Obesity clinical trials in California
99 studies for Obesity are looking for participants at sites in California.
Cities in California
- Los Angeles23 studies
- San Diego23 studies
- Concord18 studies
- Escondido12 studies
- El Cajon9 studies
- Torrance9 studies
- Santa Clarita8 studies
- Santa Ana7 studies
- Huntington Beach7 studies
- Santa Monica7 studies
- Tustin7 studies
- Sacramento7 studies
- Westminster6 studies
- West Covina6 studies
- South Gate6 studies
- Buena Park5 studies
- Glendale5 studies
- Lake Forest5 studies
- Long Beach5 studies
- Simi Valley5 studies
- Chula Vista5 studies
- Indio5 studies
- Orange5 studies
- Mountain View5 studies
- Anaheim4 studies
- Richmond4 studies
- San Francisco4 studies
- Pomona4 studies
- Hawthorne4 studies
- Oceanside3 studies
- Ontario3 studies
- Burbank3 studies
- Irvine3 studies
Safety and Efficacy of ABBV-295 in Adults With Obesity or Overweight With Weight-Related Comorbidities
- John Muir Health - Concord /ID# 282469, Concord
- NorCal Medical Research /ID# 283117, Greenbrae
- Velocity Clinical Research - Huntington Park /ID# 282987, Huntington Park
- and 6 more
RecruitingPhase 2
Ages 18 to 75 · All sexes · Updated Oct 2, 2026 · NCT07752979Efficacy of mHealth Apps for Health in a Low-income, Type II Diabetic, Hispanic Population
- San Diego State University, San Diego
RecruitingHealthy volunteers welcome
Ages 18 to 64 · All sexes · Updated Oct 2, 2026 · NCT05279729Efficacy of Using Mobile Health Applications for Health
- San Diego State University, San Diego
RecruitingHealthy volunteers welcome
Ages 18 to 64 · All sexes · Updated Oct 2, 2026 · NCT05589155A Study to Evaluate Safety, Tolerability and Pharmacokinetics of Orally Administered TIX100 in Healthy Subjects
- ProSciento, INC, Chula Vista
RecruitingPhase 1Healthy volunteers welcome
Ages 18 to 70 · All sexes · Updated Oct 2, 2026 · NCT07675590Comparing the Efficacy and Safety of the EndoZip System and Apollo ESG in Obese Patients
- Cedars Sinai Medical Center, Los Angeles
Recruiting
Ages 21 to 65 · All sexes · Updated Oct 1, 2026 · NCT07090005A Study of Clazakizumab (LY5724886) in Adults With Elevated hsCRP and at Increased Risk for Cardiovascular Event
- Thrive Clinical Research Group, Glendora
RecruitingPhase 2
Ages 18 and older · All sexes · Updated Sep 30, 2026 · NCT07783802AMAZE 2: A Research Study Investigating How Well the Medicine NNC0487-0111 Helps People With Excess Body Weight and Type 2 Diabetes Lose Weight
- Torrance Clinical Research Institute, Inc., Lomita
- Diablo Clinical Research, Inc., Walnut Creek
RecruitingPhase 3
Ages 18 and older · All sexes · Updated Sep 30, 2026 · NCT07533175A Research Study on How Well Cagrilintide and CagriSema Work in Children and Adolescents With Excess Body Weight
- Neighborhood Healthcare, Escondido
RecruitingPhase 3
Ages 8 to 18 · All sexes · Updated Sep 30, 2026 · NCT07253285Study of Olatorepatide in Adult Participants Living With Overweight or Obesity Without Diabetes
- Diablo Clinical Research - Flourish Research, Walnut Creek
RecruitingPhase 2
Ages 18 and older · All sexes · Updated Sep 29, 2026 · NCT07685808Study to Assess the Effect and Safety of ALV-100 on Maintenance of Weight Loss
- Profound Research, Oceanside
RecruitingPhase 2
