Could diabetes pills replace insulin shots in hospitals?
NCT ID NCT04416269
First seen Jun 25, 2026 · Last updated Sep 01, 2026 · Updated 3 times
Summary
This study compares continuing oral diabetes medications (like metformin) versus switching to insulin in hospitalized adults with type 2 diabetes. About 255 participants will be randomly assigned to either stay on their usual pills or receive insulin injections. The goal is to see if the pills can control blood sugar just as safely and effectively during a hospital stay.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- oral antidiabetic drugs (metformin, sulfonylureas, pioglitazone, DPP-4 inhibitors, SGLT2 inhibitors)
- What this could lead to
- If successful, this could show that many hospitalized patients with type 2 diabetes can safely keep taking their usual pills instead of switching to insulin, simplifying hospital diabetes care.
- What could go wrong
- This is a moderate-sized Phase 4 trial, so results may not apply to all patients. Oral drugs may not control blood sugar as tightly as insulin in some hospitalized patients, and there is a risk of hypoglycemia or other side effects.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
-
Phase 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
-
85 people
The number who actually took part.
- Started
-
Aug 2020
- Finished
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Apr 2025
- Lead sponsor
-
Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
-
18 to 80 years
- Sex
-
Anyone
- Healthy volunteers
-
Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Males or females, age 18-80 years admitted to a general medicine and surgery services * Known history of T2D receiving OADs either as monotherapy or in combination therapy * Admission BG \< 250 mg/dl or randomization BG \<250 mg/dl and not receiving basal insulin * Patients receiving OADs in combination with GLP-1 receptor agonists (GLP-1RA) who have HbA1c \<7.5% within the past three months * HbA1c \<10% Exclusion Criteria: * No known history of diabetes * Laboratory evidence of diabetic ketoacidosis * Subjects with a history of type 1 diabetes (suggested by BMI \< 25 requiring insulin therapy or with a history of diabetic ketoacidosis, or ketonuria) * Meeting any exclusion criteria based on specific contraindications to their home oral therapy * Acute critical illness or cardiac surgery expected to require admission to a critical care unit * Gastrointestinal obstruction, adynamic ileus, or expected to require gastrointestinal suction * Medical or surgical patients expected to be kept NPO for \>24-48 hours after admission or after completion of surgical procedure * Impaired renal function (eGFR \<30 ml/min) * Current treatment with oral or injectable corticosteroid * Mental condition rendering the subject unable to understand the nature and scope of the study * Female subjects who are pregnant or breastfeeding at time of enrollment in the study * New or recent onset (within two weeks) of coronavirus disease 2019 (COVID-19) infection at the time of admission
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
Emory University Hospital
Atlanta, Georgia, 30322, United States
-
Emory University Hospital Midtown
Atlanta, Georgia, 30322, United States
-
Grady Memorial Hospital
Atlanta, Georgia, 30322, United States
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