Hypothesis: Oral administration of the oxalate metabolizing enzyme Oxazyme (OC4) will degrade
food-borne oxalate and hence prevent its absorption from the gastrointestinal tract. In
addition, by reducing oxalate concentrations in the gastrointestinal fluid, oxalate secretion
from blood to the intestinal tract may be increased. Both effects would decrease blood levels
of oxalate, and hence oxalate excretion in the urine.