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

Clinical Trials in Colorado, 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 10 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 63 Georgia 57 Florida 56 Colorado 41 Arizona 38
Narrow the registerReset
Recruitment status
Phase
Lead sponsor
Janssen Research & Development, LLC11 AbbVie8 Pfizer3 GlaxoSmithKline3 Celgene2
State
California63 Georgia57 Florida56 Colorado41 Arizona38
All 42 states
Target enrolment
to

Trials with a site in Colorado

41 of 9132 studies
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Status
Study
Lead sponsor
Phase
Enrol
US states
Start
Recruiting
Janssen Research & Development, LLC
Phase 2
230
Arizona, California, Colorado, Missouri
2026-06-30
Recruiting
Janssen Research & Development, LLC
Phase 3
700
Alabama, Arizona, Arkansas, California, Colorado, Connecticut, Florida, Georgia
2026-05-31
Recruiting
AbbVie
Phase 1
127
California, Colorado, Florida, Georgia, Illinois, Michigan
2026-02-27
Active, closed
Janssen Research & Development, LLC
Phase 2
168
Alabama, Arizona, California, Colorado, Florida, Georgia, Illinois, Iowa
2026-02-08
Recruiting
Janssen Research & Development, LLC
Phase 3
400
Arizona, Arkansas, California, Colorado, Connecticut, Florida, Georgia, Illinois
2026-02-04
Recruiting
AbbVie
Phase 2/3
680
Arizona, California, Colorado, Georgia, Indiana, Minnesota, New York, North Carolina
2026-01-08
Recruiting
AbbVie
Phase 1
135
California, Colorado, Missouri, New Jersey, New York, North Carolina, Washington
2025-08-07
Recruiting
AstraZeneca
Phase 1
40
Arizona, California, Colorado, Florida, Georgia, Iowa, Minnesota, Missouri
2025-07-31
Recruiting
AbbVie
Phase 1/2
602
California, Colorado, Florida, Georgia, New York, North Carolina, Ohio, Texas
2025-06-30
Recruiting
GlaxoSmithKline
Phase 3
520
Alabama, Arizona, California, Colorado, District of Columbia, Florida, Georgia, Maine
2024-12-16
Recruiting
Janssen Research & Development, LLC
Phase 1
276
Colorado, Georgia
2024-12-04
Recruiting
Janssen Research & Development, LLC
Phase 2
210
California, Colorado, Connecticut, New York, North Carolina, Ohio, Virginia, Washington
2024-08-26
Active, closed
Kite, A Gilead Company
Phase 3
452
Arizona, California, Colorado, Florida, Georgia, Idaho, Illinois, Indiana
2024-08-23
Active, closed
Janssen Research & Development, LLC
Phase 1
108
Arizona, Colorado, Florida, Georgia, Indiana, Ohio, Texas
2024-06-07
Active, closed
AbbVie
Phase 3
421
Alabama, Arizona, California, Colorado, Florida, Georgia, Illinois, Louisiana
2024-05-19
Recruiting
Juno Therapeutics, Inc., a Bristol-Myers Squibb Company
Phase 2
230
Alabama, Arizona, Arkansas, California, Colorado, Florida, Georgia, Illinois
2024-03-21
Recruiting
Pfizer
Phase 3
492
Alabama, Arizona, California, Colorado, Florida, Illinois, Indiana, Kansas
2024-02-08
Recruiting
Regeneron Pharmaceuticals
Phase 1/2
149
California, Colorado, Kentucky, Michigan, New Jersey, New York, North Carolina, Texas
2023-12-19
Active, closed
Celgene
Phase 3
79
California, Colorado, Connecticut, Florida, Georgia, Massachusetts, Michigan, Minnesota
2023-10-16
Recruiting
Pfizer
Phase 4
80
California, Colorado, Florida, Michigan, Texas
2023-10-03
Active, closed
Bristol-Myers Squibb
Phase 3
1,230
Colorado, Florida, Georgia, Illinois, Kansas, Maryland, Massachusetts, Michigan
2023-06-22
Recruiting
AbbVie
Phase 1
210
Arizona, Arkansas, Colorado, Delaware, Illinois, Indiana, Louisiana, Maryland
2023-03-21
Active, closed
Hoffmann-La Roche
Phase 1/2
90
Colorado, Florida, Maryland, Massachusetts, Minnesota, New York, Tennessee, Utah
2022-10-17
Active, closed
Kite, A Gilead Company
Phase 2
136
Arizona, Arkansas, Colorado, Florida, Georgia, Illinois, Maryland, Massachusetts
2022-07-15
Recruiting
A Phase 1/2 Study of Enzomenib (DSP-5336) in Patients With Acute Leukemia (Horizen-1)
