Pazopanib Hydrochloride in Treating Patients With Stage IV Kidney Cancer

Inclusion

• Histologically confirmed diagnosis of metastatic clear cell RCC
• At least one measurable lesion at baseline as per RECIST 1.1 criteria; if skin lesions are reported as target lesions, they must be documented (at baseline and at every physical exam) using color photography and a measuring device (such as a caliper) in clear focus to allow the size of the lesion to be determined from the photograph
• 1 prior VEGF-TKI required
• 1 other prior systemic therapy allowed
• ECOG PS 0-1
• Resolution of grade >= 2 toxicity from prior therapy
• Subjects must provide written informed consent prior to performance of study-specific procedures or assessments, and must be willing to comply with treatment and follow-up; procedures conducted as part of the subject's routine clinical management (e.g., blood count, imaging study) and obtained prior to signing of informed consent may be utilized for screening or baseline purposes provided these procedures are conducted as specified in the protocol
• A female is eligible to enter and participate in this study if she is of non-child bearing potential (i.e., physiologically incapable of becoming pregnant), including any female who has had (1) a hysterectomy, (2) a bilateral oophorectomy (ovariectomy), (3) a bilateral tubal ligation, or (4) is post-menopausal; subjects not using hormone replacement therapy (HRT) must have experienced total cessation of menses for >= 1 year and be greater than 45 years in age, OR, in questionable cases, have a follicle stimulating hormone (FSH) value > 40 mIU/mL and an estradiol value = 1 year and be greater than 45 years of age OR have had documented evidence of menopause based on FSH and estradiol concentrations prior to initiation of HRT
• Patients with childbearing potential, including any female who has had a negative serum pregnancy test within 2 weeks prior to the first dose of study treatment, preferably as close to the first dose as possible, and agrees to use adequate contraception; GSK acceptable contraceptive methods, when used consistently and in accordance with both the product label and the instructions of the physician, are as follows: (1) complete abstinence from sexual intercourse for 14 days before exposure to investigational product, through the dosing period, and for at least 21 days after the last dose of investigational product, (2) oral contraceptive, either combined or progestogen alone, (3) injectable progestogen, implants of levonorgestrel, estrogenic vaginal ring, percutaneous contraceptive patches, intrauterine device (IUD) or intrauterine system (IUS) with a documented failure rate of less than 1% per year, (4) male partner sterilization (vasectomy with documentation of azoospermia) prior to the female subject's entry into the study, and this male is the sole partner for that subject, (6) double barrier method: condom and an occlusive cap (diaphragm or cervical/vault caps) with a vaginal spermicidal agent (foam/gel/film/cream/suppository); female subjects who are lactating should discontinue nursing prior to the first dose of study drug and should refrain from nursing throughout the treatment period and for 14 days following the last dose of study drug
• Absolute neutrophil count (ANC) >= 1.5 X 10^9/L
• Hemoglobin >= 9 g/dL (5.6 mmol/L)
• Platelets >= 100 X 10^9/L
• Prothrombin time (PT) or international normalized ratio (INR) = 2.0 mg/dL; calculated creatinine clearance (ClCR) by Cockroft-Gault formula >= 30 mL/min
• Urine Protein to Creatinine Ratio (UPC) 480 msecs using Bazett's formula
• History of any one or more of the following cardiovascular conditions within the past 6 months: (1) cardiac angioplasty or stenting, (2) myocardial infarction, (3) unstable angina, (4) coronary artery bypass graft surgery, (5) symptomatic peripheral vascular disease, or (6) Class III or IV congestive heart failure, as defined by the New York Heart Association (NYHA)
• Poorly controlled hypertension defined as systolic blood pressure (SBP)