The state of California currently has 32 active clinical trials seeking participants for Type 1 Diabetes research studies. These trials are conducted in various cities, including Los Angeles, San Francisco, San Diego and Sacramento.
Omnipod® SmartAdjust 2.0 System Compared to the Omnipod® 5 System in Individuals With Type 1 or Type 2 Diabetes
Recruiting
The goal of this multi-center, randomized, cross-over study is to evaluate the safety and effectiveness of the Omnipod 5 SmartAdjust 2.0 System in individuals with type 1 or type 2 diabetes. Study participants will complete about 5 in-person visits and be expected to treat their diabetes per their usual routine using the system at the lowest available target setting. Each participant will begin the study using either the Omnipod 5 SmartAdjust 2.0 System or the Omnipod 5 System for 4 weeks (Per... Read More
Gender:
ALL
Ages:
Between 2 years and 70 years
Trial Updated:
06/10/2025
Locations: University of Southern California, Los Angeles, California +1 locations
Conditions: Diabetes Mellitus, Type 1, Type 2
Extended Bolus for Meals in a Closed-loop System
Recruiting
This study aims to evaluate whether the use of an extended bolus will improve glucose control with high-fat high protein meals using a closed-loop system. The new knowledge gained from this study may provide a method to allow for the proper administration of insulin over an extended period to mitigate the risk of prolonged hyperglycemia or early hypoglycemia.
Gender:
ALL
Ages:
Between 13 years and 19 years
Trial Updated:
06/09/2025
Locations: University of California San Francisco, San Francisco, California
Conditions: Type 1 Diabetes
Janus Kinase (JAK) Inhibitors to Preserve C-Peptide Production in New Onset Type 1 Diabetes (T1D)
Recruiting
A multi-center, placebo-controlled, double blind, 1:1:1 randomized control clinical trial testing two different JAK Inhibitors abrocitnib, ritlecitinib, and placebo in subjects with recent onset Stage 3 Type 1 Diabetes within 100 days of diagnosis.
Gender:
ALL
Ages:
Between 12 years and 35 years
Trial Updated:
06/09/2025
Locations: Children's Hospital Orange County, Orange, California +2 locations
Conditions: Diabetes Mellitus, Type 1
HLA Demographics Study in Adults With Type 1 Diabetes
Recruiting
This is a study to evaluate the HLA-DRB1\*04:01 genotype in adults that have been diagnosed with type 1 diabetes
Gender:
ALL
Ages:
Between 18 years and 45 years
Trial Updated:
06/09/2025
Locations: University of California, San Francisco, San Francisco, California
Conditions: Diabetes Mellitus, Type I
Sotagliflozin to Slow Kidney Function Decline in Persons With Type 1 Diabetes and Diabetic Kidney Disease
Recruiting
Powerful new drugs that can prevent or delay end stage kidney disease (ESKD) - so called sodium-glucose cotransporter-2 inhibitors (SGLT2i) - are now available for patients with type 2 diabetes. Whether these drugs have similar effects in patients with type 1 diabetes (T1D) remains unknown because of the few studies in this population, due to concerns about the increase in risk of diabetic ketoacidosis (DKA, a serious, potentially fatal acute complication of diabetes due to the accumulation of s... Read More
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
05/28/2025
Locations: Stanford University Medical Center, Stanford, California
Conditions: Diabetic Nephropathies, Kidney Failure, Chronic, Diabetes Mellitus Type 1, Heart Failure
Cadisegliatin as Adjunctive Therapy to Insulin in Participants With Type 1 Diabetes
Recruiting
This is a Phase 3 trial of cadisegliatin as adjunctive therapy to insulin in participants with Type 1 Diabetes Mellitus.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/27/2025
Locations: Advanced Metabolic Care & Research Institute, Inc. (AMCR), Escondido, California +1 locations
Conditions: Diabetes Mellitus, Type 1
A Study of Tirzepatide (LY3298176) Compared With Placebo in Adults With Type 1 Diabetes and Obesity or Overweight
Recruiting
The main purpose of this study is to find out how well and how safely tirzepatide works in adults who have type 1 diabetes and obesity or overweight. Participation in the study will last about 49 weeks.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/23/2025
Locations: Sansum Diabetes Research Institute, Goleta, California +1 locations
Conditions: Type 1 Diabetes, Obesity, Overweight
A Long-Term Study of Tirzepatide (LY3298176) in Adults With Type 1 Diabetes and Obesity or Overweight
Recruiting
The main purpose of this study is to find out how well and how safely tirzepatide works long-term in adults who have type 1 diabetes and obesity or overweight. Participation in the study will last about 20 months.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/23/2025
Locations: Kaiser Permanente Bonita Medical Offices, Bonita, California +3 locations
Conditions: Type 1 Diabetes, Obesity, Overweight
A Safety, Tolerability, and Efficacy Study of VX-880 in Participants With Type 1 Diabetes
Recruiting
This study will evaluate the safety, tolerability and efficacy of VX-880 infusion in participants with Type 1 diabetes (T1D) and impaired awareness of hypoglycemia (IAH) and severe hypoglycemia.
Gender:
ALL
Ages:
Between 18 years and 65 years
Trial Updated:
05/22/2025
Locations: City of Hope, Duarte, California +1 locations
Conditions: Diabetes Mellitus, Type 1, Impaired Hypoglycemic Awareness, Severe Hypoglycemia
FrexalimAB in Preservation of Endogenous insULIN Secretion Compared to Placebo in adUlts and Adolescents on Top of inSulin Therapy (FABULINUS)
Recruiting
This is a randomized, parallel group, double-blind Phase 2 study with a 52-week blinded extension evaluating the safety and efficacy of 3 dose levels of frexalimab in comparison with placebo in participants with newly diagnosed T1D on insulin treatment. Study details include: Screening period: at least 3 weeks and up to 5 weeks Double-blind treatment period (104 weeks): * Main treatment period: 52 weeks * Blinded extension: 52 weeks Safety follow-up: up to 26 weeks The treatment duration wil... Read More
Gender:
ALL
Ages:
Between 12 years and 35 years
Trial Updated:
05/22/2025
Locations: University of California San Francisco - Mission Bay- Site Number : 8400012, San Francisco, California
Conditions: Type 1 Diabetes Mellitus
Acetazolamide in Persons With Type 1 Diabetes - Crossover Trial
Recruiting
The goal of this study is to learn about the effect of the study drug acetazolamide in individuals with Type 1 Diabetes. Specifically, whether acetazolamide provides benefits to the kidneys while minimizing any side effects of the drug. These changes will be measured by laboratory tests that tell us how well the kidneys are functioning.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/12/2025
Locations: UC San Diego Altman Clinical & Translational Research Institute, La Jolla, California
Conditions: Type 1 Diabetes
Commercial or Open Source Closed Loop Impact on Pregnancy Study
Recruiting
The goal of this observational study is to better understand what happens when pregnant people with type 1 diabetes (T1D) use automated insulin delivery (AID) systems. The main questions this study aims to answer are: * What are the maternal and neonatal outcomes with AID system use in pregnancy? * What are the glycemic outcomes with AID system use in pregnancy? * What are the behavioral and emotional outcomes with AID system use in pregnancy? Researchers will compare pregnant people who use c... Read More
Gender:
FEMALE
Ages:
18 years and above
Trial Updated:
05/06/2025
Locations: University of California, San Francisco, San Francisco, California
Conditions: Type 1 Diabetes, Pregnancy, High Risk, Insulin Dependent Diabetes, Pregnancy Related