| abstract |
Described herein are methods of treating a disease by treatment with oral sustained release methotrexate alone or in combination with folates. In some embodiments, these approaches improve the pharmacotherapeutic performance of methotrexate therapy. n Described herein are novel pharmaceutical compositions for oral administration. Also described herein are novel pharmaceutical compositions for the controlled, sustained delivery of one or more drugs to the stomach or upper gastrointestinal tract. Further described are novel pharmaceutical compositions with increased gastrointestinal residence time. More particularly, novel pharmaceutical compositions which can simultaneously, float in gastric fluid, adhere to the mucosal surfaces of the gastrointestinal tract, swell to a size which delays passage through the pylorus, are described herein. In some embodiments, the pharmaceutical compositions comprise methotrexate. In some embodiments, the pharmaceutical compositions comprise methotrexate and a folate compound. Also described herein are methods for treating or preventing diseases, by administration of the pharmaceutical compositions described herein. |