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California Paid Clinical Trials
A listing of 5588 clinical trials in California actively recruiting volunteers for paid trials and research studies in various therapeutic areas.
529 - 540 of 5588
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California is currently home to 5588 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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Conditions:
Overweight
Overweight and Obesity
Obesity
Weight Loss
Morbid Obesity
Study of Romiplostim for Chemotherapy-induced Thrombocytopenia in Adult Subjects With Non-small Cell Lung Cancer (NSCLC), Ovarian Cancer, or Breast Cancer
Recruiting
To evaluate the efficacy of romiplostim for the treatment of CIT in patients receiving chemotherapy for the treatment of NSCLC, ovarian cancer, or breast cancer measured by the ability to administer on-time, full-dose chemotherapy
Gender:
ALL
Ages:
Between 18 years and 100 years
Trial Updated:
06/25/2025
Locations: Los Angeles Cancer Network, Anaheim, California
Conditions: Chemotherapy-induced Thrombocytopenia
A Study of Etelcalcetide in Pediatric Subjects With Secondary Hyperparathyroidism and Chronic Kidney Disease on Hemodialysis
Recruiting
This is a Phase 3 Study of Etelcalcetide in Pediatric Subjects With Secondary Hyperparathyroidism and Chronic Kidney Disease on Hemodialysis
Gender:
ALL
Ages:
Between 0 years and 18 years
Trial Updated:
06/25/2025
Locations: Childrens Hospital of Los Angeles, Los Angeles, California
Conditions: Secondary Hyperparathyroidism, Chronic Kidney Disease
Mucopolysaccharidosis VII Disease Monitoring Program
Recruiting
The objectives of this study are to characterize MPS VII disease presentation and progression and assess long-term effectiveness and safety, including hypersensitivity reactions and immunogenicity of vestronidase alfa.
Gender:
ALL
Ages:
All
Trial Updated:
06/25/2025
Locations: Children's Hospital of Orange County, Orange, California
Conditions: Mucopolysaccharidosis VII, MPS VII, MPS 7, Sly Syndrome
A Study to Evaluate the Long-Term Efficacy and Safety of Mirikizumab in Participants With Moderately to Severely Active Ulcerative Colitis (LUCENT 3)
Recruiting
This study is designed to evaluate the long-term efficacy and safety of mirikizumab in participants with moderately to severely active ulcerative colitis (UC). The study will last up to 3 years. Participants who complete the 3-year study may continue to receive mirikizumab until it is (outside of this study) in their country or until they meet other discontinuation criteria.
Gender:
ALL
Ages:
Between 18 years and 80 years
Trial Updated:
06/25/2025
Locations: InSite Digestive Health Care, Arcadia, California
Conditions: Ulcerative Colitis
A Study of Galcanezumab (LY2951742) in Participants 6 to 17 Years of Age With Episodic Migraine
Recruiting
The main purpose of this study is to evaulate the efficacy and safety of galcanezumab in participants 6 to 17 years of age for the preventive treatment of episodic migraine. The primary objective is to demonstrate the superiority of galcanezumab versus placebo in the reduction of monthly migraine headache days across the 3-month double-blind treatment period.
