No more needles? new insulin spray could change diabetes care
NCT ID NCT05159453
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests a new way to deliver insulin for type 2 diabetes: a spray applied to the skin instead of an injection. Thirty adults who already use insulin will try the spray for 21 days. Researchers will check if it keeps blood sugar in a safe range and causes less skin irritation or low blood sugar events compared to standard injected insulin.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Human insulin (same as injected insulin, but delivered through the skin via a spray)
- What this could lead to
- If it works, this could offer a needle-free way to deliver insulin for people with type 2 diabetes, making daily management easier and less painful.
- What could go wrong
- This is a small, early-stage trial with only 30 people for 21 days. The skin spray may not deliver insulin reliably or could cause skin irritation. It is not yet proven to be as effective as injections.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2/3
Runs two stages together: whether the treatment works, then large-scale confirmation.
- Participants
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About 30 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Sep 2027
An estimate. Start dates often move.
- Expected to finish
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Dec 2027
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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25 to 75 years
- Sex
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Anyone
- Healthy volunteers
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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: 1. Adult Type 2 Diabetes Mellitus ("T2D") Patients on Insulin Replacement therapy not administered via implanted pump well-managing p.r.n as defined by serum glucose ranging between 85 and 200 mg/dL and no more than 1 hypoglycemic or serious hypoglycemic event within the last 9 months. 2. 25 and 75 years of age, inclusive. 3. The subject is willing and able to read and understand the Subject Information Sheet and provide written informed consent. 4. The subject has a body mass index (BMI) within 18-50 kg/m2. 5. The subject is in otherwise good health as determined by medical history and physical examination. 6. The subject's normal insulin dose ranges from between 10 to 200 IU per dose. 7. The subject must agree to continue with daily serum glucose testing by means of a wearable blood glucose monitor for the pharmacodynamic assessments that the investigators have continuous access to via daily downloads. 8. The subject is willing and able to comply with all testing and requirements defined in the protocol. 9. The subject is willing and able to return to the study site for all visits. Exclusion Criteria: 1. The subject has any relevant deviations from normal other than blood glucose in physical examination, electrocardiogram (ECG), or clinical laboratory tests, as evaluated by the investigator. 2. The subject has had more than 2 hypoglycemic events in the last month. 3. The subject's normal insulin dose is less than 10 and more than 200 IUs. 4. Subjects receiving Insulin from an implanted or external insulin pump system. 5. The subject has had a clinically significant illness or surgical procedure within 30 days preceding entry into this study. 6. The subject has a history of significant neurological, hepatic, renal, endocrine, cardiovascular, gastrointestinal, pulmonary, or metabolic disease other than T2D. 7. The subject has a known allergy or history of hypersensitivity to Human Insulin or similar modified Insulin compounds. 8. The subject has used any prescription medication that may interfere with the evaluation of study medication. 9. The subject has donated or lost a significant volume of blood (\>450 mL) within four (4) weeks of the study, and subject's Hemoglobin concentration and hematocrit have not returned to within 5% of normal. 10. The subject has a history of substance abuse or a current positive urine drug screen or urine alcohol test. 11. Alcohol consumption greater than community norms (i.e. more than 21 standard drinks per week for males). 12. Subjects who have received an investigational drug or have used an investigational device in the 30 days prior to study entry.
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Langford Research Institute
Palm Beach Gardens, Florida, 33410, United States
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