Clinical trials · California
Overweight clinical trials in California
We’re tracking 63 recruiting overweight studies with a site in California — including Phase 1, Phase 2 and Phase 3 studies, each written for real people, not researchers.
Recruiting studies in California
- NCT06937086RecruitingPhase 3
Mirikizumab plus tirzepatide for UC with obesity
This study tests whether adding mirikizumab to the weight-loss drug tirzepatide helps people with moderate-to-severe ulcerative colitis who also have obesity or overweight. It aims to see if the combination reduces bowel inflammation and helps with weight management.
Anaheim, CaliforniaAges 18–70 - NCT06937099RecruitingPhase 3
Testing two drugs for Crohn's with weight issues
This trial tests two study drugs, mirikizumab and tirzepatide, in people with moderate to severe Crohn's disease who also have overweight or obesity. The goal is to see if these treatments can help control Crohn's symptoms and inflammation.
Anaheim, CaliforniaAges 18–70 - NCT07152002RecruitingPhase 1
Study of an experimental drug for healthy people and those with overweight or obesity
This trial tests a new medicine called LY4064912 to see if it's safe and how it works in the body. It is for people who are generally healthy or have overweight or obesity, and involves different groups based on body mass index (BMI).
Los Alamitos, CaliforniaAges 18–65 - NCT07282600RecruitingPhase 3
Study of eloralintide for type 2 diabetes and weight
This study tests a new medicine called eloralintide for people with type 2 diabetes who are overweight or have obesity. It aims to see if the drug can help with weight loss and blood sugar control.
Santa Clarita, CaliforniaAges 18 years+ - NCT07395687RecruitingPhase 2
Study of UBT251 for people with overweight or obesity
This trial tests different doses of UBT251, a new medicine, to see how well it helps people lose weight. It may be an option if you have overweight or obesity and meet certain age and BMI requirements.
Cypress, CaliforniaAges 18–65 - NCT07441252RecruitingPhase 2
Study of maridebart cafraglutide for fatty liver with obesity
This trial tests a new medication (maridebart cafraglutide) to see if it can reduce fat in the liver and help with weight loss. It may be an option for adults with excess liver fat and obesity or overweight who haven't been able to lose weight with diet and exercise alone.
Canoga Park, CaliforniaAges 18–99 - NCT07589608RecruitingPhase 2
Weight Loss Study With Two New Injectable Medications
This study tests two new injectable drugs (macupatide and eloralintide) alone or together to help adults with obesity or excess weight lose weight. The goal is to see if these medications are safe and effective for weight management.
Greenbrae, CaliforniaAges 18–75 - NCT07336615Enrolling by invitation
Study of CLB101 for gut health in overweight adults
This study tests an investigational probiotic called CLB101 to see if it can improve gut health and ease digestive symptoms in people who are overweight. You will take a daily capsule or a placebo, collect stool and blood samples, and track what you eat.
Los Angeles, CaliforniaAges 18–65 - NCT07392190RecruitingPhase 3
Study of eloralintide for people with persistent obesity
This trial tests if adding eloralintide helps people who are still obese or overweight while taking weekly incretin therapy. It aims to support additional weight loss for those who haven't reached their goals.
Irvine, CaliforniaAges 18 years+ - NCT07153471RecruitingPhase 3
A study of an experimental pill for weight loss and knee arthritis
This trial tests an investigational medication (orforglipron) to see if it helps people with knee arthritis lose weight. You may qualify if you have overweight or obesity and have tried dieting before without lasting success.
Huntington Beach, CaliforniaAges 18 years+ - NCT07202884RecruitingPhase 3
Orforglipron for Women with Stress Incontinence and Overweight
This study tests an oral medication called orforglipron to see if it helps women with stress urinary incontinence who are also overweight or have obesity. The medicine may reduce leaking episodes and also help with weight loss.
Los Angeles, CaliforniaAges 18 years+ - NCT06544954Recruiting
Grape study for heart and gut health in overweight women
This study tests whether eating California grapes can improve gut health and heart health in overweight or obese women who have been through menopause and may have type 2 diabetes or metabolic syndrome. You would need to eat grapes daily and provide blood and stool samples.
Davis, CaliforniaAges 45–70 - NCT07667803RecruitingPhase 3
Study of elecoglipron for weight loss in obesity or overweight
This trial tests an investigational drug called elecoglipron to see if it helps people with obesity or overweight lose weight. It may be an option if you have a high body mass index or weight-related health issues like high blood pressure or prediabetes.
Lynwood, CaliforniaAges 18 years+ - NCT07684235RecruitingPhase 3
Long-term study of a weight-loss drug for trial graduates
This study tests a drug called Maridebart Cafraglutide for long-term weight management in people who completed a previous related trial. It looks at how well the drug works and its safety over time.
