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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 9132 matching records are in this view (non-industry sponsors are out of scope by design, not truncated). Synced 12 Oct 2026, 03:16 UTC
9132
Studies in scope
industry-sponsored, all four open statuses
4964
Recruiting now
open to new participants
2194
Lead sponsors
across recruiting studies
Top states
California 53 Florida 43 Georgia 31 Illinois 29 Alabama 23
Narrow the registerReset
Recruitment status
Phase
Lead sponsor
AstraZeneca109 AbbVie103 Eli Lilly and Company70 Novartis Pharmaceuticals63 Merck Sharp & Dohme LLC62 Clear sponsor filter
State
California53 Florida43 Georgia31 Illinois29 Alabama23
All 40 states
Target enrolment
to

Trials with a site in Illinois

29 of 9132 studies
Download
Status
Study
Lead sponsor
Phase
Enrol
US states
Start
Not yet open
Novo Nordisk A/S
Phase 3
8,500
Alabama, Arizona, California, Connecticut, Florida, Georgia, Idaho, Illinois
2026-10-26
Recruiting
Novo Nordisk A/S
Phase 3
650
California, District of Columbia, Florida, Georgia, Illinois, Indiana, Louisiana, Missouri
2026-09-22
Recruiting
Novo Nordisk A/S
Phase 3
210
Arizona, California, Connecticut, Florida, Hawaii, Illinois, Iowa, Kansas
2026-09-16
Recruiting
Novo Nordisk A/S
Phase 3
950
Alabama, California, Colorado, Florida, Georgia, Hawaii, Illinois, Indiana
2026-08-31
Recruiting
Novo Nordisk A/S
Phase 3
1,778
Alabama, Arizona, California, Florida, Georgia, Idaho, Illinois, Indiana
2026-08-24
Recruiting
Novo Nordisk A/S
Phase 3
285
Georgia, Hawaii, Illinois, Indiana, Kentucky, North Carolina, South Carolina, Virginia
2026-08-04
Recruiting
Novo Nordisk A/S
Phase 3
80
Connecticut, Florida, Georgia, Illinois, Indiana, Iowa, Michigan, New York
2026-08-04
Active, closed
Novo Nordisk A/S
Phase 2
233
Alabama, California, Florida, Illinois, Indiana, Kentucky, Maryland, Missouri
2026-06-09
Recruiting
Novo Nordisk A/S
Phase 3
300
California, Florida, Georgia, Illinois, New York, Ohio, Pennsylvania, Texas
2026-05-05
Recruiting
Novo Nordisk A/S
Phase 3
300
Arizona, Florida, Georgia, Illinois, New York, North Dakota, Ohio, Pennsylvania
2026-05-05
Active, closed
Novo Nordisk A/S
Phase 3
606
Alabama, California, Florida, Illinois, Indiana, North Carolina, Pennsylvania, Rhode Island
2026-04-21
Recruiting
Novo Nordisk A/S
Phase 3
400
California, Connecticut, Florida, Illinois, Kentucky, Michigan, Missouri, New York
2026-04-20
Recruiting
Novo Nordisk A/S
Phase 2
270
California, Florida, Idaho, Illinois, Massachusetts, Missouri, North Carolina, Ohio
2026-04-17
Recruiting
Novo Nordisk A/S
Phase 3
1,150
Florida, Georgia, Illinois, Indiana, Missouri, New York, North Carolina, Pennsylvania
2026-02-24
Active, closed
Novo Nordisk A/S
Phase 3
300
California, Colorado, Florida, Illinois, Indiana, Missouri, North Carolina, Virginia
2025-11-05
Recruiting
Novo Nordisk A/S
Phase 3
1,280
Arizona, California, Connecticut, District of Columbia, Florida, Georgia, Hawaii, Illinois
2025-10-02
Active, closed
Novo Nordisk A/S
Phase 3
877
Alabama, California, Colorado, Florida, Georgia, Idaho, Illinois, Indiana
2025-08-11
Active, closed
Novo Nordisk A/S
Phase 3
609
California, Florida, Georgia, Illinois, Indiana, Iowa, Michigan, Missouri
2025-06-03
Recruiting
Novo Nordisk A/S
Phase 3
480
Alabama, Arizona, California, Connecticut, District of Columbia, Florida, Georgia, Illinois
2025-01-10
Recruiting
Novo Nordisk A/S
Phase 2
465
California, Colorado, Florida, Illinois, Indiana, Michigan, Missouri, New York
2024-12-02
Active, closed
Novo Nordisk A/S
Phase 4
500
California, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Louisiana
2024-09-17
Active, closed
Novo Nordisk A/S
Phase 3
673
Alabama, Arkansas, California, Florida, Georgia, Illinois, Kentucky, Maryland
2024-04-01
Active, closed
Novo Nordisk A/S
Phase 2
88
Arizona, California, Florida, Illinois, Maryland, Minnesota
2024-02-20
Active, closed
Novo Nordisk A/S
Phase 3
7,101
Alabama, Arizona, California, Connecticut, Florida, Georgia, Idaho, Illinois
2023-03-01
Active, closed
A Research Study Looking at Long-term Treatment With Mim8 in People With Haemophilia A
NCT05685238Haemophilia A, Haemophilia A With Inhibitors
Novo Nordisk A/S
Phase 3
451
California, Colorado, Florida, Georgia, Illinois, Indiana, Iowa, Michigan
2023-02-13
By invitation
Novo Nordisk A/S
Observational
400
Arizona, California, Colorado, Florida, Georgia, Illinois, Maryland, Massachusetts
2023-02-03
Active, closed
Novo Nordisk A/S
Phase 3
3,400
Alabama, California, Colorado, Florida, Georgia, Hawaii, Illinois, Indiana
2022-11-01
Active, closed
Novo Nordisk A/S
Phase 3
153
California, Colorado, Florida, Georgia, Illinois, Indiana, Louisiana, Missouri
2022-03-24
Active, closed
Novo Nordisk A/S
Phase 3
1,500
Arizona, California, Colorado, Connecticut, Florida, Georgia, Illinois, Indiana
2019-05-08
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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 12 October 2026. https://priyalifescience.com/clinical-trials-usa/state/illinois

Query this register directly
GET /api/trials?country=usa&status=recruiting&format=json Try it now →

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: 9,132 studies in total at the last sync on 12 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 29 of those studies with a site in Illinois that also match the filters currently applied.

How many clinical trials are recruiting in Illinois?

14 of the 29 studies on this page are recruiting new participants as of the 12 Oct 2026, 03:16 UTC sync. A further 1 have not yet opened recruitment, 13 are active but closed to new participants, and 1 are enrolling by invitation only. Eligibility for any study is decided by its study team.

Summary by phase

Studies by phase (Illinois), 29 studies
PhaseStudiesRecruitingShare
Phase 3231279.3%
Phase 24213.8%
Observational103.4%
Phase 4103.4%

Most active sponsors

Lead sponsors with the most studies (Illinois)
Lead sponsorStudiesRecruiting
Novo Nordisk A/S2914
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.