Ages 18 to 75 · All sexes · Updated Sep 28, 2026 · NCT07837973AMAZE 9: A Research Study Investigating How Well Zenagamtide Tablets Help People With Excess Body Weight Lose Weight
- Providence Medical Foundation, Fullerton
- Torrance Clinical Research Institute, Inc., Lomita
- Diablo Clinical Research, Inc., Walnut Creek
RecruitingPhase 3
Ages 18 and older · All sexes · Updated Sep 28, 2026 · NCT07720271Stanford Healthy Goals Study
- Stanford University, Stanford
Recruiting
Ages 10 to 15 · All sexes · Updated Sep 28, 2026 · NCT07839832A Research Study Investigating How Well the Medicine Zenagamtide Helps People With Excess Body Weight Lose Weight Compared to Semaglutide
- First Valley Medical Group, Lancaster
- Desert Oasis Healthcare, Palm Springs
- Western University of Health Sciences, Pomona
- and 1 more
RecruitingPhase 3
Ages 18 and older · All sexes · Updated Sep 28, 2026 · NCT07668414A Study to Learn About the Study Medicine Called Berobenatide (PF-08653944) in People With Overweight or Obesity
- San Fernando Valley Health Institute, Canoga Park
- Headlands Research California, LLC, Escondido
- ImmuniMet, LLC, Modesto
- and 4 more
RecruitingPhase 3
Ages 18 and older · All sexes · Updated Sep 28, 2026 · NCT07595549A Study to Evaluate Effect of AZD6234 as an Adjunct to Incretin-based Therapies in Adult Participants With Obesity or Overweight With Weight-related Comorbidity With or Without Type 2 Diabetes Mellitus
- Research Site, Escondido
- Research Site, Lincoln
- Research Site, Walnut Creek
RecruitingPhase 3
Ages 18 and older · All sexes · Updated Sep 25, 2026 · NCT07776509Safety and Drug Concentrations of REGN20934 in Adults With Overweight or Obesity
- Parexel International, Glendale
RecruitingPhase 1Healthy volunteers welcome
Ages 18 to 65 · All sexes · Updated Sep 25, 2026 · NCT07594093Mirikizumab and Tirzepatide Administered in Adult Participants With Moderately to Severely Active Crohn's Disease and Obesity or Overweight
- Smart Cures Clinical Research, Anaheim
- Cedars-Sinai Medical Center, Beverly Hills
- United Medical Doctors - Los Alamitos, Los Alamitos
- and 1 more
RecruitingPhase 3
Ages 18 to 70 · All sexes · Updated Sep 24, 2026 · NCT06937099A Platform Trial for Pediatric Participants With Obesity or Overweight (LY900040)
- Loma Linda University School of Medicine, Loma Linda
- Childrens Hospital of Los Angeles, Los Angeles
- UCLA Mattel Children's Hospital, Los Angeles
- and 2 more
RecruitingPhase 3
Ages 6 to 17 · All sexes · Updated Sep 24, 2026 · NCT06672549Mirikizumab Administered at the Same Time as Tirzepatide in Adult Participants With Moderately to Severely Active Ulcerative Colitis and Obesity or Overweight: Phase 3b Study
- Smart Cures Clinical Research, Anaheim
- Cedars-Sinai Medical Center, Beverly Hills
- United Medical Doctors - Los Alamitos, Los Alamitos
- and 1 more
RecruitingPhase 3
Ages 18 to 70 · All sexes · Updated Sep 24, 2026 · NCT06937086A Study to Learn How Different Amounts of the Study Medicine Called PF-08642534 Are Tolerated and Act in the Body of People Who Have Obesity
- Orange County Research Center, Lake Forest
RecruitingPhase 1
Ages 18 to 70 · All sexes · Updated Sep 23, 2026 · NCT07731139A Study of Eloralintide (LY3841136) in Participants With Obesity or Overweight, and Type 2 Diabetes
