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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.
73 - 84 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 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
Featured Offer
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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
Featured Procedure
Lower Limb Post-Amputation Pain?
Chronic Amputation Pain of the Lower Limb can make everyday movements feel like uphill battles.
In a clinical study, Altius patients reported real progress:
- 44% increase in walking ability
- 45% improvement in overall quality of life
Take the survey to learn more about Altius as a pain relief option for chronic amputation pain of the lower limb.
Consult with a doctor. Risks may include surgical, device, and stimulation-related complications. Results may vary.
In a clinical study, Altius patients reported real progress:
- 44% increase in walking ability
- 45% improvement in overall quality of life
Take the survey to learn more about Altius as a pain relief option for chronic amputation pain of the lower limb.
Consult with a doctor. Risks may include surgical, device, and stimulation-related complications. Results may vary.
Conditions:
Amputation
Lower Limb Amputation
Lower Limb Amputation Above Knee (Injury)
Lower Limb Amputation Below Knee (Injury)
Phantom Limb Pain
Psilocybin Therapy for Chronic Low Back Pain
Recruiting
This study evaluates whether psilocybin therapy helps patients cope with chronic low back pain more effectively. Patients may be recruited at Stanford and University of California San Francisco (UCSF), study procedures will occur at UCSF. Each participant will receive a dose of psilocybin with possibly one or more other drugs. Participants will undergo two preparation sessions, a dosing session, three integration sessions to discuss their psilocybin experience, and several follow up sessions.
Gender:
ALL
Ages:
Between 25 years and 70 years
Trial Updated:
03/17/2025
Locations: University of California San Francisco, San Francisco, California
Conditions: Chronic Low-back Pain
The DISCOVER INOCA Prospective Multi-center Registry
Recruiting
The overall objective of this multi-center registry is to identify specific phenotypes of INOCA with both an anatomic evaluation (coronary angiography and intravascular imaging) and physiologic assessment with the Abbott Coroventis Coroflow Cardiovascular System, and to determine long-term outcomes.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
03/14/2025
Locations: UCLA Health, Los Angeles, California +1 locations
Conditions: Ischemia and no Obstructive Coronary Artery Disease, Coronary Microvascular Dysfunction, Coronary Vasospasm, Endothelial Dysfunction, Microvascular Angina, Chest Pain With Normal Coronary Angiography
Zimmer Biomet Shoulder Arthroplasty PMCF
Recruiting
The objectives of this study are to confirm the safety, performance, and clinical benefits of Zimmer Biomet Shoulder Arthroplasty Systems and its instrumentation in primary or revision shoulder arthroplasty. These objectives will be assessed using standard scoring systems, radiographic evidence, and adverse event records. Safety of the system will be assessed by monitoring the frequency an incidence of adverse events.
Gender:
ALL
Ages:
20 years and above
Trial Updated:
03/11/2025
Locations: Hoag Orthopedic Institute, Irvine, California
Conditions: Shoulder Fractures, Shoulder Arthritis, Shoulder Osteoarthritis, Shoulder Deformity, Shoulder Injuries, Shoulder Pain
Proof of Concept Trial of Cannabis Derivatives in Neuropathic Pain
Recruiting
Chronic neuropathic pain (CNP) is disabling. Research on frontline treatments for CNP, shows inconsistent outcomes and dissatisfaction among Veterans. Veterans and clinicians have shown significant interest in cannabis derivatives (THC, CBD) for neuropathic pain control, but there are no well-controlled trials guiding expectations for benefit and adverse outcomes associated with cannabis for CNP. Because Veterans are likely to present with pain and pain-related polymorbidity significantly differ... Read More
Gender:
ALL
Ages:
21 years and above
Trial Updated:
03/11/2025
Locations: VA San Diego Healthcare System, San Diego, CA, San Diego, California
Conditions: Diabetic Neuropathic Pain, Peripheral Neuropathic Pain
Pharmacokinetics, Pharmacodynamics, and Safety Profile of Understudied Drugs Administered to Children Per Standard of Care (POPS)
Recruiting
The study investigators are interested in learning more about how drugs, that are given to children by their health care provider, act in the bodies of children and young adults in hopes to find the most safe and effective dose for children. The primary objective of this study is to evaluate the PK of understudied drugs currently being administered to children per SOC as prescribed by their treating provider.
