California is currently home to 5616 active clinical trials, seeking participants for engagement in research studies. These trials take place at a variety of cities in the state, including Los Angeles, San Francisco, San Diego and Sacramento. Whether you're a healthy volunteer interested in paid medical research or someone seeking trials related to a specific condition, the state offers a diverse array of opportunities in your vicinity.
A Study to Investigate Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of AZD4248 in Healthy Participants and Participants With Chronic Kidney Disease and Type 2 Diabetes and to Assess Home Measurements of Creatinine in a Non Interventional Cohort
Recruiting
This study will evaluate safety, tolerability, pharmacokinetics (PK), and pharmacodynamics (PD) of single ascending doses (SAD) and multiple ascending doses (MAD) of AZD4248 administered as an oral solution and intravenous (IV) infusion. Additionally, the study investigates the non-interventional feasibility of home measurement of serum creatinine in participants with diabetic kidney disease (DKD).
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
08/14/2025
Locations: Research Site, Glendale, California
Conditions: Chronic Kidney Disease
A Study of INCB123667 in Participants With Platinum-Resistant Ovarian Cancer With Cyclin E1 Overexpression
Recruiting
This study will evaluate the safety and efficacy of INCB123667 in Participants With Platinum-Resistant Ovarian Cancer (PROC) With Cyclin E1 Overexpression.
Gender:
FEMALE
Ages:
Between 18 years and 99 years
Trial Updated:
08/14/2025
Locations: University of California, Los Angeles Medical Center, Los Angeles, California
Conditions: Ovarian Cancer
A Study of CC-97540 (BMS-986353), CD19-Targeted NEX-T CAR T Cells, in Participants With Active SLE Despite Immunosuppressants (Breakfree-SLE)
Recruiting
The purpose of this study is to evaluate the efficacy, safety and drug levels of CC-97540 in participants with active systemic lupus erythematosus (SLE) including lupus nephritis with inadequate response to glucocorticoids and at least 2 immunosuppressants.
Gender:
ALL
Ages:
16 years and above
Trial Updated:
08/14/2025
Locations: Local Institution - 0038, Los Angeles, California
Conditions: Lupus Erythematosus, Systemic, Lupus Nephritis
A Phase 3 Study to Evaluate the Safety and Efficacy of KarXT + KarX-EC for the Treatment of Agitation Associated With Alzheimer's Disease (ADAGIO-2)
Recruiting
The purpose of this study is to evaluate the efficacy and safety of KarXT + KarX-EC in adult participants with agitation related to Alzheimer's Disease.
Gender:
ALL
Ages:
Between 55 years and 90 years
Trial Updated:
08/14/2025
Locations: Local Institution - 2625, Long Beach, California
Conditions: Alzheimer Disease
A Phase 3 Study to Evaluate the Safety and Efficacy of KarXT + KarX-EC for the Treatment of Agitation Associated With Alzheimer's Disease (ADAGIO-1)
Recruiting
The purpose of this study is to evaluate the efficacy and safety of KarXT + KarX-EC in adult participants with agitation related to Alzheimer's Disease.
Gender:
ALL
Ages:
Between 55 years and 90 years
Trial Updated:
08/14/2025
Locations: Local Institution - 1657, Anaheim, California
Conditions: Alzheimer Disease
A Study to Investigate Safety, Tolerability, Pharmacokinetics, Pharmacodynamics and Immunogenicity of AZD1613 in Healthy Participants.
Recruiting
The purpose of the study is to assess the safety, tolerability, pharmacokinetics (PK), pharmacodynamics (PD), and immunogenicity of AZD1613 in healthy participants, including Japanese and Chinese descent.
Gender:
ALL
Ages:
Between 18 years and 50 years
Trial Updated:
08/14/2025
Locations: Research Site, Glendale, California
Conditions: Healthy
A Study of Disitamab Vedotin in Adults With HER2 Expressing Advanced Breast Cancer
Recruiting
The purpose of this clinical study is to learn about the safety and effects of the study medicine (called disitamab vedotin) for the possible treatment of people with breast cancer that is hard to treat and has spread in the body (advanced cancer). This study is seeking participants who: * have breast cancer that is hard to treat and has spread in the body (advanced cancer) * have tumors that have HER2 on them * have received previous treatment for their advanced breast cancer All participant... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/14/2025
Locations: Los Angeles Cancer Network, Anaheim, California
Conditions: Breast Cancer, Breast Neoplasms
A Study to Investigate Safety, Tolerability, Pharmacokinetics (PK), Pharmacodynamics (PD), and Immunogenicity of RO7669330 in Participants With Geographic Atrophy (GA) Secondary to Age-related Macular Degeneration (AMD)
Recruiting
The main purpose of this study is to assess the ocular and systemic safety and tolerability of RO7669330 in GA secondary to AMD after multiple unilateral intravitreal (IVT) doses.
Gender:
ALL
Ages:
55 years and above
Trial Updated:
08/14/2025
Locations: Retina-Vitreous Associates Medical Group, Beverly Hills, California
Conditions: Geographic Atrophy, Age-related Macular Degeneration
Study to Evaluate the Efficacy and Safety of Ruxolitinib Cream in Participants With Hidradenitis Suppurativa (TRuE-HS1)
Recruiting
The purpose of this study is to evaluate the efficacy and safety of ruxolitinib cream in participants with hidradenitis suppurativa.
Gender:
ALL
Ages:
12 years and above
Trial Updated:
08/14/2025
Locations: Investigative Site US055, Brea, California
Conditions: Hidradenitis Suppurativa
Study to Evaluate the Efficacy and Safety of Ruxolitinib Cream in Participants With Hidradenitis Suppurativa (TRuE-HS2)
Recruiting
The purpose of this study is to evaluate the efficacy and safety of ruxolitinib cream in participants with hidradenitis suppurativa.
Gender:
ALL
Ages:
12 years and above
Trial Updated:
08/14/2025
Locations: Investigative Site US262, Encino, California
Conditions: Hidradenitis Suppurativa
A Study to Learn More About the Effects and Long-Term Safety of BIIB141 (Omaveloxolone) in Participants With Friedreich's Ataxia Aged 2 to 15 Years Old
Recruiting
In this study, researchers will learn more about the effects and safety of BIIB141, also known as omaveloxolone or SKYCLARYS®. This drug has been approved, or made available for doctors to prescribe, for people with Friedreich's Ataxia (FA) who are at least 16 years old. But, it is not yet available for children and teens with FA who are younger than 16 years old. The main objective of this study is to learn how BIIB141 works in the body and about its safety in children and teens who are 2 to 15... Read More
Gender:
ALL
Ages:
Between 2 years and 15 years
Trial Updated:
08/14/2025
Locations: UCLA Neurology Outpatient Clinic at Westwood, Los Angeles, California
Conditions: Friedreich Ataxia
A Study to Assess the Long-term Safety of KarXT for the Treatment of Manic Episodes in Bipolar-I Disorder (BALSAM-3)
Recruiting
This is a phase 3, open-label extension study to assess the long-term safety of KarXT for the treatment of mania or mania with mixed features in Bipolar-I disorder (BP-I) The primary objective of the study is to evaluate the long-term safety and tolerability of KarXT in the treatment of participants with mania or mania with mixed features associated with BP-I.
Gender:
ALL
Ages:
Between 18 years and 65 years
Trial Updated:
08/14/2025
Locations: Local Institution - 0027, Anaheim, California
Conditions: Bipolar Disorder Type I With Mania