User profiles for "author:Igho Onakpoya"

IGHO ONAKPOYA

UNIVERSITY OF OXFORD
Verified email at conted.ox.ac.uk
Cited by 8682

Neuraminidase inhibitors for preventing and treating influenza in adults and children

T Jefferson, MA Jones, P Doshi… - Cochrane database …, 2014 - cochranelibrary.com
Background Neuraminidase inhibitors (NIs) are stockpiled and recommended by public
health agencies for treating and preventing seasonal and pandemic influenza. They are …

[HTML][HTML] Post-marketing withdrawal of 462 medicinal products because of adverse drug reactions: a systematic review of the world literature

IJ Onakpoya, CJ Heneghan, JK Aronson - BMC medicine, 2016 - Springer
Background There have been no studies of the patterns of post-marketing withdrawals of
medicinal products to which adverse reactions have been attributed. We identified medicinal …

Oseltamivir for influenza in adults and children: systematic review of clinical study reports and summary of regulatory comments

T Jefferson, M Jones, P Doshi, EA Spencer, I Onakpoya… - Bmj, 2014 - bmj.com
Objective To describe the potential benefits and harms of oseltamivir by reviewing all clinical
study reports (or similar document when no clinical study report exists) of randomised …

The global burden of diagnostic errors in primary care

H Singh, GD Schiff, ML Graber, I Onakpoya… - BMJ quality & …, 2017 - qualitysafety.bmj.com
Diagnosis is one of the most important tasks performed by primary care physicians. The
World Health Organization (WHO) recently prioritized patient safety areas in primary care …

Effects of empathic and positive communication in healthcare consultations: a systematic review and meta-analysis

J Howick, A Moscrop, A Mebius… - Journal of the Royal …, 2018 - journals.sagepub.com
Background Practitioners who enhance how they express empathy and create positive
expectations of benefit could improve patient outcomes. However, the evidence in this area …

[HTML][HTML] The use of green coffee extract as a weight loss supplement: a systematic review and meta-analysis of randomised clinical trials

I Onakpoya, R Terry, E Ernst - Gastroenterology research and …, 2010 - hindawi.com
The purpose of this paper is to assess the efficacy of green coffee extract (GCE) as a weight
loss supplement, using data from human clinical trials. Electronic and nonelectronic …

[HTML][HTML] The safety of herbal medicine: from prejudice to evidence

J Zhang, IJ Onakpoya, P Posadzki… - … and alternative medicine, 2015 - hindawi.com
About 100 years ago, natural herbs were the main remedy for treating human diseases. It
has been estimated that 25% of modern medicines are made from plants first used …

The effect of green tea on blood pressure and lipid profile: a systematic review and meta-analysis of randomized clinical trials

I Onakpoya, E Spencer, C Heneghan… - Nutrition, Metabolism and …, 2014 - Elsevier
Introduction Many different dietary supplements are currently marketed for the management
of hypertension, but the evidence for effectiveness is mixed. The aim of this systematic …

[HTML][HTML] The Use of Garcinia Extract (Hydroxycitric Acid) as a Weight loss Supplement: A Systematic Review and Meta-Analysis of Randomised Clinical Trials

I Onakpoya, SK Hung, R Perry, B Wider, E Ernst - Journal of obesity, 2011 - hindawi.com
The aim of this systematic review is to examine the efficacy of Garcinia extract, hydroxycitric
acid (HCA) as a weight reduction agent, using data from randomised clinical trials (RCTs) …

Effects of placebos without deception compared with no treatment: a systematic review and meta‐analysis

JEG Charlesworth, G Petkovic… - Journal of Evidence …, 2017 - Wiley Online Library
Objective To investigate the clinical efficacy of open‐label placebos compared with no
treatment in a systematic review and meta‐analysis. Methods We searched the Cochrane …