Principia Biopharma to Hold Virtual Analyst Event to Discuss BTK Inhibition: Beyond B Cells and AntibodiesEvent scheduled for 4:00 pm ET on Tuesday, June 16th

SOUTH SAN FRANCISCO, Calif., June 03, 2020 (GLOBE NEWSWIRE) -- Principia Biopharma Inc. (Nasdaq: PRNB), a late-stage biopharmaceutical company focused on developing treatments for immune-mediated diseases, today announced that it will host a virtual analyst event to discuss Principia’s unique precision bonding technology platform, BTK’s broad role in immune-mediated disease, and clinical observations of BTK inhibition and innate immunity, including a review of recent data presented at the American Academy of Dermatology and the European Hematology Association. The event will feature presentations by Principia’s management team.

Event and Webcast Information
Date and Time: Tuesday, June 16th 4:00 pm – 6:00 pm EDT
Domestic (Toll Free- US): 877.490.8618, International (Toll): 270.833.1408
Conference ID: 2548079
Webcast Link:

The presentation will be available via live webcast from the “Events and Presentations” page of the “Investors” section of the company’s website at The webcast replay will be available after the conclusion of the presentation.

About Principia Biopharma
Principia is a late-stage biopharmaceutical company dedicated to bringing transformative therapies to patients with significant unmet medical needs in immune-mediated diseases. Through Principia’s proprietary Tailored Covalency® platform, our strategy is to build and advance a pipeline of best-in-class drug candidates with significant therapeutic benefits, limit unintended side effects, improve quality of life and over time modify the course of disease. This highly reproducible approach enables the company to pursue multiple programs efficiently, having discovered three drug candidates. Rilzabrutinib, a reversible covalent BTK inhibitor, is being evaluated in a global Phase 3 clinical trial in patients with pemphigus, a Phase 1/2 clinical trial in patients with immune thrombocytopenia (ITP), and the company plans to initiate a Phase 2 clinical trial in patients with IgG4-Related Diseases. PRN2246/SAR442168 is a covalent BTK inhibitor which crosses the blood-brain barrier and is partnered with Sanofi.  Sanofi has announced that PRN2246/SAR442168 will be evaluated in four Phase 3 clinical trials in patients with relapsing and progressive forms of multiple sclerosis. PRN473 Topical, a topical reversible covalent BTK inhibitor designed for immune mediated diseases that could benefit from localized application to the skin, is being evaluated in a Phase 1 trial. For more information, please visit

Forward-Looking Statements
This press release contains forward-looking statements. These forward-looking statements reflect the current beliefs and expectations of management made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, including, but not limited to, Principia’s expectations regarding the Principia pipeline of product candidates, and the initiation, timing, scope and success of additional clinical trials and results. Such forward-looking statements involve known and unknown risks, uncertainties, and other important factors that may cause Principia’s actual results, performance, or achievements to be materially different from those expressed or implied by the forward-looking statements. For a description of the risks and uncertainties that could cause actual results to differ from those expressed in these forward-looking statements, as well as risks relating to Principia’s business in general, see the risk factors set forth in Principia’s reports filed with the Securities and Exchange Commission. Any forward-looking statements contained in this press release speak only as of the date hereof, and Principia specifically disclaims any obligation to update any forward-looking statement, whether as a result of new information, future events or otherwise.

Investor Contact 
Christopher Chai, CFO

Media Contact
Paul Laland

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