Prolor Biotech Inc (Prolor) is a development-stage biopharmaceutical company, utilizing technology to develop longer-acting, versions of therapeutic proteins. The Company is using the carboxyl terminal peptide (CTP) technology to develop new versions of certain therapeutic proteins that have longer life spans than therapeutic proteins without CTP. Human Growth Hormone is used for the long-term treatment of children and adults with growth failure due to inadequate secretion of endogenous growth hormone. Factor IX is offered to Hemophilia B patients by Pfizer, under the brand name BeneFIX. As of December 31, 2012, the Company�s product development program is focused on extending the life span of Human Growth Hormone (hGH), Factor IX, Anti-Obesity Peptide Oxyntomodulin, Factor VIIa, Interferon B and Erythropoietin (EPO) and Atherosclerosis and rheumatoid arthritis long-acting therapies.