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                    Osteoarthritis Paid Clinical Trials in California
A listing of 35  Osteoarthritis  clinical trials  in California  actively recruiting volunteers for paid trials and research studies in various therapeutic areas.
            1 - 12 of 35
        
                The state of California currently has 35 active clinical trials seeking participants for Osteoarthritis research studies. These trials are conducted in various cities, including Los Angeles, San Francisco, San Diego and Sacramento. 
            
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                            Conditions: 
                                    
        
            
                        Overweight
                    
                                    
                        Overweight and Obesity
                    
                                    
                        Obesity
                    
                                    
                        Weight Loss
                    
                                    
                        Morbid Obesity
                    
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                            Conditions: 
                                    
        
            
                        Overweight
                    
                                    
                        Overweight and Obesity
                    
                                    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 Trial
                
                Stroke Clinical Study
            
        Recruiting
            
        A clinical study for people that suffer with Stroke
    
    
                            Conditions: 
                                    
        
            
                        Stroke
                    
                                    Featured Trial
                
                Chronic Kidney Disease (CKD) Clinical Study
            
        Recruiting
            
        A clinical study for people that suffer with Chronic Kidney Disease (CKD)
    
    
                            Conditions: 
                                    
        
            
                        Chronic Kidney Disease (CKD)
                    
                                    Featured Trial
                
                Ischemic heart disease (IHD) Clinical Study
            
        Recruiting
            
        A clinical study for people that suffer with Ischemic heart disease (IHD)
    
    
                            Conditions: 
                                    
        
            
                        Ischemic heart disease (IHD)
                    
                                    
                
                                    A Master Protocol Study (LY900028) of Multiple Intervention-Specific-Appendices (ISAs) in Participants With Chronic Pain
                                
            
            
        Recruiting
                            
            
                The purpose of the chronic pain master protocol is to compare independent pain interventions and establish an overarching structure for the disease-state addenda (DSA) and intervention-specific appendices (ISAs). The ISAs may start independently of other ISAs as interventions become available for clinical testing.             
        
        
    Gender:
                ALL
            Ages:
                18 years and above
            Trial Updated:
                08/22/2025
            
            Locations: Irvine Clinical Research, Irvine, California  +3 locations         
        
        
            Conditions: Osteoarthritis, Knee, Diabetic Neuropathic Pain, Chronic Low-back Pain
        
            
        
    
                
                                    Platelet Rich Plasma Injections In Young And Old Human Subjects
                                
            
            
        Recruiting
                            
            
                This is a randomized, double-blind, placebo-controlled phase 2 study with a secondary crossover phase at the end of the initial trial to ensure all subjects receive one PRP injection. The goal is to identify what proteins change in the blood following repeated intraarticular knee PRP injections in patients with knee osteoarthritis. The objective is to determine the protein changes resulting from a single autologous PRP injection (5 mL) in comparison to a normal saline control.
About 60 subjects...  Read More             
        
        
    Gender:
                ALL
            Ages:
                Between 18 years and 70 years
            Trial Updated:
                08/11/2025
            
            Locations: University of California, San Francisco, California         
        
        
            
        
    
                
                                    Perfusion MRI-targeted Joint Embolization for Chronic Musculoskeletal Pain of the Shoulder, Hip and Knee
                                
            
            
        Recruiting
                            
            
                In this work the investigators will study the relationship between chronic musculoskeletal pain and abnormal blood flow (neovascularity) around the shoulder, hip and knee. Veterans with as history of chronic shoulder, hip or knee pain and mild/moderate joint degenerative changes will be potential study subjects. Blood flow around joints will be evaluated using perfusion magnetic resonance imaging (MRI). Participants with demonstrably abnormal blood flow around their painful joint will be eligibl...  Read More             
        
        
    Gender:
                ALL
            Ages:
                Between 25 years and 80 years
            Trial Updated:
                08/04/2025
            
