California is currently home to 5602 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 Test Different Doses of BI 1584862 in People With a Distinct Form of Age-related Macular Degeneration (AMD) Called Geographic Atrophy
Recruiting
This study is open to adults aged 50 years and older with geographic atrophy that was diagnosed by imaging of the retina. The purpose of this study is to find out whether a medicine called BI 1584862 improves the eyes in people with geographic atrophy and to find the most suitable dose. This study has 4 treatment groups. Participants are put into groups randomly, which means by chance. Initially participants can join a BI 1584862 and a placebo group; then more participants are put randomly in 2... Read More
Gender:
ALL
Ages:
50 years and above
Trial Updated:
08/20/2025
Locations: Retina-Vitreous Associates Medical Group, Beverly Hills, California
Conditions: Geographic Atrophy
Study of a 4-Dose Regimen of a 21-valent Pneumococcal Conjugate Vaccine in Healthy Infants From Approximately 2 Months of Age
Recruiting
This study is a Phase 3, randomized, modified double-blind study which aims to measure whether PCV21 vaccine (investigational pneumococcal conjugate vaccine) is safe and can help the body to develop germ-fighting agents called "antibodies" (immunogenicity) compared with 20-valent pneumococcal vaccine (Prevnar 20, licensed pneumococcal conjugate vaccine) when they are administered with routine pediatric vaccines in infants aged from approximately 2 months (42 to 89 days). The study duration per... Read More
Gender:
ALL
Ages:
Between 42 days and 89 days
Trial Updated:
08/20/2025
Locations: Century Research Institute- Site Number : 8400065, Huntington Park, California
Conditions: Pneumococcal Immunization
LIVERAGE™: A Study to Test Whether Survodutide Helps People With a Liver Disease Called NASH/MASH Who Have Moderate or Advanced Liver Fibrosis
Recruiting
This study is open to adults who are at least 18 years old living with obesity and have: * a confirmed liver disease called non-alcoholic steatohepatitis (NASH)/metabolic associated steatohepatitis (MASH) and * moderate or advanced liver fibrosis People with a history of acute or chronic liver diseases other than MASH or chronic alcohol intake cannot take part in this study. The purpose of this study is to find out whether a medicine called survodutide helps people with MASH and moderate or ad... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/20/2025
Locations: Clinnova Research Solutions, Anaheim, California
Conditions: Metabolic Dysfunction Associated Steatohepatitis (MASH), Liver Fibrosis
A Study to Test Whether Spesolimab Helps People With a Skin Condition Called Pyoderma Gangrenosum
Recruiting
The purpose of this study is to find out whether a medicine called spesolimab helps people with pyoderma gangrenosum (PG). The main aim is to see whether spesolimab leads to closure of PG ulcers. This study is open to adults with ulcerative PG with at least 1 ulcer that measures between 5 cm\^2 to 80 cm\^2 in size. This study has 2 parts. In Part 1, participants are put into groups randomly, which means by chance. 1 group gets spesolimab and the other group gets placebo. Placebo injections look... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/20/2025
Locations: University of California Irvine, Irvine, California
Conditions: Pyoderma Gangrenosum
A Phase 2 Study of AMG 193 in Participants With MTAP-deleted Advanced NSCLC (MTAPESTRY 201)
Recruiting
The main objective of the study is to characterize safety and efficacy of 2 dose levels of AMG 193 by investigator, and to evaluate AMG 193 monotherapy efficacy by Blinded Independent Central Review (BICR).
