Type Condition

California

104 Clinical Trials near California

Power is an online platform that helps thousands of patients discover FDA-reviewed trials every day. Every trial we feature meets safety and ethical standards, giving patients an easy way to discover promising new treatments in the research stage.

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No Placebo
Highly Paid
Stay on Current Meds
Pivotal Trials (Near Approval)
Breakthrough Medication

Oral Atogepant Tablets for Migraine

Anaheim, California
This trial is testing a medication called atogepant to treat migraines in children and teenagers aged 6 to 17. The study aims to see if atogepant is safe and effective for this age group. Atogepant helps by blocking a protein that triggers migraines, potentially reducing their occurrence and intensity. Atogepant is a newly approved oral medication for the prevention of episodic migraine in adults.
Pivotal Trial (Near Approval)

Trial Details

Trial Status:Recruiting
Trial Phase:Phase 3
Age:6 - 17

450 Participants Needed

ONC-392 vs Chemotherapy for Lung Cancer

Walnut Creek, California
This trial is testing gotistobart, a new drug that helps the immune system fight advanced lung cancer in patients who haven't responded to other treatments. It works by blocking a protein that allows cancer cells to hide from the immune system.
No Placebo Group
Pivotal Trial (Near Approval)

Trial Details

Trial Status:Recruiting
Trial Phase:Phase 3

600 Participants Needed

Dato-DXd +/− Durvalumab for Breast Cancer

Beverly Hills, California
This trial is testing a new treatment for patients with a specific type of breast cancer who still have cancer after surgery and initial treatments. The treatment uses a drug called Dato-DXd, which targets and kills cancer cells, and may also include durvalumab, which helps the immune system fight cancer. The goal is to see if this new treatment works better than current options.
No Placebo Group
Pivotal Trial (Near Approval)

Trial Details

Trial Status:Active Not Recruiting
Trial Phase:Phase 3

1174 Participants Needed

N-acetylcysteine for Retinitis Pigmentosa

Los Angeles, California
This trial is testing if N-acetylcysteine (NAC) can help slow down vision loss in people with Retinitis Pigmentosa (RP). RP is a genetic condition that causes gradual vision loss. NAC reduces damage caused by too much oxygen around eye cells, potentially protecting vision. N-acetylcysteine (NAC) has been shown to reduce oxidative damage and increase cone function/survival in studies related to RP.
Pivotal Trial (Near Approval)

Trial Details

Trial Status:Active Not Recruiting
Trial Phase:Phase 3
Age:18 - 65

483 Participants Needed

Leniolisib for Activated PI3K Delta Syndrome

Stanford, California
This trial is testing leniolisib, an oral medicine, in children aged 4 to 11 with a genetic condition called APDS. The medicine aims to calm an overactive part of their immune system to improve their health. Leniolisib has shown benefits in patients with APDS in previous clinical trials.
No Placebo Group
Pivotal Trial (Near Approval)

Trial Details

Trial Status:Active Not Recruiting
Trial Phase:Phase 3
Age:4 - 11

15 Participants Needed

Basimglurant for Trigeminal Neuralgia

Las Vegas, Nevada
This trial is testing a medication called basimglurant to see if it can help reduce severe facial pain in adults with Trigeminal Neuralgia. The medication works by blocking a specific receptor in the nervous system to lower pain signals. Researchers will measure changes in pain using patient diaries and feedback.
Pivotal Trial (Near Approval)

Trial Details

Trial Status:Active Not Recruiting
Trial Phase:Phase 2, 3
Sex:Male

166 Participants Needed

Trastuzumab Deruxtecan for Early Stage Breast Cancer

Beverly Hills, California
This study will look at the efficacy and safety of trastuzumab deruxtecan (T-DXd) in a neoadjuvant setting, in high-risk, HER2-positive early non-metastatic breast cancer.
No Placebo Group
Pivotal Trial (Near Approval)

Trial Details

Trial Status:Active Not Recruiting
Trial Phase:Phase 3

927 Participants Needed

Staccato Alprazolam for Epilepsy

Orange, California
This trial tests if inhaling Staccato alprazolam can quickly stop seizures and prevent them from coming back. It targets patients who need fast-acting seizure control. Staccato alprazolam is a potential therapy for rapid epileptic seizure termination, delivered via a breath-actuated device for rapid systemic exposure.
Pivotal Trial (Near Approval)

