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Han-Ting Chang, Livermore US

Han-Ting Chang, Livermore, CA US

Patent application numberDescriptionPublished
20080233073ION BINDING POLYMERS AND USES THEREOF - The present invention provides methods and compositions for the treatment of ion imbalances. In particular, the invention provides compositions comprising potassium binding polymers and pharmaceutical compositions thereof. Methods of use of the polymeric and pharmaceutical compositions for therapeutic and/or prophylactic benefits are disclosed herein. Examples of these methods include the treatment of hyperkalemia, such as hyperkalemia caused by renal failure and/or the use of hyperkalemia causing drugs.09-25-2008
20080233079CROSSLINKED AMINE POLYMERS - The present invention provides methods and compositions for the treatment of ion imbalances. In particular, the invention provides polymeric and pharmaceutical compositions comprising crosslinked amine polymers. Methods of use of the polymeric and pharmaceutical compositions for therapeutic and/or prophylactic benefits are disclosed herein. Examples of these methods include the treatment of renal diseases and hyperphosphatemia.09-25-2008
20080241092ION BINDING POLYMERS AND USES THEREOF - The present invention provides methods and compositions for the treatment of ion imbalances. In particular, the invention provides compositions comprising potassium binding polymers and pharmaceutical compositions thereof. Methods of use of the polymeric and pharmaceutical compositions for therapeutic and/or prophylactic benefits are disclosed herein. Examples of these methods include the treatment of hyperkalemia, such as hyperkalemia caused by renal failure and/or the use of hyperkalemia causing drugs.10-02-2008
20080241093ION BINDING POLYMERS AND USES THEREOF - The present invention provides methods and compositions for the treatment of ion imbalances. In particular, the invention provides compositions comprising potassium binding polymers and pharmaceutical compositions thereof. Methods of use of the polymeric and pharmaceutical compositions for therapeutic and/or prophylactic benefits are disclosed herein. Examples of these methods include the treatment of hyperkalemia, such as hyperkalemia caused by renal failure and/or the use of hyperkalemia causing drugs.10-02-2008
20090148533ION BINDING COMPOSITIONS - The present invention provides methods and compositions for the treatment of ion imbalances. In particular, the invention provides core-shell compositions and pharmaceutical compositions thereof. Methods of use of the core-shell compositions for therapeutic and/or prophylactic benefits are disclosed herein. Examples of these methods include the treatment of phosphate imbalance disorders, hypertension, chronic heart failure, end stage renal disease, liver cirrhosis, chronic renal insufficiency, fluid overload, or sodium overload.06-11-2009
20090155370METHODS AND COMPOSITIONS FOR SELECTIVELY REMOVING POTASSIUM ION FROM THE GASTROINTESTINAL TRACT OF A MAMMAL - The present invention provides methods and compositions for the treatment of ion imbalances using core-shell composites and compositions comprising such core-shell composites. In particular, the invention provides core-shell particles and compositions comprising potassium binding polymers, and core-shell particles and compositions comprising sodium binding polymers, and in each case, pharmaceutical compositions thereof. Methods of use of the polymeric and pharmaceutical compositions for therapeutic and/or prophylactic benefits are also disclosed. The compositions and methods of the invention offer improved approaches for treatment of hyperkalemia and other indications related to potassium ion homeostasis, and for treatment of hypertension and other indicates related to sodium ion homeostasis.06-18-2009
20090186093METHODS FOR PREPARING CORE-SHELL COMPOSITES HAVING CROSS-LINKED SHELLS AND CORE-SHELL COMPOSITES RESULTING THEREFROM - The present invention provides methods and compositions for the treatment of ion imbalances using core-shell composites and compositions comprising such core-shell composites. In particular, the invention provides core-shell particles and compositions comprising potassium binding polymers, and core-shell particles and compositions comprising sodium binding polymers, and in each case, pharmaceutical compositions thereof. Methods of use of the polymeric and pharmaceutical compositions for therapeutic and/or prophylactic benefits are also disclosed. The compositions and methods of the invention offer improved approaches for treatment of hyperkalemia and other indications related to potassium ion homeostasis, and for treatment of hypertension and other indicates related to sodium ion homeostasis.07-23-2009
