Outputs (42)

Assessing Water Content of the Human Colonic Chyme Using the MRI Parameter T1: A Key Biomarker of Colonic Function (2025)
Journal Article
Dellschaft, N., Murray, K., Ren, Y., Marciani, L., Gowland, P., Spiller, R., & Hoad, C. (2025). Assessing Water Content of the Human Colonic Chyme Using the MRI Parameter T1: A Key Biomarker of Colonic Function. Neurogastroenterology and Motility, https://doi.org/10.1111/nmo.14999

Background
The human colon receives 2 L of fluid daily. Small changes in the efficacy of absorption can lead to altered stool consistency with diarrhea or constipation. Drugs and formulations can also alter colonic water, which can be assessed using... Read More about Assessing Water Content of the Human Colonic Chyme Using the MRI Parameter T1: A Key Biomarker of Colonic Function.

Magnetic Resonance Imaging Reveals Novel Insights into the Dual Mode of Action of Bisacodyl: A Randomized, Placebo-controlled Trial in Constipation (2024)
Journal Article
Aliyu, A., Dellschaft, N., Hoad, C., Williams, H., Gaudoin, E., Sulaiman, S., Crooks, C., Gowland, P., Alexia, A., Lange, R., Bois de Fer, B., Corsetti, M., Marciani, L., & Spiller, R. (2024). Magnetic Resonance Imaging Reveals Novel Insights into the Dual Mode of Action of Bisacodyl: A Randomized, Placebo-controlled Trial in Constipation. Clinical Pharmacology and Therapeutics, https://doi.org/10.1002/cpt.3532

Bisacodyl is a widely used laxative that stimulates both motility and secretion. Our aim was to exploit the unique capabilities of MRI to define bisacodyl's mode of action. Two placebo-controlled cross-over trials were performed, one using a single d... Read More about Magnetic Resonance Imaging Reveals Novel Insights into the Dual Mode of Action of Bisacodyl: A Randomized, Placebo-controlled Trial in Constipation.

Novel Use of Manganese Gluconate as a Marker for Visualization of Tablet Dissolution in the Fed Human Stomach Using Magnetic Resonance Imaging (2024)
Journal Article
Akbar, T., Gershkovich, P., Stamatopoulos, K., Gowland, P., Stolnik, S., Butler, J., & Marciani, L. (2025). Novel Use of Manganese Gluconate as a Marker for Visualization of Tablet Dissolution in the Fed Human Stomach Using Magnetic Resonance Imaging. Molecular Pharmaceutics, 22(1), 594-598. https://doi.org/10.1021/acs.molpharmaceut.4c00854

Magnetic resonance imaging (MRI) of dry or solid materials in the gastrointestinal (GI) tract requires the use of contrast agents to enhance visualisation of the dosage forms. In this study, we explore the novel use of manganese gluconate added to ta... Read More about Novel Use of Manganese Gluconate as a Marker for Visualization of Tablet Dissolution in the Fed Human Stomach Using Magnetic Resonance Imaging.

Combined magnetic resonance imaging, high resolution manometry and a randomised trial of bisacodyl versus hyoscine shows the significance of an enlarged colon in constipation: the RECLAIM study (2024)
Journal Article
Wilkinson-Smith, V., Scott, M., Menys, A., Wiklendt, L., MARCIANI, L., Atkinson, D., Sansone, S., Zdanavciene, A., Coupland, C., Knowles, C., Dinning, P., Taylor, S., Gowland, P., Hoad, C., Corsetti, M., & Spiller, R. (2025). Combined magnetic resonance imaging, high resolution manometry and a randomised trial of bisacodyl versus hyoscine shows the significance of an enlarged colon in constipation: the RECLAIM study. Gut, 74(1), 35-44. https://doi.org/10.1136/gutjnl-2024-332755

Background
Colonic motility in constipation can be assessed non-invasively using MRI.

Objective
To compare MRI with high resolution colonic manometry (HRCM) for predicting treatment response.

Design
Part 1: 44 healthy volunteers (HV), 43... Read More about Combined magnetic resonance imaging, high resolution manometry and a randomised trial of bisacodyl versus hyoscine shows the significance of an enlarged colon in constipation: the RECLAIM study.

A randomised crossover trial of tezacaftor-ivacaftor for gut dysfunction in cystic fibrosis with magnetic resonance imaging (MRI) outcomes. (2023)
Journal Article
Ng, C., Dellschaft, N. S., Hoad, C., Marciani, L., Spiller, R., Crooks, C., Hill, T., Menys, A., Mainz, J. G., Barr, H., Gowland, P. A., Major, G., & Smyth, A. R. (2023). A randomised crossover trial of tezacaftor-ivacaftor for gut dysfunction in cystic fibrosis with magnetic resonance imaging (MRI) outcomes. NIHR Open Research, 3(65), 1-16. https://doi.org/10.3310/nihropenres.13510.1

Background

People with cystic fibrosis (CF) can experience recurrent chest infections, pancreatic exocrine insufficiency and gastrointestinal symptoms. New cystic fibrosis transmembrane conductance regulator (CFTR) modulator drugs improve lung fun... Read More about A randomised crossover trial of tezacaftor-ivacaftor for gut dysfunction in cystic fibrosis with magnetic resonance imaging (MRI) outcomes..

