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Our clinical studies span a variety of medical conditions. Please see below and select an option to view the currently enrolling trials for that condition.

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Therapeutic Conditions

Cardio-Renal
Neurological
Cancer
Hematology
Other
 

Cardio-Renal

Condition
Status
Phase
Transthyretin-Mediated Amyloid Cardiomyopathy (ATTR CM)
An Extension Study to Assess Long-Term Safety of Eplontersen in Adults With Transthyretin-Mediated Amyloid Cardiomyopathy (ATTR-CM)
NCT05667493
ION-682884-CS12
The purpose of this study is to evaluate the safety and tolerability of extended dosing with eplontersen in participants with ATTR-CM.
Phase 3
Eplontersen
This is a multicenter, open-label, Phase 3 study in up to approximately 1400 participants. Eligible participants will receive eplontersen once every 4 weeks for up to 36 months or 6 months after eplontersen is approved and available in the site's country, whichever occurs first. Participants will also receive daily supplemental doses of the recommended daily allowance (RDA) of vitamin A. This study will consist of the following periods: less than or equal to (≤) 10-week screening assessment period, up to 36-month treatment period, and up to 6-month post-treatment evaluation period.
Recruiting
Phase 3
Severe Hypertriglyceridemia
A Study of Olezarsen (ISIS 678354) Administered Subcutaneously to Participants With Severe Hypertriglyceridemia (SHTG)
NCT05681351
ISIS 678354-CS15
The purpose of this study is to evaluate the safety and tolerability of olezarsen in participants with SHTG.
Phase 3
Olezarsen
This is a multi-center, open-label study of up to 700 participants with SHTG who would be rolled over from studies ISIS 678354-CS5 (NCT05079919) or ISIS 678354-CS6 (NCT05552326). Day 1 of this study may be same as the Week 53 visit of either ISIS 678354-CS5 or ISIS 678354-CS6, as applicable. Participants will receive olezarsen during the 53-week treatment period. The study will include a 31-day qualification Period, a 53-week treatment period, and a 13-week post-treatment period.
Recruiting
Phase 3

Neurological

Condition
Status
Phase
Parkinson's Disease
A Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of BIIB094 in Adults With Parkinson’s Disease
NCT03976349
254PD101
The primary objective of this study is to evaluate the safety and tolerability of single and multiple doses of BIIB094 administered via intrathecal (IT) injection to participants with Parkinson's Disease (PD). The secondary objective of this study is to evaluate the pharmacokinetic (PK) profile of BIIB094.The study is open for PD patients with verified presence or absence of variations in the leucine-rich repeated kinase 2 (LRRK2) gene, but also for patients without any verified PD-related genetic variant.
Phase 1
Part A (SAD): BIIB094 Dose 1
Recruiting
Phase 1
Amyotrophic Lateral Sclerosis
Study to Evaluate the Efficacy, Safety, Pharmacokinetics and Pharmacodynamics of ION363 in Amyotrophic Lateral Sclerosis Participants With Fused in Sarcoma Mutations (FUS-ALS)
NCT04768972
ION363-CS1
The primary purpose of this study is to evaluate the clinical efficacy of ION363 on clinical function and survival in carriers of fused in sarcoma mutations with amyotrophic lateral sclerosis (FUS-ALS).
Phase 3
ION363
Recruiting
Phase 3
Angelman Syndrome
HALOS: A Safety, Tolerability, Pharmacokinetics and Pharmacodynamics Study of Multiple Ascending Doses of ION582 in Participants With Angelman Syndrome
NCT05127226
ION582-CS1
The purpose of this study is to evaluate the safety and tolerability of ascending doses of ION582 administered intrathecally in participants with Angelman syndrome.
Phase 1
Part 1 MAD: Cohort A
This is a Phase 1-2a, open-label dose-escalation study of ION582 enrolling up to approximately 44 participants. Following a screening period of up to 4 weeks, eligible participants will receive intrathecal (IT) injections of ION582. Participants will be followed for up to 32 weeks after dosing.
Recruiting
Phase 1
Alexander Disease
A Study to Evaluate the Safety and Efficacy of ION373 in Patients With Alexander Disease (AxD)
NCT04849741
ION373-CS1
The purpose of this study is to evaluate the safety and efficacy of zilganersen (ION373) in improving or stabilizing gross motor function across the full range of affected domains in patients with AxD.
Phase 3
zilganersen
This is a Phase 1-3, multi-center, double-blind, placebo-controlled, multiple-ascending dose (MAD) study in up to 58 patients with AxD. Participants will be randomized in a 2:1 ratio to receive ION373 or matching placebo for a 60-week double-blind treatment period; then all participants will receive ION373 for a 60-week open-label treatment period.
Recruiting
Phase 3

