Publications by authors named "Azhar Ansari"

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Depth of Invasion as an Independent Indication for Postoperative Radiation Therapy in Oral Tongue Squamous Cell Carcinoma.
Sarthak Tandon, Parveen Ahlawat, Shaifali Mahajan, Akash Bellige, Shubham Mishra, Azhar Ansari

Int J Radiat Oncol Biol Phys· October 2025

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The 'Obesity First' approach: Redefining the future of healthcare.
Chris J J Mulder, Ahmed B Bayoumy, Azhar R Ansari

Indian J Gastroenterol· October 2025

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DEHyART trial: Study protocol for phase 2 randomised controlled study assessing the role of dose escalation using [18F] fluoromisonidazole positron emission tomography/computed tomography in head and neck cancers.
Sarthak Tandon, Manoj Gupta, Parveen Ahlawat, Madhur Verma, Apoorva Nayak, Azhar Ansari

Ecancermedicalscience· September 2025

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Re-irradiation in head and neck cancer: thirteen years of insights.
Gerim Prasai, Parveen Ahlawat, Sarthak Tandon, Sauharda Lohani, Shaifali Mahajan, Azhar Mohammed Ansari

Rep Pract Oncol Radiother· June 2025

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Uphill battle: Innovation of thiopurine therapy in global inflammatory bowel disease care.
Ahmed B Bayoumy, Chris J J Mulder, Azhar R Ansari, Murray L Barclay, Tim Florin

Indian J Gastroenterol· February 2024

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Azathioprine with Allopurinol Is a Promising First-Line Therapy for Inflammatory Bowel Diseases.
Elsa L S A van Liere, Ahmed B Bayoumy, Chris J J Mulder, Ben Warner, Bu Hayee, Azhar R Ansari

Dig Dis Sci· August 2022

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Correction to: Efficacy, safety and drug survival of thioguanine as maintenance treatment for inflammatory bowel disease: a retrospective multi-centre study in the United Kingdom.
Ahmed B Bayoumy, Elsa L S A van Liere, Melek Simsek, Ben Warner, Aathavan Loganayagam, Azhar Ansari

BMC Gastroenterol· April 2022

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Relationship Between Thiopurine S-Methyltransferase Genotype/Phenotype and 6-Thioguanine Nucleotide Levels in 316 Patients With Inflammatory Bowel Disease on 6-Thioguanine.
Ahmed B Bayoumy, Chris J J Mulder, Aathavan Loganayagam, Jeremy D Sanderson, Simon Anderson, Azhar R Ansari

Ther Drug Monit· October 2021

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Deodorant aerosol spray can in the rectum: a potential fire hazard during surgery.
Sivaraman Kumarasamy, Lileswar Kaman, Azhar Ansari, Amarjyoti Hazarika

BMJ Case Rep· May 2021

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Efficacy, safety and drug survival of thioguanine as maintenance treatment for inflammatory bowel disease: a retrospective multi-centre study in the United Kingdom.
Ahmed B Bayoumy, Elsa L S A van Liere, Melek Simsek, Ben Warner, Aathavan Loganayagam, Azhar Ansari

BMC Gastroenterol· September 2020

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The continuous rediscovery and the benefit-risk ratio of thioguanine, a comprehensive review.
Ahmed B Bayoumy, Melek Simsek, Margien L Seinen, Chris J J Mulder, Azhar Ansari

Expert Opin Drug Metab Toxicol· February 2020

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Flare to care - future management of long-term conditions.
Antony Aziz, Rebecca Reynolds, Claire Bull, Karen Street, Branita Mills, Azhar Ansari

Future Healthc J· March 2019

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PROCESS AND SYSTEMS: A population-based model of care for people with inflammatory bowel disease - patient-reported outcomes.
Antony Aziz, Rebecca Reynolds, Azhar Ansari

Future Healthc J· February 2019

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Azathioprine with Allopurinol: Lower Deoxythioguanosine in DNA and Transcriptome Changes Indicate Mechanistic Differences to Azathioprine Alone.
Sally A Coulthard, Phil Berry, Sarah McGarrity, Simon McLaughlin, Azhar Ansari

Inflamm Bowel Dis· June 2017

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Liquid chromatography-mass spectrometry for measuring deoxythioguanosine in DNA from thiopurine-treated patients.
Sally A Coulthard, Phil Berry, Sarah McGarrity, Azhar Ansari, Christopher P F Redfern

J Chromatogr B Analyt Technol Biomed Life Sci· August 2016

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Long-term Safety and Efficacy of Low-dose Azathioprine and Allopurinol Cotherapy in Inflammatory Bowel Disease: A Large Observational Study.
Polychronis Pavlidis, Panagiotis Stamoulos, Answar Abdulrehman, Patrick Kerr, Claire Bull, Azhar Ansari

Inflamm Bowel Dis· July 2016

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Successful Pregnancies with Thiopurine-Allopurinol Co-Therapy for Inflammatory Bowel Disease.
Mohammed Sheikh, Catherine Nelson-Piercy, John Duley, Timothy Florin, Azhar Ansari

J Crohns Colitis· August 2015

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Splitting a therapeutic dose of thioguanine may avoid liver toxicity and be an efficacious treatment for severe inflammatory bowel disease: a 2-center observational cohort study.
Polychronis Pavlidis, Azhar Ansari, John Duley, Iulia Oancea, Timothy Florin

Inflamm Bowel Dis· December 2014

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Difficulties and possibilities with thiopurine therapy in inflammatory bowel disease--proceedings of the first Thiopurine Task Force meeting.
Dirk P van Asseldonk, Jeremy Sanderson, Nanne K H de Boer, Miles P Sparrow, Marc Lémann, Azhar Ansari

Dig Liver Dis· April 2011

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Further experience with the use of 6-thioguanine in patients with Crohn's disease.
Azhar Ansari, Tim Elliott, Farina Fong, Monica Arenas-Hernandez, Giles Rottenberg

Inflamm Bowel Dis· October 2008

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Typing TPMT and ITPase to detect azathioprine toxicity.
Monica Arenas, Anthony Marinaki, Azhar Ansari, Jeremy Sanderson

Per Med· February 2006

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Genetic variation in the MTHFR gene influences thiopurine methyltransferase activity.
Monica Arenas, Gemma Simpson, Cathryn M Lewis, El-Monsor Shobowale-Bakre, Emilia Escuredo, Azhar Ansari

Clin Chem· December 2005

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Experience with the use of low-dose methotrexate for inflammatory bowel disease.
Su Yang Soon, Azhar Ansari, May Yaneza, Shariqa Raoof, Jo Hirst

Eur J Gastroenterol Hepatol· September 2004

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Thiopurine methyltransferase: should it be measured before commencing thiopurine drug therapy?
Jeremy Sanderson, Azhar Ansari, Tony Marinaki, John Duley

Ann Clin Biochem· July 2004

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Adverse drug reactions to azathioprine therapy are associated with polymorphism in the gene encoding inosine triphosphate pyrophosphatase (ITPase).
Anthony M Marinaki, Azhar Ansari, John A Duley, Monica Arenas, Satoshi Sumi

Pharmacogenetics· March 2004

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