Trial Details

Trial Status:Recruiting
Trial Phase:Phase 3
Age:12+

350 Participants Needed

Anti-Coagulant + Anti-Platelet Therapy for Stroke Prevention

Los Alamitos, California
The primary goal of the trial is to determine if the experimental arms (rivaroxaban or ticagrelor or both) are superior to the clopidogrel arm for lowering the 1-year rate of ischemic stroke, intracerebral hemorrhage, or vascular death.
No Placebo Group
Pivotal Trial (Near Approval)

Trial Details

Trial Status:Recruiting
Trial Phase:Phase 3
Age:30+

1683 Participants Needed

AMX0035 for ALS

San Francisco, California
The Phoenix Trial is a randomized double blind placebo controlled Phase III trial to evaluate the safety and efficacy of AMX0035 for treatment of ALS
Pivotal Trial (Near Approval)

Trial Details

Trial Status:Active Not Recruiting
Trial Phase:Phase 3

664 Participants Needed

Opioid Sparing Pain Management Techniques for Gender Affirming Surgery

Los Angeles, California
This study will compare the current standard-of-care pain treatment regimen options that are available to patients who undergo gender-affirming surgery. The purpose of this research is to determine if any of these options are more (versus less) effective than the others to manage surgery related pain, after surgery.
No Placebo Group
Pivotal Trial (Near Approval)

Trial Details

Trial Status:Recruiting
Trial Phase:Phase 3

640 Participants Needed

Inhaled Insulin for Diabetes in Children

Sacramento, California
This trial tests an inhalable insulin called Afrezza, combined with a long-acting insulin, in children and teenagers with diabetes. Afrezza helps lower blood sugar quickly after eating, and the long-acting insulin keeps it stable all day. The study aims to see if this combination is safe and effective.
No Placebo Group
Pivotal Trial (Near Approval)

Trial Details

Trial Status:Active Not Recruiting
Trial Phase:Phase 3
Age:4 - 17

319 Participants Needed

Guselkumab for Psoriatic Arthritis

Whittier, California
The purpose of this study is to evaluate the efficacy of guselkumab treatment in participants with active psoriatic arthritis (PsA) by assessing the reduction in signs and symptoms of PsA.
Pivotal Trial (Near Approval)

Trial Details

Trial Status:Active Not Recruiting
Trial Phase:Phase 3

1054 Participants Needed

Capivasertib + CDK4/6 Inhibitors + Fulvestrant for Breast Cancer

Santa Rosa, California
A Phase Ib/III Open-label, Randomised Study of Capivasertib plus CDK4/6 Inhibitors and Fulvestrant versus CDK4/6 Inhibitors and Fulvestrant in Hormone Receptor-Positive and Human Epidermal Growth Factor Receptor 2-Negative Locally Advanced, Unresectable or Metastatic Breast Cancer (CAPItello-292)
No Placebo Group
Prior Safety Data
Pivotal Trial (Near Approval)

Trial Details

Trial Status:Recruiting
Trial Phase:Phase 3

895 Participants Needed

Crovalimab for Atypical Hemolytic Uremic Syndrome

Orange, California
This trial aims to test the effectiveness and safety of crovalimab in adults and adolescents with aHUS. Crovalimab helps by calming an overactive immune system that can harm blood vessels and kidneys.
No Placebo Group
Pivotal Trial (Near Approval)

Trial Details

Trial Status:Active Not Recruiting
Trial Phase:Phase 3
Age:12+

83 Participants Needed

Tofersen for ALS

San Francisco, California
This trial is testing a medication called tofersen in adults who have a genetic mutation that can lead to ALS, a serious nerve disease. These individuals show early signs of nerve damage. Tofersen works by lowering harmful proteins in the body to protect nerves and potentially delay or prevent the disease.
Pivotal Trial (Near Approval)

Trial Details

Trial Status:Active Not Recruiting
Trial Phase:Phase 3

158 Participants Needed

Lanifibranor for Nonalcoholic Steatohepatitis (NASH)

Panorama City, California
This Phase 3 study is conducted to evaluate lanifibranor in adults with NASH and liver fibrosis histological stage F2 or F3
Pivotal Trial (Near Approval)

