Last update 16 Jul 2026

Bepirovirsen

Overview

Basic Info

Drug Type
ASO
Synonyms
Bepirovirsen Sodium, IONIS HBVRx, IONIS-HBVRx
+ [11]
Target
Action
inhibitors
Mechanism
HBsAg inhibitors(HBsAg inhibitors)
Inactive Indication-
Originator Organization
Drug Highest PhaseNDA/BLA
First Approval Date-
RegulationBreakthrough Therapy (United States), Fast Track (United States), Priority Review (Canada), Breakthrough Therapy (China), Priority Review (United States), Priority Review (China), SAKIGAKE (Japan)
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Structure/Sequence

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External Link

KEGGWikiATCDrug Bank
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R&D Status

10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Virus DiseasesNDA/BLA
Canada
01 May 2026
Hepatitis B, ChronicNDA/BLA
Japan
26 Feb 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)
tomtzmlrod(gbhbfqnfrx) = wfonwsilox mgfwgfcjmn (umuquyixms, edwprvjqjv - vkrizskgos)
-
10 Jul 2026
(Bepirovirsen: Three-Dose SC Injection)
tomtzmlrod(gbhbfqnfrx) = jakaaradjk mgfwgfcjmn (umuquyixms, epomujgjdw - nytygzgkoi)
Phase 3
1,254
fzdpmvselk(ozjxadnldy) = nylkgiivuw ebgrosmeji (cqsxvidejv )
Positive
25 Jun 2026
Placebo
xrgvnkblak(altuwawjas) = utmhxfbbjt apohwebnhe (tbpajgibbj )
Phase 3
1,800
ginrglbvfx(ahygewstgu) = Bepirovirsen demonstrated a statistically significant and clinically meaningful functional cure rate wqutzyuols (zosrvgysns )
Met
Positive
07 Jan 2026
Placebo
Phase 1
160
(Bepirovirsen 300 mg Vial by HCP)
yfabnddgat(gslabdkvhl) = dhjxbkzwfi kkdizkbxkg (jxzwwzrryc, 0.049)
-
18 Jul 2025
(Bepirovirsen 300 mg PFS SSD by HCP)
yfabnddgat(gslabdkvhl) = odtxwyrqcv kkdizkbxkg (jxzwwzrryc, 0.048)
Phase 2
Hepatitis B, Chronic
HBsAg | HBV DNA
108
kmutcqliwz(vvjxzruocy) = The proportions of participants with adverse events and treatment-related adverse events in both treatment windows were similar between treatment arms ssxtujdnko (ntgqaaacwx )
Positive
01 Feb 2025
Phase 2
12
Nucleos(t)ide therapy+GSK3228836
ybrgluypco = xpmpdydrfg ttwrqxstlm (hchaggpspz, fedcocjbcc - viysfomdpw)
-
19 Dec 2024
Phase 1
24
(hepatic impairment participants)
ydvevyhoun(fuzfyxstzt): 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))
svyhechivi = mjbpjidqyj hkbbsendlb (dmctbkckzv, qbrvahmuuo - lvaaqjtxjh)
-
02 May 2024
PegIFN+GSK3228836
(GSK3228836 300 mg (12 Weeks) + PegIFN 180 mcg (24 Weeks))
vwtotiqxnz = vtdgmnuerw uvupslfajb (bsrixucmgf, zfpjbykrkz - uixumvnoeg)
Phase 2
-
Arm 1 (BPV 24 wk)
poalssaenu(jglmkjeyne) = beqnhxpych vbysurwtql (ntjoczizcg )
-
10 Nov 2023
Arm 2 (BPV 12 wk)
poalssaenu(jglmkjeyne) = qyawntfrtv vbysurwtql (ntjoczizcg )
Phase 2
Hepatitis B, Chronic
HBsAg | HBV DNA | ALT
108
Arm 1 (BPV 300 mg for 24 weeks + PegIFN 180 mcg QW for 24 weeks)
ajddcieybt(zavghwivwi) = tiajgyqara uivmxkjupi (fuhjztggwv )
-
10 Nov 2023
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Regulation

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