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.
Registry of Deep Brain Stimulation With the VERCISE™ System: Vercise DBS Registry
Recruiting
The purpose of this registry is to compile characteristics of world-wide outcomes for the use of Boston Scientific's commercially available Vercise DBS System in the treatment of Parkinson's disease. The utilization of Image Guided Programming (IGP), and other commercially available programming features, used as planning tools for the programming of patients with Boston Scientific's Vercise DBS System are also evaluated. Additionally, the utilization of the DBS Illumina 3D feature that may be... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/11/2025
Locations: Neurology and Pain Specialty, Aliso Viejo, California
Conditions: Parkinson's Disease
RELIEF - A Global Prospective Observational Post-Market Study to Evaluate Long-Term Effectiveness of Neurostimulation Therapy for Pain
Recruiting
To compile characteristics of real-world clinical outcomes for Boston Scientific commercially approved neurostimulation systems for pain in routine clinical practice, when used according to the applicable Directions for Use - and - To evaluate the economic value and technical performance of Boston Scientific commercially approved neurostimulation systems for pain in routine clinical practice
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/11/2025
Locations: Comprehensive Pain Management Center, Campbell, California
Conditions: Pain
Patient Retrospective Outcomes (PRO)
Recruiting
This study will evaluate de-identified (anonymous) data in subject medical charts to review the clinical outcomes of various treatment approaches in the treatment of chronic pain.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/11/2025
Locations: Kern Neuroscience Institute, Bakersfield, California
Conditions: Chronic Pain
Minimal Residual Disease Testing for the Early Detection of Cancer Recurrence in Resectable Stage II-IV Colorectal Cancer Patients
Recruiting
This clinical trial compares minimal residual disease (MRD) testing with the Haystack blood test (assay) to the Signatera® assay for the early detection of the cancer returning (cancer recurrence) in patients with stage II-IV colorectal cancer (CRC) that can be removed by surgery (resectable). MRD testing looks for evidence of remaining tumor following treatment that is only apparent using highly sensitive techniques. There are few effective tools available outside of imaging to identify CRC pat... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/10/2025
Locations: City of Hope Corona, Corona, California
Conditions: Resectable Colorectal Carcinoma, Stage II Colorectal Cancer AJCC v8, Stage III Colorectal Cancer AJCC v8, Stage IV Colorectal Cancer AJCC v8
A Research Study Comparing Different Doses of CDR132L With Placebo on the Structure and Function of the Heart in People With Heart Failure With Preserved Ejection Fraction and Left Ventricular Hypertrophy
Recruiting
This study will look into how CDR132L (a potential new medicine) works on the structure and function of the heart in people living with heart failure. Participants will either get CDR132L or placebo (a medicine which has no effect on the body), which treatment the participants get is decided by chance. The study will last for about 60 weeks.
Gender:
ALL
Ages:
Between 40 years and 84 years
Trial Updated:
08/10/2025
Locations: Valley Clinical Trials, Covina, California
Conditions: Heart Failure
A proof-of Concept Study to Assess Safety and Tolerability of HM15421/GC1134A in Patients With Fabry Disease
Recruiting
This Phase 1/2 first-in-human (FIH) study is designed to evaluate the safety, tolerability, pharmacokinetics (PK), and efficacy of HM15421 in patients with FD.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/10/2025
Locations: David Geffen School of Medicine UCLA, UCLA Health, Los Angeles, California
Conditions: Fabry Disesase
A Research Study Comparing How Well Different Doses of the Medicine NNC0519-0130 Can Reduce Kidney Damage in People Living With Chronic Kidney Disease
Recruiting
The study evaluates the safety of different doses of a new medicine called NNC0519 0130. It also looks into how the medicine may improve kidney function in participants with chronic kidney disease with or without type 2 diabetes, living with overweight or obesity. The participants will either get NNC0519-0130 (a new medicine), semaglutide (a medicine that doctors can already prescribe), or placebo (a "dummy" substance). Which treatment the participant will get is decided by chance. The study wil... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/10/2025
Locations: N America Res Inst - San Dimas, San Dimas, California
Conditions: Chronic Kidney Disease
A Research Study Comparing How Well Different Doses of the Medicine NNC0487-0111 Lower Blood Sugar in People With Type 2 Diabetes
Recruiting
The study will look at how well different doses of a new medicine called NNC0487-0111 help lower the blood sugar and body weight in people with type 2 diabetes. NNC0487-0111 is a new medicine which cannot be prescribed by doctors but has previously been tested in humans. Participants will either get NNC0487-0111, which is given as tablets or as injections, or placebo. Which treatment the participant get is decided by chance.The study will last for about 43 weeks.
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
08/10/2025
Locations: Southern Cal Clinical Research, Santa Ana, California
Conditions: Type 2 Diabetes (T2D)
A Research Study Comparing How Well Different Doses of the Medicine NN0519-0130 Lower Blood Sugar in People With Type 2 Diabetes
Recruiting
This study will look at how well a new medicine called NNC0519-0130 helps people with type 2 diabetes lower their blood sugar and body weight. The study will test up to 7 different doses of NNC0519-0130. Which treatment participant will get is decided by chance. Participants will take 1-3 injections once a week. The study medicine will be injected under skin with a thin needle in the stomach, thigh, or upper arm. The study will last for about 40 weeks.
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
08/10/2025
Locations: Velocity Clin Res-Chula Vista, Chula Vista, California
Conditions: Diabetes Mellitus, Type 2
A Research Study to Look at Long-term Treatment With a Medicine Called NNC6019-0001 for People Who Have Heart Failure Due to Transthyretin Amyloidosis
Recruiting
This study will test a medicine, NNC6019-0001, for people who have a heart disease due to TTR amyloidosis. It will look at how safe this medicine is in the long term and if it can reduce symptoms of a heart disease due to TTR amyloidosis, such as heart failure. It is an extension to a study called "A research study to look at how a new medicine called NNC6019-0001 works and how safe it is for people who have a heart disease due to TTR amyloidosis". Only participants who have completed that study... Read More
Gender:
ALL
Ages:
Between 18 years and 85 years
Trial Updated:
08/10/2025
Locations: Cedars-Sinai Medical Center_Los Angeles, Los Angeles, California
Conditions: Transthyretin Amyloid Cardiomyopathy (ATTR CM)
A Research Study Looking Into How Ziltivekimab Works Compared to Placebo in Participants With Heart Failure and Inflammation
Recruiting
The study is being done to see if ziltivekimab can be used to treat participants living with heart failure and inflammation. Participants will either get ziltivekimab (active medicine) or placebo (inactive substance that looks like the study medicine but does not contain any medicine). The treatment participants get is decided by chance. Participant's chance of getting ziltivekimab or placebo is the same. Ziltivekimab is not yet approved in any country or region in the world. It is a new medicin... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/10/2025
Locations: Valley Clinical Trials, Inc., Northridge, California
Conditions: Heart Failure, Systemic Inflammation
A Research Study to Look at How Ziltivekimab Works Compared to Placebo in People With Heart Failure and Inflammation
Recruiting
This study will be done to see if ziltivekimab can be used to treat people living with heart failure and inflammation. Participants will either get ziltivekimab or placebo. Participants will get study medicine for once-monthly injections either in a pre-filled syringe to inject the study medicine into a skinfold or a pen-injector to inject the study medicine into flat skin. The study is expected to last for up to 4 years. Participants will have up to 20 clinic visits. Participants will have to u... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/10/2025
Locations: National Heart Institute Cal, Beverly Hills, California
Conditions: Heart Failure