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California Paid Clinical Trials
A listing of 5616 clinical trials in California actively recruiting volunteers for paid trials and research studies in various therapeutic areas.
2221 - 2232 of 5616
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California is currently home to 5616 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.
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Recruiting
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Conditions:
Overweight
Overweight and Obesity
Obesity
Weight Loss
Morbid Obesity
DETECT-RPC Universal EM Screening
Recruiting
The purpose of this study is to evaluate whether the use of the Detection of Elder Mistreatment Through Emergency Care Technicians-Revised for Primary Care (DETECT-RPC) screening tool increases the average reporting of elder mistreatment (EM) by homebased primary care (HBPC) clinicians.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/12/2025
Locations: University of California San Francisco, San Francisco, California
Conditions: Elder Abuse, Elder Mistreatment
Study of LYL314 in Aggressive Large B-Cell Lymphoma
Recruiting
This is a Phase 1/2, multi-center, open-label study evaluating the safety and efficacy of LYL314, a dual-targeting chimeric antigen receptor (CAR) targeting cluster of differentiation (CD)19 and CD20 in participants with aggressive large B-cell lymphoma.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/12/2025
Locations: University of California-Irvine Medical Center, Irvine, California
Conditions: Relapsed Non-Hodgkin Lymphoma, Refractory Non-Hodgkin Lymphoma, Non-Hodgkin Lymphoma, Large B-cell Lymphoma
A Study of HFB200603 as a Single Agent and in Combination With Tislelizumab in Adult Patients With Advanced Solid Tumors
Recruiting
The purpose of this study is to test the safety and tolerability of HFB200603 as a single agent and in combination with tislelizumab in patients with advanced cancers. There are two parts in this study. During the escalation part, groups of participants will receive increasing doses of HFB200603 as a monotherapy or in combination with tislelizumab until a safe and tolerable dose of HFB200603 as a single agent or combination therapy is determined. During the expansion part, participants will take... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/12/2025
Locations: USC Norris Comprehensive Cancer Center, Los Angeles, California
Conditions: Renal Cell Carcinoma, Melanoma, Non Small Cell Lung Cancer, Gastric Cancer, Colorectal Cancer
A Study of Peluntamig (PT217) in Patients With Neuroendocrine Carcinomas Expressing DLL3 (the SKYBRIDGE Study)
Recruiting
This is a first-in-human, Phase 1/2, open-label, dose escalation, dose expansion and combination study designed to evaluate the safety, tolerability, pharmacokinetics, pharmacodynamics, and preliminary efficacy of Peluntamig (PT217) as a monotherapy and in combination with chemotherapy.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/12/2025
Locations: City of Hope (City of Hope National Medical Center, City of Hope Medical Center), Duarte, California
Conditions: Small Cell Lung Cancer (SCLC), Large Cell Neuroendocrine Cancer (LCNEC), Neuroendocrine Prostate Cancer (NEPC), Gastroenteropancreatic Neuroendocrine Carcinoma (GEP-NEC), Neuroendocrine Carcinomas (NEC), Extrapulmonary Neuroendocrine Carcinoma (EP-NEC)
Testing Atezolizumab With Selinexor in People ≥ 12 Years Old With Alveolar Soft Part Sarcoma, The AXIOM Trial
Recruiting
This phase II trial tests whether atezolizumab in combination with selinexor works to shrink tumors in patients with alveolar soft part sarcoma and whether the study drugs are better than the usual approach in treating this type of cancer. The usual approach is defined as care most people get for alveolar soft part sarcoma if they are not part of a clinical study, which includes treatment with radiation, kinase inhibitor drugs, immunotherapy drugs, or chemotherapy drugs. Immunotherapy with monoc... Read More
Gender:
ALL
Ages:
12 years and above
Trial Updated:
06/12/2025
Locations: Keck Medicine of USC Koreatown, Los Angeles, California
Conditions: Advanced Soft Tissue Sarcoma, Metastatic Alveolar Soft Part Sarcoma, Unresectable Alveolar Soft Part Sarcoma, Advanced Alveolar Soft Part Sarcoma, Refractory Alveolar Soft Part Sarcoma
A Study to Evaluate PEEL-224 in Patients With Advanced Solid Tumors
Recruiting
This is a first-in-human, dose escalation, repeat-dose, multi-center, open-label study evaluating safety, tolerability, PK, and preliminary antitumor activity of PEEL-224 in patients with advanced solid tumors.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/12/2025
Locations: Stanford Cancer Center, Palo Alto, California
Conditions: Advanced Solid Tumor
Study of Efficacy and Safety of LNP023 in Participants With Active Lupus Nephritis Class III-IV, +/- V
Recruiting
The overall purpose of this two-part study is to evaluate the efficacy, safety and tolerability of iptacopan (LNP023) in addition to standard of care treatment.
