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Pain Paid Clinical Trials in California
A listing of 139 Pain clinical trials in California actively recruiting volunteers for paid trials and research studies in various therapeutic areas.
85 - 96 of 139
The state of California currently has 139 active clinical trials seeking participants for Pain research studies. These trials are conducted in various cities, including Los Angeles, San Francisco, San Diego and Sacramento.
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
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
Buy Retatrutide Online Through Celia
Recruiting
Retatrutide (formerly M25) is an investigational peptide being studied for its potential in supporting weight management and metabolic health. It acts on GLP-1, GIP, and glucagon receptors to influence appetite, energy regulation, and fat metabolism.
Conditions:
Healthy
Featured Offer
Find the Best GLP-1 Weight Loss Providers (2025)
Recruiting
Cutting-edge GLP-1 treatments like semaglutide and tirzepatide are helping thousands lose weight with medically guided support. But with so many online providers, how do you know which programs are trusted, affordable, and right for you?
We reviewed the top GLP-1 brands of 2025 — comparing pricing, prescription process, shipping, pharmacy partners, and real user ratings — to help you find a safe, convenient, and effective path toward your weight-loss goals.
- 100% online programs
- Licensed U.S. clinicians
- Fast shipping & flexible payments
See the rankings & choose the GLP-1 provider that fits your life.
We reviewed the top GLP-1 brands of 2025 — comparing pricing, prescription process, shipping, pharmacy partners, and real user ratings — to help you find a safe, convenient, and effective path toward your weight-loss goals.
- 100% online programs
- Licensed U.S. clinicians
- Fast shipping & flexible payments
See the rankings & choose the GLP-1 provider that fits your life.
Conditions:
Overweight
Overweight and Obesity
Obesity
Weight Loss
Morbid Obesity
Featured Trial
Get Your New Jersey Medicinal Marijuana Card (10% Off)
Recruiting
Elevate Holistics connects patients with licensed physicians who guide them through their state’s eligibility process for qualifying conditions such as chronic pain, anxiety disorders, or sleep challenges. Compassionate, compliant care every step of the way.
Use code PACSHORE10 for 10% off your consultation fee.
For adults 21+ or qualifying patients under state law. Availability varies by state.
Use code PACSHORE10 for 10% off your consultation fee.
For adults 21+ or qualifying patients under state law. Availability varies by state.
Conditions:
Anxiety
Depression
Major Depressive Disorder
Pain
Chronic Pain
Featured Trial
Get Your Missouri Medicinal Marijuana Card (10% Off)
Recruiting
Elevate Holistics connects patients with licensed physicians who guide them through their state’s eligibility process for qualifying conditions such as chronic pain, anxiety disorders, or sleep challenges. Compassionate, compliant care every step of the way.
Use code PACSHORE10 for 10% off your consultation fee.
For adults 21+ or qualifying patients under state law. Availability varies by state.
Use code PACSHORE10 for 10% off your consultation fee.
For adults 21+ or qualifying patients under state law. Availability varies by state.
Conditions:
Anxiety
Depression
Major Depressive Disorder
Pain
Chronic Pain
Limited Ankle Dorsiflexion and Effect on Single Limb Squats in Individuals With Patellofemoral Pain
Recruiting
The purpose of this graduate student research study is to investigate the relationship between limited ankle dorsiflexion and the potential effects on a single limb squat task in the Patellofemoral/Knee Pain population.
Gender:
FEMALE
Ages:
Between 18 years and 59 years
Trial Updated:
02/03/2025
Locations: Loma Linda University, Loma Linda, California
Conditions: Patellofemoral Pain
Pulsed Electromagnetic Field (PEMF) Therapy for Post-operative Pain Following Orthopedic Surgery
Recruiting
The primary objective of this study is to prospectively determine, at 10 days after orthopedic shoulder or knee surgery, if pulsed electromagnetic field (PEMF) therapy is beneficial in reducing patient-reported post-operative pain, as measured by visual analog scale (VAS). The amount of pain medication taken daily and the physical function outcome scores after surgery and PEMF treatment will also be measured.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
01/22/2025
Locations: Stanford University, Redwood City, California
Conditions: Knee Injuries, Shoulder Injuries, Pain, Postoperative
EXPLORER Total Body PET/CT Imaging for Myofascial Pain
Recruiting
The main objective of this study is to establish novel measures derived from Total-body-Positron Emission Tomography/Computed Tomography (TB-PET/CT) as quantitative biomarkers for the investigation of myofascial pain. The TB-PET/CT assessed measures are those reflective of myofascial tissue metabolism, perfusion, and fatty infiltration.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
01/16/2025
Locations: University of California Davis Health, Sacramento, California
Conditions: Myofascial Pain
The Effect of Micro Fragmented Adipose Tissue (MFAT) on Shoulder Osteoarthritis
Recruiting
This is a non-surgical trial comparing the clinical and functional outcomes of patients with osteoarthritis treated with Intra-articular injection of Micro Fragmented Adipose Tissue versus conventional therapy of intra-articular injection of corticosteroid.
