Observational Study
Copyright ©The Author(s) 2016.
World J Gastroenterol. Nov 21, 2016; 22(43): 9613-9622
Published online Nov 21, 2016. doi: 10.3748/wjg.v22.i43.9613
Table 1 Sustained virologic response according to patient characteristics at baseline (n = 288) n (%)
Achieved SVR
P value
Yes (n = 237)No (n = 51)
Demographics
Sex
Male101 (87.1)15 (12.9)0.081
Female136 (79.1)36 (20.9)
Age
Mean ± SD45.9 ± 10.450.1 ± 8.50.007
Median (range)48.00 (11.0-68.0)49.00 (34.0-66.0)0.016
≤ 205 (100)0 (0)0.017
21-4057 (87.7)8 (12.3)
41-60164 (82.4)35 (17.6)
> 6011 (57.9)8 (42.1)
Pretreatment conditions/comorbidities
HCV/HIV coinfection4 (100)0 (0)0.350
Diabetes mellitus21 (91.3)2 (8.7)0.238
Previous alcohol consumption45 (81.8)10 (18.2)0.919
High pretreatment ALT (> 40)166 (81.8)37 (18.2)0.722
High pretreatment Hgb (≥ 12 g/dL)182 (81.3)42 (18.8)0.386
High pretreatment WBC (≥ 4000 mm3)225 (82.7)47 (17.3)0.432
High pretreatment platelet (≥ 150000/mm3)189 (84.8)34 (15.2)0.043
High pretreatment albumin (≥ 3.5 g/dL)212 (84.5)39 (15.5)0.012
High pretreatment HCV RNA (≥ 800000 IU/mL)144 (79.1)38 (20.9)0.065
Liver stiffness
F ≤ 2133 (92.4)11 (7.6)< 0.001
F3-4104 (72.2)40 (27.8)
IL-28B polymorphism
rs8099917TT204 (82.3)44 (17.7)0.634
rs8099917Non-TT18 (78.3)5 (21.7)
Unknown15 (88.2)2 (11.8)
rs12979860CC196 (82.4)42 (17.6)0.618
Table 2 Sustained virologic response by treatment modifications and hepatitis C virus genotype (n = 288) n (%)
Achieved SVR
P value
Yes(n = 237)No(n = 51)
Dose reduction
Any dose reduction43 (79.6)11 (20.4)0.570
Peg-IFN only9 (100)0 (0)0.157
Ribavirin only12 (70.6)5 (29.4)0.193
Both peg-IFN and ribavirin22 (78.6)6 (21.4)0.587
Genotype
142 (75.0)14 (25.0)0.314
24 (100)0 (0)
3123 (84.8)22 (15.2)
668 (81.9)15 (18.1)
Table 3 Sustained virologic response according to fibrosis score and genotype (n = 288) n (%)
Total patientsF2 (n = 144)
F 3-4 (n = 144)
P value
SVR+SVR-SVR+SVR-
All genotypes288133 (46)11 (4)104 (36)40 (14)0.034
Genotype 15626 (46)3 (5)16 (29)11 (20)0.009
Genotype 240 (0)0 (0)4 (100)0 (0)
Genotype 314560 (41)4 (3)63 (43)18 (12)0.008
Genotype 68347 (57)4 (5)21 (25)11 (13)0.002
Table 4 Relapse according to patient characteristics at baseline (n = 283) n (%)
Relapse (n = 49)No relapse (n = 234)P value
Relapse49 (17.3)234 (82.7)
Demographics
Sex
Male14 (12.4)99 (87.6)0.074
Female35 (20.6)135 (79.4)
Age
mean ± SD50.4 ± 8.546.0 ± 10.20.006
Median (range)50.00 (34.0-66.0)48.00 (11.0-68.0)0.011
≤ 200 (0)4 (100)0.013
21-407 (10.9)57 (89.1)
41-6034 (17.3)162 (82.7)
> 608 (42.1)11 (57.9)
Pre-treatment/comorbidities
HCV/HIV coinfection0 (0)3 (100)0.426
Diabetes mellitus2 (8.7)21 (91.3)0.254
Previous alcohol consumption9 (17.0)44 (83.0)0.943
High pretreatment ALT (> 40)36 (17.9)165 (82.1)0.678
High pretreatment Hgb (≥ 12g/dL)40 (18.3)179 (81.7)0.434
