Weight loss · Los Angeles area, CA
Weight loss and obesity studies in Los Angeles area, CA
53 recruiting studies have a site in the Los Angeles area. This page includes nearby cities such as Santa Monica, Beverly Hills, Pasadena, Long Beach.
53 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
More recruiting studies (pay not posted)
- RecruitingPhase 3
Extension Trial to Evaluate the Long-term Efficacy, Safety, and Tolerability of Maridebart Cafraglutide (MARITIME-1-EXTENSION)
Amgen
- Location
- Fountain Valley, CA + 69 other US sites
- Eligibility basics
- Ages 18–99
- Recruiting
Comparing the Efficacy and Safety of the EndoZip System and Apollo ESG in Obese Patients
Nitinotes Surgical Ltd.
- Location
- Los Angeles, CA + 3 other US sites
- Eligibility basics
- Ages 21–65
- RecruitingPhase 3
AMAZE 2: A Research Study Investigating How Well the Medicine NNC0487-0111 Helps People With Excess Body Weight and Type 2 Diabetes Lose Weight
Novo Nordisk A/S
- Location
- Lomita, CA + 13 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
AMAZE 9: A Research Study Investigating How Well Zenagamtide Tablets Help People With Excess Body Weight Lose Weight
Novo Nordisk A/S
- Location
- Fullerton, CA + 38 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
A Study of Eloralintide (LY3841136) in Participants With Obesity, or Overweight Without Type 2 Diabetes
Eli Lilly and Company
- Location
- Escondido, CA + 40 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
A Study of Eloralintide (LY3841136) in Participants With Persistent Obesity Who Are Treated With a Weekly Incretin
Eli Lilly and Company
- Location
- Irvine, CA + 55 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
Maridebart Cafraglutide in Heart Failure With Preserved or Mildly Reduced Ejection Fraction and Obesity
Amgen
- Location
- Beverly Hills, CA + 117 other US sites
- Eligibility basics
- Ages 18–99
- RecruitingPhase 2
A Study of CX11 Tablets in Patients With Type 2 Diabetes Mellitus
Corxel Pharmaceuticals
- Location
- Cerritos, CA + 32 other US sites
- Eligibility basics
- Ages 18–75
- RecruitingPhase 1
A Research Study Investigating How a New Medicine NNC0113-5840 Works in People With Overweight or Obesity
Novo Nordisk A/S
- Location
- Glendale, CA + 1 other US site
- Eligibility basics
- Ages 18–55
- RecruitingPhase 3
Research Study on How Well Oral Semaglutide Works for Weight Loss in Adults With Excess Body Weight
Novo Nordisk A/S
- Location
- Escondido, CA + 14 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 4
A Study to Investigate the Effectiveness of Tirzepatide (LY3298176) Following Initiation of Ixekizumab (LY2439821) in Participants With Moderate-to-Severe Plaque PsO and Obesity or Overweight in Clinical Practice…
Eli Lilly and Company
- Location
- Fountain Valley, CA + 38 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
AMBITION 7: A Research Study Investigating How Well Zenagamtide Lowers Blood Sugar and Body Weight Compared to Insulin Glargine in People With Type 2 Diabetes and Increased Risk of Diseases That Affect the Heart and…
Novo Nordisk A/S
- Location
- Lancaster, CA + 55 other US sites
- Eligibility basics
- Ages 45+
- RecruitingPhase 3
A Research Study to Look at How Well NNC0487-0111 Works Compared to Placebo in People With Heart Failure and Obesity
Novo Nordisk A/S
- Location
- Alhambra, CA + 129 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 1
A Study of ABBV-295 Subcutaneous Injections to Assess Adverse Events and Pharmacokinetics in Adult Participants With Obesity
AbbVie
- Location
- Anaheim, CA + 1 other US site
- Eligibility basics
- Ages 18–65
- RecruitingPhase 1
Examination of How the Duration of Fasting and Temporary Stopping of GLP-1 Medications Affect the Amount of Food Left in the Stomach in People Using Liraglutide (Injected), Semaglutide (Taken by Mouth) or Semaglutide…
Novo Nordisk A/S
- Location
- Cypress, CA
- Eligibility basics
- Ages 18+
- RecruitingPhase 2
A Research Study on How Well Different Doses of the Medicine UBT251 Help People Living With Overweight or Obesity
Novo Nordisk A/S
- Location
- Cypress, CA + 1 other US site
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
CHOICE to AVOID or RESIST
Cedars-Sinai Medical Center
- Location
- Beverly Hills, CA
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Effects of Dietary Supplements on Muscle Mass and Function While Using GLP-1 Medication
University of California, Los Angeles
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
A Study to See if an iPhone Weight Management App Can Help Promote Weight Loss in Adolescents and Young Adults After a Stem Cell Transplant
Jonsson Comprehensive Cancer Center
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 13–30
- RecruitingHealthy volunteersPhase 2/Phase 3
Single Nuclei RNA-seq to Map Adipose Cellular Populations and Senescent Cells in Older Subjects
Cedars-Sinai Medical Center
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Behavioral Weight Loss Intervention Utilizing Mobile Health Technology in Hematopoietic Stem Cell Transplant Patients
University of California, Los Angeles
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 13–30
- RecruitingHealthy volunteers
Effects of White Button Mushroom on Inflammation in Obese Postmenopausal Women at High Risk of Breast Cancer
City of Hope Medical Center
- Location
- Duarte, CA
- Eligibility basics
- Ages 21+ · Women only
- RecruitingHealthy volunteers
BrainWeighve App Feasibility Study
University of California, Los Angeles
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 14–21
- RecruitingHealthy volunteers
eMOTION: Examining Implicit Attitudes in Physical Activity Engagement
University of Southern California
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 18+
Who these studies look for
Most of these studies set a BMI range and may exclude people taking certain weight-loss medicines or who have had bariatric surgery. Some require a weight-related condition such as type 2 diabetes or high blood pressure.
Matching a page like this one never means you qualify. Each research team decides eligibility at screening.