Cancer

Condition
Status
Phase
Advanced Solid Tumors
A Study of ION537 in Patients With Molecularly Selected Advanced Solid Tumors
NCT04659096
ION537-CS1
The purpose of this study is to evaluate the safety and establish the maximum tolerated dose (MTD) and recommended Phase 2 dose (RP2D) of ION537 when administered by intravenous infusion in patients with advanced solid tumors.
Phase 1
ION537
This is a single center, open label, non-randomized, Phase 1, two-part study of ION537 in up to 102 participants. Part 1 of the study consists of sequential cohort, dose escalation in patients with advanced solid tumors. Part 2 is dose expansion in patients with molecularly selected advanced solid tumors. In total, the study includes up to 102 participants. The study will consist of a 30-day screening period, a treatment period consisting of sequential consecutive treatment cycles (each cycle will be of 28 days) and a post-treatment follow-up period of at least 28 days following the last dose of study drug.
Recruiting
Phase 1
Relapsed Multiple Myeloma, Refractory Multiple Myeloma
A Study of ION251 Administered to Patients With Relapsed/Refractory Multiple Myeloma
NCT04398485
ION251-CS1
The purpose of this study is to determine the maximum-tolerated dose (MTD) and recommended Phase 2 dose (RP2D) of ION251 in patients with relapsed/refractory multiple myeloma.
Phase 1
ION251
This is a two-part, multi-center first in human study of ION251 in up to 80 participants. Part 1 will use a 3+3 dose-escalation scheme in sequential cohorts to determine the MTD and RP2D during repeated 28-day treatment cycles. MTD will be determined by the number of participants with AEs meeting the dose-limiting toxicity (DLT) criteria during Cycle 1. The MTD determined in Part 1 will be used with other variables to inform a RP2D for participants proceeding to Part 2 for further assessments in the safety, tolerability and anti-myeloma activity.
Recruiting
Phase 1

Hematology

Condition
Status
Phase
Phlebotomy Dependent Polycythemia Vera
A Study to Evaluate Sapablursen (Formerly ISIS 702843, IONIS-TMPRSS6-LRx) in Patients With Polycythemia Vera
NCT05143957
ISIS 702843-CS4
The main purpose of this study is to evaluate the efficacy of sapablursen in reducing the frequency of phlebotomy and in improving quality of life assessments in participants with polycythemia vera.
Phase 2
Sapablursen Dose Level 1
This is a Phase 2a, multi-center, randomized, open-label study of sapablursen in up to 40 participants with PD-PV. The study consists of 4 periods: 1) Screening Period: up to 7 weeks; 2) Treatment Period: 37 weeks 3) Treatment Extension Period: 36 weeks; 4) Post-treatment Period: 13 weeks. In the Treatment Period, study drug is given by subcutaneous (under the skin) injection(s). There will be a total of 10 doses given over about 8 months. In the Treatment Extension Period, there will be a total of 9 doses given over about 8 months. Participants will be assigned to receive one of 2 Dosing Levels - a higher or a lower level, with an equal chance of being assigned to either Dosing Level. All participants will receive study drug; there is no placebo. This study was extended to allow participants to receive sapablursen for an additional 36 weeks following the initial 37-week treatment period.
Recruiting
Phase 2