California is currently home to 5588 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 Phase 3 Study to Evaluate Petosemtamab Plus Pembrolizumab vs Pembrolizumab in First-line Treatment of Head and Neck Cancer (LiGeR - HN1)
NCT06525220
Recruiting
This is a Phase 3 randomized, open-label study to evaluate the efficacy and safety of petosemtamab plus pembrolizumab vs pembrolizumab in first-line treatment of recurrent or metastatic PD-L1+ head and neck squamous cell carcinoma.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/23/2025
Locations: Site 36, La Jolla, California
Conditions: Head and Neck Squamous Cell Carcinoma
Register for Updates
A Phase 2 Study of WU-CART-007, an Anti-CD7 Allogeneic CAR-T Cell Therapy in T-Cell Acute Lymphoblastic Leukemia and Lymphoblastic Lymphoma
NCT06514794
Recruiting
The main purpose of this study is to evaluate the Composite Complete Remission Rate (CRc) of WU-CART-007 in Relapsed/Refractory (R/R) T-Cell Acute Lymphoblastic Leukemia (T-ALL)/Lymphoblastic Lymphoma (LBL) patients and to evaluate the efficacy of WU-CART-007 to induce complete Minimum Residual Disease (MRD) negative response
Gender:
ALL
Ages:
1 year and above
Trial Updated:
06/23/2025
Locations: City of Hope, Duarte, California
Conditions: T-cell Acute Lymphoblastic Leukemia, Lymphoblastic Lymphoma
Register for Updates
Targeted Investigation of Microbiome 2 Treat Atopic Dermatitis (TIME-2)
NCT06504160
Recruiting
This is a Phase 1b, randomized, placebo/vehicle-controlled, double-blinded, multi-center trial. It is designed to assess the safety and efficacy of S. hominis A9 (ShA9) topical application as a treatment for atopic dermatitis (AD). The trial will enroll adults and adolescents with atopic dermatitis who are culture positive for S. aureus colonization. The primary safety objective of this study is to compare the safety profile of ShA9 to placebo (vehicle) over 14 weeks of application, which inclu... Read More
Gender:
ALL
Ages:
12 years and above
Trial Updated:
06/23/2025
Locations: University of California, San Diego: Dermatology Clinical Trials Unit, San Diego, California
Conditions: Atopic Dermatitis
Register for Updates
Study of Sacituzumab Govitecan Versus Treatment of Physician's Choice in Participants With Endometrial Cancer After Platinum-Based Chemotherapy and Immunotherapy (ASCENT-GYN-01/GOG-3104/ENGOT-en26)
NCT06486441
Recruiting
The goal of this clinical study is to find out how the study drug, sacituzumab govitecan (SG) works in participants with endometrial cancer who have received prior treatment with platinum-based chemotherapy and immunotherapy, versus the treatment of physician's choice (TPC). The primary objectives of this study are to evaluate the effect of SG compared to TPC on progression-free survival (PFS) as assessed by blinded independent central review (BICR) and overall survival (OS).
Gender:
FEMALE
Ages:
18 years and above
Trial Updated:
06/23/2025
Locations: City of Hope, Duarte, California
Conditions: Endometrial Cancer
Register for Updates
Phase 3 Study of T-DXd and Rilvegostomig Versus SoC in Advanced HER2-expressing Biliary Tract Cancer
NCT06467357
Recruiting
The purpose of this study is to measure the efficacy and safety of T-DXd with rilvegostomig or T-DXd monotherapy compared with gemcitabine plus cisplatin and durvalumab in patients with advanced treatment naïve HER2-expressing BTC.
