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Trackers› Clinical trials› Illinois
Clinical trial register · United States · industry-sponsored

Clinical Trials in Illinois, 2026

Every industry-sponsored study on the ClinicalTrials.gov registry that lists a US site and is open, about to open, active-but-closed, or enrolling by invitation. This deliberately excludes academic and other non-industry sponsors — the full US registry across all sponsors runs to over 22,000 recruiting studies alone.

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Source: ClinicalTrials.gov. Complete coverage of the industry-sponsored slice — all 9124 matching records are in this view (non-industry sponsors are out of scope by design, not truncated). Synced 09 Oct 2026, 03:16 UTC
9124
Studies in scope
industry-sponsored, all four open statuses
4956
Recruiting now
open to new participants
2195
Lead sponsors
across recruiting studies
Top states
California 110 Florida 85 Colorado 52 Georgia 47 Illinois 42
Narrow the registerReset
Recruitment status
Phase
Lead sponsor
AstraZeneca109 AbbVie103 Eli Lilly and Company70 Novartis Pharmaceuticals62 Merck Sharp & Dohme LLC62 Clear sponsor filter
State
California110 Florida85 Colorado52 Georgia47 Illinois42
All 46 states
Target enrolment
to

Trials with a site in Illinois

42 of 9124 studies
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Status
Study
Lead sponsor
Phase
Enrol
US states
Start
Recruiting
Hoffmann-La Roche
Phase 1
180
Illinois, Missouri, Nebraska, Texas, Wisconsin
2026-10-06
Recruiting
Hoffmann-La Roche
Phase 1
30
California, Illinois, Ohio
2026-06-18
Recruiting
Hoffmann-La Roche
Phase 3
2,000
Alabama, Arizona, California, Connecticut, Georgia, Hawaii, Illinois, Kentucky
2026-03-16
Recruiting
Hoffmann-La Roche
Phase 2
160
Arizona, California, Florida, Illinois, Louisiana, Michigan, New York, Ohio
2025-12-05
Active, closed
Hoffmann-La Roche
Phase 3
1,060
Arizona, California, Connecticut, Florida, Georgia, Illinois, Massachusetts, Michigan
2025-11-12
Active, closed
Hoffmann-La Roche
Phase 3
1,101
Alabama, Arizona, California, Florida, Georgia, Hawaii, Illinois, Louisiana
2025-09-17
Active, closed
Hoffmann-La Roche
Phase 2
330
Arizona, California, Connecticut, District of Columbia, Florida, Georgia, Illinois, New York
2025-08-19
Recruiting
Hoffmann-La Roche
Phase 3
80,000
Alabama, Arizona, California, Connecticut, Florida, Georgia, Hawaii, Illinois
2025-07-02
Recruiting
Hoffmann-La Roche
Phase 3
425
Alabama, Arizona, California, Colorado, Florida, Georgia, Illinois, Kansas
2025-05-12
Active, closed
Hoffmann-La Roche
Phase 2
285
Alabama, California, Florida, Georgia, Illinois, New York, North Carolina, Ohio
2025-05-05
Active, closed
Hoffmann-La Roche
Phase 1
50
California, Florida, Illinois, Kansas, New York, Pennsylvania, Texas
2025-04-28
Recruiting
Hoffmann-La Roche
Phase 3
450
Arizona, California, Florida, Georgia, Illinois, Kentucky, Maryland, Michigan
2025-04-09
Recruiting
Hoffmann-La Roche
Phase 3
600
Alabama, Arizona, California, Colorado, Florida, Georgia, Idaho, Illinois
2025-03-17
Active, closed
Hoffmann-La Roche
Phase 4
274
California, Florida, Illinois, Massachusetts, Nevada, New Jersey, New Mexico, Tennessee
2025-03-14
Recruiting
Hoffmann-La Roche
Phase 2
130
Alaska, California, Colorado, Florida, Idaho, Illinois, Iowa, Kentucky
2025-03-05
Active, closed
Hoffmann-La Roche
Phase 3
350
Alabama, Arizona, California, Colorado, Florida, Georgia, Illinois, Indiana
2024-12-11
Active, closed
Hoffmann-La Roche
Phase 3
338
Arizona, California, Connecticut, Florida, Illinois, Maine, Massachusetts, Michigan
2024-09-23
Active, closed
Hoffmann-La Roche
Phase 3
400
Alabama, California, Colorado, Florida, Georgia, Idaho, Illinois, Indiana
2024-09-17
Recruiting
Hoffmann-La Roche
Phase 4
28
Arkansas, Colorado, Florida, Georgia, Illinois, Michigan, New York, Pennsylvania
2024-05-30
Active, closed
Hoffmann-La Roche
Phase 3
1,130
Alaska, California, Colorado, Connecticut, District of Columbia, Florida, Hawaii, Illinois
2023-09-18
Active, closed
Hoffmann-La Roche
Phase 3
687
Arkansas, California, Connecticut, District of Columbia, Florida, Illinois, Kentucky, Louisiana
2023-09-14
Active, closed
Hoffmann-La Roche
Phase 3
459
Alabama, California, Florida, Georgia, Idaho, Illinois, Massachusetts, Nevada
2023-08-08
Active, closed
Hoffmann-La Roche
Phase 3
2,000
Alabama, Arizona, California, Florida, Georgia, Illinois, Indiana, Louisiana
2023-06-28
Active, closed
Hoffmann-La Roche
Phase 2
301
Alabama, Arizona, California, Colorado, District of Columbia, Florida, Illinois, Iowa
2023-02-03
Active, closed
A Real-World Study to Gain Clinical Insights Into Roche Ophthalmology Products
NCT05476926Neovascular Age-related Macular Degeneration, Diabetic Macular Edema, Retinal Vein Occlusion, Branch Retinal Vein Occlusion
DrugsVabysmo·Faricimab
Hoffmann-La Roche
Observational
6,000
Arizona, California, Florida, Illinois, Kentucky, Maryland, Michigan, Pennsylvania
2022-11-21
Active, closed
Hoffmann-La Roche
Phase 1
121
California, Colorado, Florida, Illinois, North Carolina, Texas
2022-10-26
Active, closed
Hoffmann-La Roche
Phase 3
1,300
Arizona, California, Colorado, Florida, Georgia, Illinois, Indiana, Kansas
2022-05-03
Active, closed
Hoffmann-La Roche
Phase 3
660
Georgia, Illinois, Maine, Massachusetts, Michigan, New York, Ohio, Rhode Island
2021-11-18
Recruiting
Hoffmann-La Roche
Phase 1
542
Alabama, Arizona, California, Colorado, Connecticut, Florida, Illinois, Louisiana
2021-10-22
Active, closed
Hoffmann-La Roche
Phase 3
4,170
Alabama, California, Colorado, Connecticut, Florida, Illinois, Kansas, Kentucky
2021-08-27
Active, closed
Hoffmann-La Roche
Phase 2
586
Alabama, Arizona, California, Colorado, Connecticut, Florida, Illinois, Kansas
2021-05-05
Active, closed
Hoffmann-La Roche
Phase 3
746
Alabama, Arizona, California, Colorado, Florida, Illinois, Indiana, Louisiana
2021-03-17
Active, closed
Hoffmann-La Roche
Phase 2
920
Arizona, California, Georgia, Idaho, Illinois, Indiana, Maryland, Michigan
2021-01-18
Active, closed
Hoffmann-La Roche
Phase 3
672
Arizona, California, Colorado, Connecticut, Florida, Georgia, Illinois, Iowa
2019-09-30
Recruiting
Hoffmann-La Roche
Phase 3
1,000
Arizona, California, Colorado, Connecticut, Florida, Georgia, Illinois, Iowa
2018-09-20
Active, closed
Hoffmann-La Roche
Phase 3
257
Illinois, Massachusetts, Pennsylvania
2018-08-16
Active, closed
Hoffmann-La Roche
Phase 3
927
California, Florida, Illinois, Massachusetts, Michigan, Missouri, New York, Ohio
2018-05-28
Recruiting
Hoffmann-La Roche
Phase 1/2
1,132
California, Colorado, Florida, Illinois, Minnesota, Nevada, New Jersey, New York
2018-03-30
Active, closed
Hoffmann-La Roche
Phase 3
382
Arizona, California, Colorado, Connecticut, District of Columbia, Florida, Georgia, Illinois
2017-09-20
Active, closed
Hoffmann-La Roche
Phase 2
316
Alabama, Arizona, California, Colorado, Connecticut, Florida, Illinois, Kansas
2017-06-27
Active, closed
Hoffmann-La Roche
Phase 1/2
69
California, Colorado, Georgia, Illinois, Maryland, Massachusetts, Missouri, New York
2016-05-03
Active, closed
Hoffmann-La Roche
Phase 2
534
Arizona, California, Colorado, Connecticut, District of Columbia, Florida, Georgia, Illinois
2015-11-19
Rows per page Showing 1–42 of 42
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Cite this view

