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Tomeglovir is a potent anti-CMV agent, inhibiting processing of viral DNA-concatemers, with IC50s of 0.34 μM and 0.039 μM for HCMV and MCMV.

Tomeglovir (BAY 38-4766) is a potent anti-CMV agent, with IC50s of 0.34 μM and 0.039 μM for HCMV and MCMV. Tomeglovir also suppresses HELF and NIH 3T3 cells, with CC50s of 85 μM and 62.5 μM, respectively[1]. Tomeglovir (BAY 38-4766) inhibits HCMV Davis and various monkey CMV strains with EC50s of 1.03 ± 0.57 μM and < 1 μM[2].

Tomeglovir (BAY 38-4766; 3, 10, 30, 100 mg/kg, p.o.) dose-dependently reduces MCMV-DNA in salivary glands, livers and kidneys of MCMV-infected NOD-SCID mice, and prolongs the survival of the mice. Tomeglovir (10, 25 and 50 mg/kg) shows antiviral activity in the hollow fiber mouse model[1]. Tomeglovir (BAY 38-4766) shows antiviral activity in SCID mice with MCMV, and the LD50 is >2000 mg/kg in mice and rats[2].

[1]. Weber O, et al. Inhibition of murine cytomegalovirus and human cytomegalovirus by a novel non-nucleosidic compound in vivo. Antiviral Res. 2001 Mar;49(3):179-89. [2]. Reefschlaeger J, et al. Novel non-nucleoside inhibitors of cytomegaloviruses (BAY 38-4766): in vitro and in vivo antiviral activity and mechanism of action. J Antimicrob Chemother. 2001 Dec;48(6):757-67.

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