The phrase "a failed trial" is correct and usable in written English.
It can be used to describe an experiment, test, or legal proceeding that did not achieve its intended outcome or success.
Example: "The researchers published their findings, detailing the reasons behind a failed trial of the new drug."
Alternatives: "an unsuccessful trial" or "a botched trial".
Maternal morbidity did not differ between women with an elective repeat caesarean or a failed trial of labour.
The researchers are also tracking a group of people who have received psychotherapy after a failed trial with drugs.
In 2002, the year after its publication, the US Food and Drug Administration said it should be considered a failed trial because the depressed adolescents taking the drug did no better than those on placebo.
He joined Newport from St Ives in the summer of 2012 after a failed trial at Posh, and has scored eight goals in 48 games for the Exiles.
In Kingston, Canada, Mondex is taking over a failed trial run by Protean, another cash card system, to see if its card will be able to revive consumer interest.
SIGTARP criticized Treasury for counting all trial modifications, even cancelled ones, as successes under the justification that even a failed trial period allows a borrower to stay in their home longer.
Cooperators and free-riders were observed, and each case, followed by a successful or failed trial, was described (Fig. 5).
One example of a failed Go trial is shown (1 st trial on the raster plot).
Four years ago it formalized a division to analyze failed trials.
Researchers at Lilly were among those believers, because even in the two previously failed trials, a subgroup of patients whose symptoms were mild did show some improvement while taking the drug.
When vision was removed, the CAI group had a greater number of failed trials compared to the control group.
