Valopicitabine: Difference between revisions

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{{Short description|Antiviral drug candidate}}
{{DISPLAYTITLE:Valopicitabine}}
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| IUPAC_name = 2'-C-methylcytidine
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'''Valopicitabine''' (also known as NM283) is an investigational antiviral drug that was being developed for the treatment of [[hepatitis C]]. It is a prodrug of [[2'-C-methylcytidine]], which is a nucleoside analog that inhibits the replication of the hepatitis C virus (HCV).
== Valopicitabine ==
[[File:Valopicitabine_structure.png|thumb|right|Chemical structure of Valopicitabine]]


==Mechanism of action==
'''Valopicitabine''' is an investigational antiviral drug that was developed for the treatment of [[hepatitis C virus]] (HCV) infection. It is a prodrug of [[NM283]], which is a nucleoside analog that inhibits the replication of HCV by targeting the viral [[RNA polymerase]].
Valopicitabine is designed to inhibit the [[RNA-dependent RNA polymerase]] of the hepatitis C virus. As a nucleoside analog, it mimics the natural substrates of the viral polymerase, thereby interfering with the viral replication process. Once inside the body, valopicitabine is converted into its active form, 2'-C-methylcytidine, which is incorporated into the viral RNA, leading to chain termination.


==Development and clinical trials==
== Mechanism of Action ==
Valopicitabine was developed by [[Idera Pharmaceuticals]] and was one of the first oral antiviral agents to be tested for hepatitis C. During its development, it showed promise in early clinical trials, particularly in combination with other antiviral agents such as [[pegylated interferon]]. However, further development was halted due to concerns about its safety profile and the emergence of more effective treatments.
Valopicitabine is converted in the body to its active form, NM283, which is a nucleoside analog. NM283 mimics the natural substrates of the HCV RNA-dependent RNA polymerase, thereby inhibiting the replication of the viral genome. This inhibition prevents the virus from multiplying and spreading within the host.


==Safety and side effects==
== Clinical Development ==
In clinical trials, valopicitabine was associated with several side effects, including gastrointestinal disturbances such as nausea and diarrhea. Some patients also experienced elevated liver enzymes, which raised concerns about potential liver toxicity. These safety issues, along with the development of more effective therapies, led to the discontinuation of its development.
Valopicitabine was studied in several clinical trials to assess its efficacy and safety in patients with chronic hepatitis C. The drug showed promise in early-phase trials, demonstrating a reduction in viral load in patients. However, further development was halted due to concerns about its side effect profile and the emergence of more effective treatments for HCV.


==Related pages==
== Side Effects ==
During clinical trials, valopicitabine was associated with several side effects, including gastrointestinal disturbances such as nausea and diarrhea. Some patients also experienced elevated liver enzymes, which indicated potential liver toxicity. These adverse effects contributed to the decision to discontinue its development.
 
== Related Pages ==
* [[Hepatitis C]]
* [[Hepatitis C]]
* [[Antiviral drug]]
* [[Antiviral drug]]
* [[RNA polymerase]]
* [[Nucleoside analog]]
* [[Nucleoside analog]]
==References==
{{Reflist}}


[[Category:Antiviral drugs]]
[[Category:Antiviral drugs]]
[[Category:Experimental drugs]]
[[Category:Hepatitis C treatments]]

Latest revision as of 05:33, 16 February 2025


Valopicitabine[edit]

Chemical structure of Valopicitabine

Valopicitabine is an investigational antiviral drug that was developed for the treatment of hepatitis C virus (HCV) infection. It is a prodrug of NM283, which is a nucleoside analog that inhibits the replication of HCV by targeting the viral RNA polymerase.

Mechanism of Action[edit]

Valopicitabine is converted in the body to its active form, NM283, which is a nucleoside analog. NM283 mimics the natural substrates of the HCV RNA-dependent RNA polymerase, thereby inhibiting the replication of the viral genome. This inhibition prevents the virus from multiplying and spreading within the host.

Clinical Development[edit]

Valopicitabine was studied in several clinical trials to assess its efficacy and safety in patients with chronic hepatitis C. The drug showed promise in early-phase trials, demonstrating a reduction in viral load in patients. However, further development was halted due to concerns about its side effect profile and the emergence of more effective treatments for HCV.

Side Effects[edit]

During clinical trials, valopicitabine was associated with several side effects, including gastrointestinal disturbances such as nausea and diarrhea. Some patients also experienced elevated liver enzymes, which indicated potential liver toxicity. These adverse effects contributed to the decision to discontinue its development.

Related Pages[edit]