Priya Life Science (2026). Clinical trial register: industry-sponsored studies with a US investigative site, filtered. Derived from ClinicalTrials.gov. Retrieved 10 October 2026. https://priyalifescience.com/clinical-trials-usa/state/illinois

Query this register directly
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About this register

This register is built from ClinicalTrials.gov, the trial registry run by the U.S. National Library of Medicine. It includes every industry-sponsored study on the registry that lists at least one investigative site in the US and is recruiting, not yet recruiting, active but no longer recruiting, or enrolling by invitation: 9,124 studies in total at the last sync on 09 Oct 2026, 03:16 UTC. Academic and other non-industry sponsors are out of scope by design. The full list can be downloaded as CSV or queried as JSON through the register API.

This page shows the 42 of those studies with a site in Illinois that also match the filters currently applied.

How many clinical trials are recruiting in Illinois?

13 of the 42 studies on this page are recruiting new participants as of the 09 Oct 2026, 03:16 UTC sync. A further 0 have not yet opened recruitment, 29 are active but closed to new participants, and 0 are enrolling by invitation only. Eligibility for any study is decided by its study team.

Summary by phase

Studies by phase (Illinois), 42 studies
PhaseStudiesRecruitingShare
Phase 323654.8%
Phase 29221.4%
Phase 15311.9%
Phase 1/2214.8%
Phase 4214.8%
Observational102.4%

Most active sponsors

Lead sponsors with the most studies (Illinois)
Lead sponsorStudiesRecruiting
Hoffmann-La Roche4213
Listing here is informational and not medical advice; eligibility is determined by each study team. Compare pay for the teams running these studies in the US Pharma Salary Guide, see who's behind them in the US Company Directory, or track approvals on the FDA Approvals Tracker. For Irish, UK and EU sites, see the Ireland, UK and EU registers.