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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.
13 - 24 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 Offer
Ketamine Therapy—At Home, Clinician-Guided (Innerwell)
If you’re exploring options besides a clinical trial, Innerwell provides at-home ketamine therapy with medical oversight and structured support. Ketamine-assisted treatment may help “reset” rigid stress and mood patterns, and some people feel relief within a few sessions. Your care team works with you to tailor treatment and track progress every step of the way. Proven effective for Anxiety, PTSD, Depression, Addiction, and other disease areas.
Conditions:
Anxiety
Anxiety Disorders
Generalized Anxiety Disorder
Depression
Depression
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
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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 Trial
Birth Control Clinical Research Study
Recruiting
Living with obesity and looking for a birth control option that is right for you? Clinical trials are now enrolling women with a body mass index (BMI) of 30 or more in the area to help study a potential new progestin-only contraceptive patch. Participating in research studies can help advance birth control options. Don’t let financial stress hold you back. All study-related assessments, care, and study patch are available at no cost. You may also be reimbursed for study-related travel.
Conditions:
Obesity
Overweight
Overweight and Obesity
Featured Trial
Depression Clinical Trial
Recruiting
Join us in researching a potential investigational treatment for Depression. Reimbursement for study-related expenses may be available to you.
Qualifying participants:
•Are between 18-65
•Have been experiencing a major depressive episode for at least a month
Qualifying participants:
•Are between 18-65
•Have been experiencing a major depressive episode for at least a month
Conditions:
Depression
Major Depressive Disorder
Depressive Disorder
Depressive Symptoms
Depressive Disorder
Targeted Realtime Assessment of Chronic Pain in Youth
Recruiting
The purpose of this study is to evaluate the feasibility and acceptability of using wearable digital health technology for continuous monitoring of physiological, sleep, and physical activity data in adolescents with chronic musculoskeletal (MSK) pain. This research aims to develop objective digital endpoints of the pain experience to improve diagnosis, prevention, and treatment outcomes.
Gender:
ALL
Ages:
Between 14 years and 24 years
Trial Updated:
07/30/2025
Locations: Stanford University, Palo Alto, California
Conditions: Chronic Pain, Musculoskeletal Pain
Trajectories of Recovery After Intravenous Propofol Versus Inhaled VolatilE Anesthesia Trial
Recruiting
The investigators will conduct a 13,000-patient randomized multi-center trial to determine (i) which general anesthesia technique yields superior patient recovery experiences in any of three surgical categories ((a) major inpatient surgery, (b) minor inpatient surgery, (c) outpatient surgery) and (ii) whether TIVA confers no more than a small (0.2 %) increased risk of intraoperative awareness than INVA in patients undergoing both outpatient and inpatient surgeries
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/30/2025
Locations: University of California San Francisco, San Francisco, California +1 locations
Conditions: Surgery-Complications, Anesthesia Complication, Anesthesia Awareness, Anesthesia, Surgery, Quality of Life, Pain, Postoperative, Anesthesia Morbidity
Anesthetics and Analgesics in Children
Recruiting
The purpose of this study is to characterize the pharmacokinetic (PK) and safety profile of anesthetics and analgesics in children and adolescents.
Gender:
ALL
Ages:
Between 0 years and 17 years
Trial Updated:
07/29/2025
Locations: Lucile Packard Children's Hospital, Stanford, California
Conditions: Anesthesia, Pain
RCT of a Weighted Blanket to Reduce Pain in Veterans With Chronic Pain
Recruiting
Chronic pain is a major health concern for returning Veterans and is associated with decreases in quality of life. In addition, chronic pain is often accompanied by significant disturbance in sleep. Sensory interventions may offer effective, low-cost complementary tools for chronic pain and sleep disturbance in Veterans. Weighted Blankets (WB)- blankets sewn with weighted material inside to provide widespread pressure to the body- are a low-cost wellness product used for anxiety and sleep. WBs h... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/25/2025
Locations: VA San Diego Healthcare System, San Diego, CA, San Diego, California +2 locations
Conditions: Chronic Pain, Sleep Disturbance
Safety and Efficacy Study of VNX001 Compared to Its Individual Components (Lidocaine and Heparin) or Placebo in Subjects With IC/BPS
Recruiting
This is a Phase 2, prospective, randomized, double-blind, placebo-controlled, multi-center, single-dose, pharmacodynamic study designed to evaluate the efficacy and safety of the combination product (VNX001) versus placebo and its individual components (heparin sodium and lidocaine hydrochloride (HCl)) for the reduction of bladder pain in patients with interstitial cystitis (IC) / bladder pain syndrome (BPS), Who Have an Episode of Acute Bladder Pain of Moderate to Severe Intensity.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/24/2025
Locations: IC Study LLC, Escondido, California +5 locations
Conditions: Interstitial Cystitis, Bladder Pain Syndrome
Continuous Infusions vs Scheduled Bolus Infusions
Recruiting
The goal of the study is to compare continuous infusions and scheduled bolus infusions for peripheral nerve blocks and their effect on post-surgical pain.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/23/2025
Locations: Stanford University, Stanford, California
Conditions: Surgical Procedure, Unspecified, Pain, Postoperative
Observational Study to Evaluate the Efficacy of Sustained QUTENZA® Use in Painful Diabetic Peripheral Neuropathy
Recruiting
The purpose of this post-market observational study is to provide real-world evidence to support the repeated use of QUTENZA in patients with PDPN and to evaluate the potential for pain and concomitant medication use reduction.
