Study of Regorafenib and Sildenafil for Advanced Solid Tumors

Combination of regorafenib and of sildenafil when given to patients with advanced solid tumors. Regorafenib Administration and Treatment Schedule. Regorafenib will be taken orally once daily for the first 21 days of each 28-day cycle. Regorafenib will not be taken on the last 7 days of each cycle. Patients will be instructed as follows: Take regorafenib once daily with a low fat meal that contains less than 30% fat. Take the regorafenib tablets at about the same time each day. Swallow the tablets whole.

Combination of regorafenib and of sildenafil when given to patients with advanced solid tumors.Sildenafil Administration and Treatment Schedule. Sildenafil will be taken orally once daily at the same time the regorafenib dose is taken for the first 21 days of each 28-day cycle. Sildenafil will not be taken on the last 7 days of each cycle.