Abstract
This work is based on a gastroresistant delivery system, in which the drug crosses the gastric medium intact and is controlled released in the enteric medium. The drug selected is Oxytetracycline (OTC), which after be ingested it causes irritation to the gastric mucosa. OTC is an antibiotic of broad-spectrum of the tetracycline family with bacteriostatic action. The method chosen to prepa…