Serum phosphorus calcium, magnesium and potassium >= lower limit of normal (LLN)
Serum calcium and magnesium above the institutional lower limit of normal, within 14 days of registration and within 7 days of the start of treatment
Serum phosphorus >= lower limit of normal (LLN)
Calcium >= LLN
Magnesium >= LLN
Potassium >= LLN
Serum phosphorus, calcium, magnesium and potassium >= lower limit of normal (LLN)
Serum phosphorus >= lower limit of normal (LLN)
Serum calcium >= LLN
Serum magnesium >= LLN
Serum potassium >= LLN
Serum phosphorus >= lower limit of normal (LLN) (if below LLN, for asymptomatic patients replacement may be initiated if clinically indicated without delaying the start of study treatment)
Serum calcium >= LLN (if below LLN, for asymptomatic patients replacement may be initiated if clinically indicated without delaying the start of study treatment)
Serum magnesium >= LLN (if below LLN, for asymptomatic patients replacement may be initiated if clinically indicated without delaying the start of study treatment)
Serum potassium >= LLN (if below LLN, for asymptomatic patients replacement may be initiated if clinically indicated without delaying the start of study treatment)
RECURRENT/ PROGRESSIVE DIPG (STRATUM 1): Potassium >= lower limit of normal (LLN)
RECURRENT/ PROGRESSIVE DIPG (STRATUM 1): Serum total calcium (correct for serum albumin) or ionized calcium >= LLN
NON-PROGRESSED DIPG (STRATUM 2): Serum total calcium (correct for serum albumin) or ionized calcium >= LLN