<qa>  What is the name of the drug that is used in the chemotherapy drug combination?Patients with DLBCL who are otherwise healthy are usually treated first with the chemotherapy drug combination called R-CHOP. The drugs in this combination are R for rituximab, C for cyclophosphamide, H for doxorubicin which has a chemical name of hydroxydaunomycin, O for vincristine which has a trade name of oncovin, and P for prednisone. Depending on the local practice where you are treated, R-CHOP may be given for 6 or 8 cycles. A cycle could lasts for 14 or 21 days. The R-CHOP drug combination is approved for the treatment of DLBCL of all types, including ABC type. R-CHOP is standard care. 