All Outputs (10)

Pre‐hospital transdermal glyceryl trinitrate for transient ischaemic attack: Data from the RIGHT‐2 trial (2024)
Journal Article
Appleton, J. P., Dixon, M., Woodhouse, L. J., Anderson, C. S., Ankolekar, S., Cala, L., England, T. J., Godolphin, P. J., Krishnan, K., Mair, G., Muir, K. W., Potter, J., Price, C. I., Randall, M., Robinson, T. G., Roffe, C., Rothwell, P. M., Sandset, E. C., Saver, J. L., Siriwardena, A. N., …Bath, P. M. (2024). Pre‐hospital transdermal glyceryl trinitrate for transient ischaemic attack: Data from the RIGHT‐2 trial. European Journal of Neurology, 31(12), Article e16502. https://doi.org/10.1111/ene.16502

Background and purpose
Ambulance trials assessing interventions in suspected stroke patients will recruit patients with currently active symptoms that will resolve into transient ischaemic attack (TIA). The safety and efficacy of glyceryl trinitrate... Read More about Pre‐hospital transdermal glyceryl trinitrate for transient ischaemic attack: Data from the RIGHT‐2 trial.

Challenges and Experiences in Multicenter Prehospital Stroke Research: Narrative Data from the Rapid Intervention with Glyceryl Trinitrate in Hypertensive Stroke Trial-2 (RIGHT-2) (2023)
Journal Article
Dixon, M., Williams, J., Bath, P. M., Investigators, R.-2., & for the RIGHT-2 Investigators. (2024). Challenges and Experiences in Multicenter Prehospital Stroke Research: Narrative Data from the Rapid Intervention with Glyceryl Trinitrate in Hypertensive Stroke Trial-2 (RIGHT-2). Prehospital Emergency Care, 28(6), 832-840. https://doi.org/10.1080/10903127.2023.2287171

Background: Ambulance services are increasingly research active and the Rapid Intervention with Glyceryl trinitrate in Hypertensive stroke Trial-2 (RIGHT-2) is the largest United Kingdom (UK) ambulance-based randomized controlled trial in stroke. We... Read More about Challenges and Experiences in Multicenter Prehospital Stroke Research: Narrative Data from the Rapid Intervention with Glyceryl Trinitrate in Hypertensive Stroke Trial-2 (RIGHT-2).

A systematic review of ambulance service-based randomised controlled trials in stroke (2023)
Journal Article
Dixon, M., Appleton, J. P., Siriwardena, A. N., Williams, J., & Bath, P. M. (2023). A systematic review of ambulance service-based randomised controlled trials in stroke. Neurological Sciences, 44(12), 4363-4378. https://doi.org/10.1007/s10072-023-06910-w

Background: Treatment for stroke is time-dependent, and ambulance services play a vital role in the early recognition, assessment and transportation of stroke patients. Innovations which begin in ambulance services to expedite delivery of treatments... Read More about A systematic review of ambulance service-based randomised controlled trials in stroke.

Prehospital transdermal glyceryl trinitrate for ultra-acute ischaemic stroke: data from the RIGHT-2 randomised sham-controlled ambulance trial (2023)
Journal Article
Appleton, J. P., Woodhouse, L. J., Anderson, C. S., Ankolekar, S., Cala, L., Dixon, M., …Bath, P. M. (2023). Prehospital transdermal glyceryl trinitrate for ultra-acute ischaemic stroke: data from the RIGHT-2 randomised sham-controlled ambulance trial. Stroke and Vascular Neurology, 9(1), https://doi.org/10.1136/svn-2022-001634

Background The effect of transdermal glyceryl trinitrate (GTN, a nitrovasodilator) on clinical outcome when administered before hospital admission in suspected stroke patients is unclear. Here, we assess the safety and efficacy of GTN in the prespeci... Read More about Prehospital transdermal glyceryl trinitrate for ultra-acute ischaemic stroke: data from the RIGHT-2 randomised sham-controlled ambulance trial.

Time intervals and distances travelled for prehospital ambulance stroke care: data from the randomised-controlled ambulance-based Rapid Intervention with Glyceryl trinitrate in Hypertensive stroke Trial-2 (RIGHT-2) (2022)
Journal Article
Dixon, M., Appleton, J. P., Scutt, P., Woodhouse, L. J., Haywood, L. J., Havard, D., …Bath, P. M. (2022). Time intervals and distances travelled for prehospital ambulance stroke care: data from the randomised-controlled ambulance-based Rapid Intervention with Glyceryl trinitrate in Hypertensive stroke Trial-2 (RIGHT-2). BMJ Open, 12(11), Article e060211. https://doi.org/10.1136/bmjopen-2021-060211

Objectives
Ambulances offer the first opportunity to evaluate hyperacute stroke treatments. We investigated the conduct of a hyperacute stroke study in the ambulance-based setting with a particular focus on timings and logistics of trial delivery.... Read More about Time intervals and distances travelled for prehospital ambulance stroke care: data from the randomised-controlled ambulance-based Rapid Intervention with Glyceryl trinitrate in Hypertensive stroke Trial-2 (RIGHT-2).

