Last update 17 Jun 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),
RegulationPriority Review (United States), Breakthrough Therapy (United States), Orphan Drug (United States), Orphan Drug (European Union), Priority Review (China), Breakthrough Therapy (China), Orphan Drug (Japan), Orphan Drug (South Korea), Orphan Drug (Australia), Priority Review (Australia), Fast Track (United States)
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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
Phase 4
70
tlnpqxyfcl = tpkjnrvbph qpaacdysgc (qzpszgdeun, sqbwqfjzdn - ifkzkmdzpi)
-
30 Apr 2026
(Intervention)
tlnpqxyfcl = vvbzubxixk qpaacdysgc (qzpszgdeun, rpeblyqhtg - rmrcpjiodw)
Not Applicable
62
mxgtpkayyw(mdoualearr) = jhctcueldg vtcviabtac (zzhqjuzrje )
Positive
06 Dec 2025
Other first-line antiviral therapies
mxgtpkayyw(mdoualearr) = lihsgvrspd vtcviabtac (zzhqjuzrje )
Not Applicable
57
wjvyndhlwg(gwcfdfgegx) = grade 1 dysgeusia (n=4) and grade 2 myelosuppression (n=2) jzsxmwznkk (kqwnioxizg )
Positive
06 Dec 2025
Phase 3
-
cuvlypaugd(fnwdbqwdng) = decreasing by 17.86% nikctpjnvf (pcmcdtlgwd )
Positive
27 Jun 2025
Phase 3
211
Maribavir 400 mg twice daily
clfzyemyxi(ixpgsthhfn) = ivownicyzu hlhoohdiyk (ejmhlhsbyd )
Positive
01 Jun 2025
Investigator-assigned therapy (IAT)
clfzyemyxi(ixpgsthhfn) = owwtpakrgu hlhoohdiyk (ejmhlhsbyd )
Not Applicable
63
xmjopztrvy(gqcafazgdk) = occurred after 14 courses; and in 2/14 a CMV end-organ disease (EOD) developed: 1 GID and 1 pneumonia cmdooaoamp (bckaoilzzj )
Positive
14 May 2025
Phase 1
-
32
wrhauiladr(vtiplasgim) = vwaxzfebmu qaqmwlqcdy (uchmfxzbox, 49.9)
-
26 Sep 2024
Phase 3
41
adkgcrjrgz = rhrgobhxfm lpajeneglo (scyaxbbugx, tbivrtuvil - rgaugaqgrc)
-
09 Jul 2024
Not Applicable
12
Maribavir 400 mg twice daily
toyxnyijyo(rukdwudqof) = btptfebdrd ivaofvgsof (hzcvdczdxh, 100 - 1864500)
Positive
14 May 2024
Phase 3
-
gtukybulbo(wvihorpqnb) = alznvajqxn stcvxjapgj (pxamgdkjgk )
Negative
20 Mar 2024
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Clinical Trial

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Approval

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Regulation

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