            Locations: VA Palo Alto Healthcare System, Palo Alto, California         
        
        
            Conditions: Osteoarthritis, Knee, Osteoarthritis, Hip, Osteo Arthritis Shoulders, Synovitis of Knee, Synovitis/Tenosynovitis - Hip, Synovitis, Pain, Chronic
        
            
        
    
                
                                    Pain Relief After Trapeziectomy: Ibuprofen & Acetaminophen Versus Oxycodone
                                
            
            
        Recruiting
                            
            
                In the US, pain management after surgery for surgical treatment of osteoarthritis at the base of the thumb typically consists of prescription opioids during the early recovery phase. Given the highly addictive nature of prescription opioids, guidelines are being evaluated by hand surgeons to reduce opioid use while still maintaining pain control after surgery. A promising approach is to use non-narcotic medication as the first line of treatment. The purpose of this study is to demonstrate the ef...  Read More             
        
        
    Gender:
                ALL
            Ages:
                45 years and above
            Trial Updated:
                08/02/2025
            
            Locations: Stanford Health Care, Redwood City, California         
        
        
            Conditions: Pain, Postoperative, Osteoarthritis Thumb
        
            
        
    
                
                                    A Phase 2b/3a Study to Evaluate the Efficacy and Safety of JointStem in Patients Diagnosed as Knee Osteoarthritis
                                
            
            
        Recruiting
                            
            
                This study is a double-blind, randomized, placebo controlled, multi-center, superiority study to evaluate the efficacy and safety of JointStem, autologous adipose tissue derived mesenchymal stem cells (AdMSC), in patients diagnosed as knee osteoarthritis. Following a 2-week screening period, approximately 140 subjects will be randomly assigned into one of the following two arms in a 1:1 ratio (1 JointStem : 1 Placebo). After each subject completes 48-Weeks visit (Visit 8) and the data management...  Read More             
        
        
    Gender:
                ALL
            Ages:
                18 years and above
            Trial Updated:
                07/21/2025
            
            Locations: TriWest Research Associates, El Cajon, California  +4 locations         
        
        
            Conditions: Osteoarthritis, Knee
        
            
        
    
                
                                    53-Week Study Evaluating the Safety and Efficacy of Intra-articular Injections of TPX-100 With Mild to Severe Tibio-Femoral Osteoarthritis of the Knee
                                
            
            
        Recruiting
                            
            
                53-Week Study Evaluating the Safety and Efficacy of Intra-articular (IA) Injections of TPX-100 vs Placebo in Subjects with Mild to Severe Tibio-Femoral Osteoarthritis of the Knee             
        
        
    Gender:
                ALL
            Ages:
                Between 50 years and 80 years
            Trial Updated:
                07/15/2025
            
            Locations: Legent Orthopedic Hospital, Carrolton, California  +6 locations         
        
        
            Conditions: Osteoarthritis (OA) of the Knee
        
            
        
    
                
                                    MOTION Clinical Trial
                                
            
            
        Recruiting
                            
            
                Prospective, multicenter, two-arm, 2:1 randomized controlled trial (RCT) comparing the benefits in subjects with medial knee osteoarthritis who are treated with either the MISHA Knee System or with non-surgical treatment.
This is the first randomized head-to-head study comparing outcomes from subjects treated with the MISHA Knee System.             
        
        
    Gender:
                ALL
            Ages:
                All
            Trial Updated:
                07/08/2025
            
            Locations: UC Davis Department of Orthopaedic Surgery, Davis, California  +1 locations         
        
        
            Conditions: Osteoarthritis, Knee
        
            
        
    
                
                                    A Study to Assess Safety and Tolerability of PCRX-201 in Subjects With Painful Osteoarthritis of the Knee
                                
            
            
        Recruiting
                            
            
                The goal of this clinical trial is to learn if a single knee injection of different doses (Dose A and Dose B) of an investigation product PCRX-201, following steroid pretreatment, is safe and tolerable in male of female patients 45 to 80 years old with osteoarthritis of the knee. It will also learn how the body reacts to the PCRX-201 injection and how effective the treatment is.
Researchers will compare Dose A and Dose B of PCRX-201 versus placebo from Week 1 through Week 52 to assess adverse e...  Read More             
        
