Abdulla M, Al Ghareeb AM, Husain HAHY, Mohammed N, Al Qamish J. Effectiveness and safety of generic and brand direct acting antivirals for treatment of chronic hepatitis C. World J Clin Cases 2022; 10(34): 12566-12577 [PMID: 36579085 DOI: 10.12998/wjcc.v10.i34.12566]
Corresponding Author of This Article
Maheeba Abdulla, MD, Doctor, Department of Internal Medicine, Salmaniya Medical Complex, Arabian Gulf University, Rd No. 2904, Manama 2904, Bahrain. amaheeba@gmail.com
Research Domain of This Article
Gastroenterology & Hepatology
Article-Type of This Article
Observational Study
Open-Access Policy of This Article
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Table 2 Predictors of not achieving sustained virologic response in the overall sample identified using a multivariable regression model, n = 289
Variable
No SVR, n (%)
Crude OR, (95%CI)
Adjusted OR, (95%CI)
Adjusted P
Age (yr)
< 40
6 (7.1)
1
1
40-65
8 (4.5)
0.63 (0.21-1.87)
0.26 (0.67-0.99)
0.049
> 65
4 (14.3)
2.19 (0.57-8.42)
1.26 (0.23-6.96)
0.79
Sex
Female
8 (4.8)
1
1
Male
12 (7.4)
1.59 (0.58-4.36)
3.0 (0.87-10.37)
0.08
Co-morbidities
None
2 (2.2)
1
1
0ne to two
10 (6.8)
3.24 (0.69-15.12)
1.36 (0.22-8.38)
0.74
More than two
6 (11.3)
5.62 (1.09- 28.93)
3.63 (0.52-25.49)
0.19
USD cirrhosis
No
5 (2.5)
1
1
Yes
13 (14.9)
6.92 (2.39-20.10)
9.41 (2.47-35.84)
0.001
HCV genotype
1
10 (4.9)
1
1
3
6 (12.2)
2.69 (0.93-7.81)
3.56 (1.03-12.38)
0.044
4
2 (5.4)
1.10 (0.23-5.25)
0.69 (0.13-3.75)
0.67
DAC regimen
Generic
6 (4.3)
1
1
Brand
12 (8.1)
1.96 (0.71-5.36)
2.00 (0.57-7.04)
0.28
WBC (× 109/L)
1.04 (0.89-1.21)
Haemoglobin (g/dL)
1.14 (0.92-1.41)
Platelets (× 109/L)
1.00 (0.96-1.01)
PT (sec)
1.02 (0.95-1.05)
PTT (sec)
1.12 (0.98-1.29)
INR
0.99 (0.72-1.38)
Creatinine (μmol/L)
1.00 (0.98-1.01)
Albumin (g/L)
0.98 (0.90-1.06)
Total bilirubin (μmol/L)
0.99 (0.96-1.03)
ALP (U/L)
1.05 (0.99-1.02)
ALT (U/L)
1.01 (1.00-1.02)
gGT(U/L)
1.03 (1.00-1.06)
Table 3 Predictors of not achieving sustained virologic response in patients receiving only sofosbuvir-based therapy identified using a multivariable regression model, n = 223
Variable
No SVR, n (%)
Crude OR (95%CI)
Adjusted OR (95%CI)
Adjusted P
Age (yr)
< 40
5 (7.5)
1
1
40-65
6 (4.5)
0.58 (0.17-1.98)
0.30 (0.07-1.35)
0.12
> 65
20 (9.1)
1.24 (0.22-6.89)
0.69 (0.08-5.81)
0.73
Sex
Female
4 (4.3)
1
1
Male
9 (6.9)
1.66 (0.49-5.55)