Pre-hospital transdermal glyceryl trinitrate in patients with stroke mimics: data from the RIGHT-2 randomised-controlled ambulance trial (2022)
Journal Article
Tunnage, B., Woodhouse, L. J., Dixon, M., Anderson, C. S., Ankolekar, S., Appleton, J. P., …Bath, P. M. (2022). Pre-hospital transdermal glyceryl trinitrate in patients with stroke mimics: data from the RIGHT-2 randomised-controlled ambulance trial. BMC Emergency Medicine, 22(1), Article 2. https://doi.org/10.1186/s12873-021-00560-x

Background: Prehospital stroke trials will inevitably recruit patients with non-stroke conditions, so called stroke mimics. We undertook a pre-specified analysis to determine outcomes in patients with mimics in the second Rapid Intervention with Glyc... Read More about Pre-hospital transdermal glyceryl trinitrate in patients with stroke mimics: data from the RIGHT-2 randomised-controlled ambulance trial.

Prehospital transdermal glyceryl trinitrate in patients with ultra-acute presumed stroke (RIGHT-2): an ambulance-based, randomised, sham-controlled, blinded, phase 3 trial (2019)
Journal Article
Bath, P. M., Scutt, P., Anderson, C. S., Appleton, J. P., Berge, E., Cala, L., Dixon, M., England, T. M., Godolphin, P. J., Havard, D., Haywood, L., Hepburn, T., Krishnan, K., Mair, G., Montgomery, A. A., Muir, K., Phillips, S. J., Pocock, S., Potter, J., Price, C., …Mir, R. (2019). Prehospital transdermal glyceryl trinitrate in patients with ultra-acute presumed stroke (RIGHT-2): an ambulance-based, randomised, sham-controlled, blinded, phase 3 trial. Lancet, 393(10175), 1009-1020. https://doi.org/10.1016/S0140-6736%2819%2930194-1

© 2019 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY 4.0 license Background: High blood pressure is common in acute stroke and is a predictor of poor outcome; however, large trials of lowering blood pressure... Read More about Prehospital transdermal glyceryl trinitrate in patients with ultra-acute presumed stroke (RIGHT-2): an ambulance-based, randomised, sham-controlled, blinded, phase 3 trial.

Interim analysis of ambulance logistics and timings in patients recruited into the Rapid intervention with Glyceryl trinitrate in Hypertensive stroke Trial-2 (RIGHT-2) (2018)
Presentation / Conference Contribution
Dixon, M., Scutt, P., Appleton, J. P., Spaight, R., Johnson, R., Siriwardena, A. N., & Bath, P. M. (2018). Interim analysis of ambulance logistics and timings in patients recruited into the Rapid intervention with Glyceryl trinitrate in Hypertensive stroke Trial-2 (RIGHT-2).

Introduction: Stroke is a severe condition with high morbidity and mortality. Despite treatment effects in acute stroke being predominantly time dependent (e.g. thrombolysis and thrombectomy), proven treatments are hospital based and require prior br... Read More about Interim analysis of ambulance logistics and timings in patients recruited into the Rapid intervention with Glyceryl trinitrate in Hypertensive stroke Trial-2 (RIGHT-2).

Rapid Intervention with Glyceryl trinitrate in Hypertensive stroke Trial-2 (RIGHT-2): safety and efficacy of transdermal glyceryl trinitrate, a nitric oxide donor, and of the feasibility of a multicentre ambulance-based stroke trial (2018)
Presentation / Conference Contribution
Dixon, M., Appleton, J. P., Scutt, P., England, T., Havard, D., Howard, H., …Bath, P. M. (2018). Rapid Intervention with Glyceryl trinitrate in Hypertensive stroke Trial-2 (RIGHT-2): safety and efficacy of transdermal glyceryl trinitrate, a nitric oxide donor, and of the feasibility of a multicentre ambulance-based stroke trial.

Assessment of consent models as an ethical consideration in the conduct of prehospital ambulance randomised controlled clinical trials: a systematic review (2017)
Journal Article
Armstrong, S., Langlois, A., Laparidou, D., Dixon, M., Appleton, J. P., Bath, P. M., …Siriwardena, A. N. (2017). Assessment of consent models as an ethical consideration in the conduct of prehospital ambulance randomised controlled clinical trials: a systematic review. BMC Medical Research Methodology, 17(1), Article 142. https://doi.org/10.1186/s12874-017-0423-4

Background

We sought to understand the main ethical considerations when conducting clinical trials in the prehospital ambulance based setting.

Methods

A systematic review of the literature on randomised controlled trials in ambulance setting... Read More about Assessment of consent models as an ethical consideration in the conduct of prehospital ambulance randomised controlled clinical trials: a systematic review.