Products Zanamivir is commercially available as a dischaler for powder inhalation (Relenza). It has been approved in many countries since 1999. Zanamivir is far less well known than oseltamivir (Tamiflu), probably mainly because of its more complicated administration. Structure and properties Zanamivir (C12H20N4O7, Mr = 332.3 g/mol) exists as a white powder. It has a … Zanamivir
Products Entecavir is commercially available as film-coated tablets and as an oral solution (Baraclude). It has been approved in many countries since 2006. Generic versions have been available since 2017. Structure and properties Entecavir (C12H15N5O3, Mr = 277.3 g/mol) is a 2′-deoxyguanosine nucleoside analog. It exists as a white powder that is sparingly soluble in … Entecavir
Effects Fusion inhibitors have antiviral properties against viruses. They inhibit fusion with the host cell and prevent virus entry. Indications For the treatment of viral infectious diseases. Active ingredients Enfuvirtide (Fuzeon) Umifenovir (Arbidol)
Products Neuraminidase inhibitors are commercially available in the form of capsules, powder for oral suspension, powder inhalers, and injectables. The first agents to be approved were zanamivir (Relenza) in 1999, followed by oseltamivir (Tamiflu). Laninamivir (Inavir) was released in Japan in 2010 and Peramivir (Rapivab) in the USA in 2014. The public is most familiar … Neuraminidase Inhibitor
Products Valaciclovir is commercially available in the form of film-coated tablets (Valtrex, generic). It has been approved in many countries since 1995. Structure and properties Valaciclovir (C13H20N6O4, Mr = 324.3 g/mol) is the ester of the natural amino acid valine and the antiviral drug aciclovir. It is present in drugs as valaciclovir hydrochloride, a white … Valaciclovir
Products Valganciclovir is commercially available in the form of film-coated tablets (Valcyte). It has been approved in many countries since 2001. Generic versions were registered in 2014. Structure and properties Valganciclovir (C14H22N6O5, Mr = 354.4 g/mol) is an L-valine ester prodrug of ganciclovir and is present in the drug product as valganciclovir hydrochloride, a white … Valganciclovir
Products Elbasvir was approved in many countries in 2016 as a fixed-dose combination with the protease inhibitor grazoprevir in film-coated tablet form (Zepatier). Structure and properties Elbasvir (C49H55N9O7, Mr = 882.0 g/mol) Effects Elbasvir (ATC J05AX68) has antiviral properties. The effects are due to binding to the viral protein NS5A (Non-Structural Protein 5A). Unlike other … Elbasvir
Products Ombitasvir was approved in the EU and many countries in 2014 in film-coated tablet form (Viekirax, combination drug). Structure and properties Ombitasvir (C50H67N7O8, Mr = 894.1 g/mol) Effects Ombitasvir (ATC J05AX66) has antiviral properties against HCV virus. The effects are due to binding to the viral protein NS5A (Non-Structural Protein 5A). Unlike other HCV … Ombitasvir
Products Favipiravir is approved in Japan in the form of film-coated tablets (Avigan). Structure and properties Favipiravir (C5H4FN3O2, Mr = 157.1 g/mol) is a fluorinated pyrazine carboxamide derivative. It is a prodrug that is biotransformed in cells to the active metabolite favipiravir-RTP (favipiravir-ribofuranosyl-5′-triphosphate), a purine nucleotide analog. Favipiravir exists as a white to slightly yellow … Favipiravir
Products Penciclovir is commercially available as a cream and tinted cream (Fenivir). It has been approved in many countries since 1997. Famvir cream is out of commerce. Structure and properties Penciclovir (C10H15N5O3, Mr = 253.3 g/mol) is a mimetic of the DNA building block 2′-deoxyguanosine and is structurally related to aciclovir. It exists as a … Penciclovir
Products Oseltamivir is commercially available as capsules and as a powder for oral suspension (Tamiflu). It has been approved in many countries since 1999. Generics were first registered in the EU in 2014 (ebilfumin) and in many countries in 2018. Structure and properties Oseltamivir (C16H28N2O4, Mr = 312.4 g/mol) is present in drugs as oseltamivir … Oseltamivir
Products Brivudine is commercially available in tablet form (Brivex). It has been approved in many countries since 2003. It was originally developed in the German Democratic Republic. Structure and properties Brivudine (C11H13BrN2O5, Mr = 333.1 g/mol) is a nucleoside analog related to thymidine. Effects Brivudine (ATC J05AB) has antiviral properties against herpes viruses. It inhibits … Brivudine
