A clinical research protocol generally referred to as a pilot or feasibility trial that aims to prove the concept of the new intervention in question.
Synonyms: phase 2a Trial Phase 2A PHASE IIA TRIAL Trial Phase IIA Phase IIa Trial 2A
Term information
NCIT_C132298, NCIT_C66737, NCIT_C66830, NCIT_C61410, NCIT_C67497
A clinical research protocol generally referred to as a pilot or feasibility trial that aims to prove the concept of the new intervention in question. (NCI)
Controlled clinical studies that occur after the completion of Phase 1 studies and the first set of exposure-response studies in patients, and before beginning Phase 2b (i.e., patient dose-ranging trial) and Phase 3 clinical efficacy-safety studies. [FDA draft Guidance for industry end of Phase 2a meetings, 9/08].