Dupixent Cancer Lawsuit FAQ
What are these lawsuits about? +
The lawsuits allege Dupixent may increase cancer risk in some patients and that warnings were inadequate regarding long-term malignancy concerns.
Who are the defendants? +
Sanofi and Regeneron Pharmaceuticals are commonly named in Dupixent cancer filings.
Who may have a claim? +
Patients who used Dupixent and were diagnosed with cancer, including lymphoma, skin cancer, breast cancer, lung cancer, or other malignancies, may qualify for review.
What if I stopped Dupixent before diagnosis? +
You may still qualify. Legal teams evaluate timing, exposure duration, diagnosis details, and medical history.
Is there already an MDL? +
As of March 2026, litigation is in a pre-MDL stage, with filings developing across jurisdictions.