Sentences with phrase «efficacy trials often»

But efficacy trials often involve only several hundred to a few thousand patients.

Not exact matches

They haven't been subjected to clinical trials, and often little is known about their chemical composition, side effects or efficacy.

The company plans in October to conduct a separate test specifically to study the seasonal flu vaccine's effectiveness among 480 elderly participants (a demographic often encouraged to get seasonal flu shots), and Phase III efficacy trials across a larger set of demographics are scheduled to begin early next year.

Efficacy of individualised diets in patients with irritable bowel syndrome: a randomised controlled trial Ather Ali, 1 Theresa R Weiss, 1 Douglas McKee, 2 Alisa Scherban, 1 Sumiya Khan, 1 Maxine R Fields, 1 Damian Apollo, 1 Wajahat Z Mehal1 Published in BMJ, Open Gastroenterology View Publication Abstract Background Patients with irritable bowel syndrome (IBS) are often placed on diets guided by food intolerance assays, although these...

Randomised controlled trials (RCTs) are the gold standard for determining the efficacy of interventions; however, such evidence for early childhood interventions is often not available.

Efficacy trials concentrate on maintaining the internal validity of the study to demonstrate treatment effects and emphasis is often placed on reducing conditions that might prevent treatment effects from emerging by eliminating more complex subjects (e.g., excluding those exhibiting comorbidity), eliminating more complex families that might not be able to complete or carry out treatment, or including children exhibiting high symptom levels but not meeting diagnostic criteria for the disorder under study.