<qa>  What is interleukin-12 and interleukin-2 used to treat patients with myPhase III trial to study the effectiveness of combining interleukin-12 with interleukin-2 in treating patients who have mycosis fungoides. Biological therapies, such as interleukin-12 and interleukin-2, use different ways to stimulate the immune system and stop cancer cells from growing. Combining more than one biological therapy may kill more tumor cells 