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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.
577 - 588 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
Healthy Participants Needed (Colonoscopy + Cancer Screening)
Recruiting
Earn $325 - $475 in electronic payment card compensation for your time and effort by participating in a clinical study to develop a blood test that may one day help screen for colon cancer. Take a quick quiz to see if you qualify.
Conditions:
Healthy
Healthy Volunteers
Healthy Subjects
Healthy Volunteer
Healthy Participants
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.
Conditions:
Healthy
Healthy Volunteer Study
Featured Trial
Buy Retatrutide Online Through Celia
Recruiting
Retatrutide (formerly M25) is an investigational peptide being studied for its potential in supporting weight management and metabolic health. It acts on GLP-1, GIP, and glucagon receptors to influence appetite, energy regulation, and fat metabolism.
Conditions:
Healthy
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Recruiting
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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 $50 off your first program with code policy-lab-50.
Conditions:
Overweight
Overweight and Obesity
Obesity
Weight Loss
Morbid Obesity
Featured Trial
Depression Clinical Trial
Recruiting
Join us in researching a potential investigational treatment for Depression. Reimbursement for study-related expenses may be available to you.
Qualifying participants:
•Are between 18-65
•Have been experiencing a major depressive episode for at least a month
Qualifying participants:
•Are between 18-65
•Have been experiencing a major depressive episode for at least a month
Conditions:
Depression
Major Depressive Disorder
Depressive Disorder
Depressive Symptoms
Depressive Disorder
A Study of ZL-1310 in Subjects With Small Cell Lung Cancer
Recruiting
An open-label, multicenter study of ZL-1310 as a single agent and in combination with Atezolizumab (with and without Carboplatin) to evaluate the safety, efficacy, and pharmacokinetics in subjects with small cell lung cancer
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/13/2025
Locations: Zai Lab Site 2005, Duarte, California
Conditions: SCLC
Sacituzumab Tirumotecan (MK-2870) in Combination With Pembrolizumab Versus Pembrolizumab Alone in Metastatic Non-small Cell Lung Cancer (NSCLC) With Programmed Cell Death Ligand 1 (PD-L1) Tumor Proportion Score (TPS) ≥ 50% (MK-2870-007)
Recruiting
The primary objective of the study is to compare sacituzumab tirumotecan combined with pembrolizumab to pembrolizumab alone with respect to overall survival (OS). The primary hypothesis is that the combination of sacituzumab tirumotecan and pembrolizumab is superior to pembrolizumab alone with respect to OS.
All participants who have completed the first course of pembrolizumab may be eligible for up to an additional 9 cycles of pembrolizumab monotherapy if there is blinded independent central r... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/13/2025
Locations: Roy and Patricia Disney Family Cancer Center - Providence Saint Joseph Medical Center ( Site 0130), Burbank, California
Conditions: Non-small Cell Lung Cancer (NSCLC)
Study Assessing Activity of Intravenous (IV) Etentamig Monotherapy Versus Standard Available Therapies in Adult Participants With Relapsed or Refractory Multiple Myeloma
Recruiting
Multiple myeloma (MM) is a cancer of the blood's plasma cells. The cancer is typically found in the bones and bone marrow (the spongy tissue inside of the bones) and can cause bone pain, fractures, infections, weaker bones, and kidney failure. Treatments are available, but MM can come back (relapsed) or may not get better (refractory) with treatment. This is a study to determine change in disease symptoms of etentamig compared to standard available therapies in adult participants with relapsed/r... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/13/2025
Locations: Alta Bates Summit Medical Center for Research /ID# 261438, Berkeley, California
Conditions: Multiple Myeloma
MagnetisMM-32: A Study to Learn About the Study Medicine Called Elranatamab in People With Multiple Myeloma (MM) That Has Come Back After Taking Other Treatments (Including Prior Treatment With an Anti-CD38 Antibody and Lenalidomide)
Recruiting
The purpose of this study is to learn about the study medicine called elranatamab.This study aims to compare elranatamab to other medicines for the treatment of MM (a type of cancer).
This study is seeking participants who:
* Are 18 years of age or older and have MM.
* Have received treatments before for MM.
* Have MM that has returned or not responded to their most recent treatment.