20090239896AZAINDOLE COMPOUNDS AND USE THEREOF AS PHOSPHOLIPASE-A2 INHIBITORS - Indole and indole-related compounds, compositions and methods are disclosed. The compounds of the invention are useful as phospholipase inhibitors. The compounds and compositions of the invention are useful for treatment of phospholipase-related conditions, such as insulin-related, weight-related and/or cholesterol-related conditions in an animal subject. The compounds include azaindoles of the formula below [insert FIG. 09-24-2009
20090306171INDOLE COMPOUNDS HAVING C4-AMIDE SUBSTITUENTS AND USE THEREOF AS PHOSPHOLIPASE-A2 INHIBITORS - Indole and indole-related compounds according to the formula (I) or (II) optionally having additional heteroatoms, compositions and methods are disclosed. The compounds of the invention are useful as phospholipase inhibitors. The compounds and compositions of the invention are useful for treatment of phospholipase-related conditions, such as insulin-related, weight-related and/or cholesterol-related conditions in an animal subject. Formula (I), formula (II). R12-10-2009
20090318492INDOLE COMPOUNDS HAVING C4-ACIDIC SUBSTITUENTS AND USE THEREOF AS PHOSPHOLIPASE-A2 INHIBITORS - Indole and indole-related compounds, compositions and methods are disclosed. The compounds of the invention are useful as phospholipase inhibitors. The compounds and compositions of the invention are useful for treatment of phospholipase-related conditions, such as insulin-related, weight-related and/or cholesterol-related conditions in an animal subject.12-24-2009
20100029897ANION-BINDING POLYMERS AND USES THEREOF - Anion-binding polymers are described. The anion-binding polymers in some cases are low swelling anion-binding polymers. In some cases, the anion-binding polymers have a pore volume distribution such that a fraction of the polymer is not available for non-interacting solutes above a certain percentage of the MW of the target ion for the polymer. In some cases, the anion-binding polymers are characterized by low ion-binding interference, where the interference is measured in, for example, a gastrointestinal simulant, relative to non-interfering buffer. Pharmaceutical composition, methods of use, and kits are also described.02-04-2010
20100104527TREATING HYPERKALEMIA WITH CROSSLINKED CATION EXCHANGE POLYMERS OF IMPROVED PHYSICAL PROPERTIES - The present invention is directed to methods of removing potassium or treating hyperkalemia by administering pharmaceutical compositions of crosslinked cation exchange polymers having beneficial physical properties, including combinations of particle size, particle shape, particle size distribution, viscosity, yield stress, compressibility, surface morphology, and/or swelling ratio.04-29-2010
20100111891LINEAR POLYOL STABILIZED POLYFLUOROACRYLATE COMPOSITIONS - The present invention is directed to compositions of a linear polyol and a salt of a crosslinked cation exchange polymer comprising a fluoro group and an acid group. These compositions are useful to bind potassium in the gastrointestinal tract.05-06-2010
20100111892CROSSLINKED POLYFLUOROACRYLIC ACID AND PROCESSES FOR THE PREPARATION THEREOF - The present invention is directed to crosslinked cation exchange polymers comprising a fluoro group and an acid group and being a polymerization product of at least three monomers. Pharmaceutical compositions of these polymers are useful to bind potassium in the gastrointestinal tract.05-06-2010
20110033505METHODS AND COMPOSITIONS FOR TREATMENT OF ION IMBALANCES - The present invention provides methods and compositions for the treatment of ion imbalances. In particular, the invention provides compositions comprising sodium-binding polymers and pharmaceutical compositions thereof. Methods of use of the polymeric and pharmaceutical compositions for therapeutic and/or prophylactic benefits are disclosed herein. Examples of these methods include the treatment of hypertension, chronic heart failure, end stage renal disease, liver cirrhosis, chronic renal insufficiency, fluid overload, or sodium overload.02-10-2011

Patent applications by Han-Ting Chang, Livermore, CA US