Petition updateProtect Vulnerable Canadians: Access to COVID-19 Monoclonal Antibodies & Long COVID TrialsPetition Update — May 25, 2025 Phase 3 Immune-Bridging Data Published for Pemgarda
Rowan KCanada
May 25, 2025

A key development in our campaign:

Pemgarda (Pemivibart), the monoclonal antibody designed to protect immunocompromised individuals from COVID-19, has completed its Phase 3 immune-bridging trial—now published in Clinical Infectious Diseases.

Read the study: https://doi.org/10.1093/cid/ciaf265

Key findings:

 • The trial demonstrated robust             neutralizing antibody responses

 • Pemgarda was well-tolerated, with a safety profile similar to placebo

 • The data formed the basis for its Emergency Use Authorization by the U.S. FDA

Immune-bridging is a recognized regulatory pathway used during public health emergencies. It allows for faster access when large-scale efficacy trials are impractical—especially for rare or vulnerable populations.

We’ll now be following up with Health Canada to:

 • Request formal guidance on immune-bridging acceptance

 • Advocate for Pemgarda’s authorization based on existing data

 • Reiterate the urgent unmet need among immunocompromised Canadians


Thank you for continuing to push with us. Your voice is making a difference.

Let’s keep the pressure on.

In solidarity,
Rowan

#MAbsForCanadaNOW | #ProtectImmunocompromised |#COVID19IsNotOver

Share the petition:

https://www.change.org/MAbsForCanadaNOW

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