Half of the participants will receive elranatamab. The other half of participants will receive a combination t... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/13/2025
Locations: Beverly Hills Cancer Center, Beverly Hills, California
Conditions: Multiple Myeloma
A Study Testing the Combination of Dasatinib or Imatinib to Chemotherapy Treatment With Blinatumomab for Children, Adolescents, and Young Adults With Philadelphia Chromosome Positive (Ph+) or ABL-Class Philadelphia Chromosome-Like (Ph-Like) B-cell Acute Lymphoblastic Leukemia (B-ALL)
Recruiting
This pilot trial assesses the effect of the combination of blinatumomab with dasatinib or imatinib and standard chemotherapy for treating patients with Philadelphia chromosome positive (Ph+) or ABL-class Philadelphia chromosome-like (Ph-like) B-Cell acute lymphoblastic leukemia (B-ALL). Blinatumomab is a bispecific antibody that binds to two different proteins-one on the surface of cancer cells and one on the surface of cells in the immune system. An antibody is a protein made by the immune syst... Read More
Gender:
ALL
Ages:
Between 366 days and 46 years
Trial Updated:
08/13/2025
Locations: Loma Linda University Medical Center, Loma Linda, California
Conditions: B Acute Lymphoblastic Leukemia
Study Evaluating Tarlatamab After Chemoradiotherapy in Limited-Stage Small-Cell Lung Cancer (LS-SCLC)
Recruiting
The primary objective of this study is to compare the efficacy of tarlatamab with placebo as assessed by progression free survival (PFS).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/13/2025
Locations: Valkyrie Clinical Trials, Los Angeles, California
Conditions: Limited Stage Small Cell Lung Cancer, Small Cell Lung Cancer
AZD0305 as Monotherapy or in Combination With Anticancer Agents in Participants With Relapsed/Refractory Multiple Myeloma
Recruiting
This is a Phase I/II, modular, open-label, multicenter, dose escalation, and dose expansion/optimization study to evaluate the safety, tolerability, PK, immunogenicity, pharmacodynamics, and preliminary efficacy of AZD0305 in participants with RRMM.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/13/2025
Locations: Research Site, Duarte, California
Conditions: Multiple Myeloma
DFC 004 Biomarkers for Active Diabetic Foot Ulcers
Recruiting
This study is a platform study designed to efficiently test multiple biomarkers to identify diabetic foot ulcers (DFUs) with a higher potential for healing versus not healing that ultimately could be applied at the point of care to drive personalized management decisions, and to better inform clinical trials of wound healing interventions
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/13/2025
Locations: University of Southern California, Los Angeles, California
Study of Lurbinectedin in Combination With Doxorubicin Versus Doxorubicin Alone as First-line Treatment in Participants With Metastatic Leiomyosarcoma (SaLuDo)
Recruiting
The primary objective of this phase III study is to evaluate whether the combination of lurbinectedin plus doxorubicin given as first line treatment for metastatic leiomyosarcoma (LMS) prolongs the progression-free survival (PFS) by Independent Review Committee (IRC) when compared to doxorubicin administered as a single agent.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/13/2025
Locations: Precision NextGen Oncology, Beverly Hills, California
Conditions: Leiomyosarcoma
A Study of Apremilast in Pediatric Participants in Children With Mild to Moderate Plaque Psoriasis
Recruiting
The primary objective of this post-marketing study is to assess the safety and tolerability of apremilast in pediatric participants (ages 6 through 17 years) with mild to moderate plaque psoriasis.
Gender:
ALL
Ages:
Between 6 years and 17 years
Trial Updated:
08/13/2025
Locations: Avance Clinical Trials, Laguna Niguel, California
Conditions: Plaque Psoriasis
A Study of Intismeran Autogene (V940) Plus Pembrolizumab (MK-3475) Versus Placebo Plus Pembrolizumab in Participants With Non-small Cell Lung Cancer (V940-002)
Recruiting
The goal of this study is to evaluate intismeran autogene plus pembrolizumab versus placebo plus pembrolizumab for the adjuvant treatment of margin negative, completely resected Stage II, IIIA, IIIB (with nodal involvement \[N2\]) non-small cell lung cancer (NSCLC). The primary hypothesis is that intismeran autogene plus pembrolizumab is superior to placebo plus pembrolizumab with respect to disease-free survival (DFS) as assessed by the investigator.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/13/2025
Locations: UCLA Clinical & Translational Research Center (CTRC) ( Site 0059), Los Angeles, California
Conditions: Non-small Cell Lung Cancer
A Study to Evaluate ABP 206 Compared With OPDIVO® (Nivolumab) in Subjects With Unresectable or Metastatic Melanoma
Recruiting
The purpose of this study is to assess the efficacy, safety, and immunogenicity of ABP 206 compared with Nivolumab in Subjects with Treatment-Naïve Unresectable or Metastatic Melanoma.
Gender:
ALL
Ages:
Between 18 years and 99 years
Trial Updated:
08/13/2025
Locations: Cancer and Blood Specialty clinic, Long Beach, California
Conditions: Melanoma
577 - 588 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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