California is currently home to 5610 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.
Double-blind, Randomized, Placebo-controlled, Multicenter Study to Evaluate the Efficacy and Safety of Ravulizumab Administered Intravenously in Adult Participants at High Risk of Delayed Graft Function After Kidney Transplantation
Recruiting
The primary objective of this study is to demonstrate the efficacy of ravulizumab vs placebo in reducing the severity of DGF as measured by time to freedom from dialysis in adult participants who are at high risk of DGF after undergoing transplant of deceased donor kidney.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/07/2025
Locations: Research Site, Los Angeles, California
Conditions: Delayed Graft Function, DGF, Kidney Transplant
Non-healing Venous Leg Ulcers Treated With Standard Care With or Without BR-AC
Recruiting
This study examines a patient population with a non-healing, non-infected venous leg ulcer (VLU) having adequate arterial perfusion with confirmed venous reflux. It is hypothesized that weekly applications of the human placental allograft BioREtain® Amnion Chorion (BR-AC) applied to a non-healing VLU will result in a higher proportion of wounds showing complete healing within 12 weeks of initiating therapy, compared to standard care alone. This study has a crossover period, where subjects on st... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/07/2025
Locations: Site 2b, Castro Valley, California
Conditions: Non-infected Venous Leg Ulcer, Venous Leg Ulcer, Venous Insufficiency, Venous Stasis, Venous Reflux
BGB-21447 (Bcl-2 Inhibitor) Combinations for Adults With Hormone-Receptor Positive (HR+)/Human Epidermal Growth Factor Receptor 2 Negative (HER2-) Metastatic Breast Cancer
Recruiting
The purpose of this study is to assess the safety and tolerability of BGB-21447 (a B-cell leukemia/lymphoma 2 inhibitor, Bcl-2i) in combination with fulvestrant, with or without BGB-43395 (cyclin-dependent kinase 4 inhibitor, CDK4i), in adults with HR+/HER2- metastatic breast cancer.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/07/2025
Locations: Hoag Memorial Presbyterian, Newport Beach, California
Conditions: Hormone-receptor-positive Breast Cancer, HER2-negative Breast Cancer, Metastatic Breast Cancer
Polycystic Kidney Disease 1 (PKD1) Gene Variant Groups in Autosomal Dominant Polycystic Kidney Disease
Recruiting
The purpose of this study is to estimate the prevalence, demographic, and clinical characteristics of PKD1/2 gene variant groups in the ADPKD population.
Gender:
ALL
Ages:
Between 12 years and 65 years
Trial Updated:
05/07/2025
Locations: Kaiser Permanente - Los Angeles Medical Center, Los Angeles, California
Conditions: Autosomal Dominant Polycystic Kidney Disease (ADPKD)
Comparison Between ABP 692 and Ocrevus® (Ocrelizumab)
Recruiting
The main objectives of the study are to demonstrate pharmacokinetics (PK) similarity between ABP 692 and Ocrelizumab (US), and ABP 692 and Ocrelizumab (EU), and to demonstrate pharmacodynamics (PD) similarity between ABP 692 and Ocrelizumab reference product (RP) based on assessment of the suppression of new active brain lesions over 24 weeks as assessed by magnetic brain imaging (MRI).
Gender:
ALL
Ages:
Between 18 years and 60 years
Trial Updated:
05/07/2025
Locations: Profound Research - Neurology Center of Southern California, Carlsbad, California
Conditions: Relapsing-remitting Multiple Sclerosis (RRMS)
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:
05/07/2025
Locations: City of Hope National Medical Center, Duarte, California
Conditions: Metastatic Castration-resistant Prostate Cancer
A Randomized, Double-Blind, Placebo-Controlled Trial on Efficacy and Safety of Fluticasone Propionate/Albuterol Sulfate Combination in Participants 12 Years and Older With Asthma
Recruiting
The primary objective of the trial is to evaluate the efficacy of fluticasone propionate/albuterol sulfate multidose dry powder inhaler with electronic module (Fp/ABS eMDPI). Secondary objectives are: * To evaluate the efficacy of Fp/ABS eMDPI administered four times daily * To evaluate the safety and tolerability of Fp/ABS eMDPI administered four times daily over four weeks * To investigate the pharmacokinetics of Fp/ABS eMDPI, ABS eMDPI and Fp eMDPI after administration of a single dose The... Read More
Gender:
ALL
Ages:
12 years and above
Trial Updated:
05/07/2025
Locations: Teva Investigational Site 12103, Huntington Beach, California
Conditions: Asthma
A Study to Investigate Safety and Effectiveness of BGB-16673 in Combination With Other Agents in Participants With Relapsed or Refractory B-Cell Malignancies
Recruiting
The purpose of this study is to measure the safety, preliminary antitumor activity, pharmacokinetics, and pharmacodynamics with BGB-16673 in combination with other agents in participants with relapsed or refractory (R/R) B-cell malignancies. This study is structured as a master protocol with separate substudies. This study currently includes four substudies, and more substudies may be added as other combination agents are identified.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/07/2025
Locations: University of Southern Californianorris Comprehensive, Los Angeles, California
Conditions: B-cell Malignancy, Relapsed Cancer, Refractory Cancer, B-cell Lymphoma
A Study of BG-C477 in Participants With Advanced Solid Tumors
Recruiting
The purpose of this study is to evaluate the safety, tolerability, pharmacokinetics, pharmacodynamics, and preliminary antitumor activity of BG-C477 alone and in combination with anticancer agents in participants with selected advanced solid tumors.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/07/2025
Locations: City of Hope National Medical Center, Duarte, California
Conditions: Advanced Solid Tumors
A Study to Assess the Efficacy and Safety of RO7790121 for Induction and Maintenance Therapy in Participants With Moderately to Severely Active Ulcerative Colitis
Recruiting
This Phase III, multicenter, double-blind, placebo-controlled, treat-through study will evaluate the efficacy and safety of RO7790121 compared with placebo in participants with moderately to severely active ulcerative colitis (UC).
Gender:
ALL
Ages:
Between 16 years and 80 years
Trial Updated:
05/07/2025
Locations: University of California Irvine, Orange, California
Conditions: Moderately to Severely Active Ulcerative Colitis
STEP TEENS Weight Maintenance: A Research Study on How Well Semaglutide Helps Teenagers With Excess Body Weight to Lose Weight and Maintain Weight Loss
Recruiting
The study is testing how well semaglutide can help adolescents with excess body weight to lose weight and to maintain weight loss. All participants in the study will receive semaglutide as a weekly injection. The study medicine is injected with a thin needle in the stomach, thighs or upper arms. All participants will get semaglutide treatment for a minimum of 3 years.
Gender:
ALL
Ages:
Between 12 years and 15 years
Trial Updated:
05/07/2025
Locations: Neighborhood Healthcare, Escondido, California
Conditions: Obesity
A Study to Test if TEV-56286 is Effective in Relieving Multiple System Atrophy (MSA): A Safety and Efficacy Study
Recruiting
The primary objective of the study is to evaluate the efficacy of TEV-56286 administered orally for the treatment of adult participants with Multiple System Atrophy (MSA). A secondary objective of the study is to evaluate specific efficacy parameters of TEV-56286. Another secondary objective is to evaluate the safety and tolerability of TEV-56286. The planned study period per participant is 56 weeks including a screening period (up to 4 weeks), a 48-week double-blind treatment period, and a f... Read More
Gender:
ALL
Ages:
30 years and above
Trial Updated:
05/07/2025
Locations: Teva Investigational Site 15554, La Jolla, California
Conditions: Multiple System Atrophy