FORMULATION AND IN-VITRO, IN-VIVO RELEASE STUDIES OF DRUGS FROM SEMISOLID DOSAGE FORMS

Abstract

SEVERAL SEMISOLID DOSAGE FORMS CONTAINING THEOPHYLLINE, OR THEOPHILLINE SODIUM GLYCINATE (TS6) OR SULINDAL WERE PREPARED TO DETERMINE THE IN-VITRO RELEASE OF THE DRUGS. THE GENERAL RANK ORDER FOR THE IN-VITRO RELEASE OF THE DRUGS WAS FOUND TO BE: GELS>MICROEMULSIONS>EMULSION GELS>EMULSION O/W>EMULSION W/O. THE SELECTED GEL CONTAINING THEOPHYLLINE 1% HAD NO EFFECT ON THE TREATMENT OF PSORIASIS. TSG WAS RELEASED FASTER IN-SITU FROM A GEL CONTAINING 2% TSG THAN FROM EMULSIONS O/W AND W/O. PENETRATION ENHANCERS SUCH AS DMSO, DMF AND UREA AT 5% AND 10%CONCENTRATION LEVELS HAD NO SIGNIFICANT EFFECT IN ENHANCING THE IN-SITU RELEASE OF TSG. THE IN-SITU RELEASE RATE OF THE DRUG WAS INCREASED AS THE CONCENTRATION LEVEL OF TSG WAS INCREASED FROM 2% TO 5% AND 10% WITHIN THE GEL BASE. THE PERCUTANEOUS ABSORPTION OF THEOPHYLLINE FROM THE SELECTED GEL (WITH 10% TSG) WAS STUDIED IN RABBITS AND IT WAS FOUND CMAX=3.28MG/ML, TMAX=10HRS, AUCO-24=49. 7MG.HR/ML. SULINDAC WAS ALSO RELEASED FASTER IN-SITU FRO ...
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DOI
10.12681/eadd/0917
Handle URL
http://hdl.handle.net/10442/hedi/0917
ND
0917
Alternative title
ΜΟΡΦΟΠΟΙΗΣΗ ΚΑΙ IN-VITRO, IN-VIVO ΜΕΛΕΤΕΣ ΑΠΟΔΕΣΜΕΥΣΗΣ ΦΑΡΜΑΚΩΝ ΑΠΟ ΗΜΙΣΤΕΡΕΕΣ ΦΑΡΜΑΚΟΤΕΧΝΙΚΕΣ ΜΟΡΦΕΣ
Author
Dallas, Paraskevas (Father's name: Panagiotis)
Date
1988
Degree Grantor
National and Kapodistrian University of Athens
Committee members
ΧΟΥΛΗΣ ΝΙΚΟΛΑΟΣ
ΠΑΠΑΙΩΑΝΝΟΥ ΓΕΩΡΓΙΟΣ
ΚΥΡΟΥΔΗ ΣΟΦΙΑ
ΕΦΕΝΤΑΚΗΣ ΕΜΜΑΝΟΥΗΛ
ΦΙΛΙΑΝΟΣ ΣΚΕΥΟΣ
Discipline
Medical and Health Sciences
Basic Medicine
Keywords
Formulation; IN-VITRO RELEASE; OINTMENTS-CREAMS-GELS-EMULSION GELS; Penetration Enhancers; PERCUTANEOUS ABSORPTION; SEMISOLID DOSAGE FORMS; Sulindac; Theophylline; THEOPHYLLINE SODIUM GLYCINATE
Country
Greece
Language
Greek
Description
145 σ.
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