Trial Details

Trial Status:Recruiting
Trial Phase:Phase 3

1000 Participants Needed

VX-880 for Type 1 Diabetes

Duarte, California
This trial will test the safety and effectiveness of VX-880 infusion in people with Type 1 diabetes who have trouble sensing low blood sugar and experience severe low blood sugar episodes. The treatment aims to help manage their blood sugar levels better.
No Placebo Group
Pivotal Trial (Near Approval)

Trial Details

Trial Status:Recruiting
Trial Phase:Phase 3
Age:18 - 65

52 Participants Needed

ION363 for ALS

Palo Alto, California
This trial is testing a new drug called ION363 to help people with a specific genetic form of ALS (FUS-ALS). The study will see if the drug can help these patients live longer and maintain their abilities better. Participants will receive the drug for a period of time, then all will get the drug for an extended duration.
Pivotal Trial (Near Approval)

Trial Details

Trial Status:Recruiting
Trial Phase:Phase 3
Age:10 - 65

95 Participants Needed

Tavapadon for Parkinson's Disease

Fresno, California
This trial is testing a medication called tavapadon to see if it is safe and effective for people with Parkinson's Disease. The medication aims to help manage symptoms like tremors and stiffness by targeting specific parts of the brain.
No Placebo Group
Pivotal Trial (Near Approval)

Trial Details

Trial Status:Active Not Recruiting
Trial Phase:Phase 3
Age:40 - 80

992 Participants Needed

Why Other Patients Applied

"I've tried several different SSRIs over the past 23 years with no luck. Some of these new treatments seem interesting... haven't tried anything like them before. I really hope that one could work."

ZS
Depression PatientAge: 51

"My orthopedist recommended a half replacement of my right knee. I have had both hips replaced. Currently have arthritis in knee, shoulder, and thumb. I want to avoid surgery, and I'm open-minded about trying a trial before using surgery as a last resort."

HZ
Arthritis PatientAge: 78

"I was diagnosed with stage 4 pancreatic cancer three months ago, metastatic to my liver, and I have been receiving and responding well to chemotherapy. My blood work revealed that my tumor markers have gone from 2600 in the beginning to 173 as of now, even with the delay in treatment, they are not going up. CT Scans reveal they have been shrinking as well. However, chemo is seriously deteriorating my body. I have 4 more treatments to go in this 12 treatment cycle. I am just interested in learning about my other options, if any are available to me."

ID
Pancreatic Cancer PatientAge: 40

"As a healthy volunteer, I like to participate in as many trials as I'm able to. It's a good way to help research and earn money."

IZ
Healthy Volunteer PatientAge: 38

"I've been struggling with ADHD and anxiety since I was 9 years old. I'm currently 30. I really don't like how numb the medications make me feel. And especially now, that I've lost my grandma and my aunt 8 days apart, my anxiety has been even worse. So I'm trying to find something new."

FF
ADHD PatientAge: 31

Newnorm for Primary Immunodeficiency

Irvine, California
This trial is testing a new antibody treatment called Newnorm, which is given through an injection under the skin. It aims to help people with primary immunodeficiency diseases, whose immune systems are weak. The treatment provides extra antibodies to help their bodies fight infections.
No Placebo Group
Pivotal Trial (Near Approval)

Trial Details

Trial Status:Recruiting
Trial Phase:Phase 3
Age:2 - 75

50 Participants Needed

Fenebrutinib for Relapsing Multiple Sclerosis

Pasadena, California
A study to evaluate the efficacy and safety of fenebrutinib on disability progression and relapse rate in adult participants with RMS. Eligible participants will be randomized 1:1 to either fenebrutinib or teriflunomide. At the end of the DBT phase (after disclosure of the DBT results), the Sponsor will determine whether or not to initiate the open-label extension phase of the study.
Pivotal Trial (Near Approval)

Trial Details

Trial Status:Active Not Recruiting
Trial Phase:Phase 3
Age:18 - 55

746 Participants Needed

High-Dose Ocrelizumab for Multiple Sclerosis

Irvine, California
This trial is testing if a higher dose of ocrelizumab given through an IV drip is more effective and safe for patients with Primary Progressive Multiple Sclerosis (PPMS). The drug works by reducing harmful immune cells to potentially slow down the disease. Ocrelizumab is the first drug approved for treating both relapsing and primary progressive forms of multiple sclerosis.
No Placebo Group
Prior Safety Data
Pivotal Trial (Near Approval)

