- The time between initial diagnosis and the scheduled surgery date allows for the subject to receive a minimum of 2 weeks or a maximum of 6 weeks treatment with pazopanib. Note: At least 4 weeks must be available between the diagnostic biopsy and surgery to allow for 1) one-week delay following the diagnostic biopsy prior to first dose of study drug, 2) minimum of 2 weeks on study drug, and 3) minimum of 1 week wash out prior to surgery.