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Antimalarial activity of 9a-N substituted 15-membered azalides with improved in vitro and in vivo activity over azithromycin (CROSBI ID 183168)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Perić, Mihaela ; Fajdetić, Andreja ; Rupčić, Renata ; Alihodžić, Sulejman ; Žiher, Dinko ; Bukvić Krajačić, Mirjana ; Smith, Kirsten S. ; Ivezić-Schönfeld, Zrinka ; Padovan, Jasna ; Landek, Goran et al. Antimalarial activity of 9a-N substituted 15-membered azalides with improved in vitro and in vivo activity over azithromycin // Journal of medicinal chemistry, 55 (2012), 3; 1389-1401

Podaci o odgovornosti

Perić, Mihaela ; Fajdetić, Andreja ; Rupčić, Renata ; Alihodžić, Sulejman ; Žiher, Dinko ; Bukvić Krajačić, Mirjana ; Smith, Kirsten S. ; Ivezić-Schönfeld, Zrinka ; Padovan, Jasna ; Landek, Goran ; Jelić, Dubravko ; Hutinec, Antun ; Mesić, Milan ; Ager, Arba ; Ellis, William Y. ; Milhous, Wilbur ; Ohrt, Colin ; Spaventi, Radan

engleski

Antimalarial activity of 9a-N substituted 15-membered azalides with improved in vitro and in vivo activity over azithromycin

Novel classes of antimalarial drugs are needed due to emerging drug resistance. Azithromycin, the first macrolide investigated for malaria treatment and prophylaxis, failed as a single agent and thus novel analogues were envisaged as the next generation with improved activity. We synthesized 42 new 9a-N substituted 15-membered azalides with amide and amine functionalities via simple and inexpensive chemical procedures using easily available building blocks. These compounds exhibited marked advances over azithromycin in vitro in terms of potency against Plasmodium falciparum (over 100-fold) and high selectivity for the parasite and were characterized by moderate oral bioavailability in vivo. Two amines and one amide derivative showed improved in vivo potency in comparison to azithromycin when tested in a mouse efficacy model. Results obtained for compound 6u, including improved in vitro potency, good pharmacokinetic parameters, and in vivo efficacy higher than azithromycin and comparable to chloroquine, warrant its further development for malaria treatment and prophylaxis.

antimalarial; azalide; amide; amine; malaria; SAR; efficacy; pharmacokinetic

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Podaci o izdanju

55 (3)

2012.

1389-1401

objavljeno

0022-2623

Povezanost rada

Kemija, Temeljne medicinske znanosti, Farmacija

Indeksiranost