Study of Neo-adjuvant Use of Vemurafenib Plus Cobimetinib for BRAF Mutant Melanoma With Palpable Lymph Node Metastases

At Screening: Assessments will include CT or MRI of the brain, CT of chest, abdomen and pelvis, dermatology assessment, head and neck exam, pelvic and anal exam, ophthalmology exam, electrocardiogram (ECG), echocardiogram (ECHO) or multigated acquisition (MUGA) scan, a history and physical exam. A core biopsy will be performed within 14 days of study entry. During Treatment: The maximum treatment period is 12 months. Patients will be assessed monthly while on treatment. Assessments performed will include vital signs assessment and physical exam, dermatology exam, ophthalmology exam, echocardiogram (ECHO) or multigated acquisition (MUGA) scan, electrocardiogram (ECG), safety blood tests, pelvic and anal exam. Follow-up after treatment: Patients will be followed for 5 years. Radiology exams will be done to assess for disease. Other assessments performed include vital signs assessment and physical exam, dermatology exam, include echogram (ECHO) or multigated acquisition (MUGA) scans.