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Our grouping. This page groups the registry's lead sponsor names by company — our grouping, not the registry's. It can be wrong or incomplete: an acquired company whose name never mentions its owner may be missing. Use “Something wrong?” under any name below to correct it.

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Ionis Pharmaceuticals, Inc. clinical trials

The registry lists 133 studies whose lead sponsor is Ionis Pharmaceuticals, Inc. or one of 1 company grouped under it. 11 are recruiting or about to start. Per ClinicalTrials.gov, last updated Oct 20, 2026.

Keep track of what changes. Save the Ionis Pharmaceuticals, Inc. studies recruiting or about to start, and get an email each week — studies that open, close, add sites or post results.

Watch these studies

Status

Completed
95
Active, not recruiting
11
Recruiting
9
Terminated
8
Approved for marketing
4
Withdrawn
3

Phase

Phase 2
63
Phase 1
40
Phase 3
28
Phase 4
1

Where

United States
89
Canada
61
Spain
30
United Kingdom
29
Italy
28
Germany
27

Registry sponsor names on this page

Each name exactly as ClinicalTrials.gov lists it, and how it relates to Ionis Pharmaceuticals, Inc..

  • Ionis Pharmaceuticals, Inc.
    Same company
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    118 studies
  • Akcea Therapeutics
    Subsidiary
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    15 studies →

Focus areas

Conditions Ionis Pharmaceuticals, Inc. leads ten or more studies in, by study count. A broader condition is left out when almost all its studies are already in a narrower one listed here.

Diabetes Mellitus, Type 215Hypertriglyceridemia12Amyloidosis11

Studies

Recruiting first, then most recently updated. Showing 50 of 133. Browse all 133 →