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Cidofovir used, Side, Doses, mechanism of action & more

 Cidofovir

Brand name:- Cidnavir injection.

Cidofovir, brand name Vistide, is a topical or injectable antiviral medication primarily used as a treatment for cytomegalovirus (CMV) retinitis (an infection of the retina of the eye) in people with AIDS.
Cidofovir was approved for medical use in 1996.

Pharmacodynamic:-

Cidofovir is a new anti-viral drug. It is classified as a nucleotide analogue and is active against herpes cytomegalovirus (CMV) retinitis infection. Most adults are infected with CMV. Cidofovir suppresses cytomegalovirus (CMV) replication by selective inhibition of viral DNA synthesis.

 Mechanism of action:- 

Cidofovir acts through the selective inhibition of viral DNA polymerase.Biochemical data support selective inhibition of CMV DNA polymerase by cidofovir diphosphate, the active intracellular metabolite of cidofovir. Cidofovir diphosphate inhibits herpes virus polymerases at concentrations that are 8- to 600-fold lower than those needed to inhibit human cellular DNA polymerase alpha, beta, and gamma. Incorporation of cidofovir into the growing viral DNA chain results in reductions in the rate of viral DNA synthesis.

Used:- 

This drug is used with probenecid to treat a certain viral eye infection (retinitis due to cytomegalovirus-CMV) in people with AIDS. It lowers your risk of blindness and other vision problems. Cidofovir belongs to a class of drugs known as antivirals. It works by stopping the growth of the virus.Cidofovir is not a cure for CMV retinitis, and your disease may still worsen during and after treatment.

Side effects:-

Nausea may occur. Headache, nausea, and vomiting may occur with probenecid use.

Dose:- As directed by your doctor.

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