M.Pharm

About Authors:
S.R.Edwin Singh^*
Department of Pharmaceutics, Seshachala College of Pharmacy,
Tirupathi – Chennai High way,   Puttur-517 583, 
Chittoor (dist), A.P., India.

Abstract:
This article aims to review the recent developments in the buccal adhesive drug delivery systems to provide basic principles to the young scientists, which will be useful to circumvent the difficulties associated with the formulation design. The Rapid developments in the field of molecular biology and gene technology resulted in generation of many macromolecular drugs including peptides, proteins, polysaccharides and nucleic acids in great number possessing superior pharmacological efficacy with site specificity and devoid of unwanted and toxic effects. The oral cavity is highly acceptable by patients.  The mucosa is relatively permeable with a rich blood supply, it is robust and shows short recovery times after stress or damage.  The virtual lack of Langerhans cells makes the oral mucosa tolerant to potential allergens. Buccal drug delivery leads direct access to the systemic circulation through the internal jugular vein bypasses drugs from the hepatic first pass metabolism leading to high bioavailability. Buccal route is an attractive route of administration for systemic drug delivery. Buccal bioadhesive films, releasing topical drugs in the oral cavity at a slow and predetermined rate, provide distinct advantages over traditional dosage forms for treatment of many diseases.

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About Authors:
^1*Ajeet, ²Shelly Singh
¹Department of Medicinal Chemistry, S. D. College of Pharmacy and Vocational Studies,
Bhopa Road, Muzaffarnagar, U.P., India, PIN-251001
²Department of Pharmaceutics, Mahatma Gandhi College of Pharmaceutical Sciences,
Jaipur, Rajasthan, India.
* ajeet_pharma111@rediffmail.com

Abstract
Iontophoresis, a 250 years old technology for delivering the drug is simply based on the use of electrical potential. Being so old, it is still having too popped up just because of its unlimited aspects to work with. In the present review, I tried to compile the vast aspects of a drug delivery system termed as iontophoresis. Iontophoresis is one of the most interesting and challenging endeavors facing the pharmaceutical scientist. The systemic drug delivery systems often require large dose and are associated with gastrointestinal side effects, while topical application of solutions, suspensions, and ointments show variability in absorption patterns. Iontophoresis technique is capable of expanding the range of compounds that can be delivered through ocular, transdermal, ural, transungual, buccal or by nasal route.

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