2.33 (0.57-9.53)
0.24
Co-morbidities
None
2 (2.6)
1
1
0ne to two
7 (6.3)
2.47 (0.50-12.21)
1.03 (0.14-7.61)
0.98
More than two
4 (11.4)
4.77 (0.83-27.43)
3.45 (0.41-29.05)
0.26
USD cirrhosis
No
4 (2.6)
1
1
Yes
9 (13.2)
5.76 (1.71-19.42)
8.99 (1.83-44.16)
0.007
HCV genotype
1
6 (4.1)
1
1
3
6 (12.2)
3.30 (1.01-10.77)
4.44 (1.17-16.89)
0.03
4
1 (3.8)
0.95 (0.11-8.20)
0.95 (0.10-9.45)
0.96
DAC regimen
Generic
6 (4.3)
1
1
Brand
7 (8.4)
2.06 (0.67-6.34)
1.42 (0.34-5.94)
0.63
WBC (× 109/L)
0.98 (0.80-1.21)
Haemoglobin (g/dL)
1.15 (0.89-1.48)
Platelets (× 109/L)
1.00 (0.99-1.01)
PT (sec)
1.02 (0.95-1.06)
PTT (sec)
1.17 (1.00-1.37)
INR
1.00 (0.72-1.38)
Creatinine (μmol/L)
1.00 (0.97-1.03)
Albumin (g/L)
0.97 (0.90-1.06)
Total bilirubin (μmol/L)
0.99 (0.95-1.03)
ALP (U/L)
1.01 (1.00-1.02)
ALT (U/L)
1.01 (1.00-1.02)
gGT(U/L)
1.03 (1.00-1.07)
Table 4 Changes in laboratory parameters before or at the end of treatment (12 wk) among patients who received generic and brand direct antiviral agents
Variable
Period
Generic, mean ± SD
P
Brand, mean ± SD
P
WBC (× 109/L)
wk 0
6.27 ± 3.34
0.15
5.82 ± 2.15
0.005
EOT
6.67 ± 3.62
6.13 ± 2.40
Haemoglobin (g/dL)
wk 0
12.50 ± 2.52
0.17
12.81 ± 2.12
0.94
EOT
12.71 ± 2.44
12.81 ± 2.25
Platelets (× 109/L)
wk 0
232.35 ± 108.1
< 0.001
189.01 ± 95.48
< 0.001
EOT
257.63 ± 113.11
210.85 ± 100.69
PT (sec)
wk 0
14.11 ± 11.93
0.52
13.32 ± 1.88
0.91
EOT
13.31 ± 8.79
13.30 ± 1.91
PTT (sec)
wk 0
24.16 ± 2.91
0.001
26.20 ± 3.79
0.22
EOT
23.14 ± 4.25
25.90 ± 3.22
INR
wk 0
1.08 ± 0.18
0.7
1.31 ± 2.22
0.31
EOT
1.11 ± 0.87
1.12 ± 0.17
Creatinine (μmol/L)
wk 0
66.86 ± 21.07
0.05
89.68 ± 148.85
0.55
EOT
70.50 ± 31.94
92.05 ± 138.93
Albumin (g/L)
wk 0
41.04 ± 5.11
< 0.001
38.82 ± 6.05
< 0.001
EOT
42.78 ± 5.46
40.90 ± 5.48
Total bilirubin (μmol/L)
wk 0
17.68 ± 15.62
< 0.001
18.72 ± 18.26
0.004
EOT
14.30 ± 12.64
15.14 ± 13.74
ALP (U/L)
wk 0
93.31 ± 43.55
< 0.001
102.02 ± 43.79
0.18
EOT
77.32 ± 32.65
94.79 ± 73.56
ALT (U/L)
wk 0
71.66 ± 57.59
< 0.001
61.96 ± 41.47
< 0.001
EOT
27.09 ± 33.56
29.09 ± 24.58
gGT(U/L)
w 0
84.44 ± 109.98
< 0.001
101.76 ± 92.69
< 0.001
EOT
43.48 ± 62.65
50.64 ± 53.37
Citation: Abdulla M, Al Ghareeb AM, Husain HAHY, Mohammed N, Al Qamish J. Effectiveness and safety of generic and brand direct acting antivirals for treatment of chronic hepatitis C. World J Clin Cases 2022; 10(34): 12566-12577