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California Paid Clinical Trials
A listing of 5614 clinical trials in California actively recruiting volunteers for paid trials and research studies in various therapeutic areas.
1321 - 1332 of 5614
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California is currently home to 5614 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
Depressive disorder Clinical Study
Recruiting
A clinical study for people that suffer with Depressive disorder
Conditions:
Depressive disorder
A Study to Examine the Effects of Novel Therapy Linvoseltamab in Combination With Other Cancer Treatments for Adult Patients With Multiple Myeloma That is Resistant to Current Standard of Care Treatments
Recruiting
This study is researching an experimental drug called linvoseltamab in combination with other drugs for the treatment of a blood cancer called multiple myeloma. Linvoseltamab has previously been studied as a single agent (without other cancer treatments) in participants with multiple myeloma that returned after prior therapies and needed to be treated again.
In the initial study, some participants treated with linvoseltamab had improvement of their myeloma, including complete responses (no evid... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/28/2025
Locations: Scripps Clinic Torrey Pines, San Diego, California
Conditions: Multiple Myeloma
Safety, Efficacy and Tolerability of Ianalumab Versus Placebo, Combination With SoC Therapy, in Participants With Active Lupus Nephritis
Recruiting
This trial will evaluate efficacy, safety, and tolerability of subcutaneous (s.c.) ianalumab given every 4 weeks (q4w) or every 12 weeks (q12w) compared to placebo, in combination with SoC, in adult participants with active LN
Gender:
ALL
Ages:
Between 18 years and 100 years
Trial Updated:
07/28/2025
Locations: Advanced Medical Research, La Palma, California
Conditions: Lupus Nephritis
COVID-19 International Drug Pregnancy Registry
Recruiting
The objective of the COVID-19 International Drug Pregnancy Registry (COVID-PR) is to evaluate obstetric, neonatal, and infant outcomes among women treated with monoclonal antibodies or antiviral drugs indicated for mild, moderate, or severe COVID-19 from the first day of the last menstrual period (LMP) to end of pregnancy. For monoclonal antibodies, the exposure period also includes 90 days prior to the first day of the LMP.
Gender:
FEMALE
Ages:
Between 18 years and 50 years
Trial Updated:
07/28/2025
Locations: Pregistry, Los Angeles, California
Conditions: Covid19
COVID-19 Vaccines International Pregnancy Exposure Registry
Recruiting
The objective of the COVID-19 Vaccines International Pregnancy Exposure Registry (C-VIPER) is to evaluate obstetric, neonatal, and infant outcomes among women vaccinated during pregnancy with a COVID-19 vaccine.
Specifically, the C-VIPER will estimate the risk of obstetric outcomes (spontaneous abortion, antenatal bleeding, gestational diabetes, gestational hypertension, intrauterine growth restriction, postpartum hemorrhage, fetal distress, uterine rupture, placenta previa, chorioamnionitis, C... Read More
Gender:
FEMALE
Ages:
Between 18 years and 50 years
Trial Updated:
07/28/2025
Locations: Pregistry, Los Angeles, California
Conditions: Covid19
BAFFR Targeting CAR-T Cells for the Treatment of Relapsed or Refractory B-cell ALL
Recruiting
A Phase 1 Study Evaluating BAFFR-targeting CAR T Cells for Patients with Relapsed or Refractory B-cell Acute Lymphoblastic Leukemia
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/28/2025
Locations: City of Hope Medical Center, Duarte, California
Conditions: Relapsed or Refractory B-cell Acute Lymphoblastic Leukemia
Secukinumab Open Label Roll-over Extension Protocol
Recruiting
The purpose of this study is to assess long term safety in participants who have completed a Novartis trial with secukinumab, have been judged by the investigator to benefit from continued treatment with secukinumab, and are unable to obtain the marketed secukinumab formulation.
