Sponsor pipeline

Ionis Pharmaceuticals clinical trial pipeline

Get alerts when Ionis Pharmaceuticals's trials change

24 active trials 9 recruiting 12 Phase 3 2 disease areas 8 changes in 30 days

Data updated daily from ClinicalTrials.gov, last refresh 2026-08-28

What changed in the last 30 days

2026-07-30
notable
Enrollment reduced: 240 → 202 participants
Enrollment closed, study ongoing
NCT04850105 A Non-interventional Cohort Safety Study of Patients With hATTR-PN
2026-08-26
notable
Trial completed
NCT04136171 CARDIO-TTRansform: A Study to Evaluate the Efficacy and Safety of Eplontersen (Formerly… · Phase 3
2026-08-21
notable
Enrollment closed, study ongoing
NCT05127226 HALOS: A Safety, Tolerability, Pharmacokinetics and Pharmacodynamics Study of Multiple… · Phase 1/2
2026-08-20
notable
Enrollment closed, study ongoing
Enrollment increased: 76 → 85 participants
NCT06153966 PrProfile: A Study to Assess the Safety, Tolerability, Pharmacokinetics and… · Phase 1/2
2026-08-06
minor
Trial sites expanded: 10 → 13 locations
NCT07298447 Donidalorsen Treatment in Children With Hereditary Angioedema · Phase 3
2026-08-22
minor
Completion pushed: 2029-09 → 2034-07
NCT04849741 A Study to Evaluate the Safety and Efficacy of Zilganersen (ION373) in Patients With… · Phase 3

New trial filings, last 30 days

First postedTrialPhaseStatus
2026-08-24 NCT07782827 CHAMPION: A Study to Evaluate the Efficacy and Safety of Obudanersen (ION582) in Children… Phase 3 Not Yet Recruiting

Active trials by phase

Phase 1
2
Phase 1/2
4
Phase 2
1
Phase 3
12
Not charted: 5 active trials with no phase listed on ClinicalTrials.gov (typically behavioural, device, procedure and observational studies).

Active trials

NCT IDTitleConditionStatusUpdated
Phase 3
NCT07727538 A Study of Olezarsen for the Treatment of Familial Chylomicronemia Syndrome (FCS) in… Familial Chylomicronemia Syndrome Recruiting 2026-08-26
NCT06914609 REVEAL: A Phase 3 Study of Obudanersen (ION582) in Angelman Syndrome Angelman Syndrome Recruiting 2026-08-12
NCT07298447 Donidalorsen Treatment in Children With Hereditary Angioedema Hereditary Angioedema (HAE) Recruiting 2026-08-05
NCT07782827 CHAMPION: A Study to Evaluate the Efficacy and Safety of Obudanersen (ION582) in Children… Angelman Syndrome Not Yet Recruiting 2026-08-24
NCT04849741 A Study to Evaluate the Safety and Efficacy of Zilganersen (ION373) in Patients With… Alexander Disease Active, Not Recruiting 2026-08-21
NCT04768972 FUSION: A Study to Evaluate the Efficacy, Safety, Pharmacokinetics and Pharmacodynamics… Amyotrophic Lateral Sclerosis Active, Not Recruiting 2026-07-21
NCT05667493 An Extension Study to Assess Long-Term Safety of Eplontersen in Adults With… Transthyretin-Mediated Amyloid Cardiomyopathy (ATTR CM) Enrolling by Invitation 2026-04-17
NCT05130450 A Study of Olezarsen (Formerly Known as AKCEA-APOCIII-LRx) in Participants With Familial… Familial Chylomicronemia Syndrome Active, Not Recruiting 2025-12-12
NCT05185843 A Study of Olezarsen (Formerly Known as AKCEA-APOCIII-LRX) Administered to Adults With… Familial Chylomicronemia Syndrome Active, Not Recruiting 2025-12-12
NCT05392114 A Study to Assess the Long-Term Safety and Efficacy of Donidalorsen in the Prophylactic… Hereditary Angioedema Active, Not Recruiting 2025-12-12
NCT05071300 A Study to Assess the Long-Term Safety and Efficacy of Eplontersen (Formerly Known as… Hereditary Transthyretin-Mediated Amyloid Polyneuropathy Active, Not Recruiting 2025-12-04
NCT05681351 CORE-OLE: A Study of Olezarsen (ISIS 678354) Administered Subcutaneously to Participants… Severe Hypertriglyceridemia Active, Not Recruiting 2025-12-01
Phase 2
NCT07604974 A Study to Assess the Safety, Tolerability and Efficacy of ION775 Hypertriglyceridemia Recruiting 2026-06-18
Phase 1/2
NCT07531745 ASCEND: Safety and Tolerability of ION337 for the Treatment of Dravet Syndrome Dravet Syndrome Recruiting 2026-08-05
NCT06430385 ATTUNE: A Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and… Methyl CpG Binding Protein 2 (MECP2) Duplication Syndrome Recruiting 2026-03-24
NCT06153966 PrProfile: A Study to Assess the Safety, Tolerability, Pharmacokinetics and… Prion Disease Active, Not Recruiting 2026-08-26
NCT05127226 HALOS: A Safety, Tolerability, Pharmacokinetics and Pharmacodynamics Study of Multiple… Angelman Syndrome Active, Not Recruiting 2026-08-20
Phase 1
NCT04165486 Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of ION464 Administered… Multiple System Atrophy Recruiting 2026-04-27
NCT06150716 Orbit Study: A Study to Evaluate the Safety, Pharmacokinetics, and Pharmacodynamics of… Pelizaeus-Merzbacher Disease Recruiting 2025-12-12
Not specified
NCT05659901 Rocket Study: A Study to Characterize Biomarkers and Disease Progression in Participants… Pelizaeus-Merzbacher Disease Recruiting 2026-04-17
NCT04850105 A Non-interventional Cohort Safety Study of Patients With hATTR-PN Hereditary Transthyretin Amyloidosis With Polyneuropthy Active, Not Recruiting 2026-07-29
NCT06073574 CARDIO-TTRansform Magnetic Resonance Imaging (MRI) Sub-study Transthyretin-Mediated Amyloid Cardiomyopathy (ATTR-CM) Active, Not Recruiting 2025-11-28
NCT06073587 The CARDIO-TTRansform Scintigraphy Sub-study Transthyretin-Mediated Amyloid Cardiomyopathy (ATTR-CM) Active, Not Recruiting 2025-11-28
NCT04270058 TEGSEDI Pregnancy Surveillance Program Hereditary Transthyretin-mediated Amyloidosis With Polyneropathy Not Yet Recruiting 2025-08-19

Disease areas by active trials

Get alerts when Ionis Pharmaceuticals's trials change
Status changes, date slips, and new filings: detected daily, delivered to your inbox.
Start monitoring free