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California Paid Clinical Trials
A listing of 5598 clinical trials in California actively recruiting volunteers for paid trials and research studies in various therapeutic areas.
1 - 12 of 5598
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California is currently home to 5598 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.
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Paid Clinical Studies Nationwide
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Nationwide clinical trials offered in your area. Some trials offering up to several thousand dollars in compensation for participation.
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Conditions:
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Overweight and Obesity
Obesity
Weight Loss
Morbid Obesity
A Study to Investigate Progression-Free Survival With Sonrotoclax Plus Obinutuzumab Or Sonrotoclax Plus Rituximab Compared With Venetoclax Plus Rituximab Treatment In Patients With Relapsed and/or Refractory Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma (CELESTIAL-RRCLL)
Recruiting
The goal of this study is to compare how well sonrotoclax plus obinutuzumab works versus venetoclax plus rituximab in treating adults with relapsed and/or refractory (R/R) chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL). The study will also compare how well sonrotoclax plus rituximab works versus venetoclax plus rituxumab in treating adults with R/R CLL/SLL. The safety of these treatments will also be assessed.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/23/2025
Locations: Chao Family Comprehensive Cancer Center, Orange, California
Conditions: Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma
Study of BLU-808 in Chronic Inducible Urticaria (CIndU) and Chronic Spontaneous Urticaria (CSU)
Recruiting
This is a 2-part, proof-of-concept study to be conducted globally, designed to evaluate the safety, tolerability, clinical activity, pharmacokinetics, and pharmacodynamics of BLU-808, a wild type KIT inhibitor, in participants with CIndU (Part A) or CSU (Part B).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/23/2025
Locations: Modena Allergy & Asthma Clinical Research - La Jolla, La Jolla, California
Conditions: Chronic Inducible Urticaria, Chronic Spontaneous Urticaria
A Study to Test Different Doses of BI 765049 in People With Advanced Cancer of the Colon, Rectum, Stomach, or Pancreas
Recruiting
This study is open to adults with advanced cancer of the colon, rectum, stomach, or pancreas, that is the cancer cannot be removed by surgery or has spread. People can take part in this study if their previous treatment was not successful, or no other treatment exists.
The study aims to find the highest dose for the study medicine called BI 765049 that people with advanced cancer can tolerate. Another purpose is to find the most suitable dose and best way of administration of BI 765049 for furt... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/23/2025
Locations: Valkyrie Clinical Trials, Los Angeles, California
Conditions: Colorectal Carcinoma, Gastric Carcinoma, Pancreatic Ductal Adenocarcinoma
Patient Reported Experiences With Sparing External Oblique Fascia Vs Standard Inguinal Orchiectomy
Recruiting
The purpose of this study is to evaluate the difference in patient-reported postoperative outcomes between two standard-of-care surgical techniques for radical orchiectomy (inguinal orchiectomy versus external oblique fascia sparing orchiectomy) for treatment of patients with suspected testicular malignancy. The main questions it aims to answer are:
1. Does sparing the external oblique fascia during orchiectomy reduce pain after surgery?
2. Is there a difference in narcotic consumption after su... Read More
Gender:
MALE
Ages:
18 years and above
Trial Updated:
06/23/2025
Locations: Loma Linda University, Loma Linda, California
Conditions: Testicular Cancer
Non-healing Venous Leg Ulcers Treated With Standard Care With or Without BR-AC
Recruiting
This study examines a patient population with a non-healing, non-infected venous leg ulcer (VLU) having adequate arterial perfusion with confirmed venous reflux. It is hypothesized that weekly applications of the human placental allograft BioREtain® Amnion Chorion (BR-AC) applied to a non-healing VLU will result in a higher proportion of wounds showing complete healing within 12 weeks of initiating therapy, compared to standard care alone.
