The present invention is directed to multivalent Clostridial toxin
comprising more than one binding domain directed to a cell surface
molecule of a target cell. Such modified toxins are useful as therapeutic
compositions to prevent exocytosis and secretion by the target cell.
Conditions in which such compositions man be useful include, without
limitation, disorders of the sensory or motor nervous system, acute or
chronic pain, cancer, pancreatitis, hyperhydrosis, glandular disorders,
viral infections, cystic fibrosis and the like. The invention is also
directed to methods of using and administering such a composition, and
methods of treating a given condition using such a composition.