Diabetes · California
Diabetes studies in California
100 studies have at least one recruiting site in California. Diabetes research covers type 1 and type 2 diabetes, prediabetes and related complications, testing medicines, devices such as glucose monitors and insulin pumps, and lifestyle programs.
100 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
More recruiting studies (pay not posted)
- RecruitingPhase 2
A Master Protocol Study (LY900028) of Multiple Intervention-Specific-Appendices (ISAs) in Participants With Chronic Pain
Eli Lilly and Company
- Location
- Palm Springs, CA + 34 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+
- Recruiting
A U.S. Pilot Human Investigation of RadiofrEquency Vapor Ablation System to Evaluate Safety, TOleRability, and Effectiveness for Proximal Intestinal Mucosal Ablation in Patients With Type 2 Diabetes Mellitus (RESTORE-1…
Aqua Medical, Inc.
- Location
- Newport Beach, CA + 3 other US sites
- Eligibility basics
- Ages 22–65
- RecruitingPhase 3
A Study to Evaluate Effect of AZD6234 in Adult Participants With Type 2 Diabetes Mellitus and Obesity or Overweight
AstraZeneca
- Location
- Lincoln, CA + 4 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 2/Phase 3
Combined Dose-Finding and CV Outcomes Study With CSL300 (Clazakizumab) in Adult Subjects With ESKD Undergoing Dialysis (POSIBIL6ESKD)
CSL Behring
- Location
- Bakersfield, CA + 147 other US sites
- Eligibility basics
- Ages 18+
- 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/Phase 2
CNP-103 in Adolescent and Adult Subjects Ages 12-35 With Recently Diagnosed (Within 6 Months) Stage 3 Type 1 Diabetes (T1D)
COUR Pharmaceutical Development Company, Inc.
- Location
- Newport Beach, CA + 44 other US sites
- Eligibility basics
- Ages 12–35
- RecruitingPhase 2
A Research Study Comparing How Well Different Doses of the Medicine NNC0662-0419 Lower Blood Sugar in People With Type 2 Diabetes
Novo Nordisk A/S
- Location
- Lancaster, CA + 19 other US sites
- Eligibility basics
- Ages 18–75
- RecruitingPhase 2
Phase 2a Dose Finding Study of Nu-3 Gel in Subjects With Mild iDFU
Lakewood-Amedex Inc
- Location
- Los Angeles, CA + 5 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
A Phase III Study to Investigate the Efficacy and Safety of Elecoglipron Compared With Placebo in Adults With Type 2 Diabetes Mellitus and Impaired Renal Function on Background Dapagliflozin
AstraZeneca
- Location
- Sacramento, CA + 6 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
A Safety, Tolerability, and Efficacy Study of VX-880 and VX-017 in Participants With Type 1 Diabetes
Vertex Pharmaceuticals Incorporated
- Location
- Duarte, CA + 9 other US sites
- Eligibility basics
- Ages 18–65
- 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 Study to Evaluate the Efficacy and Safety of Tabirafusp Tedromer Compared to Aflibercept in Participants With DME - ALTO
Kodiak Sciences Inc
- Location
- Glendale, CA + 8 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 2
INHALE-1st: Afrezza® For Youth With Newly-Diagnosed Type 1 Diabetes
Mannkind Corporation
- Location
- Los Angeles, CA + 9 other US sites
- Eligibility basics
- Ages 6–17
- RecruitingPhase 3
A Study of Dulaglutide (LY2189265) 3.0 mg and 4.5 mg in Pediatric Participants With Type 2 Diabetes Mellitus (AWARD-PEDS PLUS)
Eli Lilly and Company
- Location
- Los Angeles, CA + 39 other US sites
- Eligibility basics
- Ages 10–17
- RecruitingPhase 2
Study of WAL0921 in Patients With Glomerular Kidney Diseases
Walden Biosciences
- Location
- Los Angeles, CA + 8 other US sites
- Eligibility basics
- Ages 18–75
- Recruiting
Evaluation of the Fully Closed Loop Omnipod® System in Type 2 Diabetes
Insulet Corporation
- Location
- Los Angeles, CA + 25 other US sites
- Eligibility basics
- Ages 18–75
- Recruiting
Efficacy of the Omnipod® 6 System Compared With the Omnipod® 5 System
Insulet Corporation
- Location
- Los Angeles, CA + 10 other US sites
- Eligibility basics
- Ages 14–75
- RecruitingPhase 3
Evaluation of Efficacy and Safety of Suzetrigine (SUZ) for Pain Associated With Diabetic Peripheral Neuropathy
Vertex Pharmaceuticals Incorporated
- Location
- Canoga Park, CA + 69 other US sites
- Eligibility basics
- Ages 18–80
- RecruitingPhase 2
A Chronic Pain Master Protocol (CPMP): A Study of LY4065967 in Participants With Diabetic Peripheral Neuropathic Pain
Eli Lilly and Company
- Location
- Palm Springs, CA + 35 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 2
Efficacy of KL1333 in Adult Patients With Primary Mitochondrial Disease
Pharming Technologies B.V.
- Location
- Orange, CA + 10 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 2
A Study of the Effect of ZT-01 on Night-time Hypoglycemia in Type 1 Diabetes
Zucara Therapeutics Inc.
- Location
- Escondido, CA + 36 other US sites
- Eligibility basics
- Ages 18–75
- RecruitingPhase 1
A Single Bolus, 12-hour Euglycemic Clamp Study of the Safety, Pharmacokinetics (PK) and Glucodynamics (GD) of Intraperitoneal (IP) Portal Insulin U-500
Portal Diabetes, Inc.
- Location
- Chula Vista, CA
- Eligibility basics
- Ages 18–60
- RecruitingPhase 2
HP-211 Safety and Proof of Concept Dose Ranging Study in Patients With Type 2 Diabetes
Housey Healthcare ULC
- Location
- Canoga Park, CA + 24 other US sites
- Eligibility basics
- Ages 18+
Who these studies look for
Studies commonly set an HbA1c range, a diagnosis duration and a list of allowed or excluded medications. Some also recruit people without diabetes as a comparison group.
Matching a page like this one never means you qualify. Each research team decides eligibility at screening.
Questions
Will I have to stop my diabetes medicine?
Some studies change or pause medicines under close supervision; many add a study treatment on top of your current care. Never change medicines on your own; the study team and your doctor decide this together.