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California Paid Clinical Trials
A listing of 5602 clinical trials in California actively recruiting volunteers for paid trials and research studies in various therapeutic areas.
73 - 84 of 5602
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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.
Featured Trial
Paid Clinical Studies Nationwide
Recruiting
Nationwide clinical trials offered in your area. Some trials offering up to several thousand dollars in compensation for participation.
Featured Trial
Chronic Cough Research Study
Recruiting
Are you tired of living with chronic cough? Our research study is now looking to enroll people from all backgrounds to help research potential new treatment options for chronic cough.
You are under no obligation to take part and health insurance is not required. Find out more today! We’d love to hear from you!
You are under no obligation to take part and health insurance is not required. Find out more today! We’d love to hear from you!
Conditions:
Chronic Cough
Refractory or Unexplained Chronic Cough
Cough
Asthma
Sinusitis
Featured Offer
Lose Weight with GLP-1 Medications
Recruiting
Policy Lab has partnered with OnlineSemaglutide.org to offer trusted access to semaglutide and other GLP-1 medications, including generic alternatives to Ozempic® and Wegovy®.
GLP-1 medications are scientifically backed to help individuals achieve significant weight loss—on average, 15-20% of body weight within a year.
As a valued user, you’re eligible for $100 off your first program with code policy-lab-100.
GLP-1 medications are scientifically backed to help individuals achieve significant weight loss—on average, 15-20% of body weight within a year.
As a valued user, you’re eligible for $100 off your first program with code policy-lab-100.
Conditions:
Overweight
Overweight and Obesity
Obesity
Weight Loss
Morbid Obesity
Featured Trial
Stroke Clinical Study
Recruiting
A clinical study for people that suffer with Stroke
Conditions:
Stroke
Featured Trial
Chronic Kidney Disease (CKD) Clinical Study
Recruiting
A clinical study for people that suffer with Chronic Kidney Disease (CKD)
Conditions:
Chronic Kidney Disease (CKD)
The EMPOWER Trial - The Carillon Mitral Contour System® in Treating Heart Failure With at Least Mild FMR
Recruiting
The objective of this prospective, randomized, blinded clinical trial is to assess the safety and efficacy of the Carillon Mitral Contour System in treating heart failure with functional regurgitation (FMR).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/22/2025
Locations: Memorial Care Hospital, Long Beach, California
Conditions: Functional Mitral Regurgitation, Heart Failure, Mitral Valve Insufficiency, Heart Diseases, Cardiovascular Diseases, Heart Valve Diseases
Testing Docetaxel-Cetuximab or the Addition of an Immunotherapy Drug, Atezolizumab, to the Usual Chemotherapy and Radiation Therapy in High-Risk Head and Neck Cancer
Recruiting
This phase II/III trial studies how well radiation therapy works when given together with cisplatin, docetaxel, cetuximab, and/or atezolizumab after surgery in treating patients with high-risk stage III-IV head and neck cancer the begins in the thin, flat cells (squamous cell). Specialized radiation therapy that delivers a high dose of radiation directly to the tumor may kill more tumor cells and cause less damage to normal tissue. Drugs used in chemotherapy, such as cisplatin and docetaxel, wor... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/22/2025
Locations: Sutter Cancer Centers Radiation Oncology Services-Auburn, Auburn, California
Conditions: Stage III Hypopharyngeal Squamous Cell Carcinoma AJCC v7, Stage III Laryngeal Squamous Cell Carcinoma AJCC v6 and v7, Stage III Oral Cavity Squamous Cell Carcinoma AJCC v6 and v7, Stage III Oropharyngeal Squamous Cell Carcinoma AJCC v7, Stage IV Hypopharyngeal Squamous Cell Carcinoma AJCC v7, Stage IV Laryngeal Squamous Cell Carcinoma AJCC v7, Stage IV Oral Cavity Squamous Cell Carcinoma AJCC v6 and v7, Stage IV Oropharyngeal Squamous Cell Carcinoma AJCC v7, Oropharyngeal p16INK4a-Negative Squamous Cell Carcinoma
Study Evaluating the Efficacy and Safety of RAP-219 in Adult Participants With Bipolar I Disorder
Recruiting
This is a clinical research study for an investigational drug called RAP-219 in participants with bipolar I disorder. This study is being conducted to determine if RAP-219 is safe and effective in participants experiencing mania associated with bipolar I disorder.
Gender:
ALL
Ages:
Between 18 years and 65 years
Trial Updated:
08/21/2025
Locations: CNRI - San Diego, LLC, San Diego, California
Conditions: Bipolar 1 Disorder
A Study of INCB123667 in Participants With Platinum-Resistant Ovarian Cancer With Cyclin E1 Overexpression
Recruiting
This study will evaluate the safety and efficacy of INCB123667 in Participants With Platinum-Resistant Ovarian Cancer (PROC) With Cyclin E1 Overexpression.
Gender:
FEMALE
Ages:
Between 18 years and 99 years
Trial Updated:
08/21/2025
Locations: University of California, Los Angeles Medical Center, Los Angeles, California
Conditions: Ovarian Cancer
A Study to Assess the Safety, Tolerability, and Antileukemic Activity of Debio 1562M in Participants With Acute Myeloid Leukemia (AML)
Recruiting
The primary purpose of Phase 1 is to assess the doses studied under Phase 1 (Dose Escalation) Arm A and identify the recommended dose (RD) for further development (Dose optimization).
