The Japan Clinical Oncology Group (JCOG) is a cooperative oncology gro
up with the aims of conducting, developing, coordinating and stimulati
ng clinical research in Japan on the treatment of cancer and related p
roblems, The purpose of JCOG is to establish and improve the standard
of cancer treatment, mainly in solid cancer, through the testing of ne
w therapeutic regimens or combined modalities, using drugs that are ne
wly-approved or already commercially available. Research sponsored by
JCOG is accomplished mainly through the execution of large, prospectiv
e, randomized, multicenter, clinical trials, In this way, JCOG facilit
ates the passage of new clinical trial discoveries into state-of-the-a
rt treatment.