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Ionis drug eplontersen misses primary endpoint in heart trial
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Update on CARDIO-TTRansform Phase 3 trial of eplontersen in adults with transthyretin-mediated amyloid cardiomyopathy
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Ionis completes enrollment in Phase 3 Angelman syndrome study
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Ionis completes enrollment in pivotal cohort of the Phase 3 REVEAL study evaluating obudanersen in Angelman syndrome
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Ionis licenses zilganersen to Recordati for ex-U.S. markets
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Ionis announces license agreement with Recordati for zilganersen in Alexander disease (AxD) in all countries outside the U.S.
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FDA approves Ionis drug Tryngolza for severe hypertriglyceridemia
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TRYNGOLZA® (olezarsen) approved by the FDA as the first and only treatment to reduce triglycerides and the risk of acute pancreatitis in patients with severe hypertriglyceridemia (sHTG)
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Ionis appoints Ludwig Hantson to board of directors
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Ionis announces appointment of Ludwig Hantson, Ph.D. to Board of Directors
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Ionis to present new analyses from CORE and CORE2 pivotal studies supporting olezarsen for severe hypertriglyceridemia (sHTG) at upcoming congresses
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Ionis partner GSK announces bepirovirsen achieves unprecedented functional cure rates with potential to redefine treatment for chronic hepatitis B
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Biogen advances IONIS alzheimer's drug after phase 2 study shows cognitive benefit
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Ionis partner Biogen announces topline results from Phase 2 CELIA study of diranersen (BIIB080): first study to show reduction in tau pathology and cognitive benefit in patients with early Alzheimer�
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Ionis to host 2026 virtual Annual Meeting of Stockholders
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Ionis to present at upcoming investor conferences
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Ionis reports first quarter 2026 financial results and highlights progress on key programs
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FDA accepts GSK's bepirovirsen for priority review in hepatitis B treatment
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Ionis partner GSK announces bepirovirsen accepted for Priority Review and granted Breakthrough Therapy Designation by U.S. FDA as a potential first-in-class medicine for chronic hepatitis B
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Ionis reports positive zilganersen data for Alexander disease
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Ionis presents new data from pivotal study of zilganersen in Alexander disease (AxD) at AAN 2026 Annual Meeting
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Ionis to hold first quarter 2026 financial results webcast
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FDA grants priority review to Ionis' Alexander disease treatment
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Ionis announces zilganersen New Drug Application for Alexander disease (AxD) accepted by FDA for Priority Review
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Ionis announces board changes with two retirements, one addition
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Ionis announces changes to Board of Directors
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Ionis to present DAWNZERA data at 2026 AAAAI meeting
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Ionis to present new data supporting DAWNZERA™ (donidalorsen) in hereditary angioedema at 2026 AAAAI Annual Meeting
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FDA accepts Ionis olezarsen application for priority review
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FDA accepts Ionis' olezarsen application for priority review
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Olezarsen sNDA accepted by the FDA for Priority Review for the treatment of severe hypertriglyceridemia (sHTG)
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Ionis reports fourth quarter and full year 2025 financial results and highlights progress on key programs
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Ionis to present at upcoming investor conferences
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Ionis updates time for fourth quarter and full year 2025 financial results webcast
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Ionis to hold fourth quarter and full year 2025 financial results webcast
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DAWNZERA gets European Commission approval for hereditary angioedema
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DAWNZERA™ (donidalorsen) approved in the European Union for hereditary angioedema (HAE)
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Ionis well-positioned for continued momentum and substantial value creation in 2026 with two new independent launches and several pivotal data readouts
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GSK hepatitis B drug meets goals in phase 3 trials
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Ionis partner GSK announces positive topline results from B-Well 1 and B-Well 2 Phase 3 studies for bepirovirsen, a potential first-in-class medicine for chronic hepatitis B
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Ionis to present at 44th Annual J.P. Morgan Healthcare Conference
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Ionis receives FDA breakthrough therapy designation for Alexander disease drug
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Ionis receives U.S. FDA Breakthrough Therapy designation for zilganersen for Alexander disease (AxD)
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Ionis receives FDA breakthrough therapy status for severe hypertriglyceridemia drug
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Ionis receives U.S. FDA Breakthrough Therapy designation for olezarsen for severe hypertriglyceridemia (sHTG)
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Ionis' DAWNZERA receives EU regulatory committee recommendation for HAE
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DAWNZERA™ (donidalorsen) receives positive opinion from CHMP, recommended for approval in EU for hereditary angioedema (HAE)
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Ionis to present at upcoming investor conferences
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Ionis reports olezarsen cut triglyceride levels up to 72% in pivotal trials
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Groundbreaking pivotal study results of olezarsen for severe hypertriglyceridemia (sHTG) presented as a late breaker at AHA Scientific Sessions

