A Study of Tazemetostat in Combination With Various Treatments in Participants With Blood Cancer.

Orally, twice daily in continuous 28-day cycles.

Intravenously, 12 mg/kg, once daily on Cycle 1: Days 1, 4, 8, 15 and 22 of the 28-day cycle. Cycles 2 and 3: Days 1, 8, 15 and 22 of each 28-day cycle. Cycle 4 and beyond: Days 1 and 15 of each 28-day cycle.

Orally, 10 mg or 20 mg based on kidney function, once daily from Days 1 to 21 of continuous 28-day cycles for up to 12 cycles.

Orally, 100 mg, twice daily.

Intravenously, 16 mg/kg actual body weight, once daily on Cycles 1 and 2: Days 1, 8, 15 and 22 of the 28-day cycle. Cycles 3 through 6: Days 1 and 15 each 28-day cycle. Cycle 7 and beyond: Day 1 of each 28-day cycle.

Subcutaneously, step-up doses on Cycle 1 Days 1 (5 mg), 8 (45 mg) and 15 (45 mg) and then 45 mg from Cycle 2 through 12 on Day 1 of the 28-day cycle.

Subcutaneously, 1800 mg, once daily on Cycles 1 and 2: Days 1, 8, 15 and 22 of the 28-day cycle. Cycles 3 through 6: Days 1 and 15 each 28-day cycle. Cycle 7 and beyond: Day 1 of each 28-day cycle.

Subcutaneously, 30,000 units, once daily on Cycles 1 and 2: Days 1, 8, 15 and 22 of the 28-day cycle. Cycles 3 through 6: Days 1 and 15 each 28-day cycle. Cycle 7 and beyond: Day 1 of each 28-day cycle.

Orally, 4 mg, once daily on Days 1 to 21 of continuous 28-day cycles.

Orally, 20 mg or 40 mg, once daily on Days 1, 8, 15, and 22 of continuous 28-day cycles.