CARLSBAD, Calif. — Ionis Pharmaceuticals, Inc. today announced that it has entered into a license agreement with Otsuka Pharmaceutical Co., Ltd. under which Otsuka obtains exclusive rights in Europe to commercialize donidalorsen, an investigational prophylactic treatment for hereditary angioedema (HAE). Ionis will maintain responsibility for the non-clinical and clinical development...
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CARLSBAD, Calif. — Ionis Pharmaceuticals, Inc. (Nasdaq: IONS) today announced positive topline data from the HALOS Phase 1/2a open-label study of ION582 in Angelman syndrome. ION582 was safe and well tolerated in the study and showed encouraging and consistent benefits in individuals living with Angelman syndrome, with the most robust improvements observed...
CARLSBAD, Calif. — Ionis Pharmaceuticals, Inc. (Nasdaq: IONS) today announced positive topline results from the pivotal study of zilganersen in children and adults living with Alexander disease (AxD), a rare, progressive and often fatal neurological condition with no approved disease-modifying treatments. Zilganersen 50 mg demonstrated statistically significant and clinically meaningful stabilization...
CARLSBAD, Calif. – Ionis Pharmaceuticals (NASDAQ: IONS) today announced that the company has launched a new grant program that provides funding to U.S.-based researchers whose work advances the understanding of transthyretin amyloidosis (ATTR), facilitates early diagnosis and enhances disease management of patients living with ATTR amyloidosis. The Janice Wiesman Young...
CARLSBAD, Calif. – Ionis Pharmaceuticals, Inc. (NASDAQ: IONS), the leader in RNA-targeted therapies, announced today initiation of OASIS-HAE, the registrational study in the donidalorsen (formerly IONIS-PKK-LRx) Phase 3 clinical program. Donidalorsen is an investigational antisense medicine designed to reduce the production of prekallikrein, which plays a key role in the activation...
CARLSBAD, Calif. – Ionis Pharmaceuticals, Inc. (NASDAQ: IONS) announced the initiation of a Phase 3 clinical trial of ION363 in patients with amyotrophic lateral sclerosis (ALS) with mutations in the fused in sarcoma gene (FUS). Patients with a mutation in the FUS gene develop a rare form of ALS, referred...
CARLSBAD, Calif. — Ionis Pharmaceuticals, Inc. (Nasdaq: IONS) announced today that the U.S. Food and Drug Administration (FDA) has granted Orphan Drug designation to the investigational medicine olezarsen for the treatment of familial chylomicronemia syndrome (FCS), a rare, genetic disease characterized by extremely elevated triglyceride levels and recurrent acute pancreatitis (AP)....
Completion of enrollment anticipated in 2026 CARLSBAD, Calif. — Ionis Pharmaceuticals, Inc. (Nasdaq: IONS) today announced that the first participant has been dosed in the global Phase 3 REVEAL study, which is designed to evaluate the efficacy and safety of ION582, an investigational medicine for the treatment of people living with...
CARLSBAD, Calif. — Ionis Pharmaceuticals, Inc. (Nasdaq: IONS) announced today that the U.S. Food and Drug Administration (FDA) has granted Fast Track designation to Ionis and AstraZeneca’s eplontersen, an investigational therapy for the treatment of transthyretin-mediated amyloid cardiomyopathy (ATTR-CM) in adults. The FDA grants development programs Fast Track designation to facilitate...
CARLSBAD, Calif. – Ionis Pharmaceuticals, Inc. (Nasdaq: IONS) today announced new long-term data for DAWNZERA™ (donidalorsen), the first and only RNA-targeted prophylactic medicine for hereditary angioedema (HAE), to be presented at the 2025 American College of Allergy, Asthma & Immunology (ACAAI) Annual Scientific Meeting in Orlando, Florida. Results demonstrate the long-term durability and safety...