16w Interventional Study on Titration and Dose/Efficacy Assessment of Exelon in Chinese Alzheimer's Disease Patients

The following strengths of Rivastigmine capsules were provided: Rivastigmine capsule strengths: 1.5mg, 3mg, 4.5mg. The 6mg dose was administered as one 1.5mg capsule and one 4.5mg capsule, and when necessary, the 3mg dose could also be administered as two 1.5mg capsules. Rivastigmine was administered from 3mg/d at baseline. Then dose escalation was made in 3mg/d increments, at a minimun of 4 weeks between dose increases to a maximum dose of 12mg/d or the individual's best tolerated dose.