke by Imaging Status: Subgroup Analysis of the CHANCE-2 Trial (2022)
Journal Article
Jing, J., Xie, X., Johnston, S. C., Bath, P. M., Li, Z., Zhao, X., …for the CHANCE‐2 Investigators. (2023). Genotype-Guided Dual Antiplatelet Use for Transient Ischemic Attack and Minor Stroke by Imaging Status: Subgroup Analysis of the CHANCE-2 Trial. Annals of Neurology, 93(4), 783-792. https://doi.org/10.1002/ana.26589

Objective: This study was performed to investigate whether ticagrelor/aspirin versus clopidogrel/aspirin can further reduce the residual risk of stroke recurrence in patients with positive diffusion-weighted imaging (DWI) in the High-Risk Patients wi... Read More about Genotype-Guided Dual Antiplatelet Use for Transient Ischemic Attack and Minor Stroke by Imaging Status: Subgroup Analysis of the CHANCE-2 Trial.

Ticagrelor Aspirin vs Clopidogrel Aspirin in CYP2C19 Loss-of-Function Carriers with Minor Stroke or TIA Stratified by Risk Profile (2022)
Journal Article
Wang, A., Meng, X., Tian, X., Zuo, Y., Bath, P. M., Li, H., …Wang, Y. (2023). Ticagrelor Aspirin vs Clopidogrel Aspirin in CYP2C19 Loss-of-Function Carriers with Minor Stroke or TIA Stratified by Risk Profile. Neurology, 100(5), e497-e504. https://doi.org/10.1212/WNL.0000000000201454

Background and ObjectiveGenotype data of the Clopidogrel with Aspirin in Acute Minor Stroke or Transient Ischemic Attack (CHANCE) trial showed that efficacy of clopidogrel aspirin depended on CYP2C19 genotype and risk profile. A stratification of pat... Read More about Ticagrelor Aspirin vs Clopidogrel Aspirin in CYP2C19 Loss-of-Function Carriers with Minor Stroke or TIA Stratified by Risk Profile.

Stroke outcome related to initial volume status and diuretic use (2022)
Journal Article
Renner, C., Kasner, S., Bath, P., & Bahouth, M. (2022). Stroke outcome related to initial volume status and diuretic use. Journal of the American Heart Association, 11(24), Article e026903. https://doi.org/10.1161/jaha.122.026903

Background: We hypothesized that stroke outcome is related to multiple baseline hydration-related factors including volume contracted state (VCS) and diuretic use. Methods: We analyzed a prospective cohort of subjects with ischemic stroke

Dietary nitrate supplementation for preventing and reducing the severity of winter infections, including COVID-19, in care homes (BEET-Winter)-a randomised placebo-controlled feasibility trial (2022)
Journal Article
Bath, P. M., Skinner, C. J. C., Bath, C. S., Woodhouse, L. J., Areti, A., Korovesi, K., …Gordon, A. L. (2022). Dietary nitrate supplementation for preventing and reducing the severity of winter infections, including COVID-19, in care homes (BEET-Winter)-a randomised placebo-controlled feasibility trial. European Geriatric Medicine, 13, 1343-1355. https://doi.org/10.1007/s41999-022-00714-5

Purpose Infections cause considerable care home morbidity and mortality. Nitric oxide (NO) has broad-spectrum anti-viral, bacterial and yeast activity in vitro. We assessed the feasibility of supplementing dietary nitrate (NO substrate) intake in ca... Read More about Dietary nitrate supplementation for preventing and reducing the severity of winter infections, including COVID-19, in care homes (BEET-Winter)-a randomised placebo-controlled feasibility trial.

Ticagrelor–Aspirin Versus Clopidogrel–Aspirin Among CYP2C19 Loss-of-Function Carriers With Minor Stroke or Transient Ischemic Attack in Relation to Renal Function: A Post Hoc Analysis of the CHANCE-2 Trial (2022)
Journal Article
Wang, A., Xie, X., Tian, X., Johnston, S. C., Li, H., Bath, P. M., …Wang, Y. (2022). Ticagrelor–Aspirin Versus Clopidogrel–Aspirin Among CYP2C19 Loss-of-Function Carriers With Minor Stroke or Transient Ischemic Attack in Relation to Renal Function: A Post Hoc Analysis of the CHANCE-2 Trial. Annals of Internal Medicine, 175(11), 1534-1542. https://doi.org/10.7326/M22-1667

Background: Evidence on the risk–benefit ratio of dual antiplatelet therapies among patients with stroke and impaired renal function is limited and inconsistent. Objective: To investigate the effect of renal function on the efficacy and safety o... Read More about Ticagrelor–Aspirin Versus Clopidogrel–Aspirin Among CYP2C19 Loss-of-Function Carriers With Minor Stroke or Transient Ischemic Attack in Relation to Renal Function: A Post Hoc Analysis of the CHANCE-2 Trial.