This study has a crossover period, where subjects on st... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/23/2025
Locations: Site 2b, Castro Valley, California
Conditions: Non-infected Venous Leg Ulcer, Venous Leg Ulcer, Venous Insufficiency, Venous Stasis, Venous Reflux
BGB-21447 (Bcl-2 Inhibitor) Combinations for Adults With Hormone-Receptor Positive (HR+)/Human Epidermal Growth Factor Receptor 2 Negative (HER2-) Metastatic Breast Cancer
Recruiting
The purpose of this study is to assess the safety and tolerability of BGB-21447 (a B-cell leukemia/lymphoma 2 inhibitor, Bcl-2i) in combination with fulvestrant, with or without BGB-43395 (cyclin-dependent kinase 4 inhibitor, CDK4i), in adults with HR+/HER2- metastatic breast cancer.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/23/2025
Locations: Hoag Memorial Presbyterian, Newport Beach, California
Conditions: Hormone-receptor-positive Breast Cancer, HER2-negative Breast Cancer, Metastatic Breast Cancer
A Randomized Comparison of Personalized Therapy Mgmt Based On Coronary Atherosclerotic Plaque Vs. Usual Care for Symptomatic Patients With Suspicion of CAD
Recruiting
PARAMOUNT is a prospective randomized open-label trial testing the hypothesis that a personalized management strategy in symptomatic patients with suspicion of coronary artery disease (CAD), using a CT-based coronary atherosclerotic plaque assessment by AI-enabled quantitative software improves: certainty for diagnosis of CAD, control of CAD risk factors and efficiency of ICA referral with appropriate PCI compared to the usual care strategy based on current AHA/ACC guidelines for care of symptom... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/23/2025
Locations: Valiance Clinical Research- Huntington Park, Huntington Park, California
Conditions: Coronary Artery Disease
Long-Term, Open-label Study of Oral Deucrictibant Extended-Release Tablet for Prophylaxis Against Angioedema Attacks in Adolescents and Adults With HAE
Recruiting
This is a Phase 3, multicenter, long-term, open-label study to evaluate the safety and efficacy of once-daily orally administered deucrictibant extended-release tablet for prophylaxis to prevent angioedema attacks in participants aged ≥12 years with Hereditary Angioedema
Gender:
ALL
Ages:
12 years and above
Trial Updated:
06/23/2025
Locations: Study Site, Santa Monica, California
Conditions: Hereditary Angioedema (HAE)
A Study to Learn About a Study Medicine Called Ibuzatrelvir in Adult and Adolescent Patients With COVID-19 Who Are Not Hospitalized But Are at Risk For Severe Disease
Recruiting
The purpose of the study is to evaluate whether ibuzatrelvir is effective and safe in adults and adolescents with COVID-19 who do not need to be in the hospital but who are at high risk for progression to severe disease. Eligible participants will be randomly assigned (by chance) to receive ibuzatrelvir or matching placebo orally for 5 days. Co-administration of locally available standard of care is allowed. The total duration of the study is around 6 months.
Gender:
ALL
Ages:
12 years and above
Trial Updated:
06/23/2025
Locations: National Institute of Clinical Research - Bakersfield, Bakersfield, California
Conditions: COVID-19 SARS-CoV-2 Infection
Study of Oral Deucrictibant Extended-Release Tablet for Prophylaxis Against Angioedema Attacks in Adolescents and Adults With HAE
Recruiting
This is a Phase 3, multicenter, randomized, double-blind, placebo-controlled study to evaluate the efficacy and safety of once-daily orally administered deucrictibant extended-release tablet compared to placebo for prophylaxis to prevent angioedema attacks in participants aged ≥ 12 years with hereditary angioedema.
Gender:
ALL
Ages:
12 years and above
Trial Updated:
06/23/2025
Locations: Study site, Santa Monica, California
Conditions: Hereditary Angioedema (HAE)
A Study to Learn About the Study Medicine Called Rimegepant in Women When Used for Intermittent Prevention of Menstrual Migraine
Recruiting
The purpose of this study is to evaluate the efficacy and safety of rimegepant when administered during the peri-menstrual period (PMP) for intermittent prevention of migraine in women who experience menstrual migraine attacks.
Gender:
FEMALE
Ages:
Between 18 years and 45 years
Trial Updated:
06/23/2025
Locations: Hope Clinical Research, Inc., Canoga Park, California
Conditions: Menstrual Migraine
Evaluation of Efficacy and Safety of VX-993 for Pain Associated With Diabetic Peripheral Neuropathy
Recruiting
The purpose of this study is to evaluate the efficacy, safety, and tolerability of VX-993 in participants with pain associated with Diabetic Peripheral Neuropathy (DPN)
Gender:
ALL
Ages:
Between 18 years and 80 years
Trial Updated:
06/23/2025
Locations: Trovare Clinical Research, Bakersfield, California
Conditions: Diabetic Peripheral Neuropathic Pain
1 - 12 of 5598
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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