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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.
4921 - 4932 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 Therapy
Unique Treatment for High Blood Pressure
Worried about high blood pressure? Think beyond typical high blood pressure treatments.
People who may be candidates for this procedure:
• Are at least 18 years old
• Have been unable to manage their high blood pressure with medications or lifestyle changes alone¹
Learn about a safe and effective procedure that may help reduce high blood pressure. See if you qualify today.
¹ Kandzari DE, et al. J Am Coll Cardiol. Nov 7, 2023;82(19):1809-1823.
People who may be candidates for this procedure:
• Are at least 18 years old
• Have been unable to manage their high blood pressure with medications or lifestyle changes alone¹
Learn about a safe and effective procedure that may help reduce high blood pressure. See if you qualify today.
¹ Kandzari DE, et al. J Am Coll Cardiol. Nov 7, 2023;82(19):1809-1823.
Conditions:
High Blood Pressure
High Blood Pressure (& [Essential Hypertension])
High Blood Pressure (Hypertension).
Hypertension
Essential Hypertension
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
Discover Clinical Trials In Your Area (Compensation Provided)
Recruiting
Clinical trials in your area are actively enrolling — and they compensate you for your time. Finding the right one has never been easier.
- Matched to trials in your zip code
- Compensation for time & travel
- Free or low-cost treatments available
- No experience or medical background needed
- Takes just 30 seconds to see if you qualify
- Matched to trials in your zip code
- Compensation for time & travel
- Free or low-cost treatments available
- No experience or medical background needed
- Takes just 30 seconds to see if you qualify
Conditions:
Healthy
Healthy Volunteers
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Semaglutide and Tirzepatide are advanced GLP-1 medications designed to support weight management and metabolic health. They work by targeting GLP-1 receptors in the body, helping regulate appetite, improve blood sugar control, and support sustainable weight loss (up to 22% of body weight).
Get $50 off your first order using promo code: policy-lab-50
Conditions:
Overweight
Overweight and Obesity
Obesity
Weight Loss
Morbid Obesity
A Randomized, Double-blind, Parallel-group, Two-arm, Multiple Dose, Multicenter, Bioequivalence Study With Clinical Endpoint in the Treatment of Subjects With Chronic Open-angle Glaucoma or Ocular Hypertension in Both Eyes
Recruiting
A randomized, double-blind, parallel-group, two-arm, multiple dose, multicenter, clinical endpoint bioequivalence study
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/05/2024
Locations: West Coast Eye Institute, Bakersfield, California
Conditions: Open-angle Glaucoma, Ocular Hypertension
Treatment of Meniere's Disease With Migraine Medications
Recruiting
Meniere's disease (MD) is a chronic disease with a variety of fluctuating signs and symptoms, which include vertigo, hearing loss, tinnitus (ringing noise in the ear), aural pressure (feeling of ear fullness), and disequilibrium (lack of stability). Vertigo represents one of the most common and distressing problems in MD patients, and it causes various somatic and psychological disorders that interfere with the patient's quality of life. Despite the large economic and emotional impact of symptom... Read More
Gender:
ALL
Ages:
Between 25 years and 85 years
Trial Updated:
08/05/2024
Locations: University of California, Irvine Medical Center ENT Clinic (Pavilion 2), Orange, California
Conditions: Ménière
Telehealth-delivered HealthcaRe to ImproVe Care
Recruiting
Objective 1:
Evaluate patients' satisfaction with their telehealth care and determine factors associated with satisfaction.
Objective 2:
Deploy PROs and patient self-assessment tools, specifically a patient-facing instructional in-app tool that instructs RA patients how to perform self-assessment examinations to observe and report the number of tender and swollen joint counts.
Gender:
ALL
Ages:
19 years and above
Trial Updated:
08/05/2024
Locations: Attune Health Research Inc, Beverly Hills, California
Conditions: Telemedicine
The Mitopure Challenge to Detect Levels of Urolithin A in Dried Blood Spots
Recruiting
Open labelled, virtual home based study to assess the test repeatability and the failure/rejection rate of the samples collected at home by participants.
Gender:
ALL
Ages:
Between 18 years and 80 years
Trial Updated:
08/05/2024
Locations: Amazentis USA, San Francisco, California
Conditions: Healthy Aging, Healthy, Healthy Diet
Transpacific TAVR Registry
Recruiting
This registry evaluates the long-term outcome of Transcatheter aortic valve replacement (TAVR) in real-world clinical practice.
