Toxicity | Glasdegib dosage modification |
---|---|
Non-hematologic toxicities grade ≥3 according to CTCAE criteria (excluding QTc prolongation, muscle spasms, and myalgias). First episode Second episode Third episode | Interrupt medication until toxicity recovers to grade ≤1, then: Dose level decrease 1 (DLD1): 75 mg DLD2: 50 mg Discontinue medication permanently |
Renal toxicity, where serum creatinine or BUN are ≥2 × ULN or serum bicarbonate level is < 20 mmol/L. First episode Second episode Third episode | Interrupt medication until toxicity recovers tograde ≤1 then: DLD1 DLD2 Discontinue medication permanently |
Electrocardiogram QT corrected (QTc) prolongation grade 1. | Continue at the same level. |
QTc prolongation grade 2 and 3. | Interrupt and resume when QTc returns to ≤470 ms: - Within 7 days, dosing as before - Within 14 days, DLD1 Discontinue medication permanently, in case of no return to ≤470 ms after 14 days, |
QTc prolongation grade 4 or repetitive grade 3 or grade 2 after DLD1. | Discontinue medication permanently |