NCT05081219CompletedPhase 2
SNIFF - Combo INI+EMPA Trial
Study of Nasal Insulin to Fight Forgetfulness - Combination Intranasal Insulin and Empagliflozin Trial
Source: ClinicalTrials.gov · Last updated 7 Oct 2026
Brief summary (registry, in English)
The proposed pilot study will provide safety and efficacy preliminary data regarding singular and combined effects of two therapeutic approaches, intranasal insulin and treatment with the sodium-glucose cotransporter type 2 inhibitor (SGLT2i) empagliflozin, to correct bioenergetic and vascular dysfunction in adults with preclinical Alzheimer's disease (AD) and amnestic mild cognitive impairment (aMCI) or early AD.
- Status (registry)
- Completed
- Phase (registry)
- Phase 2
- Study type
- Interventional
- Enrollment
- 47 (actual)
- First submitted
- 4 Oct 2021
- Start date
- 14 Sept 2021
- Primary completion date
- 17 Sept 2024
- Lead sponsor
- Wake Forest University Health Sciences
- Diseases
- Alzheimer disease
- NCT number
- NCT05081219
What you commit to
- Study type: Interventional · Phase 2
- Participants enrolled: 47
- From 14 Sept 2021 to the primary completion date, 17 Sept 2024
- 1 site in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Prior treatment
- Current or past regular use of insulin or any other anti-diabetic medication within 2 months of screening visit
- Use of anticoagulants, unless documentation received from prescribing clinician that anticoagulant medication can be held before lumbar puncture, and approved by study clinician
- Use of an investigational agent within two months of screening visit
- Regular use of alcohol, narcotics, anticonvulsants, anti-parkinsonian medications, or any other exclusionary medications (exceptions may be made on a case by case basis by the study physician)
Other illness
- A diagnosis of dementia other than Alzheimer's disease (AD)
- History of a clinically significant stroke
- Current evidence or history in past two years of epilepsy, head injury with loss of consciousness, any major psychiatric disorder including psychosis, major depression, bipolar disorder
- Diabetes (type I or type II) insulin-dependent and non-insulin-dependent diabetes mellitus
- History of seizure within past five years
Other
- Pregnancy or possible pregnancy
- Residence in a skilled nursing facility at screening
Who the study is looking for
- Age 55 to 85 (inclusive)
- Fluent in English
- Cognitively normal or diagnosis of amnestic mild cognitive impairment (aMCI) or mild Alzheimer's disease (AD)
- Amyloid positive by positron emission tomography (PET) or cerebrospinal fluid (CSF) criteria
- Stable medical condition for 3 months prior to screening visit
- Stable medications for 4 weeks prior to the screening and study visits (exceptions may be made on a case by case basis by the study physician)
- Clinical laboratory values must be within normal limits or, if abnormal, must be judged to be clinically insignificant by the study physician
Age in the registry: 55 years to 85 years · Sex: All · Accepts healthy volunteers
Sites (1)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Wake Forest University Health Sciences / Wake Forest School of Medicine Coordinator of this site? Confirm its status | Winston-Salem | United States | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.