In the absence of Ribavirin and with you feeling well:
Baseline: FBC, Cr&E, LFTs and Viral load are sufficient
4 weeks into treatment: LFTs and Viral load (expecting normal LFTs and zero viral load). This proves you have the right medication and that things are progressing as expected.
If your liver function is better and your viral load zero at 4 weeks into treatment you can stop testing. If not a repeat in 2 weeks would be sensible.
There is very little point in doing further testing once you are VL 0 until after you finish treatment unless you are unwell.
More monitoring won't hurt (other than your pocket) but is not likely to add any actionable information.
Post treatment we wait to see if you VL 0 was a real zero or if you still had some HCV below our limit of detection (which is where recurrence comes from).
- A viral load of zero at 4 weeks (SVR 4) predicts a 97% chance of being SVR24
- A viral load of zero at 12 weeks (SVR 12) predicts a 99.7% chance of being SVR24
- A viral load of zero at 4 weeks (SVR 24) predicts a 100% chance of being SVR24
SVR24 means < 1% chance of ever seeing the virus again.