Gender:
ALL
Ages:
Between 18 years and 99 years
Trial Updated:
08/20/2025
Locations: City of Hope National Medical Center, Duarte, California
Conditions: MTAP-deleted NSCLC
Vorasidenib in Combination With Temozolomide (TMZ) in IDH-mutant Glioma
Recruiting
The objective of this study is to determine the safety and tolerability of vorasidenib in combination with temozolomide (TMZ) and to establish the recommended combination dose (RCD) of vorasidenib. The study will begin as a Phase Ib study to determine the RCD and then will transition to a Phase II study to assess the clinical efficacy of vorasidenib at the RCD in combination with TMZ. During the treatment period participants will have study visits on day 1 and 22 of each cycle, with additional v... Read More
Gender:
ALL
Ages:
12 years and above
Trial Updated:
08/20/2025
Locations: University of California Los Angeles, Los Angeles, California
Conditions: IDH1-mutant Glioma, IDH2-mutant Glioma
Belumosudil to Block Chronic Lung Allograft Dysfunction (CLAD) in High Risk Lung Transplant Recipients
Recruiting
The purpose of this study is to see if taking the study drug, Belumosudil, for 52 weeks in addition to your usual care and medication, will prevent Chronic Lung Allograft Dysfunction (CLAD) in participants who have a lung biopsy that shows evidence of rejection or inflammation to the transplanted lung(s). For this study, biopsies that show evidence of Acute Rejection (AR), Lymphocytic Bronchiolitis (LB), Organizing Pneumonia (OP) or Acute Lung Injury (ALI) are referred to as "Qualifying Biopsies... Read More
Gender:
ALL
Ages:
12 years and above
Trial Updated:
08/20/2025
Locations: University of California, Los Angeles (Site #: 71123), Los Angeles, California
Conditions: Lung Transplant
A Phase 2, Dose Ranging Study Assessing Rocatinlimab in Moderate-to-severe Asthma
Recruiting
The primary objective of this study is to describe the efficacy of rocatinlimab in reducing asthma exacerbations.
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
08/20/2025
Locations: Kern Research Inc, Bakersfield, California
Conditions: Asthma
Study of JK07 in Patients With Chronic Heart Failure
Recruiting
This is a Phase 2, randomized, double-blind, placebo-controlled, multiple dose study to assess the safety, tolerability, and efficacy of JK07 in participants aged 18-85 with heart failure. There will be 2 cohorts in this study: Cohort 1: Heart failure (HF) participants with left ventricular ejection fraction (LVEF) of ≤ 40%. Cohort 2: Heart failure (HF) participants with left ventricular ejection fraction (LVEF) \> 40% and ≤ 65%.
Gender:
ALL
Ages:
Between 18 years and 85 years
Trial Updated:
08/20/2025
Locations: Site 128, Huntington Beach, California
Conditions: Heart Failure With Reduced Ejection Fraction, Heart Failure With Preserved Ejection Fraction
AMG 193 Alone or in Combination With Other Therapies in Subjects With Advanced Thoracic Tumors With Homozygous MTAP-deletion (Master Protocol) (MTAPESTRY 104).
Recruiting
The study aims to determine maximum tolerated dose (MTD) or recommended combination dose of the MTA-cooperative PRMT5 inhibitor AMG 193 administered in combination with other therapies in adult participants with metastatic or locally advanced methylthioadenosine phosphorylase (MTAP)-deleted thoracic tumors. The study also aims to determine the safety profile of AMG 193 administered in combination with other therapies in adult participants with metastatic or locally advanced MTAP-deleted thoracic... Read More
Gender:
ALL
Ages:
Between 18 years and 100 years
Trial Updated:
08/20/2025
Locations: Comprehensive Blood and Cancer Center, Bakersfield, California
Conditions: Thoracic Tumors, Non-small Cell Lung Cancer
A Phase 2 Study to Investigate Efficacy and Safety of HZN-1116 in Participants With Sjogren's Syndrome
Recruiting
The purpose of this study is to measure the efficacy and safety of HZN-1116 in participants with Sjogren's syndrome (SS).
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
08/20/2025
Locations: Neurovations Research, Napa, California
Conditions: Sjogren's Syndrome
Study to Determine if BHV-7000 is Effective and Safe in Adults With Refractory Focal Onset Epilepsy
Recruiting
The purpose of this study is to determine whether BHV-7000 is effective in the treatment of refractory focal epilepsy.
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
08/20/2025
Locations: Amicis Research Center, Lancaster, California
Conditions: Focal Epilepsy