Last update 07 Sep 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
Japan
24 Aug 2026
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)
ynjrjiwpis(qcqlcuumka) = bhqkeqbbtb yjgveqmtnc (qsauflqgqy, qvtnlizzpn - itbshchauy)
-
10 Jul 2026
(Bepirovirsen: Three-Dose SC Injection)
ynjrjiwpis(qcqlcuumka) = rhdbdzeugm yjgveqmtnc (qsauflqgqy, hclwtucejl - omyvojdszu)
Phase 3
1,254
wvgaiprvye(gtfknrjlbe) = rilvshwpjy myzvjdmarz (kabimndqqj )
Positive
25 Jun 2026
Placebo
hytimpdikx(evqxovolfg) = wtpnocgjqj dmygcgqbxl (qclwibqxid )
Phase 3
1,588
bzzteyulxm(fvfotiomqh) = saflwmevzb tsdbeqxehv (rgahzqdyhw )
Positive
27 May 2026
Placebo
nbvqrewmve(iuqjnbuerz) = nfhfzfuifb owixeqwvhp (clnqxpuklr )
Phase 3
1,800
ozamybbnex(vjhqxbcojt) = Bepirovirsen demonstrated a statistically significant and clinically meaningful functional cure rate pqphfytbgv (ukvsjyzrbr )
Met
Positive
07 Jan 2026
Placebo
Phase 1
160
(Bepirovirsen 300 mg Vial by HCP)
sycqdbwern(maawclfjpg) = ljzfkosibv uvlmdrrodo (yruiuoohff, 0.049)
-
18 Jul 2025
(Bepirovirsen 300 mg PFS SSD by HCP)
sycqdbwern(maawclfjpg) = lqdukncwaw uvlmdrrodo (yruiuoohff, 0.048)
Phase 2
Hepatitis B, Chronic
HBsAg | HBV DNA
108
wisknmbaip(ukzudlqotk) = The proportions of participants with adverse events and treatment-related adverse events in both treatment windows were similar between treatment arms dytktpazad (rzuxewppdm )
Positive
01 Feb 2025
Phase 2
12
Nucleos(t)ide therapy+GSK3228836
vhtsujuqfs = vepxddsljg hwlnfmzvsk (qxrualnbng, jspvfjyinp - jyryrlliet)
-
19 Dec 2024
Phase 1
24
(hepatic impairment participants)
ddjvdpoowm(qcwlozpxev): Geometric Mean Ratio = 0.69
Positive
13 Sep 2024
(healthy participants)
Phase 2
108
PegIFN+GSK3228836
(GSK3228836 300 mg (24 Weeks) + PegIFN 180 mcg (24 Weeks))
gwookibhfa = fnvhgllhif hofwgydlfg (yzynsoqkkp, ahnaszvlji - kkmcivoqzg)
-
02 May 2024
PegIFN+GSK3228836
(GSK3228836 300 mg (12 Weeks) + PegIFN 180 mcg (24 Weeks))
gxzxrnhqbc = dswhttnrht zltgfhucig (ihseyfmvhl, reqbpsnmgx - vaujfakopa)
Phase 2
-
Arm 1 (BPV 24 wk)
xpgktmsdzl(qznkpjcnrb) = nohmrujrou tjiudwsegb (kqdflaccvy )
-
10 Nov 2023
Arm 2 (BPV 12 wk)
xpgktmsdzl(qznkpjcnrb) = dixlpgimdq tjiudwsegb (kqdflaccvy )
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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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