Trial Details

Trial Status:Active Not Recruiting
Trial Phase:Phase 3
Age:18 - 55

769 Participants Needed

Vagus Nerve Stimulation for Rheumatoid Arthritis

Covina, California
The RESET-RA study will assess the safety and efficacy of the SetPoint System (study device) for the treatment of adult patients with active, moderate to severe rheumatoid arthritis who have had an inadequate response or intolerance to biologic or targeted synthetic Disease-Modifying Anti-Rheumatic Drugs (DMARDs). The study device contains a miniaturized stimulator (implant) that is surgically placed under general anesthesia on the vagus nerve through a small incision on the left side of the neck (implant procedure). The study will enroll up to 250 subjects at up to 45 sites. All eligible subjects will undergo the implant procedure. Half of the subjects will receive active stimulation (treatment) and the other half will receive non-active stimulation (control). After completing primary endpoint assessments at Week 12, there will be a one-way crossover of control subjects to active stimulation and a 252-week open-label follow-up with all subjects (treatment and control) receiving active stimulation to evaluate long-term safety.
Pivotal Trial (Near Approval)

Trial Details

Trial Status:Active Not Recruiting
Trial Phase:Phase 3
Age:22 - 75

243 Participants Needed

Inebilizumab for Myasthenia Gravis

Orange, California
This trial tests a new treatment for Myasthenia Gravis in patients with specific antibodies. It aims to see if the new treatment improves muscle strength.
Pivotal Trial (Near Approval)

Trial Details

Trial Status:Active Not Recruiting
Trial Phase:Phase 3

238 Participants Needed

Oregovomab + Chemo for Advanced Ovarian Cancer

Concord, California
This trial tests if oregovomab, an IV medication, can help treat advanced ovarian cancer when used with standard chemotherapy. It targets patients who have had surgery to remove tumors and aims to boost the immune system to fight cancer cells more effectively. Oregovomab has been previously tested in advanced ovarian cancer but did not improve outcomes.
Pivotal Trial (Near Approval)

Trial Details

Trial Status:Active Not Recruiting
Trial Phase:Phase 3
Sex:Female

615 Participants Needed

Fat Cell Injection for Knee Osteoarthritis

Sacramento, California
This trial tests if injecting special cells from a patient's own fat can reduce pain and improve function in people with knee osteoarthritis. These cells have been investigated in various studies for their potential to treat knee osteoarthritis by reducing pain and improving function.
Pivotal Trial (Near Approval)

Trial Details

Trial Status:Active Not Recruiting
Trial Phase:Phase 3
Age:35 - 85

114 Participants Needed

AVP-786 for Agitation in Alzheimer's Disease

Irvine, California
This trial tests a combination of two drugs taken by mouth to help calm severe agitation in people with Alzheimer's disease by balancing brain chemicals.
Pivotal Trial (Near Approval)

Trial Details

Trial Status:Active Not Recruiting
Trial Phase:Phase 3
Age:50 - 90

183 Participants Needed

Belapectin for NASH Cirrhosis

Lancaster, California
This trial is testing belapectin, a medication aimed at helping people with a severe liver condition called NASH cirrhosis. The study focuses on patients who have high blood pressure in their liver but no swollen veins in their esophagus. Belapectin works by reducing liver inflammation and scarring, which can improve liver function and reduce health problems.
Pivotal Trial (Near Approval)

Trial Details

Trial Status:Active Not Recruiting
Trial Phase:Phase 2, 3

357 Participants Needed

Tildrakizumab for Psoriatic Arthritis

Encino, California
This is a multicenter Phase III, Randomized, Double-Blind, Single-Dose, Placebo-Controlled Study to Demonstrate the Efficacy and Safety of tildrakizumab in Subjects with Active Psoriatic Arthritis I (INSPIRE 1)
Pivotal Trial (Near Approval)

Trial Details

Trial Status:Active Not Recruiting
Trial Phase:Phase 3

510 Participants Needed

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Why We Started Power

We started Power when my dad was diagnosed with multiple myeloma, and I struggled to help him access the latest immunotherapy. Hopefully Power makes it simpler for you to explore promising new treatments, during what is probably a difficult time.

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Learn More About Trials
How Do Clinical Trials Work?Are Clinical Trials Safe?What Can I Expect During a Clinical Trial?

Frequently Asked Questions

How much do clinical trials in California pay?