        
    Gender:
                ALL
            Ages:
                Between 45 years and 80 years
            Trial Updated:
                06/21/2025
            
            Locations: Osteoporosis Medical Center, Beverly Hills, California  +3 locations         
        
        
            Conditions: Osteoarthritis (OA) of the Knee
        
            
        
    
                
                                    SakuraBead Used as Resorbable Embolic for Genicular Artery Embolization
                                
            
            
        Recruiting
                            
            
                An open label, prospective, two-arm, multicenter, randomized controlled trial comparing SakuraBead genicular artery embolization (GAE) with a control (corticosteroid injection).             
        
        
    Gender:
                ALL
            Ages:
                Between 40 years and 79 years
            Trial Updated:
                06/04/2025
            
            Locations: Harbor UCLA Medical Center, Torrance, California         
        
        
            Conditions: Osteo Arthritis Knee, Joint Diseases, Musculoskeletal Diseases, Rheumatic Diseases, Arthritis, Osteoarthritis
        
            
        
    
                
                                    Fluoroscopic Versus Ultrasound Guidance for Cooled Radiofrequency Ablation of Geniculate Nerves in Knee Osteoarthritis: A Randomized Control Trial
                                
            
            
        Recruiting
                            
            
                Cooled radiofrequency ablation (cRFA) of the knee geniculate nerves is a promising treatment option for knee osteoarthritis, but has variable efficacy. Fluoroscopy is the typical guidance of choice, but uses bony landmarks to target these nerves which have variable positions around the knee. Alternatively, ultrasound allows for targeting based on visualization of bony landmarks, the nerves, and their accompanying vascular structures, and thus may offer greater accuracy. However, there are few st...  Read More             
        
        
    Gender:
                ALL
            Ages:
                Between 35 years and 99 years
            Trial Updated:
                05/31/2025
            
            Locations: UC Davis Health, Sacramento, California         
        
        
            Conditions: Knee Osteoarthritis
        
            
        
    
                
                                    A Study to Evaluate Efficacy and Safety of AMZ001 for the Treatment of Knee Osteoarthritis Symptoms
                                
            
            
        Recruiting
                            
            
                This is a multicenter, randomized, double-blind, placebo-controlled, parallel group, 6-week trial of a formulation of AMZ001 once daily versus placebo once daily.             
        
        
    Gender:
                ALL
            Ages:
                Between 40 years and 85 years
            Trial Updated:
                05/26/2025
            
            Locations: Millennium Clinical Trials, Thousand Oaks, California         
        
        
            Conditions: Osteoarthritis of Knee, Osteoarthritis, Knee
        
            
        
    
                
                                    Shoulder iD™ Primary Reversed Glenoid Outcomes Clinical Study
                                
            
            
        Recruiting
                            
            
                The goal of the Shoulder iD™ Primary Reversed Glenoid Outcomes Clinical Study is to collect safety and performance data on the commercially available Shoulder iD™ Primary Reversed Glenoid device. The study will learn about standard device use in adult patients who have a functional deltoid muscle and massive and non-repairable rotator cuff tear. The main questions it aims to answer are:
* What is the average improvement in patient-reported shoulder function after 2 years when compared to before...  Read More             
        
        
    Gender:
                ALL
            Ages:
                18 years and above
            Trial Updated:
                05/22/2025
            
            Locations: UCSF, San Francisco, California         
        
        
            Conditions: Rotator Cuff Tears, Rheumatoid Arthritis Shoulder, Osteoarthritis Shoulder, Avascular Necrosis of the Head of Humerus, Fracture, Humeral, Traumatic Arthritis of Right Shoulder Region (Diagnosis), Shoulder Deformity
        
            
        
    1 - 12 of 35
            