Ticagrelor-Aspirin versus Clopidogrel-Aspirin among CYP2C19 Loss-of-Function Carriers with Minor Stroke or TIA in Relation to Renal Function: A Post Hoc Analysis of CHANCE-2 Trial (2022)
Journal Article
Wang, A., Wang, Y., Xie, X., Tian, X., Claiborne Johnston, S., Li, H., …Wang, Y. (2022). Ticagrelor-Aspirin versus Clopidogrel-Aspirin among CYP2C19 Loss-of-Function Carriers with Minor Stroke or TIA in Relation to Renal Function: A Post Hoc Analysis of CHANCE-2 Trial. Annals of Internal Medicine, 175(11), 1534-1542. https://doi.org/10.7326/M22-1667

Background: Evidence on the risk-benefit ratio of dual antiplatelet therapies among stroke patients with impaired renal function is limited and inconsistent. Objective: To investigate the effect of renal function on the efficacy and safety of tic... Read More about Ticagrelor-Aspirin versus Clopidogrel-Aspirin among CYP2C19 Loss-of-Function Carriers with Minor Stroke or TIA in Relation to Renal Function: A Post Hoc Analysis of CHANCE-2 Trial.

Measures of intracranial compartments in acute intracerebral haemorrhage: data from the Rapid Intervention with Glyceryl Trinitrate in Hypertensive Stroke-2 Trial (RIGHT-2) (2022)
Journal Article
Krishnan, K., Law, Z. K., Woodhouse, L. J., Dineen, R. A., Sprigg, N., Wardlaw, J. M., & Bath, P. M. (2023). Measures of intracranial compartments in acute intracerebral haemorrhage: data from the Rapid Intervention with Glyceryl Trinitrate in Hypertensive Stroke-2 Trial (RIGHT-2). Stroke and Vascular Neurology, 8(2), 151-160. https://doi.org/10.1136/svn-2021-001375

Background and purpose: Intracerebral haemorrhage volume (ICHV) is prognostically important but does not account for intracranial volume (ICV) and cerebral parenchymal volume (CPV). We assessed measures of intracranial compartments in acute ICH using... Read More about Measures of intracranial compartments in acute intracerebral haemorrhage: data from the Rapid Intervention with Glyceryl Trinitrate in Hypertensive Stroke-2 Trial (RIGHT-2).

Semantic Segmentation of Spontaneous Intracerebral Hemorrhage, Intraventricular Hemorrhage, and Associated Edema on CT Images Using Deep Learning (2022)
Journal Article
Kok, Y. E., Pszczolkowski, S., Law, Z. K., Ali, A., Krishnan, K., Bath, P., …French, A. P. (2022). Semantic Segmentation of Spontaneous Intracerebral Hemorrhage, Intraventricular Hemorrhage, and Associated Edema on CT Images Using Deep Learning. Radiology: Artificial Intelligence, 4(6), https://doi.org/10.1148/ryai.220096

This study evaluated deep learning algorithms for semantic segmentation and quantification of intracerebral hemorrhage (ICH), perihematomal edema (PHE), and intraventricular hemorrhage (IVH) on noncontrast CT scans of patients with spontaneous ICH. M... Read More about Semantic Segmentation of Spontaneous Intracerebral Hemorrhage, Intraventricular Hemorrhage, and Associated Edema on CT Images Using Deep Learning.

External validation of e-ASPECTS software for interpreting brain CT in stroke (2022)
Journal Article
Mair, G., White, P., Bath, P. M., Muir, K. W., Salman, R. A.-S., Martin, C., …Wardlaw, J. M. (2022). External validation of e-ASPECTS software for interpreting brain CT in stroke. Annals of Neurology, 92(6), 943-957. https://doi.org/10.1002/ana.26495

Objective To test e-ASPECTS software in patients with stroke. Marketed as a decision-support tool, e-ASPECTS may detect features of ischemia or hemorrhage on computed tomography (CT) imaging and quantify ischemic extent using ASPECTS (Alberta Strok... Read More about External validation of e-ASPECTS software for interpreting brain CT in stroke.