- San Fernando Valley Health Institute, Canoga Park
- AMCR Institute, Escondido
- NorCal Medical Research, Inc, Greenbrae
- and 6 more
RecruitingPhase 3
Ages 18 and older · All sexes · Updated Sep 22, 2026 · NCT07282600A Study of Eloralintide (LY3841136) in Participants With Persistent Obesity Who Are Treated With a Weekly Incretin
- Irvine Clinical Research, Irvine
- Scripps Whittier Diabetes Institute, La Jolla
- EndoTrials Center for Clinical Research, La Mesa
- and 5 more
RecruitingPhase 3
Ages 18 and older · All sexes · Updated Sep 22, 2026 · NCT07392190A Study to Evaluate Effect of AZD6234 in Adult Participants With Type 2 Diabetes Mellitus and Obesity or Overweight
- Research Site, Bakersfield
- Research Site, Gardena
- Research Site, Lincoln
- and 2 more
RecruitingPhase 3
Ages 18 and older · All sexes · Updated Sep 22, 2026 · NCT07784270A Study of Eloralintide (LY3841136) in Participants With Obstructive Sleep Apnea and Obesity or Overweight
- Ark Clinical Research, Long Beach
- Collaborative Neuroscience Research, LLC, Los Alamitos
- Artemis Institute for Clinical Research, Riverside
RecruitingPhase 3
Ages 18 and older · All sexes · Updated Sep 22, 2026 · NCT07369011CHOICE to AVOID or RESIST
- Cedars-Sinai Medical Center, Beverly Hills
RecruitingHealthy volunteers welcome
Ages 18 to 80 · All sexes · Updated Sep 22, 2026 · NCT06521021Evaluating the Impact of Maridebart Cafraglutide on Cardiovascular Outcomes in Participants With Atherosclerotic Cardiovascular Disease and Overweight or Obesity
- Valley Clinical Trials, LLC dba Flourish Research, Covina
- Velocity Clinical Research- Huntington Park, Huntington Park
- Orange County Research Center, Lake Forest
- and 5 more
RecruitingPhase 3
Ages 45 to 99 · All sexes · Updated Sep 22, 2026 · NCT07037433A Study of Eloralintide (LY3841136) in Participants With Obesity, or Overweight Without Type 2 Diabetes
- Neighborhood Healthcare Institute of Health, Escondido
- Ark Clinical Research - Fountain Valley, Fountain Valley
- Desert Oasis Healthcare Medical Group, Palm Springs
- and 4 more
RecruitingPhase 3
Ages 18 and older · All sexes · Updated Sep 22, 2026 · NCT07321886Efficacy and Safety of Eloralintide (LY3841136) in Participants With Osteoarthritis Knee Pain and Obesity or Overweight
- Ark Clinical Research - Fountain Valley, Fountain Valley
- Wolverine Clinical Trials, Santa Ana
- Encompass Clinical Research, Spring Valley
- and 1 more
RecruitingPhase 3
Ages 18 and older · All sexes · Updated Sep 22, 2026 · NCT07353931A Study to Investigate Weight Management With Macupatide and Eloralintide, Alone or in Combination, in Adult Participants With Obesity or Overweight
- NorCal Medical Research, Inc, Greenbrae
- Velocity Clinical Research, Huntington Park, Huntington Park
- Peninsula Research Associates, Rolling Hills Estates
- and 1 more
RecruitingPhase 2
Ages 18 to 75 · All sexes · Updated Sep 22, 2026 · NCT07589608A Study to Investigate the Effect of AZD6234, AZD9550, and a Combination of AZD9550 and AZD6234 on Pharmacokinetics of Combined Oral Contraceptive Ethinyl Estradiol/Levonorgestrel in Healthy Female Participants Living With Overweight or Obesity
- Research Site, Glendale
RecruitingPhase 1Healthy volunteers welcome
