From:  Pharmacotherapy of hepatitis D: the current and the future

 Summary of current and potential future pharmacotherapies for HDV infection

DrugClassRouteStatusDoseDuration
PEG-IFNα [15–21]ImmunomodulatorSubcutaneousOff-label#PEG-IFNα-2a: 180 µg/week
PEG-IFNα-2b: 1.5 µg/kg/week
48 weeks
PEG-IFNλ [22–25]ImmunomodulatorSubcutaneousPhase III120 or 180 μg/weekly‡48 weeks
Bulevirtide [30–40]NTCP receptor blockerSubcutaneousApproved°°2 mg daily**Unclear
Lonafarnib [43–46]Prenylation inhibitorOralPhase III50 mg to 200 mg, twice daily‡Unclear
REP 2139 [43, 47–50]Nucleic acid polymersIntravenousPhase III500 mg weekly‡Unclear
ALN-HDV [51]Viral RNA silencersSubcutaneousPhase IITrials ongoing
GI-18000 [52]Immune response stimulatorsSubcutaneousPhase IITrials ongoing

‡ Limited data from trials; °° approved by European Medicines Agency, not US-FDA approved; ** recommended by European Medicines Agency, higher doses of 5 mg and 10 mg have been evaluated in trials; # recommended off-label in the treatment of HDV, not formally approved. HDV: hepatitis D virus; IFN: interferon; NTCP: Sodium Taurocholate Co-transporting Polypeptide; PEG-IFNα: pegylated-IFNα