Pazopanib Hydrochloride in Treating Patients With Stage IV Kidney Cancer
Condition: Clear Cell Renal Cell Carcinoma; Recurrent Renal Cell Cancer; Stage IV Renal Cell Cancer
MeSH terms: Carcinoma; Carcinoma, Renal Cell
Intervention: pazopanib hydrochloride; laboratory biomarker analysis; immunologic technique
Intervention description: Given orally; Correlative studies; Correlative studies
Phase: Phase 2
Study type: Interventional
Primary purpose: Treatment
Intervention model: Single Group Assignment
Masking: None (Open Label)
Enrollment: 28.0
Sex: All
Minimum age: 18 Years
Healthy volunteers: No

Summary:

      RATIONALE: Pazopanib hydrochloride may stop the growth of tumor cells by blocking some of the
      enzymes needed for cell growth.

      PURPOSE: This phase II trial is studying how well pazopanib hydrochloride works in treating
      patients with stage IV kidney cancer.
    

Eligibility criteria:

        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 < 40pg/mL (< 140
             pmol/L); subjects using HRT must have experienced total cessation of menses for >= 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) =< 1.2 X ULN

          -  Activated partial thromboplastin time (aPTT) =< 1.2 X ULN

          -  Total bilirubin =< 1.5 X ULN

          -  Alanine amino transferase (ALT) =< 2.5 X ULN

          -  Aspartate aminotransferase (AST) =< 2.5 X ULN

          -  Serum creatinine =< 2.0 mg/dL (133 umol/L) or, if >2.0 mg/dL; calculated creatinine
             clearance (ClCR) by Cockroft-Gault formula >= 30 mL/min

          -  Urine Protein to Creatinine Ratio (UPC) < 1

        Exclusion

          -  Concurrent use of other investigational agents

          -  Known history of allergic reactions to pazopanib or other VEGF-TKIs

          -  Presence of serious or uncontrolled infection

          -  Prior malignancy (Note: Subjects who have had another malignancy and have been
             disease-free for 3 years, or subjects with a history of completely resected
             non-melanomatous skin carcinoma or successfully treated in situ carcinoma are
             eligible)

          -  History or clinical evidence of central nervous system (CNS) metastases or
             leptomeningeal carcinomatosis, except for individuals who have previously-treated CNS
             metastases, are asymptomatic, and have had no requirement for steroids or anti-seizure
             medication for 6 months prior to first dose of study drug; screening with CNS imaging
             studies (computed tomography [CT] or magnetic resonance imaging [MRI]) is required
             only if clinically indicated or if the subject has a history of CNS metastases

          -  Clinically significant gastrointestinal abnormalities that may increase the risk for
             gastrointestinal bleeding including, but not limited to (1) active peptic ulcer
             disease, (2) known intraluminal metastatic lesion/s with risk of bleeding, (3)
             inflammatory bowel disease (e.g. ulcerative colitis, Crohn's disease), (4) other
             gastrointestinal conditions with increased risk of perforation, or (5) history of
             abdominal fistula, gastrointestinal perforation, or intra-abdominal abscess within 28
             days prior to beginning study treatment

          -  Clinically significant gastrointestinal abnormalities that may affect absorption of
             investigational product including, but not limited to (1) malabsorption syndrome or
             (2) major resection of the stomach or small bowel

          -  Corrected QT interval (QTc) > 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) of >= 140 mmHg
             or diastolic blood pressure (DBP) of >= 90mmHg

          -  Note: Initiation or adjustment of antihypertensive medication(s) is permitted prior to
             study entry; BP must be re-assessed on two occasions that are separated by a minimum
             of 1 hour; on each of these occasions, the mean (of 3 readings) SBP / DBP values from
             each BP assessment must be < 140/90 mmHg in order for a subject to be eligible for the
             study

          -  History of cerebrovascular accident including transient ischemic attack (TIA),
             pulmonary embolism or untreated deep venous thrombosis (DVT) within the past 6 months;
             (Note: subjects with recent DVT who have been treated with therapeutic
             anti-coagulating agents for at least 6 weeks are eligible)

          -  Prior major surgery or trauma within 28 days prior to first dose of study drug and/or
             presence of any non-healing wound, fracture, or ulcer (procedures such as catheter
             placement not considered to be major)

          -  Evidence of active bleeding or bleeding diathesis

          -  Known endobronchial lesions and/or lesions infiltrating major pulmonary vessels

          -  Hemoptysis in excess of 2.5 mL (or one half teaspoon) within 8 weeks prior to the
             first dose of study drug

          -  Any serious and/or unstable pre-existing medical, psychiatric, or other condition that
             could interfere with subject's safety, provision of informed consent, or compliance to
             study procedures

          -  Unable or unwilling to discontinue use of prohibited medications list as specified in
             the full protocol for at least 14 days of a drug prior to the first dose of study drug
             and for the duration of the study

          -  Treatment with any of the following anti-cancer therapies: (1) radiation therapy,
             surgery or tumor embolization within 14 days prior to the first dose of pazopanib OR
             (2) chemotherapy, immunotherapy, biologic therapy, investigational therapy or hormonal
             therapy within 14 days or five half-lives of a drug (whichever is longer) prior to the
             first dose of pazopanib

          -  Any ongoing toxicity from prior anti-cancer therapy that is > grade 1 and/or that is
             progressing in severity, except alopecia

          -  Non-Compliance: Patients, who in the opinion of the investigator, may not be able to
             comply with the safety monitoring requirements of the study

          -  Medications that inhibit CYP3A4 may result in increased plasma pazopanib
             concentrations; therefore, co-administration of strong CYP3A4 inhibitors is PROHIBITED
             beginning 14 days prior to the first dose of study drug until discontinuation from the
             study; strong CYP3A4 inhibitors include (but are not limited to): certain antibiotics
             (including clarithromycin, telithromycin, and troleandomycin), certain HIV protease
             inhibitors (including ritonavir, indinavir, saquinavir, nelfinavir, amprenavir, and
             lopinavir), certain antifungals (including itraconazole, ketoconazole, voriconazole,
             and fluconazole) and certain antidepressants (including nefazodone)