Publications by authors named "Alexis Llewellyn"

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Anti-VEGF drugs compared with laser photocoagulation for the treatment of diabetic retinopathy: a systematic review and economic analysis.
Mark Simmonds, Matthew Walton, Rob Hodgson, Alexis Llewellyn, Ruth Walker

Health Technol Assess· May 2025

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Anti-VEGF drugs compared with laser photocoagulation for the treatment of proliferative diabetic retinopathy: a systematic review and individual participant data meta-analysis.
Mark Simmonds, Alexis Llewellyn, Ruth Walker, Helen Fulbright, Matthew Walton

Health Technol Assess· April 2025

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Efficacy and safety of statins, ezetimibe and statins-ezetimibe therapies for children and adolescents with heterozygous familial hypercholesterolaemia: Systematic review, pairwise and network meta-analyses of randomised controlled trials.
Alexis Llewellyn, Mark Simmonds, David Marshall, Melissa Harden, Beth Woods

Atherosclerosis· February 2025

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Balloon dilatation of the Eustachian tube for obstructive Eustachian tube dysfunction in adults.
Chloe Swords, Matthew E Smith, Anant Patel, Gill Norman, Alexis Llewellyn

Cochrane Database Syst Rev· February 2025

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A systematic review of the cost-effectiveness of anti-VEGF drugs for the treatment of diabetic retinopathy.
Robert Hodgson, Matthew Walton, Helen Fulbright, Laura Bojke, Ruth Walker, Alexis Llewellyn

Health Technol Assess· January 2025

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Anti-VEGF drugs compared with laser photocoagulation for the treatment of diabetic retinopathy: a systematic review and meta-analysis.
Mark Simmonds, Alexis Llewellyn, Ruth Walker, Helen Fulbright, Matthew Walton

Health Technol Assess· December 2024

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MRI software and cognitive fusion biopsies in people with suspected prostate cancer: a systematic review, network meta-analysis and cost-effectiveness analysis.
Alexis Llewellyn, Thai Han Phung, Marta O Soares, Lucy Shepherd, David Glynn

Health Technol Assess· October 2024

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Anti-Vascular Endothelial Growth Factor Drugs Compared With Panretinal Photocoagulation for the Treatment of Proliferative Diabetic Retinopathy: A Cost-Effectiveness Analysis.
Matthew Walton, Laura Bojke, Mark Simmonds, Ruth Walker, Alexis Llewellyn

Value Health· July 2024

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Coenzyme Q10 to manage chronic heart failure with a reduced ejection fraction: a systematic review and economic evaluation.
Lindsay Claxton, Mark Simmonds, Lucy Beresford, Richard Cubbon, Mark Dayer, Alexis Llewellyn

Health Technol Assess· January 2022

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Cost-effectiveness of point-of-care creatinine testing to assess kidney function prior to contrast-enhanced computed tomography imaging.
Ana Duarte, Simon Walker, James Altunkaya, Sofia Dias, Mark Corbett, Alexis Llewellyn

Eur J Radiol· September 2021

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Non-invasive imaging software to assess the functional significance of coronary stenoses: a systematic review and economic evaluation.
Ana Duarte, Alexis Llewellyn, Ruth Walker, Laetitia Schmitt, Kath Wright

Health Technol Assess· September 2021

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Exploring Heterogeneity in Histology-Independent Technologies and the Implications for Cost-Effectiveness.
Peter Murphy, Lindsay Claxton, Robert Hodgson, David Glynn, Lucy Beresford, Alexis Llewellyn

Med Decis Making· February 2021

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Imaging for detection of osteomyelitis in people with diabetic foot ulcers: A systematic review and meta-analysis.
Alexis Llewellyn, Jeannette Kraft, Colin Holton, Melissa Harden, Mark Simmonds

Eur J Radiol· October 2020

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Point-of-care creatinine tests to assess kidney function for outpatients requiring contrast-enhanced CT imaging: systematic reviews and economic evaluation.
Mark Corbett, Ana Duarte, Alexis Llewellyn, James Altunkaya, Melissa Harden

Health Technol Assess· August 2020

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Defining professionalism for mental health services: a rapid systematic review.
Lauren M E Aylott, Paul A Tiffin, Mona Saad, Alexis R Llewellyn, Gabrielle M Finn

J Ment Health· October 2019

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Imaging tests for the detection of osteomyelitis: a systematic review.
Alexis Llewellyn, Julie Jones-Diette, Jeannette Kraft, Colin Holton, Melissa Harden

Health Technol Assess· October 2019

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High-throughput, non-invasive prenatal testing for fetal rhesus D status in RhD-negative women: a systematic review and meta-analysis.
Huiqin Yang, Alexis Llewellyn, Ruth Walker, Melissa Harden, Pedro Saramago

BMC Med· February 2019

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Adjunctive colposcopy technologies for assessing suspected cervical abnormalities: systematic reviews and economic evaluation.
Mathilde Peron, Alexis Llewellyn, Thirimon Moe-Byrne, Simon Walker, Matthew Walton

Health Technol Assess· September 2018

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High-throughput non-invasive prenatal testing for fetal rhesus D status in RhD-negative women not known to be sensitised to the RhD antigen: a systematic review and economic evaluation.
Pedro Saramago, Huiqin Yang, Alexis Llewellyn, Ruth Walker, Melissa Harden

Health Technol Assess· March 2018

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Interventions for hyperhidrosis in secondary care: a systematic review and value-of-information analysis.
Ros Wade, Stephen Rice, Alexis Llewellyn, Eoin Moloney, Julie Jones-Diette

Health Technol Assess· December 2017

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Evaluating progestogens for prevention of preterm birth international collaborative (EPPPIC) individual participant data (IPD) meta-analysis: protocol.
Lesley A Stewart, Mark Simmonds, Lelia Duley, Kristina Charlotte Dietz, Melissa Harden, Alexis Llewellyn

Syst Rev· November 2017

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Daclatasvir for the Treatment of Chronic Hepatitis C: A Critique of the Clinical and Economic Evidence.
Alexis Llewellyn, Rita Faria, Beth Woods, Mark Simmonds, James Lomas

Pharmacoeconomics· October 2016

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The Clinical and Cost Effectiveness of Vortioxetine for the Treatment of a Major Depressive Episode in Patients With Failed Prior Antidepressant Therapy: A Critique of the Evidence.
James Lomas, Alexis Llewellyn, Marta Soares, Mark Simmonds, Kath Wright

Pharmacoeconomics· September 2016

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Antiretroviral therapy and liver disease progression in HIV and hepatitis C co-infected patients: a systematic review and meta-analysis.
Alexis Llewellyn, Mark Simmonds, Will L Irving, Ginny Brunton, Amanda J Sowden

Hepatol Med Policy· August 2016

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The Use of Bayesian Networks to Assess the Quality of Evidence from Research Synthesis: 2. Inter-Rater Reliability and Comparison with Standard GRADE Assessment.
Alexis Llewellyn, Craig Whittington, Gavin Stewart, Julian Pt Higgins, Nick Meader

PLoS One· June 2016

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