All Outputs (25)

Comparison of Echo Planar and Turbo Spin Echo Diffusion‐Weighted Imaging in Intraoperative MRI (2024)
Journal Article
Thorpe, J. C., Thust, S. C., Gillon, C. H., Rowe, S., Swain, C. E., MacArthur, D. C., Howarth, S. P., Avula, S., Morgan, P. S., & Dineen, R. A. (2024). Comparison of Echo Planar and Turbo Spin Echo Diffusion‐Weighted Imaging in Intraoperative MRI. Journal of Magnetic Resonance Imaging, https://doi.org/10.1002/jmri.29614

Background: Diffusion-weighted imaging (DWI) is routinely used in brain tumor surgery guided by intraoperative MRI (IoMRI). However, conventional echo planar imaging DWI (EPI-DWI) is susceptible to distortion and artifacts that affect image quality.... Read More about Comparison of Echo Planar and Turbo Spin Echo Diffusion‐Weighted Imaging in Intraoperative MRI.

Oxygen-enhanced MRI assessment of tumour hypoxia in head and neck cancer is feasible and well tolerated in the clinical setting (2024)
Journal Article
McCabe, A., Martin, S., Rowe, S., Shah, J., Morgan, P. S., Borys, D., & Panek, R. (2024). Oxygen-enhanced MRI assessment of tumour hypoxia in head and neck cancer is feasible and well tolerated in the clinical setting. European Radiology Experimental, 8(1), Article 27. https://doi.org/10.1186/s41747-024-00429-1

Background: Tumour hypoxia is a recognised cause of radiotherapy treatment resistance in head and neck squamous cell carcinoma (HNSCC). Current positron emission tomography-based hypoxia imaging techniques are not routinely available in many centres.... Read More about Oxygen-enhanced MRI assessment of tumour hypoxia in head and neck cancer is feasible and well tolerated in the clinical setting.

A resource for development and comparison of multimodal brain 3T MRI harmonisation approaches (2023)
Journal Article
Warrington, S., Ntata, A., Mougin, O., Campbell, J., Torchi, A., Craig, M., …Sotiropoulos, S. N. (2023). A resource for development and comparison of multimodal brain 3T MRI harmonisation approaches. Imaging Neuroscience, 1(2023), 1-27. https://doi.org/10.1162/imag_a_00042

Despite the huge potential of magnetic resonance imaging (MRI) in mapping and exploring the brain, MRI measures can often be limited in their consistency, reproducibility and accuracy which subsequently restricts their quantifiability. Nuisance nonbi... Read More about A resource for development and comparison of multimodal brain 3T MRI harmonisation approaches.

T1 based oxygen-enhanced MRI in tumours; a scoping review of current research (2023)
Journal Article
McCabe, A., Martin, S., Shah, J., Morgan, P. S., & Panek, R. (2023). T1 based oxygen-enhanced MRI in tumours; a scoping review of current research. British Journal of Radiology, 96(1146), Article 20220624. https://doi.org/10.1259/bjr.20220624

OBJECTIVE: Oxygen-enhanced MRI (OE-MRI) or tissue oxygen-level dependent (TOLD) MRI is an imaging technique under investigation for its ability to quantify and map oxygen distributions within tumours. The aim of this study was to identify and charact... Read More about T1 based oxygen-enhanced MRI in tumours; a scoping review of current research.

MRI and Molecular Characterization of Pediatric High-Grade Midline Thalamic Gliomas: The HERBY Phase II Trial (2022)
Journal Article
Rodriguez, D., Calmon, R., Aliaga, E. S., Warren, D., Warmuth-Metz, M., Jones, C., …Jaspan, T. (2022). MRI and Molecular Characterization of Pediatric High-Grade Midline Thalamic Gliomas: The HERBY Phase II Trial. Radiology, 304(1), 174-182. https://doi.org/10.1148/radiol.211464

Background Diffuse midline gliomas (DMG) are characterized by a high incidence of H3 K27 mutations and poorer outcome. The HERBY trial has provided one of the largest cohorts of pediatric DMGs with available radiologic, histologic-genotypic, and surv... Read More about MRI and Molecular Characterization of Pediatric High-Grade Midline Thalamic Gliomas: The HERBY Phase II Trial.

