New method improves stability, extends shelf life of protein drugs | News | Notre Dame News | University of Notre Dame Skip To Content Skip To Navigation Skip To Search University of Notre Dame Notre Dame News Experts ND in the News Subscribe About Us Home Contact Search Menu Home › News › New method improves stability, extends shelf life of protein drugs New method improves stability, extends shelf life of protein drugs Published: December 02, 2016 Author: Jessica Sieff Gaining access to important biopharmaceuticals needed to treat illnesses and autoimmune diseases is one of the biggest obstacles developing countries face. Costs can be astronomical where these medications are needed most, and when doctors are able to acquire those medications they face another challenge – time. Drugs are perishable and some require refrigeration, which can be difficult to provide in the world’s poorest regions. Now, a new study appearing in the Proceedings of the National Academy of Sciences reveals a new way to improve the stability of common protein drugs and extend shelf life. Complex structures and poor chemical stability of biopharmaceuticals such as proteins, peptides and antibodies used to treat various illnesses and autoimmune diseases including rheumatoid arthritis, diabetes, multiple sclerosis and lymphoma can, over time, render drugs ineffective – the medicine simply becomes inactive. The study, led by Matthew Webber, assistant professor in the Department of Chemical and Biomolecular Engineering in the College of Engineering at the University of Notre Dame, tested a novel route for non-covalent protein modification of insulin and glucagon, both used in treating diabetes, as well as an antibody drug used in treating leukemia, lymphoma and autoimmune disease. The results demonstrated significant stability for this new additive. “Our molecules interact with protein drugs reversibly, but when they are bound, they provide a protective shell,” said Webber. “This keeps the proteins from aggregating. This shell also protects the proteins from sticking to the wall of their storage vial, a major reason protein drugs become denatured and inactive.” Stability of insulin when formulated with the new additive increased from approximately 14 hours to over 100 days while maintaining complete activity even under stressed conditions. “We are simulating stressed environmental conditions for storage,” Webber said. “So by keeping these drugs at elevated temperatures with agitation, we provide maximal stress to the formulation to understand the stabilizing effects of our additive on protein drugs.” The glucagon samples, which typically lose stability in solution in under an hour, remained soluble for at least 24 hours. The therapeutic antibody also maintained its activity when stressed. “We have reason to believe this additive would be effective in many biopharmaceuticals beyond those evaluated in our research,” Webber said. However, Webber notes that “regulatory approval and financial support would be needed to for mass distribution and use – a process that could take several years or more.” Research was sponsored primarily by the Helmsley Charitable Trust through an award made to Robert Langer and Daniel G. Anderson at the Massachusetts Institute of Technology, who co-authored the study. Additional co-others include Eric A. Appel, Lavanya S. Thapa, Abel B. Cortinas and Siddharth Jhunjhunwala, also at MIT, and Brittany Vinciguerra and Lyle Isaacs at the University of Maryland. Webber conducted his research on the method as a postdoctoral student at the Massachusetts Institute of Technology. His research in drug formulation and delivery continues at the University of Notre Dame and the University’s Warren Family Research Center for Drug Discovery and Development. Contact: Matthew Webber, 574-631-4246, mwebber@nd.edu Posted In: Research Home Experts ND in the News Subscribe About Us Related October 05, 2022 Astrophysicists find evidence for the presence of the first stars October 04, 2022 NIH awards $4 million grant to psychologists researching suicide prevention September 29, 2022 Notre Dame, Ukrainian Catholic University launch three new research grants September 27, 2022 Notre Dame, Trinity College Dublin engineers join to advance novel treatment for cystic fibrosis September 22, 2022 Climate-prepared countries are losing ground, latest ND-GAIN index shows For the Media Contact Office of Public Affairs and Communications Notre Dame News 500 Grace Hall Notre Dame, IN 46556 USA Facebook Twitter Instagram YouTube Pinterest © 2022 University of Notre Dame Search Mobile App News Events Visit Accessibility Facebook Twitter Instagram YouTube LinkedIn