Gender:
ALL
Ages:
Between 0 years and 20 years
Trial Updated:
03/11/2025
Locations: University of California, Los Angeles Medical Center, Los Angeles, California +1 locations
Conditions: Coronavirus Infection (COVID-19), Pulmonary Arterial Hypertension, Urinary Tract Infections in Children, Hypertension, Pain, Hyperphosphatemia, Primary Hyperaldosteronism, Edema, Hypokalemia, Heart Failure, Menorrhagia, Insomnia, Pneumonia, Skin Infection, Arrythmia, Asthma in Children, Bronchopulmonary Dysplasia, Adrenal Insufficiency, Fibrinolysis; Hemorrhage, Hemophilia, Attention Deficit Hyperactivity Disorder, Multisystem Inflammatory Syndrome in Children (MIS-C), Kawasaki Disease, Coagulation Disorder, Down Syndrome
Photobiomodulation for Lower Back Pain Post Spinal Fusion and Decompression Surgery
Recruiting
After spinal fusion and decompression surgery there is a possible risk of developing chronic back pain. After surgery there is typically inflammation around the operation site and this inflammation can be painful and debilitating to patients.
Many possible treatment plans have been incorporated to assist the patient with recovery - notably medications, physical therapy, and braces. However, few studies have looked at laser diodes that utilize high-power laser lights that are aimed at decreasing... Read More
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
03/11/2025
Locations: Semel Institute of Neuroscience at UCLA, Los Angeles, California +1 locations
Conditions: Spinal Fusion, Chronic Lower Back Pain
Stanford Pragmatic Effectiveness Comparison
Recruiting
Chronic pain is a major healthcare problem with an annual cost of above $600 billion. The quality of data available for treatments of chronic pain is not optimal. Generalizability of explanatory randomized controlled trial data is problematic as these trials exclude up to 90% of patients: leaving out real-world patients with serious medical and psychological comorbidities. Pragmatic trials embedded in patient care compare effectiveness of currently used treatments in real-world application leadi... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
03/03/2025
Locations: Stanford Pain Management Center, Redwood City, California
Conditions: Chronic Pain
Latinx Children and Surgery
Recruiting
Over 60 million persons in the United States (US) identify themselves as Latinx and 25.6% are children under the age of 16.
Surgical disparities for adults and children have been identified as a major problem in the US and can be experienced at multiple points along a patient's health care trajectory. Data from the investigator's center indicates that a substantial portion of Latinx children who undergo surgery experience high anxiety and postoperative pain as well as postoperative impairments... Read More
Gender:
ALL
Ages:
Between 2 years and 7 years
Trial Updated:
02/26/2025
Locations: Children's Hospital of Orange County, Orange, California
Conditions: Pain, Postoperative, Pain, Acute
Dental Block for Pain Relief in ED Dental Pain Patients
Recruiting
This will be a prospective, observational cohort study assessing immediate pain relief from dental block in ED patients presenting with dental pain. The study will be conducted in the Community Regional Medical Center ED. The aim of this study, then, is to prospectively determine if dental block provides minimal clinically important difference in pain relief to these patients.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
02/25/2025
Locations: Community Regional Trauma and Burn Center, Fresno, California
Conditions: Dental Pain
Radicle GI Health 24: A Study of Health and Wellness Products on GI Health and Related Health Outcomes
Recruiting
A randomized, double-blind, placebo-controlled study assessing the impact of health and wellness products on GI health and related health outcomes
Gender:
ALL
Ages:
Between 21 years and 105 years
Trial Updated:
02/24/2025
Locations: Radicle Science, Inc, Del Mar, California
Conditions: Abdominal Pain, GI Disorders, Digestion
Transcutaneous Spinal Cord Stimulation for Chronic Low Back Pain
Recruiting
As a leading cause of disability worldwide, chronic low back pain (cLBP) represents a significant medical and socioeconomic problem with estimated health care spending of $87 billion/annually. The efficacy of dorsal column electrical stimulation to inhibit pain was first described over 50 years ago. Since then, several large clinical trials have investigated the therapeutic potential of electrical spinal cord stimulation (SCS) and found that over 70% of patients with intractable pain had over 50... Read More
Gender:
ALL
Ages:
Between 21 years and 85 years
Trial Updated:
02/14/2025
Locations: San Francisco VA Medical Center, San Francisco, California
Conditions: Chronic Low-back Pain
Assessment of Methadone Dose Taken
Recruiting
Proof of concept: Pilot Study
A Pilot, proof of concept, observational study with a long-term goal to develop a minimally invasive wearable Remote Medication Monitor (RMM) that provides continuous, real-time data on methadone levels in interstitial fluid (ISF). An RMM could be used as a medication adherence monitor and would allow for the physician, counselor, patient, or family member to remotely verify that a physician-prescribed dose has been taken.
Gender:
ALL
Ages:
Between 18 years and 70 years
Trial Updated:
02/11/2025
Locations: Synergy, Lemon Grove, California
Conditions: Methadone Toxicity, Methadone Overdose, Pain, Chronic, Drug Metabolism, Poor, CYP2D6-Related, Metabolism Medication Toxicity
73 - 84 of 139