Effect of Tranexamic Acid Administration on Remote Cerebral Ischemic Lesions in Acute Spontaneous Intracerebral Hemorrhage: A Substudy of a Randomized Clinical Trial (2022)
Journal Article
Pszczolkowski, S., Sprigg, N., Woodhouse, L. J., Gallagher, R., Swienton, D., Law, Z. K., …Dineen, R. A. (2022). Effect of Tranexamic Acid Administration on Remote Cerebral Ischemic Lesions in Acute Spontaneous Intracerebral Hemorrhage: A Substudy of a Randomized Clinical Trial. JAMA Neurology, 79(5), 468-477. https://doi.org/10.1001/jamaneurol.2022.0217

Importance: Hyperintense foci on diffusion-weighted imaging (DWI) that are spatially remote from the acute hematoma occur in 20% of people with acute spontaneous intracerebral hemorrhage (ICH). Tranexamic acid, a hemostatic agent that is under invest... Read More about Effect of Tranexamic Acid Administration on Remote Cerebral Ischemic Lesions in Acute Spontaneous Intracerebral Hemorrhage: A Substudy of a Randomized Clinical Trial.

Dynamic susceptibility-contrast magnetic resonance imaging with contrast agent leakage correction aids in predicting grade in pediatric brain tumours: a multicenter study (2022)
Journal Article
Withey, S. B., MacPherson, L., Oates, A., Powell, S., Novak, J., Abernethy, L., Pizer, B., Grundy, R., Morgan, P. S., Bailey, S., Mitra, D., Arvanitis, T. N., Auer, D. P., Avula, S., & Peet, A. C. (2022). Dynamic susceptibility-contrast magnetic resonance imaging with contrast agent leakage correction aids in predicting grade in pediatric brain tumours: a multicenter study. Pediatric Radiology, 52(6), 1134-1149. https://doi.org/10.1007/s00247-021-05266-7

Background: Relative cerebral blood volume (rCBV) measured using dynamic susceptibility-contrast MRI can differentiate between low- and high-grade pediatric brain tumors. Multicenter studies are required for translation into clinical practice.

Ob... Read More about Dynamic susceptibility-contrast magnetic resonance imaging with contrast agent leakage correction aids in predicting grade in pediatric brain tumours: a multicenter study.

European Society for Paediatric Oncology (SIOPE) MRI guidelines for imaging patients with central nervous system tumours (2021)
Journal Article
Avula, S., Peet, A., Morana, G., Morgan, P., Warmuth-Metz, M., Jaspan, T., & Auer, D. (2021). European Society for Paediatric Oncology (SIOPE) MRI guidelines for imaging patients with central nervous system tumours. Child's Nervous System, 37(8), 2497-2508. https://doi.org/10.1007/s00381-021-05199-4

INTRODUCTION: Standardisation of imaging acquisition is essential in facilitating multicentre studies related to childhood CNS tumours. It is important to ensure that theimaging protocol can be adopted by centres with varying imaging capabilities wit... Read More about European Society for Paediatric Oncology (SIOPE) MRI guidelines for imaging patients with central nervous system tumours.

Analysis of insulin glulisine at the molecular level by X-ray crystallography and biophysical techniques (2021)
Journal Article
Gillis, R. B., Solomon, H. V., Govada, L., Oldham, N. J., Dinu, V., Jiwani, S. I., …Adams, G. G. (2021). Analysis of insulin glulisine at the molecular level by X-ray crystallography and biophysical techniques. Scientific Reports, 11(1), Article 1737. https://doi.org/10.1038/s41598-021-81251-2

© 2021, The Author(s). This study concerns glulisine, a rapid-acting insulin analogue that plays a fundamental role in diabetes management. We have applied a combination of methods namely X-ray crystallography, and biophysical characterisation to pro... Read More about Analysis of insulin glulisine at the molecular level by X-ray crystallography and biophysical techniques.

Droplet digital PCR-based detection of circulating tumor DNA from pediatric high grade and diffuse midline glioma patients (2021)
Journal Article
Izquierdo, E., Proszek, P., Pericoli, G., Temelso, S., Clarke, M., Carvalho, D. M., …Jones, C. (2021). Droplet digital PCR-based detection of circulating tumor DNA from pediatric high grade and diffuse midline glioma patients. Neuro-Oncology Advances, 3(1), Article vdab013. https://doi.org/10.1093/noajnl/vdab013

Background
The use of liquid biopsy is of potential high importance for children with high grade (HGG) and diffuse midline gliomas (DMG), particularly where surgical procedures are limited, and invasive biopsy sampling not without risk. To date, how... Read More about Droplet digital PCR-based detection of circulating tumor DNA from pediatric high grade and diffuse midline glioma patients.

