Zalcitabine is a nucleoside analog reverse transcriptase inhibitor (NARTI).Zalcitabine is an analog of pyrimidine. It is a derivative of the naturally existing deoxycytidine, made by replacing the hydroxyl group in position 3’ with a hydrogen.It is phosphorylated in T cells and other HIV target cells into its active triphosphate form, ddCTP. This active metabolite works as a substrate for HIV reverse transcriptase, and also by incorporation into the viral DNA, hence terminating the chain elongation due to the missing hydroxyl group. Since zalcitabine is a reverse transcriptase inhibitor it possess activity only against retroviruses.
|Solubility (25°C)||DMSO 40 mg/mL
Water ≥ 35 mg/mL
Powder -20°C 3 years ; 4°C 2 years
In solvent -80°C 6 months ; -20°C 1 month
|Body Surface Area (m2)||0.007||0.025||0.15||0.05||0.02||0.5|
|Animal A (mg/kg) = Animal B (mg/kg) multiplied by||Animal B Km|
|Animal A Km|
For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.
|Related Reverse Transcriptase Products|
Rovafovir etalafenamide (GS-9131), a proagent of the adenosine nucleotide analogue GS-9148, is an orally active nucleoside reverse transcriptase inhibitor (NRTI). Rovafovir etalafenamide is potent and active against a variety of NRTI mutants, and shows potent anti-HIV-1 activity.
Azvudine (RO-0622) hydrochloride is a potent nucleoside reverse transcriptase inhibitor (NRTI), with antiviral activity on HIV, HBV and HCV. Azvudine hydrochloride exerts highly potent inhibition on HIV-1 (EC50s ranging from 0.03 to 6.92 nM) and HIV-2 (EC50s ranging from 0.018 to 0.025 nM). Azvudine hydrochloride inhibits NRTI-resistant viral strains.
Azvudine (RO-0622) is a potent nucleoside reverse transcriptase inhibitor (NRTI), with antiviral activity on HIV, HBV and HCV. Azvudine exerts highly potent inhibition on HIV-1 (EC50s ranging from 0.03 to 6.92 nM) and HIV-2 (EC50s ranging from 0.018 to 0.025 nM). Azvudine inhibits NRTI-resistant viral strains.
Ulonivirine (MK-8507) is an orally active non-nucleoside reverse transcriptase inhibitor with high antiviral activity.Ulonivirine is used in the study of HIV-1 infection.
|Tenofovir alafenamide fumarate
Tenofovir alafenamide (TAF, GS-7340) fumarate is a prodrug of tenofovir but results in significantly higher intracellular tenofovir concentrations and lower serum levels. Tenofovir alafenamide is a novel nucleotide reverse transcriptase inhibitor for the treatment of HIV-1 infection.
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