Novel hydrate forms of alendronate sodium, processes for manufacture thereof, and pharmaceutical compositions thereof

摘要

New hydrate forms of alendronate sodium, having water content of between about one and about twelve percent, and processes for their manufacture, are disclosed. New crystalline forms of alendronate sodium B, D, E, F, G and H, and processes for manufacturing them, are also disclosed. These new forms of alendronate sodium are suitable for incorporation into pharmaceutical compositions for combating bone resorption in bone diseases.