Study of Lumasiran in Healthy Adults and Patients With Primary Hyperoxaluria Type 1

Lumasiran will be administered SC once in Part A. In Part B lumasiran will be administered SC qM (Days 1, 29 and 57) or q3M (Days 1 and 85).

Matching placebo (sterile saline: 0.9% sodium chloride \[NaCl\]) will be administered SC once in Part A. In Part B matching placebo will be administered SC qM (Days 1, 29 and 57) or q3M (Days 1 and 85).