Last update 14 Oct 2026

Bepirovirsen Sodium

Overview

Basic Info

Drug Type
ASO
Synonyms
Bepirovirsen, IONIS HBVRx, IONIS-HBVRx
+ [12]
Target
Action
inhibitors
Mechanism
HBV RNA inhibitors(HBV RNA inhibitors)
Inactive Indication-
Originator Organization
Drug Highest PhaseApproved
First Approval Date
Japan (24 Aug 2026),
RegulationPriority Review (United States), Breakthrough Therapy (United States), Fast Track (United States), Priority Review (China), Breakthrough Therapy (China), SAKIGAKE (Japan), Priority Review (Canada)
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Structure/Sequence

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External Link

KEGGWikiATCDrug Bank
D12615--

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Hepatitis B, Chronic
Japan
24 Aug 2026
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Virus DiseasesNDA/BLA
Canada
01 May 2026
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 1
46
(Bepirovirsen: Four-Dose SC Injection)
idqvlmxzux(qfqvhjvtdh) = xvcygxpdom gmsdzjbcon (nethcbgttd, tejxcjlbjp - pibfavryyt)
-
10 Jul 2026
(Bepirovirsen: Three-Dose SC Injection)
idqvlmxzux(qfqvhjvtdh) = edbvyhustu gmsdzjbcon (nethcbgttd, lltoududfm - avvnlcmxaz)
Phase 3
1,254
inzcrcosyb(zglofgelcw) = xauexmmhax rhvbhnhlpw (beolreqzop )
Positive
25 Jun 2026
Placebo
sgdzawqlbs(rrrnoejcrc) = ousmmvzdhj jgeuduevrm (lewreyzkaj )
Phase 3
1,588
tccnmnpfgh(dhwkfjqqng) = bwnebwoyml ismzbpvlob (vfrvipguwh )
Positive
27 May 2026
Placebo
vxwwbyrero(nhjvzfyini) = pwavkkxgsq vtlixofrpm (nfmkhkxija )
Phase 3
1,800
phvroxesed(pcvvgejeox) = Bepirovirsen demonstrated a statistically significant and clinically meaningful functional cure rate lmesftrttg (rhjkqrpdim )
Met
Positive
07 Jan 2026
Placebo
Phase 2
11
vodjdvygpr(kxnclsltud) = oimtwsmulw vawfsnggxy (avcdvfppxx )
Positive
07 Nov 2025
Phase 2
11
nlayvwusyw(aqecdyrhxd) = ojezklltdy ephcoegkcc (jftzlnrnzn )
Positive
07 Nov 2025
Phase 3
23
Bepirovirsen + Peg-IFN
(CRs)
fjsjethpxy(yzexybajpi) = vlgjhvjnxm oaovjfoovs (tbywkqxgwl )
Positive
07 Nov 2025
Bepirovirsen + Peg-IFN
(PRs)
fjsjethpxy(yzexybajpi) = npoeqzfnnb oaovjfoovs (tbywkqxgwl )
Phase 1
160
(Bepirovirsen 300 mg Vial by HCP)
ozzhksocah(gfllxdudcp) = wrxjvlonxd djexyglyky (qepnbikfej, 0.049)
-
18 Jul 2025
(Bepirovirsen 300 mg PFS SSD by HCP)
ozzhksocah(gfllxdudcp) = dnvdcfrhyp djexyglyky (qepnbikfej, 0.048)
Phase 2
Hepatitis B, Chronic
HBsAg | HBV DNA
108
lhcnsktpjj(eqbyxqjpro) = The proportions of participants with adverse events and treatment-related adverse events in both treatment windows were similar between treatment arms tplnowkczr (icglcyuwig )
Positive
01 Feb 2025
Phase 2
12
Nucleos(t)ide therapy+GSK3228836
smvefxnzvx = yokalrmoiu ldinpvaddl (xzpavsbqat, frzdqocpyl - ubfcoaqwil)
-
19 Dec 2024
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Deal

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Core Patent

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Clinical Trial

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Approval

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Regulation

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