The phrase "a trial comparing" is correct and usable in written English.
It can be used when discussing a study or experiment that evaluates the differences or effects of two or more subjects, treatments, or conditions.
Example: "The researchers conducted a trial comparing the effectiveness of the new drug to the standard treatment."
Alternatives: "a study evaluating" or "an experiment contrasting".
22 We tested the hypothesis that industry sponsorship bias would occur when a pharmaceutical sponsor favoured its own product in placebo controlled or active comparator trials, or the highest dose of its own drug in a trial comparing multiple doses.
In this paper, we propose two new response-adaptive designs to use in a trial comparing treatments with continuous outcomes.
It recently hit a obstacle in a trial comparing it with other schizophrenia drugs on the market but Deutsche thinks this has not hurt growth.
Genentech did not conduct a trial comparing Avastin with any other drug or with a placebo, making it hard to tell whether the drug worked.
Rowe learned about a trial comparing Gleevec with interferon, then the standard therapy for his illness, and asked his doctor to help him apply.
This study aimed to report patient factors that influenced participation in a trial comparing surgery to a non-surgical treatment approach.
Or should there now be a trial comparing ECMO to conventional therapies, with morbidity and cost of care as the outcome variables?
Using decision analysis we simulated a trial comparing diet and exercise therapy to laparoscopic gastric bypass surgery to determine which approach resulted in longer life expectancy.
But for patients who lack symptoms, all sides agree that a trial comparing the benefits and risks of surgery, stenting and modern medical therapy is sorely needed.
In a trial comparing two pills, for example, we make sure that participants don't know which pill they're getting, so that their expectations don't change the symptoms they report.
Using immunogenicity data collected during a trial comparing the 7-valent (PCV7) and 13-valent (PCV13) vaccines, we measured associations between serotype-specific IgG levels, and used multiple regressions to identify demographic predictors of response.