The primary objective of Phase 2 is to evaluate the antileukemic activity of Debio 1562M.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/21/2025
Locations: City of Hope Comprehensive Cancer Center, Duarte, California
Conditions: Acute Myeloid Leukemia
A Study to Test Whether Vicadrostat (BI 690517) in Combination With Empagliflozin Helps People With Heart Failure and a Weak Pumping Function of the Left Side of the Heart
Recruiting
This study is open to adults with chronic heart failure (HF) who have a reduced left ventricular ejection fraction (LVEF) of less than 40%. People can join the study if they have been diagnosed with chronic HF at least 3 months before the study. The purpose of this study is to find out whether a medicine called vicadrostat, in combination with another medicine called empagliflozin, helps people with chronic heart failure.
In this study, participants are put into 2 groups randomly. Participants... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/21/2025
Locations: Valley Clinical Trials, Inc., Covina, California
Conditions: Heart Failure
A Study to Compare the Efficacy and Safety of Golcadomide in Combination With Rituximab (Golca + R) vs Investigator's Choice in Participants With Relapsed/Refractory Follicular Lymphoma (GOLSEEK-4)
Recruiting
The study is designed as a multicenter, randomized, open label Phase 3 study to compare the efficacy and safety of golcadomide in combination with rituximab vs investigator's choice in participants with relapsed/refractory follicular lymphoma who have received at least one line of prior systemic therapy.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/21/2025
Locations: Local Institution - 0072, Duarte, California
Conditions: Follicular Lymphoma
A Study to Assess the Change in Disease Activity in Adult Participants With Moderate to Severe Ulcerative Colitis Treated With Risankizumab Compared to Vedolizumab
Recruiting
Ulcerative colitis (UC) is a type of inflammatory bowel disease that causes inflammation and bleeding from the lining of the rectum and colon (large intestine).This study will evaluate how safe and effective risankizumab is compared to vedolizumab in treating adult participants with moderate to severe UC who are naive to targeted therapies (TaTs).
Risankizumab and vedolizumab are approved medications for moderate to severe UC in multiple countries. Participants who meet the eligibility criteria... Read More
Gender:
ALL
Ages:
Between 18 years and 80 years
Trial Updated:
08/21/2025
Locations: Gastro Care Institute /ID# 274873, Lancaster, California
Conditions: Ulcerative Colitis
A Study of Adagrasib Plus Pembrolizumab Plus Chemotherapy vs. Placebo Plus Pembrolizumab Plus Chemotherapy in Participants With Previously Untreated Non-squamous Non-small Cell Lung Cancer With KRAS G12C Mutation (KRYSTAL-4)
Recruiting
This is a trial to evaluate the efficacy, safety, and tolerability of adagrasib plus pembrolizumab plus platinum-doublet chemotherapy versus placebo plus pembrolizumab plus platinum-doublet chemotherapy in participants with previously untreated, locally advanced or metastatic NSCLC with KRAS G12C mutation
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/21/2025
Locations: Local Institution - 0581, Fullerton, California
Conditions: Carcinoma, Non-Small-Cell Lung
Study of the Safety 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 document the safety profile of the PCV21 vaccine (investigational pneumococcal vaccine) compared to a licensed 20-valent pneumococcal conjugate vaccine in infants aged from approximately 2 months (42 to 89 days).
The study duration per participant will be up to approximately 19 months. The study vaccines (either PCV21 or 20vPCV) will be administered at approximately 2, 4, 6 and 12 to 15 months of age. Routine pediatr... Read More
Gender:
ALL
Ages:
Between 42 days and 89 days
Trial Updated:
08/21/2025
Locations: John Muir Health - Concord- Site Number : 8400046, Concord, California
Conditions: Pneumococcal Immunization
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:
08/21/2025
Locations: Kaiser Permanente - Los Angeles Medical Center, Los Angeles, California
Conditions: Autosomal Dominant Polycystic Kidney Disease (ADPKD)
Avexitide for Treatment of Post-Bariatric Hypoglycemia
Recruiting
AVX-001 (LUCIDITY) is a Phase 3 study to evaluate avexitide compared to placebo in participants with post bariatric hypoglycemia (PBH) related to Roux-en-Y gastric bypass (RYGB). The study will assess avexitide compared to placebo for safety and efficacy, measured by reduction of hypoglycemic events. The study includes a Screening period with a Run-in period (of up to 6- and 3-weeks, respectively); a randomized, double-blind, placebo-controlled study treatment period of 16 weeks; and a two-part... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/21/2025
Locations: Stanford Health Care - Endocrinology Clinic, Stanford, California
Conditions: Post Bariatric Hypoglycemia
73 - 84 of 5602
Kaiser Permanente houses over 6,000 physicians in southern California and it is also one of the largest research centers on the state. On its clinical trial division, Kaiser Permanente conducts clinical trials of almost every specialty funded by pharmaceutical companies, government, and foundations.
The Cedars-Sinai Medical Center located in Los Angeles is one of the largest research centers owned and operated by a private hospital in the United States. Focusing on biomedical, cancer, and heart research among other specialties, you can find almost any type of clinical trials for both health and non-healthy volunteers at the research division of Cedar-Sinai Medical Center.
There are around 100,000 clinical trials happening every year across the United States about almost every condition out there. While most clinical trials are testing drugs or medical devices there are also many behavioral and observational trials going on at any point in time. Many paid research studies are held at these California locations.
Clinical trials are incredibly important for making new medical and scientific discoveries, finding new and better methods for diagnosing medical conditions early, testing new interventions, and even developing safer and more effective surgical procedures.
In order for all these discoveries to me made available to the general population they need to go through years of rigorous testing both in healthy and non-healthy volunteers. During those years, medical professionals follow a protocol that has been previously approved by the FDA or other regulatory agency to test the effectiveness and safety of their discovery.
Other people choose to participate in a clinical trial because they feel it is a good way to contribute to the advancement of medical knowledge and that their participation can help many people in the future. The following lists of trials are broken down by condition, and to find a specific clinical trial in your area click through to clinicaltrials.gov.
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