clinical trial

(redirected from Phase I trials)
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Related to Phase I trials: clinical test

clinical trial

[¦klin·i·kəl ′trīl]
(medicine)
A research study used to find better ways to treat individuals with a specific disease, patients are evaluated after being administered a new treatment or drug.
References in periodicals archive ?
Such risks and uncertainties include: the risk that the safety data observed in Gilead's Phase I trials may not be observed in its more reliable Phase II trials; uncertainties associated with observations of anti-tumor activity in Phase I trials that were not designed to evaluate efficacy, and the risk that this activity may not be observed in Phase II trials that are designed to evaluate efficacy; the risk that Phase II trials may demonstrate that NX 211 does not have sufficient anti-tumor activity at tolerable doses; the risk that GS 7904L and GS 7836 may not be suitable for clinical development as early as we anticipate or at all; and other risks related to clinical trials and regulatory approvals.