RegeneRx Biopharmaceuticals, Inc. (OTCQB: RGRX), a clinical-stage drug development company focused on tissue protection, repair and regeneration, today announced that its year end letter to shareholders. The letter is focused on updating shareholders on the Company's product development and commercial partnerships, clinical trials, fund-raising, and other operational plans over the next twelve months. To view the letter, please go to www.regenerx.com.