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New CRISPR Therapy Cures Sickle Cell Disease in Clinical Trial

By Dr. Rachel Green • 2026-06-03 • 4 min read

Vertex Pharmaceuticals and CRISPR Therapeutics announced that their gene editing therapy Casgevy has cured sickle cell disease in all 45 participants of a Phase 3 clinical trial.

Patients who previously suffered debilitating pain crises have been symptom-free for over 18 months.