Skip to main content


Leadiant Biosciences’ employees work with rare dedication to provide therapies for patients with rare diseases. We partner with patient communities, physicians, and researchers worldwide to overcome challenges and be a resource of hope.


Leadiant Biosciences, Inc., is a U.S. research-based pharmaceutical company that dedicates considerable scientific and financial resources to the research, development, and distribution of novel and effective therapies to address the needs of people living with rare diseases.

Based in Rockville, Maryland, we see value in medicines that others may miss. We take pride in bringing novel therapies to market that transform the lives of those affected by rare diseases.

Recognizing that patient needs extend far beyond the medicine, we support patients and their families throughout their journeys by providing education and resources. Our commitment to medication access begins with our experienced and passionate team that knows how to deliver treatments to patients who need them. As a private company, our primary focus is on the patients we serve, and we continually reinvest in research to develop novel therapies that offer real clinical value.

Leadiant Biosciences, Inc., is owned by Essetifin S.p.A., a Rome-based holding company with subsidiaries in the U.S. (Leadiant Biosciences, Inc.) and Europe (Leadiant Biosciences, Ltd, Leadiant Biosciences SASU and Leadiant GmbH). Region or country-specific product information is provided in respective Leadiant websites.