With Positive Data From Ionis, Angelman Syndrome Race Intensifies

Ionis plans to initiate a Phase III trial for ION582 in the first half of 2025, positioning it just behind Ultragenyx in the race to bring a treatment to market for the rare neurologic condition.

Progress is being made in the treatment of Angelman syndrome • Source: Shutterstock

Ionis Pharmaceuticals, Inc. is looking to initiate a Phase III trial for ION582 as quickly as possible based on positive data announced on 22 July from the Phase I/II open-label HALOS study in people with the rare neurological condition Angelman syndrome (AS).

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