Sentences with phrase «limits on clinical trials»
«The charter encourages researchers to take into account the biological age of a person rather than their chronological age,» he says, adding that imposing upper age limits on clinical trials is unjustifiable.
https://www.newscientist.com/ Not exact matches
Effect of Protein Intake on Lean Body Mass in Functionally Limited Older Men: A Randomized Clinical Trial.
However, the supporting evidence is limited and mainly based on observational studies and short - term clinical trials (1, 2).
There are very limited studies on pregnant women determining the effects of hydroquinone on pregnancy (since I assume most pregnant women don't want to be part of such clinical trials...), but due to hydroquinone's high absorption rate and animal studies reporting carcinogenic effects in rats, it's recommended pregnant and nursing women avoid using this chemical.
The search was limited by language (the paper had to be in English), by methodology (the study had to be an empirical study, experimental replication, follow - up study, longitudinal study, prospective study, retrospective study, quantitative study, or treatment outcome / randomized clinical trial), by publication type (the study had to be a journal article published in a peer - reviewed journal), and by sample (the study had to be conducted on humans).