VRTX: I am guessing these are the most advanced polymerase inhibitors they could get and had to pay up to get them. The dosing doesn't appear to be anything too beyond VRUS's (2 and 3x a day and in the 400-800mg per dose range). Here are the clinical trials records for ViroChem that I could find: <a href="http://clinicaltrials.gov/ct2/show/NCT00389298" target="_blank">http://clinicaltrials.gov/ct2/show/NCT00389298</a> <a href="http://clinicaltrials.gov/ct2/show/NCT00623649" target="_blank">http://clinicaltrials.gov/ct2/show/NCT00623649</a>