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Open Access Clinical evaluation of novel buccoadhesive film containing ketorolac in dental and post-oral surgery pain management

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Abstract:

Ketorolac tromethamine (KT), a non-steroidal anti-inflammatory drug, was formulated in buccoadhesive film to overcome the limitations in the currently available routes of administration which in sequence will increase patients’ compliance. The film was formulated using aqueous solvents by means of two bioadhesive polymers namely: hydroxylpropyl methyl cellulose (HPMC) and Carbopol 934. The prepared film was subjected to investigations for its physical and mechanical properties, swelling behavior, in vitro bioadhesion, and in vitro, in situ and in vivo release. Anti-inflammatory efficacy and analgesic activity of the prepared buccoadhesive film were investigated in rats using the hind-paw oedema test and the hot plate method. The analgesic efficacy and tolerability of a single 30 mg dose of KT formulated into the buccoadhesive film was clinically evaluated using a standard, widely accepted post-oral surgery pain model. In this study, the prepared film has been administrated to dental post-operative patients for relieving pain in dental hospital clinic. Results indicate that the concentration of KT in the oral cavity was maintained above 4.0 μg/ml for a period of at least 6 h. The buccal KT film was excellently tolerated in all patients and no complains of GI side effects were reported. It is concluded from this clinical evaluation that KT formulated into a buccoadhesive film is effective as a potent analgesic in dental and postoperative oral surgery in a single dose of 30 mg with minimal GI side effects.

Document Type: Research Article

DOI: http://dx.doi.org/10.1691/ph.2007.10.7028

Affiliations: 1: Department of Pharmaceutics, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, 11451, Saudi Arabia, Email: ialsarra@ksu.edu.sa 2: Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia 3: Dental University Clinic, College of Dentistry, King Saud University, Riyadh, Saudi Arabia

Publication date: October 1, 2007

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  • Pharmazie is one of the world's leading pharmaceutical journals. As a peer-reviewed scientific journal, DiePharmazie is regularly indexed in Current Contents/Life Sciences, Excerpta Medica, Analytical Abstracts, International Pharmaceutical Abstracts, Beilstein Current Facts in Chemistry, Chemical Engineering and Biotechnology Abstracts (CEABA) and Science Citation Index.
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