A CHITOSAN POLYMER HAVING A SPECIFIC DEGREE OF ACETYLATION

摘要

The present invention relates to a pharmaceutical formulation comprising a chitosan polymer having a degree of acetylation of between 20 % and 45 % and a molecular weight of above 75,000, and a therapeutic active agent, a chitosan polymer for preparing said formulation, and the use of said chitosan polymer and a method of enhancing the absorption of a therapeutic active agent.