Comparing magnetic resonance liver fat fraction measurements with histology in fibrosis: the difference between proton density fat fraction and tissue mass fat fraction (2022)
Journal Article
Bawden, S. J., Hoad, C., Kaye, P., Stephenson, M., Dolman, G., James, M. W., Wilkes, E., Austin, A., Guha, I. N., Francis, S., Gowland, P., & Aithal, G. P. (2023). Comparing magnetic resonance liver fat fraction measurements with histology in fibrosis: the difference between proton density fat fraction and tissue mass fat fraction. Magnetic Resonance Materials in Physics, Biology and Medicine, 36(4), 553-563. https://doi.org/10.1007/s10334-022-01052-0

Objective: Magnetic resonance spectroscopy (MRS) provides a powerful method of measuring fat fraction. However, previous studies have shown that MRS results give lower values compared with visual estimates from biopsies in fibrotic livers. This study... Read More about Comparing magnetic resonance liver fat fraction measurements with histology in fibrosis: the difference between proton density fat fraction and tissue mass fat fraction.

Pilot Double-Blind Randomised Controlled Trial: Effects of Jejunal Nutrition on Postprandial Distress in Diabetic Gastropathy (J4G Trial) (2022)
Journal Article
Carneiro, L., White, J., Parker, H., Hoad, C., Tucker, E., Marciani, L., Gowland, P., Gazis, T., Walker, M., & Fox, M. (2022). Pilot Double-Blind Randomised Controlled Trial: Effects of Jejunal Nutrition on Postprandial Distress in Diabetic Gastropathy (J4G Trial). Nutrients, 14(7), Article 1321. https://doi.org/10.3390/nu14071321

Nausea, vomiting and abdominal pain in diabetic patients are often attributed to diabetic gastropathy (DG). Post-pyloric (“jejunal”) enteral nutrition (JN) may improve nutrition and glycaemia in difficult cases. The acute effects of JN on postprandia... Read More about Pilot Double-Blind Randomised Controlled Trial: Effects of Jejunal Nutrition on Postprandial Distress in Diabetic Gastropathy (J4G Trial).

Quantitative magnetic resonance imaging in perianal crohn’s disease at 1.5 and 3.0 T: A feasibility study (2021)
Journal Article
Alyami, A., Hoad, C. L., Tench, C., Bannur, U., Clarke, C., Latief, K., Argyriou, K., Lobo, A., Lung, P., Baldwin-Cleland, R., Sahnan, K., Hart, A., Limdi, J. K., McLaughlin, J., Atkinson, D., Parker, G. J. M., O’Connor, J. P. B., Little, R. A., Gowland, P. A., & Moran, G. W. (2021). Quantitative magnetic resonance imaging in perianal crohn’s disease at 1.5 and 3.0 T: A feasibility study. Diagnostics, 11(11), Article 2135. https://doi.org/10.3390/diagnostics11112135

Perianal Crohn’s Disease (pCD) is a common manifestation of Crohn’s Disease. Absence of reliable disease measures makes disease monitoring unreliable. Qualitative MRI has been increasingly used for diagnosing and monitoring pCD and has shown potentia... Read More about Quantitative magnetic resonance imaging in perianal crohn’s disease at 1.5 and 3.0 T: A feasibility study.

Small bowel water content assessed by MRI in health and disease: a collation of single-centre studies (2021)
Journal Article
Dellschaft, N., Hoad, C., Marciani, L., Gowland, P., & Spiller, R. (2022). Small bowel water content assessed by MRI in health and disease: a collation of single-centre studies. Alimentary Pharmacology and Therapeutics, 55(3), 327-338. https://doi.org/10.1111/apt.16673

Background: New developments in MRI have allowed the non-invasive, accurate measurement of the small bowel water content (SBWC). Aims: To collate studies measuring SBWC following ingestion of a range of foods in both health and disease to provide dat... Read More about Small bowel water content assessed by MRI in health and disease: a collation of single-centre studies.

Effects of an isoenergetic low Glycaemic Index (GI) diet on liver fat accumulation and gut microbiota composition in patients with non-alcoholic fatty liver disease (NAFLD): A study protocol of an efficacy mechanism evaluation (2021)
Journal Article
Al-Awadi, A., Grove, J., Taylor, M., Valdes, A., Vijay, A., Bawden, S., Gowland, P., & Aithal, G. (2021). Effects of an isoenergetic low Glycaemic Index (GI) diet on liver fat accumulation and gut microbiota composition in patients with non-alcoholic fatty liver disease (NAFLD): A study protocol of an efficacy mechanism evaluation. BMJ Open, 11(10), Article e045802. https://doi.org/10.1136/bmjopen-2020-045802

Introduction A Low Glycaemic Index (LGI) diet is a proposed lifestyle intervention in non-alcoholic fatty liver diseases (NAFLD) which is designed to reduce circulating blood glucose levels, hepatic glucose influx, insulin resistance and de novo lipo... Read More about Effects of an isoenergetic low Glycaemic Index (GI) diet on liver fat accumulation and gut microbiota composition in patients with non-alcoholic fatty liver disease (NAFLD): A study protocol of an efficacy mechanism evaluation.