Gender:
ALL
Ages:
Between 6 years and 100 years
Trial Updated:
07/28/2025
Locations: Providence Medical Foundation, Fullerton, California
Conditions: Autoimmunity, Inflammation
PIPAC for the Treatment of Peritoneal Carcinomatosis in Patients With Ovarian, Uterine, Appendiceal, Colorectal, or Gastric Cancer
Recruiting
This phase I trial studies the side effects of pressurized intraperitoneal aerosol chemotherapy (PIPAC) in treating patients with ovarian, uterine, appendiceal, stomach (gastric), or colorectal cancer that has spread to the lining of the abdominal cavity (peritoneal carcinomatosis). Chemotherapy drugs, such as cisplatin, doxorubicin, oxaliplatin, leucovorin, fluorouracil, mitomycin, and irinotecan, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/28/2025
Locations: City of Hope Medical Center, Duarte, California
Conditions: Clinical Stage IV Gastric Cancer AJCC v8, Clinical Stage IVA Gastric Cancer AJCC v8, Clinical Stage IVB Gastric Cancer AJCC v8, Malignant Uterine Neoplasm, Metastatic Colorectal Carcinoma, Metastatic Gastric Carcinoma, Metastatic Malignant Neoplasm in the Peritoneum, Metastatic Ovarian Carcinoma, Pathologic Stage IV Gastric Cancer AJCC v8, Peritoneal Carcinomatosis, Postneoadjuvant Therapy Stage IV Gastric Cancer AJCC v8, Stage IV Colorectal Cancer AJCC v8, Stage IV Ovarian Cancer AJCC v8, Stage IV Uterine Corpus Cancer AJCC v8, Stage IVA Colorectal Cancer AJCC v8, Stage IVA Ovarian Cancer AJCC v8, Stage IVA Uterine Corpus Cancer AJCC v8, Stage IVB Colorectal Cancer AJCC v8, Stage IVB Ovarian Cancer AJCC v8, Stage IVB Uterine Corpus Cancer AJCC v8, Stage IVC Colorectal Cancer AJCC v8, Metastatic Appendix Carcinoma, Metastatic Malignant Solid Neoplasm, Stage IV Appendix Carcinoma AJCC v8, Stage IVA Appendix Carcinoma AJCC v8, Stage IVB Appendix Carcinoma AJCC v8, Stage IVC Appendix Carcinoma AJCC v8
STRIVE Post-Market Registry Study
Recruiting
This is a single-arm, prospective, multi-center, Registry study to evaluate the long-term safety and effectiveness of the Spiration Valve System (SVS) for the treatment of severe emphysema in a post-market setting.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/28/2025
Locations: El Camino, Taft Center for Clinical Research, Mountain View, California
Conditions: Emphysema
Pulmonary Hypertension Association Registry
Recruiting
The PHA Registry (PHAR) is a national study about people who have pulmonary arterial hypertension (PAH) and chronic thromboembolic pulmonary hypertension (CTEPH). PHAR collects information from people with PAH and CTEPH who are cared for in participating PHA-accredited Pulmonary Hypertension Care Centers throughout the U.S.
PHAR will determine how people with PAH and CTEPH are evaluated, tested, and treated, and will observe how well these participants do. The goal is to see if people with PH a... Read More
Gender:
ALL
Ages:
0 years and above
Trial Updated:
07/28/2025
Locations: UC Davis Health, Sacramento, California
Conditions: Pulmonary Arterial Hypertension, Chronic Thromboembolic Pulmonary Hypertension, Pulmonary Hypertension
Pembrolizumab in Treating Participants With Leukoplakia
Recruiting
This phase II pilot trial studies how well pembrolizumab works in treating leukoplakia. Monoclonal antibodies, such as pembrolizumab, may interfere with the ability of tumor cells to grow and spread.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/28/2025
Locations: UC San Diego Moores Cancer Center, La Jolla, California
Conditions: Erythroleukoplakia, Leukoplakia, Verrucous Oral Leukoplakia
MHE3 Clinical Trial - Overcoming Obstacles
Recruiting
The goal of this clinical trial is to increase and strengthen connections between Latinx individuals and mental health services. Through this intervention, the investigators aim to improve mental health literacy, decrease stigma, increase coping skills, and increase mental health help seeking, even before they are in crisis. Participants will be asked to participate in six educational sessions hosted by Promotores de Salud.
Gender:
ALL
Ages:
Between 18 years and 65 years
Trial Updated:
07/27/2025
Locations: Stanford University, Palo Alto, California
Conditions: Mental Health Services, Community Mental Health Services, Community Health Services, Preventive Health Services, Counseling, Community Networks, Community Participation, Hispanic or Latino
Ivonescimab for the Treatment of Thymic Cancer
Recruiting
This phase II trial tests how well ivonescimab works in treating patients with thymic carcinoma. Immunotherapy with monoclonal antibodies, such as ivonescimab, may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/25/2025
Locations: UCLA / Jonsson Comprehensive Cancer Center, Los Angeles, California
Conditions: Thymus Carcinoma
1321 - 1332 of 5614
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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