The phrase "as a proxy trial" is correct and usable in written English.
It can be used in contexts where a trial is being conducted as a substitute or representative for another situation or case.
Example: "The researchers conducted the experiment as a proxy trial to evaluate the effectiveness of the new drug in a controlled environment."
Alternatives: "as a representative trial" or "as a substitute trial".
The Gotovina case became a proxy trial of the Tudjman regime.
In addition, "quality of reporting" is commonly used as a proxy for trial quality, which has complicated the construct of "quality" even more.
Performance in familiar repetition trials (that were differentially fed back and rewarded, and shown in between test trials) was used as a proxy for individuals' attentiveness during test sessions: across a total of 34 test sessions (including all individuals and tests), repetition trials were mastered successfully in 30 sessions and failed in four instances.
The random allocation of common variation in genotypes (Mendelian randomization) can be used as a proxy for a therapeutic drug trial, which he illustrated with the example of the cholesteryl ester transfer protein gene CETP Taq1B variant and the CETP inhibitor torcetrapib.
This may suggest that while the number of annually registered trials increased, the proportion of trials registered may not have increased as much (however, caution is warranted in drawing such conclusions; we used countries' expenditures on health research as a proxy for the number of trials being conducted in a country, but these two are not necessarily linearly correlated).
Second, systematic reviews and trials can only serve as a proxy for high-quality evidence and information, but we did not evaluate the relevance and applicability of the completed trials in low-income countries.
Systematic reviews and trials can only serve as a proxy for high-quality evidence and information.
Usage of a clinical study in systematic reviews can be used as a proxy for quality and the practical value of the trial.
We analysed the validity of telephone self-report as a proxy for in-person follow up in a cellulitis treatment trial comparing cephalexin alone with cephalexin-plus-trimethoprim/sulfamethoxazole.
Depending upon the validity, we will decide to either use cotinine test (or CO test) in the actual trial or just the subjective assessment as a proxy.