Each trial will compensate patients a different amount, but $50-100 for each visit is a fairly common range for Phase 2–4 trials (Phase 1 trials often pay substantially more). Further, most trials will cover the costs of a travel to-and-from the clinic.

How do clinical trials in California work?

After a researcher reviews your profile, they may choose to invite you in to a screening appointment, where they'll determine if you meet 100% of the eligibility requirements. If you do, you'll be sorted into one of the treatment groups, and receive your study drug. For some trials, there is a chance you'll receive a placebo. Across trials in California 30% of clinical trials have a placebo. Typically, you'll be required to check-in with the clinic every month or so. The average trial length in California is 12 months.

How do I participate in a study as a "healthy volunteer"?

Not all studies recruit healthy volunteers: usually, Phase 1 studies do. Participating as a healthy volunteer means you will go to a research facility in California several times over a few days or weeks to receive a dose of either the test treatment or a "placebo," which is a harmless substance that helps researchers compare results. You will have routine tests during these visits, and you'll be compensated for your time and travel, with the number of appointments and details varying by study.

What does the "phase" of a clinical trial mean?

The phase of a trial reveals what stage the drug is in to get approval for a specific condition. Phase 1 trials are the trials to collect safety data in humans. Phase 2 trials are those where the drug has some data showing safety in humans, but where further human data is needed on drug effectiveness. Phase 3 trials are in the final step before approval. The drug already has data showing both safety and effectiveness. As a general rule, Phase 3 trials are more promising than Phase 2, and Phase 2 trials are more promising than phase 1.

Do I need to be insured to participate in a medical study in California?

Clinical trials are almost always free to participants, and so do not require insurance. The only exception here are trials focused on cancer, because only a small part of the typical treatment plan is actually experimental. For these cancer trials, participants typically need insurance to cover all the non-experimental components.

What are the newest clinical trials in California?

Most recently, we added Bionetide for Rett Syndrome, Morphine or Ketamine for Pain and Nerandomilast for Interstitial Lung Disease to the Power online platform.

What do the "Power Preferred" and "SuperSite" badges mean?

We recognize research clinics with these awards when they are especially responsive to patients who apply through the Power online platform. SuperSite clinics are research sites recognized for a high standard of rapid and thorough follow-up with patient applicants. Meanwhile, Power Preferred clinics are the top 20 across the entire Power platform, recognized for their absolute top patient experience.

Which clinics have received Power Preferred and SuperSite awards in California?

The clinics in California currently recognized as Power Preferred are: Red Bird Research in Las Vegas, Nevada Anderson Clinical Research in Redlands, California CenExel CIT-LA in Bellflower, California Red Bird Research in Las Vegas, Nevada Sunwise Clinical Research in Walnut Creek, California Excell Research Inc in Oceanside, California Sunwise Clinical Research in Walnut Creek, California Anderson Clinical Research in Redlands, California Sunwise Clinical Research, LLC. in Walnut Creek, California Excell Research, Inc. Site #106 in Oceanside, California Viking Clinical Research in Temecula, California Sunwise Clinical Research in Walnut Creek, California Anderson Clinical Research in Redlands, California Lumos Clinical Research Center in San Jose, California Sunwise Clinical Research, LLC in Walnut Creek, California Excell Research Inc in Oceanside, California Excell Research Inc in Oceanside, California Sunwise Clinical Research in Lafayette, California Clinical Innovations in Bellflower, California Red Bird Research in Las Vegas, Nevada Excell Research Inc in Oceanside, California Excell Research Inc in Oceanside, California Excell Research Inc in Oceanside, California Anderson Clinical Research ( Site 0164) in Redlands, California Excell Research Inc in Oceanside, California Red Bird Research in Las Vegas, Nevada Excell Research Inc in Oceanside, California Excell Research Inc in Oceanside, California Anderson Clinical Research in Redlands, California Excell Research Inc in Oceanside, California Anderson Clinical Research in Redlands, California Excell Research Inc in Oceanside, California The clinics in California currently recognized as SuperSites are: University of California San Diego Site Number : 8400095 in La Jolla, California Multiple Sclerosis Center of California Site Number : 8401122 in Laguna Hills, California California Neuroscience Research, LLC in Sherman Oaks, California CenExel Collaborative Neuroscience Research Site #113 in Torrance, California CalNeuro Research in Los Angeles, California Synergy San Diego in Lemon Grove, California

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