Ziagen has 83% bioavailability. Since 300 mg of Zi
Post# of 72440
Ziagen is often prescribed for 600 mg per day, so I don't expect any safety concerns for the 400 mg arm of Prurisol.
600 mg of Ziagen * 0.83 = 498 mg of abacavir in circulation
400 mg of Prurisol * 0.71 = 284 mg of abacavir in circulation