An improved drug delivery composition and method of use is disclosed. The
composition comprises one or more biodegradable block copolymer drug
carriers; and a reconstitution enhancing and enabling agent comprising
polyethylene glycol (PEG), a PEG derivative or a mixture of PEG and a PEG
derivative. The composition can be administered as is or after being be
dissolved or rapidly reconstituted in an aqueous vehicle to afford a
homogeneous solution or uniform colloidal systems.