Topic - Controlled Drug Release by Excipient Modification: A Review

Excipients play an essential role in the physical and chemical characteristics of oral dosage form. The excipient modification can alter parameters like dissolution disintegration. Oral form passes through varying pH human gastrointestinal tract delivers drug at a specific site. For providing pH-responsive form, novel techniques are used, which include hydrogels, nanoparticles, microspheres. article also reviews problems related to interactions questions delivering targets by showing release. addition excipients lignin achieve better modified version controlled release active pharmaceutical excipient. biopolymer be altered due many functional groups its structure. use help within tract. natural polymers should increased manufacture eco-friendly economical forms.