期刊
JOURNAL OF ALZHEIMERS DISEASE
卷 64, 期 3, 页码 689-707出版社
IOS PRESS
DOI: 10.3233/JAD-171157
关键词
Alzheimer's disease; amyloid-related imaging abnormality with edema/effusions; bapineuzumab; long-term safety
资金
- Janssen Alzheimer Immunotherapy Research & Development LLC
- Pfizer Inc.
- MRC [G0801306, G0601846, G0401247, UKDRI-1001, G116/143] Funding Source: UKRI
Background: A 3-year extension of two Phase III parent studies of intravenous (IV) bapineuzumab in patients with mild-to-moderate Alzheimer's disease dementia (apolipoprotein (APOE) epsilon 4 carriers and noncarriers) is summarized. Objectives: The primary and secondary objectives were to evaluate the long-term safety, tolerability, and maintenance of efficacy of bapineuzumab. Methods: A multicenter study in patients who had participated in double-blind placebo-controlled parent studies. Patients enrolled in the extension study were assigned to receive IV infusions of bapineuzumab (0.5 or 1.0 mg/kg) every 13 weeks until termination but were blinded to whether they had received bapineuzumab or placebo in the parent studies. Results: A total of 1,462 (688 were APOE epsilon 4 carriers and 774 were noncarriers) patients were enrolled. Extension-onset adverse events occurred in >81% of the patients in each dose group. Fall, urinary tract infection, agitation, and ARIA-E occurred in >= 10% of participants. The incidence proportion of ARIA-E was higher among carriers and noncarriers who received bapineuzumab for the first time in the extension study (11.8% and 5.4%, respectively) versus those who were previously exposed in the parent studies (5.1% and 1.3%, respectively). After 6 to 12 months exposure to bapineuzumab IV in the extension study, similar deterioration of cognition and function occurred with no significant differences between the dose groups. Conclusions: Infusion of bapineuzumab 0.5 or 1.0 mg/kg every 13 weeks for up to 3 years was generally well tolerated, with a safety and tolerability profile similar to that in previous studies.
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