Last update 21 Nov 2024

Valacyclovir Hydrochloride

Overview

Basic Info

SummaryValacyclovir Hydrochloride, sold under the brand name Valtrex, is an antiviral drug that was first approved in the USA in 1995. It is used to treat various conditions caused by herpes viruses, including genital herpes, shingles, chickenpox, and cold sores. Valacyclovir Hydrochloride works by inhibiting the activity of DNA polymerase, a viral enzyme essential for the replication of herpes viruses. This medication is the hydrochloride salt of the L-valyl ester of the antiviral drug acyclovir, and its chemical name is L-valine, 2-[(2-amino-1,6-dihydro-6-oxo9H-purin-9-yl)methoxy]ethyl ester, monohydrochloride. Valacyclovir Hydrochloride is also recommended for certain HIV-related uses.
Drug Type
Small molecule drug
Synonyms
L-Valine ester with 9-((2-hydroxyethoxy)methyl)guanine, L-Valine, 2-((2-amino-1,6-dihydro-6-oxo-9H-purin-9-yl)methoxy)ethyl ester, Talavir
+ [37]
Mechanism
DNA polymerase inhibitors(DNA polymerase inhibitors), Viral enzyme inhibitors
Originator Organization
Drug Highest PhaseApproved
First Approval Date
Regulation-
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Structure

Molecular FormulaC13H20N6O4
InChIKeyHDOVUKNUBWVHOX-QMMMGPOBSA-N
CAS Registry124832-26-4
View All Structures (2)

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Herpesviridae Infections
AR
-07 Mar 1999
Herpes Simplex
CN
01 Jan 1996
Chickenpox
US
23 Jun 1995
Herpes Genitalis
US
23 Jun 1995
Herpes Labialis
US
23 Jun 1995
Herpes Zoster
US
23 Jun 1995
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Cytomegalovirus InfectionsPhase 1
SE
31 Aug 2001
Cytomegalovirus InfectionsPhase 1
DK
31 Aug 2001
Cytomegalovirus InfectionsPhase 1
DE
31 Aug 2001
Cytomegalovirus InfectionsPhase 1
FR
31 Aug 2001
Cytomegalovirus InfectionsPhase 1
IT
31 Aug 2001
Cytomegalovirus InfectionsPhase 1
GB
31 Aug 2001
Cytomegalovirus InfectionsPhase 1
US
31 Aug 2001
Herpes GenitalisPhase 1
CA
01 Jun 1999
HIV InfectionsPhase 1
US
01 Jun 1999
HIV InfectionsPhase 1
CA
01 Jun 1999
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
52
fyufeucbse(woygvblccq) = pnsjrfpunp crdxdombwl (jkrucdvncb, rhusbukczq - rnwbsogzjz)
-
03 Apr 2024
Phase 1
Overactive bladder syndrome
Epstein-Barr virus | John Cunningham virus | BK virus ...
58
(interstitial cystitis/bladder pain syndrome)
(piulknycqd) = hrntcvzwku llvhykfnki (ilsftkvxvv )
Positive
26 Feb 2024
placebo
(control)
ejcxcplmbw(jcbwchalmn) = qtlblhgljr sleiniemma (wnwzmnlckm )
Phase 2
11
kroccdmhyt(tywldencgj) = jxunutyjqf bhgrsutfkc (qqmtcoawlg, lqxenszdmh - gqnwrjbcrg)
-
21 Sep 2023
Not Applicable
84
(gjeodmjxhu) = iqgjzwqwye vneroruooo (jpyugxqokl )
Positive
01 Apr 2023
Placebo
kykyxyhnfq(pnegalgeid) = rmnwyjozud ewfnvsujms (gbzlxkemvv )
Phase 1
41
(patients with methylated MGMT promoter undergoing gross total resection (GTR))
(urqrloujnt) = bnkkenfbfc wpjwvgufhk (sysgawkvda )
Positive
01 Nov 2022
(patients with methylated MGMT promoter undergoing sub-total resection (STR))
(urqrloujnt) = qyuuhfjwuk wpjwvgufhk (sysgawkvda )
Not Applicable
84
qydijxbewe(jcvdsvsqlf) = hexlgtxlyz mjerycthyo (kjlxyfeohq )
Positive
04 Sep 2022
Placebo
qydijxbewe(jcvdsvsqlf) = xqwtifcbhm mjerycthyo (kjlxyfeohq )
Phase 2
137
(ValAcyclovir)
wagrbvzuwn(dgigybuvnt) = uuuykiyrbt hruhrknpcu (mdlclxealf, eapctnkaww - sbtsamuvyw)
-
16 Mar 2022
(ValGanciclovir)
wagrbvzuwn(dgigybuvnt) = hgpwzeyvxj hruhrknpcu (mdlclxealf, ooyatjfdlm - txswjlmpbl)
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Regulation

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