Gender:
ALL
Ages:
Between 18 years and 99 years
Trial Updated:
06/23/2025
Locations: Research Site, Fullerton, California
Conditions: Biliary Tract Cancer
Register for Updates
A Study Describing the Efficacy and Safety of Belimumab Administered in Adult Participants With Early Systemic Lupus Erythematosus (SLE)
NCT06411249
Recruiting
This is a prospective, open-label, single arm 3-year clinical study to describe the short-term and long-term efficacy and safety of belimumab in participants with autoantibody positive early SLE with ongoing disease activity despite stable initial SLE therapy.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/23/2025
Locations: GSK Investigational Site, Covina, California
Conditions: Systemic Lupus Erythematosus
Register for Updates
Phase 1 Study of GEN2 in Patients With Advanced Solid Tumors
NCT06391918
Recruiting
Protocol GVO-1102 is a phase 1, open label, multi-center study in adult patients with locally advanced or metastatic solid tumors. This study includes two parts: dose escalation and dose expansion. In the dose escalation phase, GEN2 will be administered at increasing dose levels via intravenous infusion or intratumoral injection on Days 1, 3 and 8 every 4 weeks. Valganciclovir will start dosing on Day 12 and continue for 10 days (through Day 21). Once a recommended dose has been defined in appro... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/23/2025
Locations: City of Hope, Duarte, California
Conditions: Solid Tumor, Adult
Register for Updates
Exploring, Predicting, and Intervening on Long-term Viral Suppression Electronically
NCT06370780
Recruiting
Despite the widespread availability of effective antiretroviral therapy (ART) in the United States, there remains significant numbers of people living with HIV (PLWH) who fail to achieve and or maintain viral suppression (VS). Disparities persist with the lowest levels of VS among Black individuals, people who use drugs, youth ages 18-24 and people residing in rural areas. Investigators will examine the syndemics underlying these outcomes including substance use, mental health, and barriers to H... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/23/2025
Locations: University of California, Los Angeles, Los Angeles, California
Conditions: HIV Infections
Register for Updates
A Study to Assess the Efficacy, Safety, and Pharmacokinetics of FNP-223 to Slow Progression of Progressive Supranuclear Palsy (PSP)
NCT06355531
Recruiting
PROSPER trial is a trial to assess the efficacy of FNP-223 in slowing disease progression in participants with PSP as measured by the PSP Rating Scale (PSPRS) over 52 weeks and to assess the safety and tolerability of FNP-223 for 52 weeks in participants with PSP.
Gender:
ALL
Ages:
Between 50 years and 80 years
Trial Updated:
06/23/2025
Locations: The Neurology Center of Southern California - Carlsbad, Carlsbad, California
Conditions: Progressive Supranuclear Palsy
Register for Updates
A Study of EDG-7500 in Adults With Hypertrophic Cardiomyopathy (CIRRUS-HCM)
NCT06347159
Recruiting
This study is being conducted in order to understand the safety and effects of different doses of EDG-7500 as a single dose in adults with obstructive hypertrophic cardiomyopathy (oHCM) and as multiple doses in adults with obstructive or nonobstructive hypertrophic cardiomyopathy (nHCM).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/23/2025
Locations: University of California, San Francisco, San Francisco, California
Conditions: Hypertrophic Cardiomyopathy
Register for Updates
Study of GS-1427 in Participants With Moderately to Severely Active Ulcerative Colitis
NCT06290934
Recruiting
The goal of this study is to learn if GS-1427 is effective in treating participants with moderate to severe ulcerative colitis. The study will compare participants in different treatment groups treated with GS-1427 with participants treated with placebo. The primary objective of this study is to assess the efficacy of GS-1427, compared with placebo control, in achieving clinical response at Week 12.
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
06/23/2025
Locations: Om Research LLC, Camarillo, California
Conditions: Ulcerative Colitis
Register for Updates
A Study of MGC026 in Participants With Advanced Solid Tumors
NCT06242470
Recruiting
The study is designed to understand the safety, tolerability, pharmacokinetics, immunogenicity, and preliminary antitumor activity of MGC026 in participants with relapsed or refractory, unresectable, locally advanced or metastatic solid tumors The study has a dose escalation portion and a cohort expansion portion of the study. Participants will receive MGC026 by intravenous (IV) infusion. The dose of MGC026 will be assigned at the time of enrollment. Participants may receive up to 35 treatments... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/23/2025
Locations: The Angeles Clinic and Research Institute, Los Angeles, California
Conditions: Advanced Solid Tumor, Advanced Cancer, Metastatic Cancer, Squamous Cell Carcinoma of Head and Neck, Non Small Cell Lung Cancer, Small-cell Lung Cancer, Bladder Cancer, Sarcoma, Endometrial Cancer, Melanoma, Castration Resistant Prostatic Cancer, Cervical Cancer, Colorectal Cancer, Gastric Cancer, Gastro-esophageal Cancer, Pancreas Cancer, Clear Cell Renal Cell Carcinoma, Hepatocellular Carcinoma, Platinum-resistant Ovarian Cancer, Breast Cancer, Ovarian Cancer, Esophageal Squamous Cell Cancer (SCC)
Register for Updates