The Pivotal Trial Results on Ampion™ (AP-003-C) Was Accepted for Publication in a Peer-Reviewed Medical Journal

ENGLEWOOD, Colo., May 2, 2018

This 12-week randomized, double-blind, controlled clinical trial was conducted at thirteen sites across the United States to evaluate the safety and efficacy of Ampion™ for the signs and symptoms of severe osteoarthritis (Kellgren-Lawrence grade 4 disease). In total, 168 patients were randomized; 144 subjects treated with Ampion™ were analyzed. Overall, 71% (95% CI: 63.4%–78.3%) of subjects treated with Ampion™ met the OMERACT-OARSI responder criteria, exceeding the 30% threshold (p< 0.001). There were also significantly more responders at week 12 in the Ampion™ arm than historical saline control (65% vs. 43%, p< 0.001). There was no drug-related serious AEs reported and no deaths or withdrawals due to adverse events. This trial demonstrates that Ampion™ provides relief for the signs and symptoms of severe osteoarthritis, and may be an alternative therapeutic treatment option for patients with severe osteoarthritis of the knee. Clinicaltrials.gov: NCT03182686.

A link to the full manuscript will be made available when it is published online.

Regulatory Exclusivity and IP protection:
The Company believes that Ampion™, a low molecular weight fraction of human serum albumin with anti-inflammatory properties, will be identified as a "reference product" upon FDA approval of their BLA.  Reference products are granted twelve years of exclusivity under the PHS Act, 42 U.S.C. § 262(k)(7). Specifically, the FDA is not permitted to approve an application for a biosimilar or interchangeable product until 12 years after the date of the first licensure of the reference product. The existing Ampion™ portfolio has patent coverage in all major jurisdictions throughout the world (U.S., Europe, Australia, Brazil, Canada, China, Eurasia, Hong Kong, India, Indonesia, Israel, Japan, Korea, Mexico, Malaysia, New Zealand, Philippines, Singapore, South Africa) for pharmaceutical compositions and methods of treating a range of conditions. The portfolio includes 125 issued patents and 85 pending applications throughout seven primary patent families having expiration dates that extend to 2035.

About Osteoarthritis
Osteoarthritis (OA) is an incurable and progressive disorder of the joints involving degradation of the intra-articular cartilage, joint lining, ligaments, and bone. The incidence of developing osteoarthritis of the knee over a lifetime is approximately 45%. As this disease is associated with age, obesity, and diabetes this number will continue to grow. Certain risk factors in conjunction with natural wear and tear lead to the breakdown of cartilage. Osteoarthritis is caused by inflammation of the soft tissue and bony structures of the joint, which worsens over time and leads to progressive thinning of articular cartilage. Other symptoms include narrowing of the joint space, synovial membrane thickening, osteophyte formation and increased density of subchondral bone.

About Ampio Pharmaceuticals
Ampio Pharmaceuticals, Inc. is a development stage biopharmaceutical company primarily focused on the development of therapies to treat prevalent inflammatory conditions for which there are limited treatment options. We are developing compounds that decrease inflammation by (i) inhibiting specific pro-inflammatory compounds by affecting specific pathways at the protein expression and at the transcription level; (ii) activating specific phosphatase or depletion of the available phosphate needed for the inflammation process; and (iii) decreasing vascular permeability.