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SALT FORMULATION OF GLYCYRRHIZIC COMPOUNDS IN THERMO REVERSIBLE GEL AND TRICHLOROACETIC ACID AS A KERATOLYTIC TOPICALLY APPLIED IN THE GENITAL TRACT IN MALES AND FEMALES WITH LESIONS CAUSED BY HUMAN PAPILLOMA VIRUS INFECTIONS AS WELL AS CANCER THEREIN.
专利权人:
DESARROLLOS VPH; S.A. DE C.V.
发明人:
MARIA ESTHER DRAGUSTINOVIS RUIZ
申请号:
MX2011002098
公开号:
MX2011002098A
申请日:
2011.02.25
申请国别(地区):
MX
年份:
2012
代理人:
摘要:
The present invention refers to a novel formulation of ammonium salts of glycyrrhizic compounds such as glycyrrhizin, glycyrrhizic acid or glycyrrhetinic acid in a thermo reversible gel of the polyoxyethylene-polyoxypropylene-polyoxyethylene type as a vehicle at a 25% concentration, the compound being previously dissolved in propylene glycol as an absorption dissolvent or enhancer, at a compound concentration of from about 10, 20, 100mg/ml and to about 200 mg/ml of the active agent of the ammonium salts of glycyrrhizic acid the compound includes a preserving agent such as methylparaben at a concentration of 0.1%, once the formulation is finished, the trichloroacetic acid being added at a cocnentration of 0.5 to 5.0% and finally the ph is maintained at a rate of 3-7, preferably at 3-5 due to physiological characteristics at a vaginal level. The invention is useful for the treatment of high and low grade intraepithelial squamous lesions related to Human Papilloma Virus recurrent infect ions of high and low oncogenic risk located at the inner and outer genital area such as cervix and vagina, and vulva, penis, anus, and rectum respectively, as well as cancer present in the aforementioned anatomic al regions in men and women.Desarrollo de una nueva formulación de las sales de amonio de compuestos glicirricicos como son glicirricina, ácido glicirricinico ó ácido glicirretínico en un gel termoreversible del tipo , polioxietileno-polioxipropileno-polioxietileno como vehículo a una concentración del 25%, previa disolución del compuesto en propilenglicol como disolvente y potenciador de la absorción y una concentración del compuesto de 10,20,100 y 200 mg/mI del agente activo de las sales de amonio del ácido glicirricinico y la adición del metilparabeno al 01% como conservador, una vez terminada la formulación se agrega el ácido tricloroacético a una concentración en un rango del 0.5 al 5.0 % y finalmente se ajusta el pH en un rango de 3-7, prefiriendo el pH de 3-5 por ser el
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