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  • Title: The effects of infliximab maintenance therapy on health-related quality of life.
    Author: Feagan BG, Yan S, Bala M, Bao W, Lichtenstein GR.
    Journal: Am J Gastroenterol; 2003 Oct; 98(10):2232-8. PubMed ID: 14572573.
    Abstract:
    OBJECTIVES: The ACCENT I study evaluated the long term effects of infliximab as maintenance therapy for patients with Crohn's disease. Health-related quality of life (HRQL) was also assessed in the trial. METHODS: In ACCENT I, a total of 573 patients received a single infusion of 5 mg/kg infliximab at baseline. After assessment of response at wk 2, patients were randomly assigned repeat infusions of placebo at wk 2 and 6 and then every 8 wk thereafter until wk 46 (single dose), repeat infusions of 5 mg/kg of infliximab at the same time points (5 mg/kg maintenance), or 5 mg/kg of infliximab at wk 2 and 6 followed by 10 mg/kg (10 mg/kg maintenance). HRQL analyses presented include the 335 patients classified as wk-2 responders. The treatment regimens were compared with regard to their change from baseline in the IBDQ and Short Form-36 (SF-36) scores. RESULTS: Baseline scores indicated substantial impairment in HRQL. Throughout the study, all IBDQ and SF-36 scores were improved at all time points compared to baseline. After wk 10 and through wk 54, these improvements were greater in the two infliximab maintenance groups than in the single-dose group. The mean change from baseline to wk 54 in total IBDQ was greater in the 5-mg/kg maintenance group (22.1, p < 0.05) and 10-mg/kg maintenance group (30.2, p < 0.001) than in the single-dose group (8.9). Similarly, the mean change from baseline to wk 54 in the PCS of the SF-36 was greater in the 5-mg/kg maintenance group (6.1, p < 0.05) and 10-mg/kg maintenance group (7.2, p < 0.01) than in the single-dose group (2.5). CONCLUSIONS: Infliximab therapy provides substantially improved HRQL as measured by both the disease-specific IBDQ and the generic SF-36. A maintenance regimen of either 5 mg/kg or 10 mg/kg of infliximab is more effective than a single 5-mg/kg infliximab infusion in sustaining this benefit.
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