Sponsor pipeline

Ionis Pharmaceuticals clinical trial pipeline

Get alerts when Ionis Pharmaceuticals's trials change

22 active trials 9 recruiting 12 Phase 3 3 disease areas 5 changes in 30 days

Data updated daily from ClinicalTrials.gov, last refresh 2026-10-11

What changed in the last 30 days

4 trials changed in the last 30 days: 0 stopped, 1 with a notable change, 3 with minor changes only.

Show 3 trials with minor changes only
  • Stopped: an ongoing trial was terminated, suspended or withdrawn.
  • Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
  • Minor: routine progress and housekeeping, such as sites added or enrollment closed.

Active trials by phase

Phase 1
2
Phase 1/2
4
Phase 2
1
Phase 3
12
Not charted: 3 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 2026-10-08
NCT07782827 CHAMPION: A Study to Evaluate the Efficacy and Safety of Obudanersen (ION582) in Children… Angelman Syndrome Recruiting 2026-09-28
NCT07298447 Donidalorsen Treatment in Children With Hereditary Angioedema Hereditary Angioedema (HAE) Recruiting 2026-09-02
NCT06914609 REVEAL: A Phase 3 Study of Obudanersen (ION582) in Angelman Syndrome Angelman Syndrome Active, Not Recruiting 2026-09-29
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 2026-09-03
Phase 1/2
NCT06430385 ATTUNE: A Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and… Methyl CpG Binding Protein 2 (MECP2) Duplication Syndrome Recruiting 2026-10-08
NCT07531745 ASCEND: Safety and Tolerability of ION337 for the Treatment of Dravet Syndrome Dravet Syndrome Recruiting 2026-09-03
NCT06153966 PrProfile: A Study to Assess the Safety, Tolerability, Pharmacokinetics and… Prion Disease Active, Not Recruiting 2026-09-18
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 2026-10-02
NCT04850105 A Non-interventional Cohort Safety Study of Patients With hATTR-PN Hereditary Transthyretin Amyloidosis With Polyneuropthy Active, Not Recruiting 2026-07-29
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