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A systematic review of the effectiveness of adalimumab

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42<br />

Effectiveness<br />

Review: Etanercept for rheumatoid arthritis 2006<br />

Comparison: 03 Etanercept s.c. licensed dose only (25 mg twice weekly) vs o<strong>the</strong>r active treatment<br />

Outcome: 02 ACR50 responder<br />

Study<br />

or subcategory<br />

01 Partial responders to comparator DMARD (SSZ)<br />

Codreanu, 2003 103 [24 weeks]<br />

Subtotal (95% CI)<br />

Total events: 48 (etanercept), 7 (control)<br />

Test for heterogeneity: NA<br />

Test for overall effect: z = 3.29 (p = 0.001)<br />

02 Responders or naive to comparator DMARD (MTX)<br />

TEMPO 110 [100 weeks]<br />

ERA 124 [104 weeks]<br />

Subtotal (95% CI)<br />

Etanercept<br />

n/N<br />

Test for heterogeneity: 2 = 2.05, df = 1 (p = 0.15), I 2 = 51.1%<br />

Test for overall effect: z = 3.18 (p = 0.001)<br />

Control<br />

n/N<br />

48/103 7/50<br />

103 50<br />

98/223 68/228<br />

101/207 91/217<br />

430 445<br />

Total (95% CI)<br />

Total events: 247 (etanercept), 166 (control)<br />

Test for heterogeneity: 2 = 8.88, df = 2 (p = 0.001), I2 533 495<br />

= 77.5%<br />

Test for overall effect: z = 4.28 (p < 0.0001)<br />

FIGURE 15 ACR50 RR: etanercept licensed dose versus o<strong>the</strong>r active treatment<br />

Review: Etanercept for rheumatoid arthritis 2006<br />

Comparison: 03 Etanercept s.c. licensed dose only (25 mg twice weekly) vs o<strong>the</strong>r active treatment<br />

Outcome: 02 ACR50 responder<br />

Study<br />

or subcategory<br />

01 Partial responders to comparator DMARD (SSZ)<br />

Codreanu, 2003 103 [24 weeks]<br />

Subtotal (95% CI)<br />

Total events: 48 (etanercept), 7 (control)<br />

Test for heterogeneity: NA<br />

Test for overall effect: z = 4.69 (p < 0.00001)<br />

Etanercept<br />

n/N<br />

Control<br />

n/N<br />

48/103 7/50<br />

103 50<br />

02 Responders or naive to comparator DMARD (MTX)<br />

TEMPO110 [100 weeks]<br />

ERA124 [104 weeks]<br />

Subtotal (95% CI)<br />

Total events: 199 (etanercept), 159 (control)<br />

Test for heterogeneity: 2 = 1.21, df = 1 (p = 0.27), I2 98/223<br />

101/207<br />

68/228<br />

91/217<br />

430 445<br />

= 17.7%<br />

Test for overall effect: z = 3.22 (p = 0.001)<br />

Total (95% CI)<br />

Total events: 247 (etanercept), 166 (control)<br />

Test for heterogeneity: 2 = 9.47, df = 2 (p = 0.009), I2 533 495<br />

= 78.9%<br />

Test for overall effect: z = 4.51 (p < 0.00001)<br />

FIGURE 16 ACR50 RD: etanercept licensed dose versus o<strong>the</strong>r active treatment<br />

RR (fixed)<br />

95% CI<br />

0.01 0.1 1 10 100<br />

Favours control Favours etanercept<br />

RD (fixed)<br />

95% CI<br />

–1 –0.5 0 0.5 1<br />

Favours control Favours etanercept<br />

Weight<br />

%<br />

5.69<br />

5.69<br />

40.63<br />

53.68<br />

94.31<br />

100.00<br />

Weight<br />

%<br />

13.34<br />

13.34<br />

44.68<br />

41.98<br />

86.66<br />

100.00<br />

RR (fixed)<br />

95% CI<br />

3.33 (1.62 to 6.82)<br />

3.33 (1.62 to 6.82)<br />

1.47 (1.15 to 1.89)<br />

1.16 (0.94 to 1.44)<br />

1.30 (1.10 to 1.52)<br />

RD (fixed)<br />

95% CI<br />

0.33 (0.19 to 0.46)<br />

0.33 (0.19 to 0.46)<br />

0.14 (0.05 to 0.23)<br />

0.07 (–0.03 to 0.16)<br />

0.11 (0.04 to 0.17)

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