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1.1 Alzheimer’s Disease
Rivastigmine tartrate capsules are indicated for the treatment of mild to moderate dementia of the Alzheimer’s type.
1.2 Parkinson’s Disease Dementia
Rivastigmine tartrate capsules are indicated for the treatment of mild to moderate dementia associated with Parkinson’s disease.
Rivastigmine tartrate is a reversible cholinesterase inhibitor and is known chemically as (S)-N-Ethyl-N-methyl-3-[1-(dimethylamino)ethyl]-phenyl carbamate hydrogen-(2R,3R)-tartrate. Rivastigmine tartrate is commonly referred to in the pharmacological literature as SDZ ENA 713 or ENA 713. It has an empirical formula of C14H22N2O2 ∙ C4H6O6 (hydrogen tartrate salt – hta salt) and a molecular weight of 400.43 (hta salt). Rivastigmine tartrate is a white to off-white, fine crystalline powder that is very soluble in water, soluble in ethanol and acetonitrile, slightly soluble in n-octanol and very slightly soluble in ethyl acetate.
The distribution coefficient at 37°C in n-octanol/phosphate buffer solution pH 7 is 3.
Rivastigmine Tartrate Capsules USP contain rivastigmine tartrate, equivalent to 1.5 mg, 3 mg, 4.5 mg and 6 mg of rivastigmine base for oral administration. Inactive ingredients are hypromellose, magnesium stearate, microcrystalline cellulose, and colloidal silicon dioxide. Each hard-gelatin capsule contains gelatin, titanium dioxide and red and/or yellow iron oxides.