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Articles by Christopher H. van Dyck
Total Records ( 1 ) for Christopher H. van Dyck
  Martin Farlow , Steven E. Arnold , Christopher H. van Dyck , Paul S. Aisen , B. Joy Snider , Anton P. Porsteinsson , Stuart Friedrich , Robert A. Dean , Celedon Gonzales , Gopalan Sethuraman , Ronald B. DeMattos , Richard Mohs , Steven M. Paul and Eric R. Siemers
  Objectives To assess the safety, tolerability, pharmacokinetics, and pharmacodynamics of 12 weekly infusions of solanezumab, an anti-β-amyloid (Aβ) antibody, in patients with mild-to-moderate Alzheimer‘s disease. Cognitive measures were also obtained. Methods In this phase 2, randomized, double-blind, placebo-controlled clinical trial, 52 patients with Alzheimer‘s disease received placebo or antibody (100 mg every 4 weeks, 100 mg weekly, 400 mg every 4 weeks, or 400 mg weekly) for 12 weeks. Safety and biomarker evaluations continued until 1 year after randomization. Both magnetic resonance imaging and cerebrospinal fluid (CSF) examinations were conducted at baseline and after the active treatment period. The Aβ concentrations were measured in plasma and CSF, and the Alzheimer‘s Disease Assessment Scale–cognitive portion was administered. Results Clinical laboratory values, CSF cell counts, and magnetic resonance imaging scans were unchanged by treatment, and no adverse events could be clearly related to antibody administration. Total (bound to antibody and unbound) Aβ1–40 and Aβ1–42 in plasma increased in a dose-dependent manner. Antibody treatment similarly increased total Aβ1–40 and Aβ1–42 in CSF. For patients taking 400 mg weekly, antibody treatment decreased unbound Aβ1–40 in CSF (P < .01), but increased unbound Aβ1–42 in CSF in a dose-dependent manner. The Alzheimer‘s Disease Assessment Scale–cognitive portion was unchanged after the 12-week antibody administration. Conclusions Antibody administration was well tolerated with doses up to 400 mg weekly. The dose-dependent increase in unbound CSF Aβ1–42 suggests that this antibody may shift Aβ equilibria sufficiently to mobilize Aβ1–42 from amyloid plaques.
 
 
 
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