A Phase I, Open-Label, Multicenter, 3-Period, Fixed-Sequence Study To Investigate The Effect Of Vemurafenib On The Pharmacokinetics Of A Single Dose Of Digoxin In Patients With BRAFV600 Mutation-Positive Metastatic Malignancy
Inclusion Criteria:
- Male or female patients >= 18 years old
- Patients with either unresectable Stage IIIc or Stage IV metastatic melanoma positive
for the BRAFV600 mutation or other malignant tumor type that harbors a
V600-activating mutation of BRAF, as determined by results of cobasĀ® 4800 BRAF V600
mutation test or a DNA sequencing method, and who have no acceptable standard
treatment options
- Eastern Cooperative Oncology Group (ECOG) performance status 0 to 2
- Life expectancy >= 12 weeks
- Full recovery from the effects of any major surgery or significant traumatic injury
within 14 days prior to the first dose of study treatment
- Adequate hematologic and end organ function
- Female patients of childbearing potential and male patients with partners of
childbearing potential must agree to always use two effective methods of
contraception
- Negative serum pregnancy test within 7 days prior to commencement of dosing in women
of childbearing potential
Exclusion Criteria:
- Prior treatment with vemurafenib or other BRAF inhibitor within 42 days of first dose
of study drug
- Prior anti-cancer therapy within 28 days before the first dose of study drug
- History of clinically significant cardiac or pulmonary dysfunction
- History of symptomatic congestive heart failure of any New York Heart Association
class or serious cardiac arrhythmia requiring treatment
- History of myocardial infarction within 6 months prior to first dose of study drug
- Current dyspnea at rest, owing to complications of advanced malignancy or any
requirement for supplemental oxygen to perform activities of daily living
- History of congenital long QT syndrome or QTc > 450 ms
- Current digoxin therapy or anticipated requirement to take digoxin therapy during the
study
- Active central nervous system lesions
- Uncontrolled or poorly controlled diabetes
- Current severe, uncontrolled systemic disease