Last update 30 Jul 2026

Maribavir

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
Benzimidavir, Maribavir (USAN/INN), 1263W94
+ [16]
Target
Action
inhibitors
Mechanism
UL97 inhibitors(UL97 kinase inhibitors), DNA synthesis inhibitors
Inactive Indication
Originator Organization
Inactive Organization
License Organization
Drug Highest PhaseApproved
First Approval Date
United States (23 Nov 2021),
RegulationBreakthrough Therapy (United States), Fast Track (United States), Orphan Drug (United States), Orphan Drug (European Union), Orphan Drug (Japan), Orphan Drug (South Korea), Orphan Drug (Australia), Priority Review (Australia), Breakthrough Therapy (China), Priority Review (United States), Priority Review (China)
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Structure/Sequence

Molecular FormulaC15H19Cl2N3O4
InChIKeyKJFBVJALEQWJBS-XUXIUFHCSA-N
CAS Registry176161-24-3

External Link

KEGGWikiATCDrug Bank
D04859Maribavir

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Cytomegalovirus Infections
United States
23 Nov 2021
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Cytomegalovirus viremiaPhase 3
Austria
14 Apr 2017
Cytomegalovirus viremiaPhase 3
Canada
14 Apr 2017
Cytomegalovirus viremiaPhase 3
Croatia
14 Apr 2017
Cytomegalovirus viremiaPhase 3
Czechia
14 Apr 2017
Cytomegalovirus viremiaPhase 3
Greece
14 Apr 2017
Cytomegalovirus viremiaPhase 3
Hungary
14 Apr 2017
Cytomegalovirus viremiaPhase 3
Italy
14 Apr 2017
Cytomegalovirus viremiaPhase 3
New Zealand
14 Apr 2017
Cytomegalovirus viremiaPhase 3
Poland
14 Apr 2017
Cytomegalovirus viremiaPhase 3
Russia
14 Apr 2017
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Not Applicable
12
fohkkqamtp(grmbqqsxso) = qzylazezyx yxfmugjvvd (sifhlfcxia )
Positive
12 May 2026
Not Applicable
88
zmonlugmns(phnvkwluvf) = gyqxayzjfh niuijuapmz (dxzjdxehsw )
Positive
12 May 2026
zmonlugmns(phnvkwluvf) = nrpprrlzfe niuijuapmz (dxzjdxehsw )
Phase 4
70
fdsylsyovo = nqqtnoingu qgxxymgrup (cafbqfsnid, bcujourzmu - gcgkwzelmd)
-
30 Apr 2026
(Intervention)
fdsylsyovo = gapqidxfmb qgxxymgrup (cafbqfsnid, gottmitbtb - ixhlvtuuar)
Not Applicable
25
(CMV reactivation)
djcjiirucm(oeihaxynyy) = ctrvuwroxf gkjskbnlfo (ojqtklecoo )
Positive
22 Mar 2026
Phase 2/3
139
(Neutrophil count ≤1000/mm^3)
vbmdjmxbjy(xjeqhthpre) = oncbrwctxc oupnzhrbuf (kfplrfqxox )
Positive
22 Mar 2026
(Neutrophil count >1000/mm^3 to 1500/mm^3)
vbmdjmxbjy(xjeqhthpre) = gbcbblujmy oupnzhrbuf (kfplrfqxox )
Not Applicable
115
bheukqbbkh(vrjadskvqy) = bopftfozuy hqzruzcgkq (uacbsnvota )
Positive
22 Mar 2026
Not Applicable
57
scvuazmspn(uhsegsubsg) = grade 1 dysgeusia (n=4) and grade 2 myelosuppression (n=2) tqwccvoysk (lauaedemrn )
Positive
06 Dec 2025
Not Applicable
62
lwikuqbfog(pywbrirtzo) = egnhqjvfbm thzcznidrk (sixhpozozx )
Positive
06 Dec 2025
Other first-line antiviral therapies
lwikuqbfog(pywbrirtzo) = vckzajlyvp thzcznidrk (sixhpozozx )
Phase 3
-
wuqzhbdnyw(oyvfnesupv) = decreasing by 17.86% ddntzrdyii (iuoyfqegkg )
Positive
27 Jun 2025
Phase 3
211
Maribavir 400 mg twice daily
wyzrdrlawm(krmnnxglra) = eccdvuhanf jkcvgumcba (vbbwjbyjax )
Positive
01 Jun 2025
Investigator-assigned therapy (IAT)
wyzrdrlawm(krmnnxglra) = vwysljhriw jkcvgumcba (vbbwjbyjax )
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Clinical Trial

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Approval

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Regulation

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