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2010 | 15 | 135 - 142

Article title

THE EFFECT OF SELECTED POLYMERS ON THE PROPERTIES OF THERMOSENSITIVE HYDROPHILIC GELS CONTAINING LACTIC ACID COMPLEXED WITH CHITOSAN

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Languages of publication

EN

Abstracts

EN
Bacterial vaginitis affects women of all age groups. Numerous recurrences of the condition are widely discussed by clinicians. Traditional therapeutic schemes recommended by world treatment centres and health organizations do not bring satisfactory results. Their effects are hampered by numerous anatomic and physiological conditions which do not facilitate prolonged contact of the drug with the application site. The investigations demonstrated that the thermosensitive polymer - poloxamer 407 increases significantly the adhesive properties of hydrophilic gels, but at the same time it increases their pH. The addition of PVP K-30 or hydroxypropylmethylcellulose reduces the pH and maintains high adhesion. The use of PVP K-30 and hydroxypropylmethylcellulose allowed to obtain narrow physiological range – lower limits of the physiological range. Rheological investigations revealed an increase in the dynamic viscosity of reparations containing poloxamer 407 with the addition of PVP K-30 or hydroxypropylmethylcellulose in comparison to the reference gels.

Contributors

  • Faculty of Pharmacy The “Silesian Piasts” memorial Medical University of Wroclaw

References

  • Brandt M., Abels C., May T., Lohmann K., Schmidts-Winkler I., Hoyme U. B.; (2008) Intravaginally applied metronidazole is as effective as orally applied in the treatment of bacterial vaginosis, but exhibits significantly less side effects. Eur. J. Obstet. Gynecol. Reprod. Biol. 141, pp. 158-162.
  • Donders G. G. G., Larson P. G., Platz-Christensen J. J., Hallen A., Meijden W., Wölner- Hanssen P.; (2009) Variability in diagnosis of clue cells, lactobacillary grading and white blood cells in vaginal wet smears with conventional bright light and phase contrast microscopy. Eur. J. Obstet. Gynecol. Reprod. Biol. 145, pp. 109-112.
  • Kubis A. A., Małolepsza-Jarmołowska K.; (1996) Studies on gynecological hydrophiling preparations comprising lactic acid. Part 1: Effects of lactic acid and hydrophiling agents on physical and chemical properties of methylcellulose gels. Pharmazie 51, pp. 989 – 990.
  • Małolepsza-Jarmołowska K., Kubis A. A.; (1999) Studies on gynecological hydrophilic lactic acid preparations. Part 2: Effects of Eudragit® E-100 on properties of methylcellulose gels. Pharmazie 54, pp. 441-443.
  • Małolepsza-Jarmołowska K., Kubis A. A.; (2000) Studies on gynaecological hydrophilic lactic acid preparations. Part 3: Effects of chitosan on the properties of methylcellulose gels. Pharmazie 55, pp. 610-611.
  • Małolepsza-Jarmołowska K., Kubis A. A.; (2001) Studies on gynaecological hydrophilic lactic acid preparations. Part 4: Effects of polyvinyl pyrrolidone K-90 on properties of methylcellulose gels. Pharmazie 56, pp. 160-162.
  • Małolepsza-Jarmołowska K., Kubis A. A., Hirnle L.; (2003) Studies on gynaecological hydrophilic lactic acid preparations. Part 5: The use of Eudragit® E-100 as lactic acid carrier in intravaginal tablets. Pharmazie 58, pp. 260-262.
  • Małolepsza-Jarmołowska K., Kubis A. A., Hirnle L.; (2003) Studies on gynaecological hydrophilic lactic acid preparations. Part 6: Use of Eudragit® E-100 as lactic acid carrier in intravaginal tablets. Pharmazie 58, pp. 334-336.
  • Małolepsza-Jarmołowska K.; (2006) Studies on gynaecological hydrophilic lactic acid preparations. Part 7: Use of chitosan as lactic acid carrier in intravaginal tablets (globuli vaginales). Pharmazie 61, pp. 780-782.
  • Małolepsza-Jarmołowska K.; (2007) Studies on gynaecological hydrophilic lactic acid preparations. Part 8: Use of chitosan as lactic acid carrier in intravaginal tablets. Acta Pol. Pharm. 64, pp. 69-72.

Document Type

article

Publication order reference

Identifiers

YADDA identifier

bwmeta1.element.psjd-4a9aecfc-0611-402b-b3cc-e45519e0d220
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