Ages 35 to 75 · Women · Updated Sep 17, 2026 · NCT07013643A Study of Once-daily Oral ASC30 to Evaluate the Efficacy and Safety in Adult Participants With Obesity or Overweight With Weight-Related Comorbidities
- AURORA-1 Clinical Site, Banning
- AURORA-1 Clinical Site, Chula Vista
- AURORA-1 Clinical Site, Covina
- and 5 more
RecruitingPhase 3
Ages 18 and older · All sexes · Updated Sep 16, 2026 · NCT07743463A Study of Once-daily Oral ASC30 to Evaluate the Efficacy and Safety in Adult Participants With Obesity or Overweight With Type 2 Diabetes
- AURORA-2 Clinical Site, Banning
- AURORA-2 Clinical Site, Chula Vista
- AURORA-2 Clinical Site, Covina
- and 6 more
RecruitingPhase 3
Ages 18 and older · All sexes · Updated Sep 16, 2026 · NCT07743450A Study to Investigate the Relative Bioavailability and Safety of Different Oral Formulations of Elecoglipron in Healthy Participants
- Research Site, Glendale
RecruitingPhase 1Healthy volunteers welcome
Ages 18 to 55 · All sexes · Updated Sep 16, 2026 · NCT07723833Maridebart Cafraglutide in Heart Failure With Preserved or Mildly Reduced Ejection Fraction and Obesity
- National Heart Institute, Beverly Hills
- Valley Clinical Trials, LLC dba Flourish Research, Covina
- National Institute of Clinical Research, Huntington Beach
- and 9 more
RecruitingPhase 3
Ages 18 to 99 · All sexes · Updated Sep 16, 2026 · NCT07037459An Online Intuitive Eating Program for Pregnant Women With Obesity to Support Well-Being
- San Diego State University, San Diego
- UC San Diego Health, San Diego
Recruiting
Ages 18 and older · Women · Updated Sep 15, 2026 · NCT07792837A Clinical Study to Evaluate the Effects of Enicepatide (RO7795068) in Participants With Obesity or Overweight and Type 2 Diabetes
- Orange County Research Center, Lake Forest
- Ark Clinical Research, Long Beach
- Catalina Research Institute, LLC, Montclair
- and 3 more
RecruitingPhase 3
Ages 18 and older · All sexes · Updated Sep 14, 2026 · NCT07351058A Study of LY3457263 Compared With Placebo in Participants With Type 2 Diabetes on a Stable Dose of Semaglutide or Tirzepatide
- Wolverine Clinical Trials, Santa Ana
RecruitingPhase 2
Ages 18 to 75 · All sexes · Updated Sep 14, 2026 · NCT06897475A Clinical Study to Evaluate the Effects of Enicepatide (RO7795068) in Participants With Obesity or Overweight Without Type 2 Diabetes
- University of California Irvine, Irvine
- Artemis Institute for Clinical Research, LLC, San Diego
- Diablo Clinical Research, Inc., Walnut Creek
RecruitingPhase 3
Ages 18 and older · All sexes · Updated Sep 14, 2026 · NCT07351045First-in-human Study of the Safety, Tolerability, Pharmacokinetics, and Food Effect of ACCG-2671
- Research Site, Cypress
- Research Site, Lake Forest
RecruitingPhase 1/2Healthy volunteers welcome
Ages 25 to 75 · All sexes · Updated Sep 14, 2026 · NCT07815678AMAZE 3: A Research Study Investigating How Well the Medicine NNC0487-0111 Helps People With Excess Body Weight and Obstructive Sleep Apnoea Not Treated With Positive Airway Pressure Lose Weight and Improve Sleep Apnoea
- Artemis Insitute for Clin Res, San Diego
RecruitingPhase 3
Ages 18 and older · All sexes · Updated Sep 11, 2026 · NCT07571005From ClinicalTrials.gov, data retrieved Oct 5, 2026. Each study sets its own eligibility; the study team decides who can join.