Gender:
ALL
Ages:
Between 18 years and 80 years
Trial Updated:
07/22/2025
Locations: Pacific Research Institute, Lakeport, California +3 locations
Conditions: Peripheral Diabetic Neuropathy, Painful Diabetic Neuropathy
Effects of LY3848575 Versus Placebo in Participants With Painful Distal Sensory Polyneuropathy
Recruiting
The purpose of this study is to evaluate how safe and how well a treatment works compared to placebo for people with nerve pain that begins in their feet and moves up the leg to just below the knee.
Participation may last up to 30 weeks including screening.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/22/2025
Locations: Neuro-Pain Medical Center, Fresno, California
Conditions: Neuropathic Pain, Distal Sensory Polyneuropathy
Optimizing Chronic Pain Care With Mindfulness and Chronic Pain Management Visits
Recruiting
The primary aim of this implementation-effectiveness trial is to examine the effectiveness of Mindfulness-Oriented Recovery Enhancement (MORE) and patient-centered chronic pain management visits in primary care as interventions to reduce chronic pain, improve quality of life, and reduce opioid-related harms among chronic pain patients on long-term opioid therapy.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/22/2025
Locations: UCSD Health, La Jolla, California
Conditions: Chronic Pain, Prescription Opioid Misuse, Substance-Related Disorders, Pain, Narcotic-Related Disorders, Chemically-Induced Disorders, Mental Disorders, Opioid-Related Disorders, Neurologic Manifestations
STTEPP: Safety, Tolerability and Dose Limiting Toxicity of Lacosamide in Patients With Painful Chronic Pancreatitis
Recruiting
The investigators propose to conduct a dose-escalation trial of an FDA-approved antiepileptic drug, lacosamide, added to opioid therapy in patients with chronic abdominal pain from chronic pancreatitis (CP). This pilot trial will test the feasibility of the study design and provide reassurance regarding the tolerability and safety of lacosamide used concomitantly with opioids in this patient population to reduce the condition known clinically as opioid-induced hyperalgesia (OIH).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/21/2025
Locations: Stanford University, Stanford, California
Conditions: Chronic Pain, Chronic Pain Syndrome, Chronic Pancreatitis, Hyperalgesia, Opioid Use Disorder, Opioid-Related Disorders, Opioid Dependence, Chronic Abdominal Pain, ERCP, Pancreatic Surgery
Tart Cherry and Omega-3's for Aromatase Inhibitor Musculoskeletal Symptoms
Recruiting
Both Tart Cherry and Omega 3 FAs have better side effect profiles compared to other commonly used medications for AIMSS, such as nonsteroidal anti-inflammatories, steroids, and serotonin norepinephrine reuptake inhibitors. Additionally, in our clinics we often find that patients tend to be more receptive to taking a supplement as opposed to an additional medication. Further, both Tart Cherry concentrate and fish oil have beneficial properties for helping with joint stiffness in general, in addit... Read More
Gender:
FEMALE
Ages:
18 years and above
Trial Updated:
07/17/2025
Locations: Cedars-Sinai Medical Center, Los Angeles, California +1 locations
Conditions: Breast Cancer, Aromatase Inhibitor Associated Musculoskeletal Symptoms (AIMSS), Joint Pain
Non-surgical Spinal Decompression Therapy and Outcomes
Recruiting
This project will determine the clinical utility of non-surgical spine decompression for chronic low back pain (LBP). LBP is one of the highest incidence medical conditions that contributes to disability, decreased activities of daily living, decreased quality of life, and inability to work. LBP affects ≈70-85% of people during their lifetime, with ≈20% becoming chronic by age 20-59 years. Many current LBP therapeutics have detrimental long-term effects, undesired side effects, are invasive proc... Read More
Gender:
ALL
Ages:
Between 18 years and 65 years
Trial Updated:
07/17/2025
Locations: Stanford University, Stanford, California
Conditions: Low Back Pain, Herniation, Disc, Sciatic Radiculopathy, Intervertebral Disc Stenosis of Neural Canal, Intervertebral Disc Injury
13 - 24 of 139
