The research by the Cochrane Collaboration
involved experts from universities including Liverpool, Warwick and Manchester.
researchers previously published a review of this topic in 2008.
In a Cochrane Collaboration
review of 26 prospective studies with 4,893 participants, 6%-23% of patients dropped out of the clinical trials (depending on the route of drug administration) due to inefficacy or side effects, but those who finished the studies maintained clinically significant reductions in pain during up to 48 months of opioid use, Meredith Noble and her associates reported.
The event is organised by the Bahrain branch of the UK's Cochrane Centre, which comes under the umbrella of the Cochrane Collaboration
(CC) - an international organisation that makes up-to-date, accurate information about the effects of healthcare worldwide.
But it also lives on in the work of the Cochrane Collaboration
, an international, not-for-profit organisation, which provides up-to-date information and research on the effects of healthcare.
Drs Young and Araoyinbo and Professor Volmink are staff members of the South African Cochrane Centre (an intramural unit of the South African Medical Research Council) which is part of the international Cochrane Collaboration
, a non-profit organisation operating worldwide, which disseminates up-to-date reviews on the effects of health care interventions in order to help people make well-informed decisions.
But now researchers at Cochrane Collaboration
say traditional manual toothbrushes are just as good.
Richard Horton, editor of the Lancet, praised the "rigorous and well-developed method" for conducting systematic literature reviews that is used by researchers in the Cochrane Collaboration
The overall survival results corroborate an earlier review by the Cochrane Collaboration
, published in 2006, which is included in the WARNINGS section of the current U.
An extensive literature review by the Cochrane Collaboration
found a "modest" effect of vaccine on influenza symptoms or workdays lost.
Although some previous studies and anecdotal evidence have suggested that the combined oral contraceptive pill could have an impact on painful periods, a 2009 review of all the available research by the prestigious Cochrane Collaboration
concluded that there was limited evidence for pain improvement.
The earlier studies were included in a review by the Cochrane Collaboration
(The Cochrane Library 2001; 2).