Latest News
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CELYSTRA Pharma at the 25th Annual Market Access Summit in Toronto
Paul Lévesque, President, CEO and Co-Founder of CELYSTRA Pharma, spoke at the 25th Annual Market Access Summit. He discussed launch strategy in Canada amid long approval timelines and global uncertainty.
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Health Canada Approves DAWNZERA® (donidalorsen) for the Prevention of Hereditary Angioedema Attacks
Approval marks CELYSTRA Pharma’s second product approved by Health Canada in nine months and brings a new treatment option for Canadians living with hereditary angioedema.
Health Canada-approved
In rare and specialty diseases, unmet need isn’t just a gap in treatment — it’s families waiting, patients hoping, and time we cannot afford to lose. We built this company to ensure that innovative science doesn’t sit on a shelf, but reaches the people whose lives depend on it.
— Paul Lévesque, President, Chief Executive Officer & Co-founder

Our Focus
Bringing much needed innovative treatments to Canadian patients.
Leadership Team
Decades of Expertise. One Shared Mission.
CELYSTRA was founded by Paul Lévesque, John Leasure and Philippe Dubuc, three executives with extensive pharmaceutical industry experience, particularly in drug development, commercialization and financing.

Partnerships
Accelerating access to patients.
We bring the know-how to effectively navigate partnered medicines through regulatory approval and Canada’s complex market access environment with a focus on commercial availability.



