The phrase "a two stage trial" is correct and usable in written English.
It can be used in contexts related to legal proceedings, scientific experiments, or any situation that involves a process divided into two distinct phases.
Example: "The researchers conducted a two stage trial to evaluate the effectiveness of the new drug."
Alternatives: "a two phase trial" or "a dual stage trial".
We also report a set of research questions produced via an initial trial of a two stage, participative process consisting of (a) a survey targeted at city-focussed practitioners in the United Kingdom (UK) with an interest in lower carbon energy futures; and (b) a workshop integrating practitioner and academic perspectives.
We will refer to such a three stage design as a " K: L 1" trial.
— LW, Chicago A. The company behind it, TauRx, is now pursuing two late stage trials for mild-moderate Alzheimer's using a form of the drug called LMTX.
Wyeth and Elan have four final stage trials underway in more than 4,000 Alzheimer's patients that are likely to yield definitive results.
Two final-stage trials, each covering a thousand patients with staph skin infections, aim to clinch a more definitive difference, with results due this summer.
Clive Morris, head of the new opportunities division at AstraZeneca, says medicines that have already been in clinical trials can skip the early phase of drug development and go straight into phase two (mid-stage) trials, which can save three to five years.
This two stage study developed and trialled a respite service decision aid to assist carers of PWD when making judgements about community services.
(a) Comparison of specific power production per t of substrate [kW/t] compared to the state before trial and the three stages of trial.
(b) Comparison of increase in specific power production in percent also compared to the state before trial and the three stages of trial.
Last night, CBS ' hit newsmagazine 60 Minutes devoted not one but two segments to an early-stage trial at Duke University of a cancer therapy that some patients are calling a "miracle". It's a genetically modified form of the polio virus, injected directly into the brains of patients with glioblastoma, a particularly deadly type of brain tumor.
