U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

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Showing 31 - 40 of 44 results

Status:
Other

Class (Stereo):
CHEMICAL (ABSOLUTE)

Conditions:

There is no information in the scientific papers related to the biological and pharmacological properties of the diastereomer of lopinavir, LOPINAVIR, (2R,4R)-diastereomer.
Paritaprevir is a potent inhibitor of the NS3/4A protease that rapidly and consistently suppresses HCV. Paritaprevir is metabolized by the Cytochrome P450 isoform 3A (CYP3A); therefore, ritonavir was used concurrently to increase plasma concentrations and to prolong the half-life of this agent allowing for once-daily dosing. Several antiviral regimens combining paritaprevir with other agents have shown impressive results, tolerable side effects, and importantly, provided support of ‘all-oral’ interferon-free regimens against HCV. Paritaprevir monotherapy is discontinued now but paritaprevir is used as a component of Viekira Pak and Technivie for the treatment of patients with genotype 1 chronic hepatitis C virus (HCV) infection.
Status:
US Previously Marketed
First approved in 2011

Class (Stereo):
CHEMICAL (ABSOLUTE)



Telaprevir (marketed under the brand names Incivek and Incivo) is a direct-acting antiviralagent against the hepatitis C virus (HCV). It is a hepatitis C virus NS3/4A protease inhibitor indicated for the treatment of genotype 1 chronic hepatitis C (CHC) in adult patients with compensated liver disease, including cirrhosis, who are treatment-naïve or who have been previously treated with interferon-based treatment, including prior null responders, partial responders, and relapsers in combination with peginterferon alfa and ribavirin. Telaprevir is not used as a monotherapy. It is necessary for the proteolytic cleavage of the HCV encoded polyprotein into mature forms of the NS4A, NS4B, NS5A and NS5B proteins and essential for viral replication. It belongs to the chemical class of alpha-ketoamids and binds to NS3/4A in a covalent but reversible manner.
Status:
Possibly Marketed Outside US
Source:
NCT00160849: Phase 4 Interventional Completed HIV Infections
(2004)
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)


Conditions:

Lopinavir D-Valine Diastereomer, a selective HIV protease inhibitor, possesses similar properties with lopinavir.

Showing 31 - 40 of 44 results