NCT04988555Leukemia, Myeloid, Acute, Leukemia, Lymphocytic, Acute, Multiple Myeloma, Myelodysplastic Syndromes
DrugsAzoles·Gilteritinib·Azacitidine·Venetoclax
Sumitomo Pharma America, Inc.
Phase 1/2
606
California, Colorado, District of Columbia, Florida, Illinois, Maryland, Massachusetts, New Jersey
2022-02-28
Recruiting
Pfizer
Phase 3
893
California, Colorado, Florida, Louisiana, New Jersey, New York
2021-10-04
Active, closed
Janssen Research & Development, LLC
Phase 1
166
Alabama, California, Colorado, Georgia, Indiana, New Jersey, New York, North Carolina
2021-09-22
Active, closed
Study of Selinexor Plus DRd for Newly Diagnosed Multiple Myeloma
NCT04782687Multiple Myeloma, Myeloma Multiple, Kahler Disease, Myeloma, Plasma Cell
DrugsDarzalex·Selinexor·Daratumumab·Lenalidomide
US Oncology Research
Phase 2
73
Arizona, Colorado, Maryland, New York, Oregon, Texas, Virginia
2021-09-10
Recruiting
Genentech, Inc.
Phase 1
186
California, Colorado, Georgia, Michigan, Missouri
2021-07-26
Active, closed
C4 Therapeutics, Inc.
Phase 1
224
Arizona, California, Colorado, Florida, Georgia, Massachusetts, Minnesota, Missouri
2021-04-27
Active, closed
Janssen Research & Development, LLC
Phase 1
140
Alabama, California, Colorado, Georgia, Indiana, Missouri, New Jersey, New York
2021-03-12
Active, closed
Janssen Research & Development, LLC
Phase 1/2
228
Alabama, Arkansas, Colorado, Georgia, Minnesota, Missouri, New York, North Carolina
2020-12-15
Active, closed
Janssen Research & Development, LLC
Phase 3
419
Alabama, Arizona, California, Colorado, Connecticut, Florida, Iowa, Kansas
2020-06-12
Active, closed
GlaxoSmithKline
Phase 3
494
Arizona, Colorado, Kansas, Ohio, Texas
2020-05-07
Active, closed
GlaxoSmithKline
Phase 3
325
Arizona, Colorado, Michigan, Nebraska, New York, Ohio, Oregon, Texas
2020-04-02
Active, closed
Celgene
Phase 1/2
424
Colorado, Florida, Georgia, Illinois, Massachusetts, Michigan, Minnesota, New Jersey
2019-09-30
Active, closed
CARsgen Therapeutics Co., Ltd.
Phase 1/2
105
Arizona, California, Colorado, Florida, Massachusetts, Minnesota, Tennessee, Texas
2019-09-25
Active, closed
Poseida Therapeutics, Inc.
Phase 1
100
California, Colorado, Illinois, Kansas, Maryland, Michigan, Pennsylvania, Tennessee
2018-10-29
Active, closed
AbbVie
Phase 3
265
Arizona, California, Colorado, Florida, Kentucky, Maryland, Massachusetts, Michigan
2018-10-22
Active, closed
AbbVie
Phase 2
156
Colorado, Florida, Georgia, Illinois, Massachusetts, New Jersey, New York, North Carolina
2018-04-02
Recruiting
Karyopharm Therapeutics Inc
Phase 1/2
300
Arizona, California, Colorado, Massachusetts, Nebraska, New Jersey, New York, North Carolina
2015-10
Rows per page Showing 1–41 of 41
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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/colorado

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 10 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 41 of those studies with a site in Colorado that also match the filters currently applied.

How many clinical trials are recruiting in Colorado?

20 of the 41 studies on this page are recruiting new participants as of the 10 Oct 2026, 03:16 UTC sync. A further 0 have not yet opened recruitment, 21 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 (Colorado), 41 studies
PhaseStudiesRecruitingShare
Phase 313531.7%
Phase 111626.8%
Phase 1/28419.5%
Phase 27317.1%
Phase 2/3112.4%
Phase 4112.4%

Most active sponsors

Lead sponsors with the most studies (Colorado)
Lead sponsorStudiesRecruiting
Janssen Research & Development, LLC115
AbbVie85
GlaxoSmithKline31
Pfizer33
Celgene20
Kite, A Gilead Company20
AstraZeneca11
Bristol-Myers Squibb10
C4 Therapeutics, Inc.10
CARsgen Therapeutics Co., Ltd.10
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.