[The dynamics of drug release from suppositories. Part 2: Phenylpyrazolone derivatives in animal experimentation (author's transl)]. 1979

J Pasich, and B Galoch, and K Kustra

The authors studied the in vivo absorption of aminophenazone and aminoantipyrine from suppositories produced by means of, respectively, hydrophilic vehicles (PEG 1000, PEG 1500, PEG 2800, PEG 4000, PEG 5000) and lipophil vehicles (Witepsol H 15 and cocoa butter). It was found that the above-mentioned drugs were absorbed more rapidly from the suppositories with a hydrophilic vehicle than from those with a lipophil vehicle. The absorption time decreased with the increase in molecular mass of the polyethylene glycols used. The absorption times of the two drugs from suppositories with cocoa butter and Witepsol H 15 were relatively short. A correlation has been established between in vitro release and in vivo absorption.

UI MeSH Term Description Entries
D011720 Pyrazoles Azoles of two nitrogens at the 1,2 positions, next to each other, in contrast with IMIDAZOLES in which they are at the 1,3 positions.
D011817 Rabbits A burrowing plant-eating mammal with hind limbs that are longer than its fore limbs. It belongs to the family Leporidae of the order Lagomorpha, and in contrast to hares, possesses 22 instead of 24 pairs of chromosomes. Belgian Hare,New Zealand Rabbit,New Zealand Rabbits,New Zealand White Rabbit,Rabbit,Rabbit, Domestic,Chinchilla Rabbits,NZW Rabbits,New Zealand White Rabbits,Oryctolagus cuniculus,Chinchilla Rabbit,Domestic Rabbit,Domestic Rabbits,Hare, Belgian,NZW Rabbit,Rabbit, Chinchilla,Rabbit, NZW,Rabbit, New Zealand,Rabbits, Chinchilla,Rabbits, Domestic,Rabbits, NZW,Rabbits, New Zealand,Zealand Rabbit, New,Zealand Rabbits, New,cuniculus, Oryctolagus
D012007 Rectum The distal segment of the LARGE INTESTINE, between the SIGMOID COLON and the ANAL CANAL. Rectums
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013488 Suppositories Medicated dosage forms that are designed to be inserted into the rectal, vaginal, or urethral orifice of the body for absorption. Generally, the active ingredients are packaged in dosage forms containing fatty bases such as cocoa butter, hydrogenated oil, or glycerogelatin that are solid at room temperature but melt or dissolve at body temperature. Rectal Suppositories,Vaginal Suppositories,Vaginal Suppository,Suppositories, Rectal,Suppositories, Vaginal,Suppository, Vaginal
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor

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