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Completed Phase 1Phase 2 Interventional

Combination GRA and SGLT-2i Treatment in Type 1 Diabetes

ClinicalTrials.gov ID: NCT04545411

Public ClinicalTrials.gov record NCT04545411. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 2, 2026, 1:46 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Effect of Glucagon Receptor Antagonism on Ketogenesis in SGLT-2i Treated Subjects With T1D

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

A pilot study for individuals with Type 1 Diabetes who are willing to add an SGLT-2i (Sodium-Glucose Cotransporter-2 Inhibitor) in combination with placebo or a GRA (Glucagon Receptor Antagonist) to their current diabetes treatment regimen. There will be 15 study visits over approximately 14 weeks in this cross-over study design. Treatment "A" consists of an SGLT-2i + GRA for 4 weeks and treatment "B" consists of an SGLT-2i + placebo for 4 weeks. All participants will complete both treatment "A" and treatment "B" with a 6-week washout period in between the treatments. Testing includes 3 insulin withdraw challenges, 3 muscle biopsies, 3 fat biopsies, 3 vascular ultrasounds along with blood collection and vitals.

Study identification

NCT ID
NCT04545411
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1, Phase 2
Enrollment
12 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years to 65 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Feb 21, 2021
Primary completion
Feb 27, 2022
Completion
Oct 30, 2022
Last update posted
Jan 22, 2023

2021 – 2022

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
UC San Diego Altman Clinical & Translational Research Institute La Jolla California 92037

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04545411, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jan 22, 2023 · Synced Sep 2, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04545411 live on ClinicalTrials.gov.

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