Gender:
ALL
Ages:
Between 6 years and 17 years
Trial Updated:
06/25/2025
Locations: Miller Children's & Women's Hospital Long Beach, Long Beach, California
Conditions: Episodic Migraine
Optune Delivered Electric Field Therapy and Bevacizumab in Treating Patients With Recurrent or Progressive Grade 2 or 3 Meningioma
Recruiting
The purpose of this research study is to determine the effects bevacizumab (the study drug) combined with Optune (the study device) tumor treatment field therapy has on meningiomas. Bevacizumab is considered investigational because the US Food and Drug Administration (FDA) has not approved its use for the treatment of meningiomas. The study drug is a medication that blocks the growth of new blood vessels. It is thought that the study drug may interfere with the growth of new blood vessels and th... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/25/2025
Locations: John Wayne Cancer Center at Providence St. John's Health Center, Santa Monica, California
Conditions: Anaplastic (Malignant) Meningioma, Atypical Meningioma, Grade II Meningioma, Grade III Meningioma, Recurrent Meningioma, Supratentorial Meningioma
A Master Protocol for Orforglipron (LY3502970) in Participants With Obesity or Overweight With and Without Type 2 Diabetes
Recruiting
The purpose of this Master Protocol is to support two studies to see how well and how safely orforglipron works compared to placebo in participants who have obesity or overweight with or without type 2 diabetes. Participants will be screened for about 4 weeks, after which they will enroll into either J2A-MC-GZP1, NCT06972459 (do not have type 2 diabetes) or J2A-MC-GZP2, NCT06972472 (have type 2 diabetes).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/24/2025
Locations: Norcal Endocrinology & Internal Medicine, San Ramon, California
Conditions: Obesity, Overweight, Type 2 Diabetes
Virtual Reality Interventions for the Improvement of Depression, Anxiety and Pain in Patients With Head and Neck Cancer and Caregivers
Recruiting
This clinical trial tests how well a three-dimensional (3D) mindfulness virtual reality (VR) versus (vs) two-dimensional (2D) non-immersive interventions works in improving depression, anxiety, pain, and/or stress in patients with head and neck cancer (HNC) undergoing radiation or chemoradiation (C/RT), and their caregivers. HNC patients undergoing C/RT can experience higher levels of depression, anxiety, distress and pain that negatively impact their quality of life. VR allows for a realistic e... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/24/2025
Locations: City of Hope Medical Center, Duarte, California
Conditions: Head and Neck Carcinoma
A Study of Orforglipron (LY3502970) in Participants With Obesity or Overweight and at Least One Weight-Related Comorbidity
Recruiting
The main purpose of this study is to see how orforglipron, compared with placebo, helps reduce body weight in participants with obesity or with overweight and at least one other related health condition (excluding type 2 diabetes). This trial is part of the master protocol study J2A-MC-GZPO.
Participation in the study will last about 18 months.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/24/2025
Locations: Norcal Endocrinology & Internal Medicine, San Ramon, California
Conditions: Obesity, Overweight
A Long-Term Study of Tirzepatide (LY3298176) in Adults With Type 1 Diabetes and Obesity or Overweight
Recruiting
The main purpose of this study is to find out how well and how safely tirzepatide works long-term in adults who have type 1 diabetes and obesity or overweight. Participation in the study will last about 20 months.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/24/2025
Locations: Kaiser Permanente Bonita Medical Offices, Bonita, California
Conditions: Type 1 Diabetes, Obesity, Overweight
A Master Protocol for Orforglipron (LY3502970) in Participants With Hypertension and Obesity or Overweight: (ATTAIN-Hypertension Screening)
Recruiting
The GZPL master protocol will support 2 independent studies, J2A-MC-GZL1 (GZL1) and J2A-MC-GZL2 (GZL2). The purpose of this study is to create a framework to evaluate the safety and efficacy of orforglipron for the treatment of hypertension in participants with obesity or overweight.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/24/2025
Locations: Valley Clinical Trials, Inc., Covina, California
Conditions: Hypertension
A Study to Investigate the Efficacy and Safety of Lebrikizumab in Participants With Moderate-to-Severe Atopic Hand and Foot Dermatitis
Recruiting
The main purpose of this study is to assess the efficacy of lebrikizumab versus placebo on skin lesions in adults and adolescent participants with atopic hand and foot dermatitis.
This study lasts up to 32 weeks, including a 6-week screening period, a 16-week treatment period, and a safety follow-up visit 12 weeks after the last dose.
Gender:
ALL
Ages:
12 years and above
Trial Updated:
06/24/2025
Locations: First OC Dermatology Research Inc, Fountain Valley, California
Conditions: Atopic Hand and Foot Dermatitis
529 - 540 of 5588
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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