AKT1 and melanoma: And now, a limited number of clinical trials of PI3K/AKT pathway inhibitors (BKM120, PX-866, GSK2636771, GSK2141795 and MK2206) try to find new ways other than current classic RAF/MEK/MAPK pathway inhibitors to treat the patients with metastatic or advanced melanomas (Tables 2 and 3).