Page 41 - controlled drug delievery
P. 41
Cont. Dissolution-controlled Systems.
1- Matrix Dissolution systems
• Prepared by compressing the drug with slowly soluble carrier
into tablets.
• Matrix forming materials include digestible fats such as
hydrogenated vegetable oils, mono & triglycerides e.g. glyceryl
tristearate
2- Reservoir Dissolution systems
• Prepared by:
–
–
• Release rate is variable with:
