California is currently home to 5798 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.
Phase 3 Study of Xaluritamig vs Cabazitaxel or Second Androgen Receptor-Directed Therapy in Participants With Progressive Metastatic Castration-Resistant Prostate Cancer
Recruiting
The main objective of the study is to compare overall survival in participants receiving xaluritamig versus investigator's choice (cabazitaxel or second androgen receptor-directed therapy \[ARDT\]).
Gender:
MALE
Ages:
18 years and above
Trial Updated:
03/12/2025
Locations: City of Hope National Medical Center, Duarte, California
Conditions: Metastatic Castration-resistant Prostate Cancer
A Study of Maridebart Cafraglutide in Adult Participants With Type 2 Diabetes Mellitus (T2DM)
Recruiting
The main purpose of this study is to assess the dose-response relationship of maridebart cafraglutide on glucose control compared with placebo.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
03/12/2025
Locations: Anaheim Clinical Trials, Anaheim, California
Conditions: Type 2 Diabetes Mellitus (T2DM)
A Study to Evaluate the Efficacy and Safety of Bimekizumab in Adult Study Participants With Active Psoriatic Arthritis
Recruiting
The purpose of the study is to compare the efficacy of bimekizumab versus risankizumab after 16 weeks of treatment in study participants with active psoriatic arthritis (PsA).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
03/12/2025
Locations: Pa0016 50654, Covina, California
Conditions: Psoriatic Arthritis
A Study to Investigate the Safety and Efficacy of mRNA-1403 in Participants ≥18 Years of Age for the Prevention of Acute Gastroenteritis
Recruiting
The primary objectives of this study are to evaluate the safety and reactogenicity of mRNA-1403, and to demonstrate the efficacy of mRNA-1403 to prevent protocol-defined moderate or severe norovirus acute gastroenteritis (AGE) associated with vaccine matched genotypes.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
03/12/2025
Locations: ARK Clinical Research, LLC, Fountain Valley, California
Conditions: Acute Gastroenteritis, Norovirus Acute Gastroenteritis
A Trial to Evaluate Efficacy and Safety of Buloxibutid in People With Idiopathic Pulmonary Fibrosis.
Recruiting
The ASPIRE trial is a 52 week randomized, double-blind, placebo-controlled, parallel-group, multicenter trial in which the efficacy, safety, and pharmacokinetics of orally administered buloxibutid, either on top of stable IPF therapy or as monotherapy, are assessed in participants with IPF. Trial website: www.aspire-ipf.com
Gender:
ALL
Ages:
40 years and above
Trial Updated:
03/12/2025
Locations: Paradigm Clinical Research, La Mesa, California
Conditions: Idiopathic Pulmonary Fibrosis (IPF)
A Study to Evaluate KarXT as a Treatment for Psychosis Associated With Alzheimer's Disease (ADEPT-4)
Recruiting
The purpose of this study is to evaluate the safety and efficacy of KarXT in adult participants with mild to severe Alzheimer's Disease (AD) with moderate to severe psychosis related to AD.
Gender:
ALL
Ages:
Between 55 years and 90 years
Trial Updated:
03/12/2025
Locations: Advanced Research Center, Inc., Anaheim, California
Conditions: Alzheimer Disease
A Phase 3, Placebo-controlled, Double-blind Study Assessing Rocatinlimab in Prurigo Nodularis
Recruiting
The main objective of the study will be to evaluate the efficacy of rocatinlimab compared with placebo at week 24 on the patient-reported outcome (PRO) measure of pruritus and overall clinical assessment score (US only).
Gender:
ALL
Ages:
Between 18 years and 100 years
Trial Updated:
03/12/2025
Locations: First OC Dermatology, Fountain Valley, California
Conditions: Prurigo Nodularis
A Study to Evaluate the Effect of Bimekizumab on Gene Expression Biomarkers in Study Participants With Moderate to Severe Plaque Psoriasis
Recruiting
The purpose of this study is to evaluate the effect of bimekizumab on gene expression biomarkers at Week 48 in a subset of study participants with moderate to severe plaque psoriasis (PSO) and moderate to severe plaque PSO with concomitant active psoriatic arthritis (PsA) who have provided skin biopsies for reverse transcription-polymerase chain reaction (RT-PCR).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
03/12/2025
Locations: Ps0039 50162, Fountain Valley, California
Conditions: Moderate to Severe Plaque Psoriasis, Psoriatic Arthritis
Measuring if Immunotherapy Plus Chemotherapy is Better Than Chemotherapy Alone for Patients With Aggressive Poorly Differentiated Sarcomas
Recruiting
This phase II trial compares the effect of immunotherapy (pembrolizumab) plus chemotherapy (doxorubicin) to chemotherapy (doxorubicin) alone in treating patients with undifferentiated pleomorphic sarcoma (UPS) or a related poorly differentiated sarcoma that has spread from where it first started (primary site) to other places in the body (metastatic) or that cannot be removed by surgery (unresectable). Doxorubicin is in a class of medications called anthracyclines. Doxorubicin damages the cell's... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
03/12/2025
Locations: Kaiser Permanente Dublin, Dublin, California
Conditions: Stage III Soft Tissue Sarcoma of the Trunk and Extremities AJCC v8, Stage IV Soft Tissue Sarcoma of the Trunk and Extremities AJCC v8, Metastatic Undifferentiated Pleomorphic Sarcoma, Unresectable Undifferentiated Pleomorphic Sarcoma
A Study to Investigate Safety, Tolerability, and Pharmacokinetics of Oral AZD0233 Compared With Placebo in Healthy Adult Participants.
Recruiting
The purpose of this study is to assess the safety, tolerability, and pharmacokinetics of AZD0233 following single and multiple ascending dose (SAD and MAD) administration in healthy participants.
Gender:
ALL
Ages:
Between 18 years and 50 years
Trial Updated:
03/12/2025
Locations: Research Site, Glendale, California
Conditions: Dilated Cardiomyopathy
Study to Compare the Effectiveness and Safety of Golcadomide Plus R-CHOP vs Placebo Plus R-CHOP in Participants With Previously Untreated High-risk Large B-cell Lymphoma
Recruiting
The purpose of this study is to compare the effectiveness and safety of golcadomide in combination with rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP) chemotherapy vs placebo in combination with R-CHOP chemotherapy in participants with previously untreated high-risk large B-cell lymphoma (LBCL).
Gender:
ALL
Ages:
Between 18 years and 80 years
Trial Updated:
03/12/2025
Locations: Local Institution - 0342, San Francisco, California
Conditions: Large B-cell Lymphoma
Phase III, Open-label Study of First-line Osimertinib With or Without Datopotamab Deruxtecan for EGFRm Locally Advanced or Metastatic Non-small Cell Lung Cancer
Recruiting
The purpose of this study is to evaluate efficacy and safety of osimertinib (tablet) in combination with Datopotamab Deruxtecan (i.v. infusion) compared with osimertinib (tablet) monotherapy as a first-line therapy in participants with locally advanced or metastatic EGFRm (Ex19del and/or L858R) NSCLC. Study details include: 1. The study duration will be event-driven, with an estimated duration of approximately 9 years. 2. Participants may receive study treatment until disease progression, unac... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
03/12/2025
Locations: Research Site, Los Alamitos, California
Conditions: Non-small Cell Lung Cancer