A systematic review and economic model of the effectiveness and ...
A systematic review and economic model of the effectiveness and ...
A systematic review and economic model of the effectiveness and ...
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66<br />
Clinical <strong>effectiveness</strong><br />
TABLE 49 IR-MPH high dose (>30 mg/day) versus ER-MPH medium dose (20–40 mg/day)<br />
Study Design Intervention – N Age Duration Core outcomes<br />
(years) (weeks)<br />
Administered twice daily<br />
Wolraich, 2001 97 P MPH (15, 30 or 45 mg/day, 6–12 4 Core: SNAP-IV: hyperactivity/<br />
t.d.s.) vs OROS MPH (Concerta) impulsivity (parent, teacher)<br />
(18, 36 or 54 mg/day, o.d.) – 312 QoL: CGI improvement<br />
(investigators)<br />
AE: solicited <strong>and</strong> spontaneous<br />
reports: focus on sleep quality,<br />
tics <strong>and</strong> appetite (parent)<br />
Quinn, 2003 84 [Confidential information removed]<br />
Steele, 200490 [Confidential information removed]<br />
P, parallel trial.<br />
TABLE 50 Results for hyperactivity [IR-MPH high dose (>30 mg/day) versus ER-MPH medium dose (20–40 mg/day)]<br />
Study Scale IR-MPH high dose: ER-MPH medium Mean<br />
mean (SD) dose: mean (SD) difference<br />
6–12 years<br />
Wolraich, 2001 97 MD (95% CI)<br />
SNAP-IV (hyperactivity/ 0.93 (0.79) 0.96 (0.79) –0.05 (–0.24 to 0.14)<br />
impulsivity) (teacher rated)<br />
SNAP-IV (hyperactivity/ 1.10 (0.69) 1.11 (0.65) 0.17 (0.03 to 0.31)<br />
impulsivity) (parent rated)<br />
Lower scores represent a better behavioural outcome.<br />
Study<br />
MPH (high dose)<br />
n/N<br />
Quinn 2003<br />
Steele 2004<br />
Wolraich 2001 6/107<br />
non-confidential study showed similar<br />
improvement between treatment groups.<br />
Regarding adverse events, <strong>the</strong> non-confidential<br />
trial found no differences between <strong>the</strong> treatment<br />
groups with regard to loss <strong>of</strong> appetite or stomach<br />
ache. However, this trial reported a higher<br />
incidence <strong>of</strong> headache with ER-MPH. The one<br />
study that examined hyperactivity rated poorly in<br />
<strong>the</strong> quality assessment.<br />
[Confidential information removed].<br />
ER-MPH (medium dose)<br />
n/N<br />
15/106<br />
FIGURE 20 Relative risks <strong>of</strong> headache: MPH high dose versus ER-MPH medium dose<br />
RR (fixed)<br />
95% CI<br />
[Confidential information removed]<br />
[Confidential information removed]<br />
0.1 0.2 0.5 1 2 5 10<br />
Favours MPH-IR Favours ER-MPH<br />
RR (fixed)<br />
95% CI<br />
0.40 (0.16 to 0.98)<br />
IR-MPH medium dose (15–30 mg/day) plus<br />
non-drug intervention versus ER-MPH low dose<br />
(≤ 20 mg/day) plus non-drug intervention<br />
Two studies evaluated medium-dose<br />
(15–30 mg/day) IR-MPH plus non-drug<br />
intervention compared with low-dose<br />
(≤ 20 mg/day) ER-MPH plus non-drug<br />
intervention (Table 51; with additional information<br />
in Appendix 12). These studies were both<br />
conducted by Pelham <strong>and</strong> colleagues <strong>and</strong><br />
involved behaviour modification during an