Dorsolateral prefrontal circuit effective connectivity mediates the relationship between white matter structure and PASAT‐3 performance in multiple sclerosis (2020)
Journal Article
Meng, D., Welton, T., Elsarraj, A., Morgan, P. S., das Nair, R., Constantinescu, C. S., …Dineen, R. A. (2020). Dorsolateral prefrontal circuit effective connectivity mediates the relationship between white matter structure and PASAT‐3 performance in multiple sclerosis. Human Brain Mapping, 42(2), 495-509. https://doi.org/10.1002/hbm.25239

Three decades ago a series of parallel circuits were described involving the frontal cortex and deep grey matter structures, with putative roles in control of motor and oculomotor function, cognition, behaviour and emotion. The circuit comprising the... Read More about Dorsolateral prefrontal circuit effective connectivity mediates the relationship between white matter structure and PASAT‐3 performance in multiple sclerosis.

Exploration of temperature and shelf-life dependency of the therapeutically available Insulin Detemir (2020)
Journal Article
Beji, O., Gillis, R. B., Dinu, V., Jiwani, S. I., Gyasi-Antwi, P., Fisk, I. D., …Adams, G. G. (2020). Exploration of temperature and shelf-life dependency of the therapeutically available Insulin Detemir. European Journal of Pharmaceutics and Biopharmaceutics, 152, 340-347. https://doi.org/10.1016/j.ejpb.2020.05.016

© 2020 Elsevier B.V. Purpose: Insulin, in typical use, undergoes multiple changes in temperature; from refrigerator, to room temperature, to body temperature. Although long-term storage temperature has been well-studied, the short term changes to ins... Read More about Exploration of temperature and shelf-life dependency of the therapeutically available Insulin Detemir.

Evaluation of the implementation of the response assessment in neuro-oncology criteria in the HERBY trial of pediatric patients with newly diagnosed high-grade gliomas (2019)
Journal Article
Rodriguez, D., Chambers, T., Warmuth-Metz, M., Sanchez Aliaga, E., Warren, D., Calmon, R., …Jaspan, T. (2019). Evaluation of the implementation of the response assessment in neuro-oncology criteria in the HERBY trial of pediatric patients with newly diagnosed high-grade gliomas. American Journal of Neuroradiology, 40(3), 568-575. https://doi.org/10.3174/ajnr.A5982

© 2019 American Society of Neuroradiology. All rights reserved. BACKGROUND AND PURPOSE: HERBY was a Phase II multicenter trial setup to establish the efficacy and safety of adding bevacizumab to radiation therapy and temozolomide in pediatric patient... Read More about Evaluation of the implementation of the response assessment in neuro-oncology criteria in the HERBY trial of pediatric patients with newly diagnosed high-grade gliomas.

Aberrant visual pathway development in albinism: from retina to cortex (2018)
Journal Article
Ather, S., Proudlock, F. A., Welton, T., Morgan, P. S., Sheth, V., Gottlob, I., & Dineen, R. A. (2019). Aberrant visual pathway development in albinism: from retina to cortex. Human Brain Mapping, 40(3), 777-788. https://doi.org/10.1002/hbm.24411

Albinism refers to a group of genetic abnormalities in melanogenesis that are associated neuronal misrouting through the optic chiasm. Previous imaging studies have shown structural alterations at different points along the visual pathway of people w... Read More about Aberrant visual pathway development in albinism: from retina to cortex.

The MRI central vein marker: differentiating PPMS from RRMS and ischaemic SVD (2018)
Journal Article
Samaraweera, A. P., Falah, Y., Pitot, A., Dineen, R. A., Morgan, P. S., & Evangelou, N. (2018). The MRI central vein marker: differentiating PPMS from RRMS and ischaemic SVD. Neurology, Neuroimmunology and Neuroinflammation, 5(6), Article e496. https://doi.org/10.1212/NXI.0000000000000496

© 2018 The Author(s). Objective To determine whether the assessment of brain white matter lesion (WML) central veins differentiate patients with primary progressive MS (PPMS) from relapsing-remitting MS (RRMS) and ischemic small vessel disease (SVD)... Read More about The MRI central vein marker: differentiating PPMS from RRMS and ischaemic SVD.