Gender:
ALL
Ages:
Between 18 years and 100 years
Trial Updated:
06/12/2025
Locations: Kaiser Permanente Fontana, Fontana, California
Conditions: Lupus Nephritis
The Home Blood Pressure (BP) Trial
Recruiting
The main study will be a two arm 10-month, cross-over randomized controlled trial of 200 participants treated with end-stage-kidney-disease treated with in-center hemodialysis in the Seattle and San Francisco area comparing a strategy of targeting home vs. pre-dialysis systolic blood pressure \<140 mmHg to reduce rates of intradialytic hypotension. The target systolic blood pressure of \<140 mmHg in both treatment groups will be achieved using an algorithm of dry weight adjustment and anti-hyper... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/12/2025
Locations: University of California San Francisco, San Francisco, California
Conditions: End Stage Renal Disease on Dialysis
A Study to Evaluate the Efficacy and Safety of DA-1229 (Evogliptin) in Patient's Calcific Aortic Valve Disease With Mild to Moderate Aortic Stenosis (EVOID-AS)
Recruiting
This is an adaptive Phase 2/3 multicenter, double-blind, placebo-controlled, randomized, parallel, 2 arm study to evaluate the efficacy and safety of DA-1229 compared to placebo in patients with calcific aortic valve disease with mild to moderate aortic stenosis. There are 2 arms in this study to which patients will be randomized in a ratio of 1:1 to receive the DA-1229 or placebo orally once daily for a period of 104 weeks. The 2 arms are: placebo and DA-1229 10 mg Group.
The study will have t... Read More
Gender:
ALL
Ages:
35 years and above
Trial Updated:
06/12/2025
Locations: University of Southern California, Los Angeles, California
Conditions: Calcific Aortic Valve Disease
A Study of NX-5948 in Adults With Relapsed/Refractory B-cell Malignancies
Recruiting
This is a first-in-human Phase 1a/1b multicenter, open-label study designed to evaluate the safety and anti-cancer activity of NX-5948 in patients with advanced B-cell malignancies.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/12/2025
Locations: City of Hope, Duarte, California
Conditions: Chronic Lymphocytic Leukemia (CLL), Small Lymphocytic Lymphoma (SLL), Diffuse Large B Cell Lymphoma (DLBCL), Follicular Lymphoma (FL), Mantle Cell Lymphoma (MCL), Marginal Zone Lymphoma (MZL), Waldenstrom Macroglobulinemia (WM), Primary Central Nervous System Lymphoma (PCNSL), Secondary Central Nervous System Lymphoma (SCNSL)
Gene Correction in Autologous CD34+ Hematopoietic Stem Cells (HbS to HbA) to Treat Severe Sickle Cell Disease
Recruiting
This study is a first-in-human, single-arm, open-label Phase I/II study of nula-cel in approximately 15 participants, diagnosed with severe Sickle Cell Disease. The primary objective is to evaluate safety of the treatment in this patient population, as well as preliminary efficacy and pharmacodynamic data.
Gender:
ALL
Ages:
Between 12 years and 40 years
Trial Updated:
06/12/2025
Locations: Lucile Packard Children's Hospital, Palo Alto, California
Conditions: Sickle Cell Disease
A Rollover Extension Program (REP) to Evaluate the Long-term Safety and Tolerability of Open Label Iptacopan/LNP023 in Participants With Primary IgA Nephropathy
Recruiting
The purpose of this study is to evaluate the long-term safety and tolerability, of open label iptacopan in primary IgA nephropathy participants who have completed either the CLNP023X2203 or CLNP023A2301 clinical trials. The open-label design of the current study is appropriate to provide study participants the opportunity to receive treatment with iptacopan until marketing authorizations are received and the drug product becomes commercially available while enabling collection of long-term safet... Read More
Gender:
ALL
Ages:
Between 18 years and 100 years
Trial Updated:
06/12/2025
Locations: Kaiser Permanente, San Diego, California
Conditions: Primary IgA Nephropathy
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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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