Rare DiseaseAstraZeneca

AstraZeneca and Ionis Report Positive Phase 3 Results for Eplontersen in hATTR Amyloidosis

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Biotechnology Media Insights

Editorial Team · June 25, 2025

AstraZeneca and Ionis announce positive Phase 3 NEURO-TTRansform trial results showing eplontersen significantly reduces TTR protein and improves neurological outcomes.

Pharmaceutical research laboratory with drug development equipment

AstraZeneca and Ionis Pharmaceuticals today announced positive results from the Phase 3 NEURO-TTRansform trial evaluating eplontersen in patients with hereditary transthyretin-mediated amyloid polyneuropathy (hATTR-PN). The trial demonstrated significant reductions in serum TTR protein levels and improvements in neurological impairment scores.

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