Molecular, Pathological, Radiological, and Immune Profiling of Non-brainstem Pediatric High-Grade Glioma from the HERBY Phase II Randomized Trial (2018)
Journal Article
Varlet, P., Mackay, A., Burford, A., Molinari, V., Jones, D. T., Izquierdo, E., …Jones, C. (2018). Molecular, Pathological, Radiological, and Immune Profiling of Non-brainstem Pediatric High-Grade Glioma from the HERBY Phase II Randomized Trial. Cancer Cell, 33(5), 829-842.e5. https://doi.org/10.1016/j.ccell.2018.04.004

The HERBY trial was a phase II open-label, randomized, multicenter trial evaluating bevacizumab (BEV) in addition to temozolomide/radiotherapy in patients with newly diagnosed non-brainstem high-grade glioma (HGG) between the ages of 3 and 18 years.... Read More about Molecular, Pathological, Radiological, and Immune Profiling of Non-brainstem Pediatric High-Grade Glioma from the HERBY Phase II Randomized Trial.

Alterations in the microstructure of white matter in children and adolescents with Tourette syndrome measured using tract-based spatial statistics and probabilistic tractography (2018)
Journal Article
Sigurdsson, H. P., Pépés, S. E., Jackson, G. M., Draper, A., Morgan, P. S., & Jackson, S. R. (2018). Alterations in the microstructure of white matter in children and adolescents with Tourette syndrome measured using tract-based spatial statistics and probabilistic tractography. Cortex, 104, 75-89. https://doi.org/10.1016/j.cortex.2018.04.004

Tourette syndrome (TS) is a neurodevelopmental disorder characterised by repetitive and intermittent motor and vocal tics. TS is thought to reflect fronto-striatal dysfunction and the aetiology of the disorder has been linked to widespread alteration... Read More about Alterations in the microstructure of white matter in children and adolescents with Tourette syndrome measured using tract-based spatial statistics and probabilistic tractography.

Characterisation of insulin analogues therapeutically available to patients (2018)
Journal Article
Adams, G. G., Meal, A., Morgan, P. S., Alzahrani, Q. E., Zobel, H., Lithgo, R., Kok, M. S., Besong, D. T., Jiwani, S. I., Ballance, S., Harding, S. E., Gillis, R. B., & Chayen, N. (2018). Characterisation of insulin analogues therapeutically available to patients. PLoS ONE, 13(3), Article e0195010. https://doi.org/10.1371/journal.pone.0195010

The structure and function of clinical dosage insulin and its analogues were assessed. This included ‘native insulins’ (human recombinant, bovine, porcine), ‘fast-acting analogues’ (aspart, glulisine, lispro) and ‘slow-acting analogues’ (glargine, de... Read More about Characterisation of insulin analogues therapeutically available to patients.

Phase II, open-label, randomized, multicenter trial (HERBY) of Bevacizumab in pediatric patients with newly diagnosed high-grade glioma (2018)
Journal Article
Grill, J., Massimino, M., Bouffet, E., Azizi, A. A., McCowage, G., Cañete, A., …Giangaspero, F. (2018). Phase II, open-label, randomized, multicenter trial (HERBY) of Bevacizumab in pediatric patients with newly diagnosed high-grade glioma. Journal of Clinical Oncology, 36(10), https://doi.org/10.1200/JCO.2017.76.0611

Purpose
Bevacizumab (BEV) is approved in more than 60 countries for use in adults with recurrent glioblastoma. We evaluated the addition of BEV to radiotherapy plus temozolomide (RT+TMZ) in pediatric patients with newly diagnosed high-grade glioma (... Read More about Phase II, open-label, randomized, multicenter trial (HERBY) of Bevacizumab in pediatric patients with newly diagnosed high-grade glioma.

Does tranexamic acid lead to changes in MRI-measures of brain tissue health in patients with spontaneous intracerebral haemorrhage? An MRI sub-study nested within the double-blind randomised controlled TICH-2 trial (2018)
Journal Article
Dineen, R. A., Pszczolkowski, S., Flaherty, K., Law, Z. K., Morgan, P. S., Roberts, I., …Sprigg, N. (in press). Does tranexamic acid lead to changes in MRI-measures of brain tissue health in patients with spontaneous intracerebral haemorrhage? An MRI sub-study nested within the double-blind randomised controlled TICH-2 trial. BMJ Open, 8(2), Article e019930. https://doi.org/10.1136/bmjopen-2017-019930

Objectives: To test whether administration of the antifibrinolytic drug tranexamic acid (TXA) in patients with spontaneous intracerebral haemorrhage (SICH) leads to increased prevalence of diffusion-weighted MRI defined hyperintense ischaemic lesions... Read More about Does tranexamic acid lead to changes in MRI-measures of brain tissue health in patients with spontaneous intracerebral haemorrhage? An MRI sub-study nested within the double-blind randomised controlled TICH-2 trial.