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

Clinical Trials in California, 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 9159 matching records are in this view (non-industry sponsors are out of scope by design, not truncated). Synced 25 Oct 2026, 03:16 UTC
9159
Studies in scope
industry-sponsored, all four open statuses
4969
Recruiting now
open to new participants
2198
Lead sponsors
across recruiting studies
Top states
California 17 Florida 17 Massachusetts 9 Illinois 9 New York 8
Narrow the registerReset
Recruitment status
Phase
Lead sponsor
Loxo Oncology, Inc.5 BeOne Medicines2 Janssen Research & Development, LLC2 Merck Sharp & Dohme LLC1 ArQule, Inc., a subsidiary of Merck Sharp & Dohme LLC, a subsidiary of Merck & Co., Inc. (Rahway, NJ USA)1
State
California17 Florida17 Massachusetts9 Illinois9 New York8
All 38 states
Target enrolment
to

Trials with a site in California

17 of 9159 studies
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Status
Study
Lead sponsor
Phase
Enrol
US states
Start
Recruiting
BeOne Medicines
Phase 3
500
Alabama, Arizona, California, Delaware, District of Columbia, Florida, Illinois, Iowa
2025-09-04
Recruiting
BeOne Medicines
Phase 3
630
California, Colorado, Connecticut, Florida, Illinois, Iowa, Kentucky, Louisiana
2025-06-11
Recruiting
Gene Therapy for CD19-Positive Hematologic Malignancies (SENTRY-CD19)
NCT06533579B-cell Acute Lymphoblastic Leukemia, Large B-cell Lymphoma, Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma
Vironexis Biotherapeutics Inc.
Phase 1/2
32
California, Colorado, Florida, Minnesota, New York, North Carolina, Ohio, Oregon
2025-05-30
Active, closed
AbbVie
Phase 1
4
California, Montana, North Carolina, Texas
2025-01-27
Recruiting
Loxo Oncology, Inc.
Phase 2
249
Arizona, California, Colorado, Florida, Georgia, Iowa, Kentucky, Maryland
2025-01-03
Active, closed
Janssen Research & Development, LLC
Phase 2
333
California, Colorado, Florida, Idaho, Illinois, Iowa, Minnesota, Missouri
2024-05-30
Recruiting
Merck Sharp & Dohme LLC
Phase 3
1,200
Alabama, Arizona, California, Colorado, Connecticut, Florida, Idaho, Indiana
2023-12-13
Recruiting
AS-1763 in Patients With Previously Treated CLL/SLL or Non-Hodgkin Lymphoma
NCT05602363B-cell Malignancy, Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma, Waldenstrom Macroglobulinemia
Carna Biosciences, Inc.
Phase 1
120
California, Florida, Illinois, Indiana, Maryland, Massachusetts, New York, North Carolina
2023-08-01
Recruiting
A Study of Pirtobrutinib (LOXO-305) Versus Ibrutinib in Participants With Chronic Lymphocytic Leukemia (CLL)/Small Lymphocytic Lymphoma (SLL)
NCT05254743Chronic Lymphocytic Leukemia, Leukemia, Lymphocytic, Leukemia, B-cell, Small Lymphocytic Lymphoma
DrugsPirtobrutinib·Ibrutinib
Loxo Oncology, Inc.
Phase 3
737
California, Florida, Louisiana, Maryland, Montana, Pennsylvania, South Carolina, Tennessee
2022-07-22
Active, closed
Loxo Oncology, Inc.
Phase 3
282
California, Florida, New Jersey, New York
2021-09-23
Active, closed
Loxo Oncology, Inc.
Phase 3
600
Arizona, California, Connecticut, Florida, Iowa, Kentucky, Maryland, Massachusetts
2021-09-20
Active, closed
Loxo Oncology, Inc.
Phase 3
238
Alabama, Arizona, California, Colorado, Delaware, Florida, Georgia, Illinois
2021-03-09
Active, closed
Safety and Efficacy Study of Epcoritamab in Subjects With Relapsed/Refractory Chronic Lymphocytic Leukemia and Richter's Syndrome
NCT04623541Relapsed/Refractory Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma, Richter's Syndrome, Treatment-naïve High Risk Chronic Lymphocytic Leukemia
DrugsEpcoritamab·Pirtobrutinib·Lenalidomide·Venetoclax
Genmab
Phase 1/2
194
Alabama, California, Florida, Maryland, Massachusetts, Michigan, New Jersey, New York
2020-11-25
Active, closed
Phase I/II Study of Rapcabtagene Autoleucel in CLL, 3L+ DLBCL, r/r ALL and 1L HR LBCL
NCT03960840Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma, Diffuse Large B-cell Lymphoma, Acute Lymphoblastic Leukemia
DrugIbrutinib
Novartis Pharmaceuticals
Phase 1/2
217
California, Florida, Illinois, Kansas, Massachusetts, Pennsylvania, Tennessee, Texas
2019-06-26
Active, closed
Study of Iopofosine I-131 (CLR 131) in Select B-Cell Malignancies (CLOVER-1) With Expansion in Waldenstrom
NCT02952508Waldenstrom Macroglobulinemia, Multiple Myeloma, Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma
DrugCLR 131
Cellectar Biosciences, Inc.
Phase 2
120
California, District of Columbia, Florida, Georgia, Illinois, Kansas, Louisiana, Maryland
2017-07-26
Active, closed
A Study of Nemtabrutinib (MK-1026) in Participants With Relapsed or Refractory Hematologic Malignancies (ARQ 531-101/MK-1026-001)
NCT03162536Lymphoma, B-Cell, Small Lymphocytic Lymphoma, Chronic Lymphocytic Leukemia, Waldenstrom Macroglobulinemia
DrugNemtabrutinib
ArQule, Inc., a subsidiary of Merck Sharp & Dohme LLC, a subsidiary of Merck & Co., Inc. (Rahway, NJ USA)
Phase 1/2
190
Arizona, California, Colorado, Michigan, Minnesota, North Carolina, Ohio, Tennessee
2017-06-26
Active, closed
A Long-term Extension Study of PCI-32765 (Ibrutinib)
NCT01804686Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma, Mantle Cell Lymphoma, Follicular Lymphoma
DrugIbrutinib
Janssen Research & Development, LLC
Phase 3
539
California, Connecticut, Georgia, Illinois, Indiana, Kansas, Kentucky, Massachusetts
2013-09-09
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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 25 October 2026. https://priyalifescience.com/clinical-trials-usa/state/california

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: 9,159 studies in total at the last sync on 25 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 17 of those studies with a site in California that also match the filters currently applied.

How many clinical trials are recruiting in California?

7 of the 17 studies on this page are recruiting new participants as of the 25 Oct 2026, 03:16 UTC sync. A further 0 have not yet opened recruitment, 10 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 (California), 17 studies
PhaseStudiesRecruitingShare
Phase 38447.1%
Phase 1/24123.5%
Phase 23117.6%
Phase 12111.8%

Most active sponsors

Lead sponsors with the most studies (California)
Lead sponsorStudiesRecruiting
Loxo Oncology, Inc.52
BeOne Medicines22
Janssen Research & Development, LLC20
AbbVie10
ArQule, Inc., a subsidiary of Merck Sharp & Dohme LLC, a subsidiary of Merck & Co., Inc. (Rahway, NJ USA)10
Carna Biosciences, Inc.11
Cellectar Biosciences, Inc.10
Genmab10
Merck Sharp & Dohme LLC11
Novartis Pharmaceuticals10
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.