RESUMO
AIDS: Thymosin-Alpha-1 (Zadaxin) is a synthetic hormone that has been studied as a treatment for HIV, hepatitis B, and hepatitis C. Recently approved in Mexico as a booster for the flu vaccine, it was also approved in nine other countries for flu, hepatitis B, and hepatitis C. The demand for Thymosin is great but it is difficult to procure. A partnership between Schering-Plough and SciClone Pharmaceuticals has renewed hope that the demand for Thymosin will be met. Schering-Plough is also marketing Rebetron, a packaged combination of Ribavirin capsules and injectable alpha-interferon (Intron-A), for the treatment of hepatitis C. Other hepatitis treatments are described, such as Epivir-HBV (3TC, Epivir) which was approved in December for the treatment of Hepatitis B. Epivir-HBV has shown promising results.^ieng