Karolinska Development’s portfolio company SVF Vaccines presents new preclinical data demonstrating extended effect of SVF-001 in chronic hepatitis B and D

STOCKHOLM, Sweden, December 11, 2025. Karolinska Development AB (Nasdaq Stockholm: KDEV) announces that its portfolio company SVF Vaccines has presented new preclinical data on its immunotherapy SVF-001, targeting hepatitis B and D, as a late-breaking abstract at the HepDart scientific meeting held December 7-11 in Honolulu, Hawaii. The results are follow-up data from a previously reported study, showing extended antiviral effect in preclinical models.