High pretreatment WBC (≥ 4000 mm3)45 (16.9)222 (83.1)0.403
High pretreatment platelet (≥ 150000/mm3)32 (14.7)186 (85.3)0.032
High pretreatment albumin (≥ 3.5 g/dL)37 (15.0)209 (85.0)0.009
High pretreatment HCV RNA (≥ 800000 IU/mL)36 (20.3)141 (79.7)0.082
Liver stiffness
F ≤ 29 (6.5)130 (93.5)< 0.001
F3-440 (27.8)104 (72.2)
IL28B polymorphism
rs8099917TT42 (17.3)201 (82.7)0.592
rs8099917Non-TT5 (21.7)18 (78.3)
Unknown2 (11.8)15 (88.2)0.918
rs12979860CC40 (17.2)193 (82.8)0.569
Table 5 Relapse by treatment modifications and hepatitis C virus genotype (n = 283) n (%)
Relapse YesRelapse NoP value
(n = 49)(n = 234)
Dose reduction
Any dose reduction10 (19.2)42 (80.8)0.686
Peg-IFN only0 (0)9 (100)0.163
Ribavirin only4 (26.7)11 (73.3)0.325
Both peg-IFN and ribavirin6 (21.4)22 (78.6)0.544
Genotype
114 (25.0)42 (75.0)0.279
20 (0)4 (100)
321 (14.7)122 (85.3)
614 (17.5)66 (82.5)
Table 6 Preliminary analysis of sustained virologic response outcome by treatment duration and prognostic baseline factors in patients with genotype 3 hepatitis C virus infection
Comparison or stratumOR (95%CI)P value
Age1.02 (0.97-1.08)0.432
Liver fibrosis (F3-4 vs F ≤ 2)0.18 (0.05-0.67)0.010
Sex (female vs male)0.41 (0.14-1.16)0.093
Treatment duration (48 wk vs 24 wk)2.05 (0.42-9.92)0.371
Table 7 Sustained virologic response outcome by prognostic baseline factors in patients with genotypes 1, 3, and 6 hepatitis C virus infection
Comparison or stratumOR (95%CI)P value
Age1.00 (0.96-1.04)0.904
Genotype (1 vs 6)0.74 (0.30-1.84)0.433
Genotype (3 vs 6)1.33 (0.58-3.05)0.433
High pretreatment HCV RNA (≥ 800000 IU/mL)0.42 (0.19-0.92)0.029
High pretreatment albumin (≥ 3.5 g/dL)2.63 (1.11-6.22)0.028
High pretreatment platelet (≥ 150000/mm3)1.00 (0.45-2.25)0.992
Liver fibrosis (F3-4 vs F ≤ 2)0.19 (0.08-0.48)< 0.001
Sex (female vs male)0.57 (0.28-1.16)0.120
Treatment duration (48 wk vs 24 wk)12.05 (0.42-9.92)0.371
Table 8 Adverse events and treatment modifications (n = 288) n (%)
48 wk treatment (n = 162)24 wk treatment (n = 126)
Dose reduction
Any dose reduction34 (21.0)20 (15.9)
Peg-IFN only3 (1.9)6 (4.8)
Ribavirin only13 (8.0)4 (3.2)
Both peg-IFN and ribavirin18 (11.1)10 (7.9)
Hematological adverse events
Hemoglobin reduction = 1.5 g/dL from pretreatment value121 (74.7)85 (67.5)
Erythropoietin use99 (61.1)62 (49.2)
Severe anemia (Hgb < 7 g/dL)4 (2.5)3 (2.4)
WBC < 4000 cells/mm3110 (67.9)86 (68.3)
Platelet reduction < 150000 cells/mm375 (46.3)72 (57.1)
General adverse events
Fatigue115 (71)89 (70.6)
Poor appetite92 (56.8)82 (65.1)
Itchiness16 (9.9)11 (8.7)
Skin rash5 (3.1)0 (0)
Joint pain20 (12.3)13 (10.3)
Myalgia/muscle aches9 (5.6)8 (6.3)
Hair loss34 (21)17 (13.5)
Dizziness36 (22.2)31 (24.6)
Insomnia63 (38.9)49 (38.9)
Irritability5 (3.1)2 (1.6)
Depression13 (8.0)5 (4.0)
Thyroid dysfunction7 (4.3)1 (0.8)