Sucharat Limsitthichaikoon. Formulation development and evaluation of wound healing activity of hyaluronic acid and lidocaine loaded in chitosan-pectin polyelectrolyte complex. (). Rangsit University. Rangsit University Library. : , 2020.
Formulation development and evaluation of wound healing activity of hyaluronic acid and lidocaine loaded in chitosan-pectin polyelectrolyte complex
Abstract:
This study intents to develop hyaluronic acid and lidocaine loaded in chitosan-pectin polyelectrolyte complex by using design expert program and allocated 9 different hyaluronic acid and lidocaine formulations. Characteristic factors such as particle size, zeta potential, % of entrapment efficiency, viscosity and % of drug release were used to evaluate the formulations. The results showed that the more hyaluronic acid concentration, the bigger particle size, higher zeta potential, viscosity and %drug release increased. High concentration of lidocaine significantly increases the particle size and % of drug release. Microscopic characteristics of PECS solution, observed by TEM, appear as sphere-like vesicles embedded with polymeric micelles. Cytotoxicity test using human gingival fibroblast showed no cytotoxic of blank PECs, hyaluronic acid and other ingredients used while lidocaine affected to cell viability as a dose dependence manner. At concentration 50-100 μg/ml of lidocaine loaded in PECS found no cytotoxic but significantly help increasing cells proliferation. Cell scratch assay showed that 100 μg/ml of lidocaine loaded in PECS induced cellular movement and gap closer better than its blank PECs and lidocaine solution. Therefore, the hyaluronic acid and lidocaine loaded in PECS formulations which showed suitable in stability and drug release, found no cytotoxicity and improved wound closer should be carried out for better effectiveness and should be evaluated for further studies.