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1.
Eksp Klin Farmakol ; 77(7): 27-30, 2014.
Artigo em Russo | MEDLINE | ID: mdl-25322651

RESUMO

The pharmacokinetic properties of a new imidazobenzimidazole derivative, compound RU-1205, were studied after peroral administration to rabbits at a dose of 50 mg/kg as a parent substance and in coated tablet dosage form. It was found that RU-1205 tablets are characterized by high values of the relative bioavailability (105.3 +/- 11.7%). The results of hot-plate and vinegar-cramp tests showed that both the dosage form and parent substance produced the same analgesic effect. Granulated RU-1205 produced maximum analgesic effect (138.8% relative to control) within 4-h investigation and retained higher analgesic activity compared to that of parent substance (on the average by 58%, p < 0.05) up to 12 h.


Assuntos
Analgésicos não Narcóticos/farmacocinética , Benzimidazóis/farmacocinética , Morfolinas/farmacocinética , Analgésicos não Narcóticos/química , Analgésicos não Narcóticos/farmacologia , Animais , Benzimidazóis/química , Benzimidazóis/farmacologia , Disponibilidade Biológica , Relação Dose-Resposta a Droga , Masculino , Morfolinas/química , Morfolinas/farmacologia , Coelhos , Comprimidos
3.
Eksp Klin Farmakol ; 76(9): 15-8, 2013.
Artigo em Russo | MEDLINE | ID: mdl-24432563

RESUMO

We have studied the analgesic activity of a morpholinoethylimidazobenzimidazole derivative (RU-1205) in comparison to butorphanol. It is established that the test compound exhibits a pronounced analgesic activity, which exceeded that ofbutorphanol six times in the hot-plate test and was comparable to the reference drug effect in the tail-flick and acetic acid-induced writhing tests. It is established that the analgesic action of RU-1205 is based on the kappa-opioidergic mechanism.


Assuntos
Analgésicos/farmacologia , Benzimidazóis/farmacologia , Morfolinas/farmacologia , Nociceptividade/efeitos dos fármacos , Dor/prevenção & controle , Receptores Opioides kappa/agonistas , Animais , Animais não Endogâmicos , Butorfanol/farmacologia , Masculino , Camundongos , Naloxona/farmacologia , Naltrexona/análogos & derivados , Naltrexona/farmacologia , Antagonistas de Entorpecentes/farmacologia , Medição da Dor , Ratos , Receptores Opioides kappa/antagonistas & inibidores , Receptores Opioides kappa/metabolismo
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