I think it's indisputable at this point. The amazing thing is not only that it helps people treat the symptoms of the disease, but that it helps people treat the symptoms and the side effects associated with the treatment, so what we see are actually better treatment outcomes.
The same is true for people with hepatitis C. They tend to have better treatment adherence. In other words, it allows them to go through the treatment more successfully and stay on treatment, therefore saving lives and public health costs in the interim.