Serum phosphorus, calcium, magnesium and potassium >= lower limit of normal (LLN), within 14 days before the first dose of cabozantinib Serum phosphorus >= lower limit of normal (LLN) within 7 days before the first dose of cabozantinib Calcium >= LLN within 7 days before the first dose of cabozantinib Magnesium >= LLN within 7 days before the first dose of cabozantinib Potassium >= LLN within 7 days before the first dose of cabozantinib Obtained within 28 days prior to the first dose of cabozantinib: serum phosphorus >= 2.5 mg/dl. Within 4 days prior to the first dose of cabozantinib: Serum phosphorus, calcium, potassium >= lower limit of normal (LLN) Within 7 days before the first dose of cabozantinib: Serum phosphorus, calcium, magnesium and potassium >= lower limit of normal (LLN)