Gender:
ALL
Ages:
Between 25 years and 75 years
Trial Updated:
01/08/2025
Locations: Stanford University, Stanford, California
Conditions: Osteoarthritis Shoulder, Shoulder Pain
Quadratus Lumborum Block for Total Hip Arthroplasty
Recruiting
The quadratus lumborum (QL) block is a fascial plane block that has been described to provide analgesia from T7-L3 dermatomes. The investigators aim to evaluate the efficacy of QL blocks in patients undergoing primary total hip arthroplasty (THA).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
12/18/2024
Locations: UCLA Medical Center, Santa Monica, Santa Monica, California
Conditions: Pain, Postoperative
Dextromethorphan for Treatment of Postoperative Pain
Recruiting
A Randomized, Placebo-Controlled Study to Evaluate the Efficacy of Perioperative Dextromethorphan compared to Placebo for the Treatment of Postoperative Pain
Gender:
ALL
Ages:
18 years and above
Trial Updated:
12/10/2024
Locations: Keck School of Medicine of USC, Los Angeles, California
Conditions: Post-operative Pain
Passive VS Active VR on HPT Using the Thermal Sensory Analyzer With a Peltier-Based Contact Thermode
Recruiting
This is a prospective, crossover study of healthy participants evaluating the impact of passive vs. active virtual reality (VR) games on heat pain threshold (HPT).
Gender:
ALL
Ages:
Between 18 years and 99 years
Trial Updated:
12/05/2024
Locations: Lucile Parkard Children's Hospital, Stanford, California
Conditions: Pain, Anxiety
Topical Treatment for TMJ Arthralgia
Recruiting
The goal of this clinical trial is to evaluate the efficacy of topical 2.5% hydrocortisone in TMJ arthralgia. The main questions it aims to answer are:
* How does pain reduction compare?
* How does improvement in jaw function limitation compare?
* How do side effects compare? Participants will
* On day 1 be examined and report their pain level and jaw function limitation
* On days 1-21, apply their cream four times a day
* On day 21, report their pain level, jaw function limitation, compliance... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
12/05/2024
Locations: Arthur A. Dugoni School of Dentistry, University of the Pacific, San Francisco, California
Conditions: TMJ Pain
Evaluation of the Effects of a Rehabilitation Program in Individuals with Spine Pain
Recruiting
SpineZone is an innovative physical therapy program with its focus on treatment of cervical, thoracic, and lumbar conditions through the use of a multi-disciplinary, technology enabled platform. Standard physical therapy modalities including psychologically informed physical therapy are employed in addition to online coaching with a fundamental tenant of core strengthening. Treatments are tracked and modified in a multi-disciplinary format taking all radiographic studies into direct consideratio... Read More
Gender:
ALL
Ages:
Between 18 years and 89 years
Trial Updated:
11/26/2024
Locations: SpineZone, San Diego, California
Conditions: Neck Pain, Low Back Pain, Scoliosis, Thoracic Injuries
Group-based Integrative Pain Management in Primary Care Safety Net Clinics
Recruiting
Socioeconomically disadvantaged populations have a high prevalence of chronic pain, exacerbated by social isolation, intersectional stigma, and disparities in pain assessment and treatment options. Effective interventions using a multilevel, biopsychosocial approach are needed to decrease the unequal burden of pain. The proposed study will test group-based integrative models of pain management in primary care safety net clinics to improve pain care for racially and ethnically diverse low-income... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
11/25/2024
Locations: Tom Waddell Urban Health Clinic, San Francisco, California
Conditions: Chronic Pain
Comparing Effectiveness of Duloxetine and Desipramine in Patients With Chronic Pain: A Pragmatic Trial Using Point of Care Randomization
Recruiting
Over 100 million Americans suffer from chronic pain resulting in annual cost of roughly $635 billion. Limited treatments are available for this widespread disease. The data supporting these treatments lack generalizability to patients with more serious medical and psychological comorbidities who are often excluded from explanatory efficacy trials. Our work aims to integrate randomized comparative effectiveness research with patient care. The investigators will randomize the patients and collect... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
11/21/2024
Locations: Stanford Pain Management Center, Redwood City, California
Conditions: Chronic Pain
Empowered Relief for Youth
Recruiting
The purpose of this pilot study is to examine the feasibility and preliminary efficacy of Empowered Relief for Youth with chronic pain (ER-Y). ER-Y is a single-session pain management class for youth focused on pain science education and teaching self-regulatory skills for pain management based on the evidence-based adult ER class. Feasibility and acceptability of ER-Y will be assessed post-class. Preliminary efficacy will be assessed by administering surveys at baseline, 4-weeks, 8-weeks, and 1... Read More
Gender:
ALL
Ages:
Between 10 years and 18 years
Trial Updated:
11/21/2024
Locations: Stanford University, Palo Alto, California
Conditions: Chronic Pain, Musculoskeletal Pain, Fibromyalgia, Neuropathic Pain, Complex Regional Pain Syndromes, Abdominal Pain
85 - 96 of 139
