Drug delivery patent using PST technology

A former name referring to PEG-polyester type polymers from Akina was "Polycelle". This is referenced in a patent:
Method for Prevention or Treatment of Inflammatory Disease
Application number: 11/572,797
Publication number: US 2008/0113016 A1
Filing date: Jul 25, 2005
Inventors: Gary Steven Firestein, David Louis Boyle, Linda Sue Sorkin
"Methods are provided for prevention or treatment of inflammatory disease in a mammal by administering an inhibitor of mitogen activated (MAP) kinase system to the mammal in a therapeutic amount to the mammal in need thereof. The MAP kinase inhibitor is targeted to the central nervous system of the mammal. Methods are further provided for prevention or treatment of inflammatory disease in a mammal by administering an antagonist of TNF-α to the mammal in a therapeutic amount to the mammal in need thereof. The TNF-α antagonist is targeted to the central nervous system of the mammal."