Gender:
ALL
Ages:
19 years and above
Trial Updated:
08/04/2024
Locations: Stanford University, Stanford, California
Conditions: Heart Valve Diseases, Aortic Valve Insufficiency
Chemoradiation vs Immunotherapy and Radiation for Head and Neck Cancer
Recruiting
The purpose of this study is to compare any good or bad effects of using pembrolizumab (an experimental drug) and radiation therapy (RT), compared to using cisplatin chemotherapy and radiation therapy (RT) in the treatment of patients with head and neck squamous cell carcinoma (HNSCC).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/02/2024
Locations: UC San Diego Moores Cancer Center, La Jolla, California
Conditions: Head and Neck Squamous Cell Carcinoma, Cancer, Cancer of Head and Neck, Cancer, Advanced, Cancer, Metastatic, Tumor, Tumor Recurrence, Tumor Neck, Tumor Metastasis, Oral Cancer, Oropharyngeal Cancer, Oropharynx Cancer, Oropharynx Cancer, Stage III, Oropharynx Cancer, Recurrent, Oropharynx Cancer, Metastatic
OMEGA: Outcome Measures in Eosinophilic Gastrointestinal Disorders Across the Ages
Recruiting
The purpose of this observational study is to find the best measures to define how well a person with eosinophilic disorder is doing. People with EoE, EoG, EoN and EoC normally undergo endoscopy and/or colonoscopy where cells are collected for microscopic analysis. Treatments are then decided based on how the cells look. We are aiming to compare different tissue components such as inflammatory cell types with clinical symptoms. We want to see if scores on standard questionnaires can give us an i... Read More
Gender:
ALL
Ages:
3 years and above
Trial Updated:
08/02/2024
Locations: Rady Children's Hospital, San Diego, California
Conditions: Eosinophilic Gastrointestinal Disorders (EGIDs), Eosinophilic Esophagitis, Eosinophilic Colitis, Eosinophilic Gastritis, Eosinophilic Gastroenteritis
A Study to Evaluate Efficacy and Safety of MELT-300 for Procedural Sedation in Subjects Undergoing Cataract Extraction With Lens Replacement (CELR)
Recruiting
The goal of this clinical trial is to learn if MELT-300 works on procedural sedation in adult participants undergoing cataract extraction with lens replacement (CELR). It will also learn about the safety of MELT-300. Researchers will compare MELT-300 to a placebo (a look-alike substance that contains no drug) to see if MELT-300 works on procedural sedation in adult participants undergoing CELR. Researchers will also include a comparator SL midazolam to confirm the benefit of inclusion of ketamin... Read More
Gender:
ALL
Ages:
Between 18 years and 65 years
Trial Updated:
08/01/2024
Locations: Ridge Eye Care, Inc., Chico, California
Conditions: Cataract
Cabozantinib in Combination With 13-cis-Retinoic Acid in Children With Relapsed or Refractory Solid Tumors
Recruiting
This study is being conducted in order to determine the safety, dose-limiting toxicities, and maximum tolerated dose of cabozantinib in combination with 13-cis-retinoic acid in patients with relapsed or refractory solid tumors including tumors of the central nervous system (CNS)
Gender:
ALL
Ages:
Between 2 years and 26 years
Trial Updated:
08/01/2024
Locations: Rady Children's Hospital - San Diego, San Diego, California
Conditions: Solid Tumor
Vinblastine/Prednisone Versus Single Therapy With Cytarabine for Langerhans Cell Histiocytosis (LCH)
Recruiting
Langerhans Cell Histiocytosis (LCH) is a type of cancer that can damage tissue or cause lesions to form in one or more places in the body. Langerhans cell histiocytosis (LCH) is a cancer that begins in LCH cells (a type of dendritic cell which fights infection). Sometimes there are mutations (changes) in LCH cells as they form. These include mutations of the BRAF gene. These changes may make the LCH cells grow and multiply quickly. This causes LCH cells to build up in certain parts of the body,... Read More
Gender:
ALL
Ages:
21 years and below
Trial Updated:
08/01/2024
Locations: Stanford Children's Hospital, Lucile Packard Children's Hospital, Palo Alto, California
Conditions: Langerhans Cell Histiocytosis
Music-Based Interventions, Aging, Alzheimer's Disease
Recruiting
Using a randomized controlled trial design, the investigators will examine the effects of music engagement through choir training on the hearing, communication, and psychosocial well-being of older adults, particularly those at heightened risk of developing dementia.
Gender:
ALL
Ages:
65 years and above
Trial Updated:
07/31/2024
Locations: University of Southern California, Los Angeles, California
Conditions: Speech Perception, Anxiety, Social Behavior
Effect of TXA Oral Sol 5% in Patients Treated With DOACs or VKA and Undergoing a Single or Multiple Tooth Extraction
Recruiting
The purpose of this study is to assess the effect of Tranexamic Acid Oral Solution 5% in patients treated with direct oral anticoagulants or vitamin K antagonists and undergoing a single or multiple tooth extraction.
Gender:
ALL
Ages:
Between 18 years and 99 years
Trial Updated:
07/31/2024
Locations: Loma Linda University School of Dentistry, Loma Linda, California
Conditions: Bleeding From Teeth, Bleeding Prophylaxis
4921 - 4932 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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