Fountain Valley, CaliforniaAges 18–99 - NCT07724340RecruitingPhase 2
Study of AT673 plus semaglutide for type 2 diabetes and weight loss
This study tests a new medication called AT673 combined with semaglutide (Wegovy) to help people with type 2 diabetes and overweight or obesity lose weight and improve blood sugar. It is for people who have tried diet and exercise to lose weight but haven't had success.
Anaheim, CaliforniaAges 18 years+ - NCT07253285RecruitingPhase 3
Study on cagrilintide and CagriSema for kids with excess weight
This trial tests two new medicines (cagrilintide and CagriSema) to see if they help children and teens lose weight. It's for young people who have tried lifestyle changes without enough success.
Escondido, CaliforniaAges 8–18 - NCT04248127Recruiting
Honey yogurt to improve gut health and mild inflammation
This study tests whether honey-flavored yogurt can improve gut health and “low-grade” inflammation in middle-aged and older women after menopause. You may be asked to follow a yogurt-focused plan and avoid certain foods or supplements to see the effect.
Davis, CaliforniaAges 45–65 - NCT05143931Recruiting
Avoid and resist habits to manage weight
This study looks at strategies to help people manage their weight by changing how they respond to food-related cues and habits. It tests whether these approaches can be used over time with regular, brief check-ins.
Los Angeles, CaliforniaAges 14 years+ - NCT05309395RecruitingPhase 3
Food prescriptions to help Latino families eat affordably
This trial tests whether giving free/covered “food prescriptions” helps multigenerational Latino households lose weight by improving diet within a budget. It may help families who want to eat healthier without worrying as much about grocery costs.
Pasadena, CaliforniaAges 2 years+ - NCT05530538Recruiting
Phone app program to help teens manage weight
This study tests a weight-management app (the BrainWeighve app) for teens. It looks at whether the app is workable and helpful for teens who are motivated to change weight habits.
Los Angeles, CaliforniaAges 14–21 - NCT06323070Recruiting
Watermelon vs. low-fat cookies for wellness
This trial compares eating watermelon or low-fat cookies to see how they affect your overall wellness. It will help determine if one snack is better for your health.
San Diego, CaliforniaAges 18–50 - NCT06570642Recruiting
Study on emotions and physical activity
This study looks at how emotions affect your desire to be active. You'll wear a Fitbit smartwatch and answer short surveys to help researchers understand what helps people start and stick with physical activity.
Los Angeles, CaliforniaAges 18 years+ - NCT06724172Recruiting
Comparing health programs for pregnant mothers from diverse backgrounds
This study tests two different health programs for pregnant women to see which one helps mothers and babies more. You may join if you are early in your pregnancy, identify as Black, Hispanic, or have Medicaid, and speak English or Spanish.
Palo Alto, CaliforniaAges 18 years+ - NCT06824974Recruiting
Time-restricted eating for liver disease or cancer
This study tests whether combining time-restricted eating with healthy eating helps people with metabolic liver disease, cirrhosis, or early-stage liver cancer. If you are overweight and currently fast less than 12 hours at night, this diet approach might improve your health.
La Jolla, CaliforniaAges 18 years+
Overweight trials by city in California
Where these studies are running in California
Institutions with a site for the recruiting overweight studies listed above.
- Cedars-Sinai Medical Center · 3 studies
- Diablo Clinical Research · 3 studies
- Apex Clinical Research · 2 studies
- Ark Clinical Research · 2 studies
- Artemis Institute for Clinical Research · 2 studies
- California Medical Research Associates Inc. · 2 studies
- NorCal Medical Research · 2 studies
- Peninsula Research Associates · 2 studies
What taking part in a overweight study involves
A screening visit first
Before anything else, the study team checks whether you fit — usually a visit with some tests. You can stop at any point, and screening is typically free.
Care at a nearby site
Study visits happen at a clinic or hospital taking part. Many studies cover the cost of the study treatment and related visits, and some reimburse travel.
You stay in control
Taking part is voluntary and you can leave a study at any time, for any reason, without affecting your regular care.
The team decides eligibility
Our fit check is a helpful first read, not a decision. The study team makes the final call after reviewing your health history.
Overweight trials in other states
Common questions
- Are there overweight clinical trials in California?
- Yes. We're currently tracking 63 recruiting overweight studies with a site in California, each rewritten in plain language so you can see what it's testing and who it's for.
- How do I find out if I qualify for a overweight study in California?
- Each study lists its eligibility rules — age, diagnosis, prior treatments. On every trial page we explain these in plain language and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Do I have to live in California to take part?
- Not necessarily. These studies have a site in California, but eligibility is about your health, not your address — some people travel to take part, and a few studies reimburse travel. The study team can tell you what's required.
- Does it cost anything to join a overweight trial?
- Using Clin2 is always free. Many trials cover the study treatment and related visits; some reimburse travel. The study team explains exactly what's covered before you decide.
Not the right time?
New overweight studies open in California regularly. Set up a health profile and we’ll quietly watch for studies that fit you and email you when one opens.
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.