Amazon Biotech, Inc. (OTCBB: AMZB) (FRANKFURT: B2D.F) today announced that it has signed an Interim Letter of Agreement with the Immunology Clinic of New York, New York to conduct a Phase I/II, randomized, double blind, placebo controlled study to test the safety and efficacy of its Botanical Drug Product AMZ0026 in pre-symptomatic HIV-positive patients undergoing no other anti-retroviral therapies.