Table 2.
Viral kinetic parameters and predicted time to cure of patients with shortened treatment.
Pt # | Sex | Age(yr) | Weight(kg) | HCV Gt | Fib | DAA regimen | V0* | c (d-1) | ε | δ (d-1) | Predicted TTC (d) | Actual DAA duration(w) |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | M | 54 | 66 | 1b | F2 | SOF/VEL | 6.0 | 4.2 | 0.9999 | 0.25 | 59 | 10 |
2 | M | 61 | 104 | 1b | F3 | ELB/GRZ | 5.9 | 11.0 | 0.9995 | 0.35 | 46 | 8 |
3** | M | 63 | 84 | 3a | F0-1 | SOF/VEL | 6.3 | 5.6 | 0.9988 | 0.5 | 36 | 6 |
4 | F | 29 | 55 | 1b | F0 | SOF/LED | 6.1 | 5.2 | 0.9993 | 0.25 | 55 | 8 |
5 | M | 59 | 71 | 3 | F3 | SOF/VEL | 5.3 | ND | ND | ND | ND | 6 |
6 | F | 31 | 46 | 1B | F0-1 | ELB/GRZ | 5.2 | 5.7 | 0.9994 | 0.33 | 43 | 8 |
7 | F | 37 | 56 | 1A | F1 | ELB/GRZ | 6.3 | 11.2 | 0.9990 | 0.45 | 55 | 8 |
8 | M | 42 | 85 | 1B | F0-1 | SOF/LED | 6.3 | 4.0 | 0.9994 | 0.34 | 53 | 8 |
9 | F | 65 | 60 | 3 | F2 | SOF/VEL | 5.0 | 7.3 | 0.9929 | 0.29 | 53 | 8 |
10 | M | 35 | 64 | 3A | F0-1 | SOF/VEL | 6.3 | 4.4 | 0.9993 | 0.41 | 44 | 8 |
11 | F | 67 | 80 | 1B | F1 | ELB/GRZ | 5.2 | 3.3 | 0.9999 | 0.28 | 53 | 8 |
*V0, initial viral load (log IU/ml) was set during fitting based on each patient’s measured baseline HCV RNA; **, relapser; Fib, Fibrosis stage; Gt, genotype; DAA, direct-acting antiviral; SOF/VEL, sofosbuvir/velpatasvir; SOF/LED, sofosbuvir/ledipasvir; ELB/GRZ, elbasvir/grazoprevir; TTC, Time to cure; ND, not determined because viral load was < 10 IU/ml at day 2 of therapy.