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Table 1 Characteristics of included studies

From: Simeprevir with pegylated interferon alfa 2a plus ribavirin for treatment of hepatitis C virus genotype 1 in patients with HIV: a meta-analysis and historical comparison

Study

Study period

Study region

Multi-center study?

Study design

Relapser/Non-responder included?

Patients on HIV therapy

Planned duration of treatment

Ribavirin dose per day

Number of patientsa

Mean/median age (years)

Males (%)

Patients with liver cirrhosis (%)

Study C212

2011–2013

Multi-national

Yes

Single-arm

yes

85 %

Treatment-naïve patients + relapsers with EVR at week 4/12: 24 weeks

1000 mg / 1200 mg (w.a.)

N = 106

47 years

85 %

13 %

All other patients: 48 weeks

Chung 2004 [12]

2000–2002

US

Yes

RCT (not blinded)

no

82 %

Patients without response in week 24: 24 weeks

600 mg (week 1–4); 800 mg (week 5–8); 1000 mg (week >8)

N = 51

45 years

82 %

10 %

Patients with response in week 24: 48 weeks

Dahari 2010 [13]

n.r.

Brazil

No

Single-arm

n.r.

88 %

48 weeks

11 mg/kg body weight

N = 13

41 years

88 %

15 %

Fuster 2006 [14]

2001–2002

Spain

Yes

RCT (not blinded)

no

75 %

Patients with EVR in week 12: 48 weeks

800 mg

N = 51

39 years

75 %

39 %b

Patients without EVR in week 12: 48 weeks or 72 weeks (randomized)

Mandorfer 2014 [22]

n.r.

Austria

Yes

Single-arm

no

73 %

Patients with RVR in week 4: 48 weeks

1000 mg to 1200 mg for 12 weeks; 800 mg thereafter

N = 28

37 years

73 %

42 %

Patients without RVR in week 4: 72 weeks

Murphy 2011 [15]

2004–2007

US

No

RCT (not blinded)

n.r.

90 %

48 weeks

1000 mg / 1200 mg (w.a.)

N = 10

48 years

90 %

n.r.

Nunez 2007 [16]

2003–2006

Spain

Yes

Non-randomized study

no

78 %

Patients without EVR in week 12: 12 weeks

1000 mg / 1200 mg (w.a.)

N = 191

39 years

77 %

11 %

Patients with detectable HCV in week 24: 24 weeks

All other patients: 48 weeks (since August 2004: 72 weeks)

Rivero-Juarez 2014 [17]

n.r.

Spain

Yes

Non-randomized study

no

92 %

Treatment according to 2009 AASLD guidelines (48 weeks; patients with delayed virologic response: 72 weeks)

1000 mg / 1200 mg (w.a.)

N = 192

42 years

82 %

51 %c

Rodriguez-Torres 2012 [21]

2006–2009

US, Spain, Portugal

Yes

RCT (blinded)

no

89 %

48 weeksd

Treatment group 1: 800 mg

N = 135 (group 1)

45 years

80 %

12 %

Treatment group 2: 1000 mg / 1200 mg (w.a.)

N = 275 (group 2)

Torres-Cornejo 2014 [18]

2004–2011

Spain

No

Non-randomized study

no

85 %

48 weeks

1000 mg / 1200 mg (w.a.)

N = 135

41 years

85 %

39 %

Torriani 2004 [19]

2000–2003

Multi-national

Yes

RCT (blinded)

no

84 %

48 weeks

800 mg

N = 176

40 years

80 %

15 %

Tural 2008 [20]

2003–2005

Spain

Yes

Non-randomized study

n.r.

n.r.

48 weeks

1000 mg / 1200 mg (w.a.)

N = 55

40 years

67 %

n.r.

  1. aOnly patients with HCV-1 infection
  2. bBridging fibrosis or fibrosis
  3. cFibrosis stage F3 or F4
  4. dNo early stopping rules according to study protocol, but within the discretion of the study physician
  5. EVR early virologic response, RVR rapid virologic response, n.r. not reported, w.a. weight-adapted (1000 mg for body weight <75 kg; 1200 mg for body weight ≥75 kg)