Question · Q2 2025
Avraham Novick of Morgan Stanley inquired about the enrollment progress for the ECLIPSE hepatitis delta virus (HDV) programs, particularly ECLIPSE-1, and asked about Vir's strategy for identifying the prevalent patient population.
Answer
EVP & Chief Medical Officer Dr. Mark Eisner reported that all three ECLIPSE studies are actively enrolling, with ECLIPSE-1 enrollment proceeding well and on track for completion by year-end. He noted it was premature to provide specifics on ECLIPSE-2 and -3. Regarding the patient population, Dr. Eisner explained that the current U.S. estimate of 61,000 viremic patients is likely an underestimate due to the lack of routine reflex testing for HDV, which is expected to increase once an effective therapy is launched.
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