NCT03852901

Brief Summary

Background: The drug empagliflozin treats diabetes. It lowers blood sugar by increasing glucose the kidneys excrete. This increases levels of ketones formed in the blood. The body makes ketones when it does not have enough glucose for fuel. The brains of many people with age-related diseases like Alzheimer's do not use glucose well. Brain use of ketones might improve mental ability. We investigated how empagliflozin affects ketone levels, which could lead to ways to improve brain health as people age. Objectives: To study how taking empagliflozin affects systemic and brain metabolism including ketone levels in people without diabetes. Eligibility: Adults at least 55 years old without diabetes Design: After a screening Visit, eligible participants were admitted to the NIA Clinical Unit during Visits 1 (baseline), 2 (first dose) and 3 (last/14th dose). On each Visit, blood draws were performed and circulating metabolites and hormones were repeatedly measured over 34-hour periods. Using plasma from fasting state only, we isolated total and neuronal-origin extracellular vesicles to measure proteins of the IGF-1 and insulin signaling cascades. Furthermore, on each Visit, we performed magnetic resonance spectroscopy (MRS) to measure concentrations of a plethora of metabolites in the brain. Between Visits 2 and 3, participants were taking the drug at home. A continuous glucose monitoring device was placed to detect potential glucose fluctuations while at home. The study was concluded for participants after the end of Visit 3.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
21

participants targeted

Target at P25-P50 for phase_1

Timeline
Completed

Started Mar 2019

Typical duration for phase_1

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

February 22, 2019

Completed
3 days until next milestone

First Posted

Study publicly available on registry

February 25, 2019

Completed
1 month until next milestone

Study Start

First participant enrolled

March 28, 2019

Completed
1.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 12, 2020

Completed
1.1 years until next milestone

Study Completion

Last participant's last visit for all outcomes

December 13, 2021

Completed
8 months until next milestone

Results Posted

Study results publicly available

August 2, 2022

Completed
Last Updated

August 2, 2022

Status Verified

December 13, 2021

Enrollment Period

1.6 years

First QC Date

February 22, 2019

Results QC Date

April 11, 2022

Last Update Submit

July 13, 2022

Conditions

Keywords

KetonesMetabolismHormonesAlzheimer's Disease

Outcome Measures

Primary Outcomes (1)

  • Change in Serum β-hydroxybutyrate (BHB)

    Change in serum β-hydroxybutyrate (BHB) after 14 days on empagliflozin, compared with baseline.

    14 days

Secondary Outcomes (7)

  • Change in Plasma Glucose

    14 days

  • Change in Serum Non-esterified Fatty Acids (NEFAs)

    14 days

  • Change in Plasma Insulin

    14 days

  • Change in Serum Acetoacetate (AcAc)

    14 days

  • Change in 1H MRS BHB

    14 days

  • +2 more secondary outcomes

Study Arms (1)

Single Arm

EXPERIMENTAL

Single group

Drug: empagliflozin (Jardiance) 25 mg

Interventions

Oral empagliflozin 25 mg/day x 14 days

Single Arm

Eligibility Criteria

Age55 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Age 55 years and older.

You may not qualify if:

  • Able to understand the study risks and procedures, and consent to participate in the study.
  • Able to read and speak English.
  • History of diabetes (requiring any medical treatment other than diet and exercise) or fasting plasma glucose \> 126 mg/dl or HbA1c\> 6.5 %.
  • History of hypoglycemia.
  • BMI \> 35 kg/m(2).
  • Creatinine clearance less than 60 ml/min as measured by GFR.
  • Glucosuria
  • History of anemia within the past 6 months or Hgb \<11.0 mg/dL for women and Hgb \<12.5 mg/dL for men.
  • Current steroid use or steroid use within 90 days of screening, excluding eye drops.
  • Currently taking loop diuretics (Lasix, for example).
  • Participant presently following a calorie restriction diet, low carb/high fat diet.
  • HIV virus infection
  • Hepatitis B infection, as evidenced by a positive HBsAG at screen visit.
  • Hepatitis C infection that has not been treated. (The screen blood work must show HCV RNA quantitative is not detectable).
  • Active infection/fever that may cause changes in glucose metabolism.
  • +20 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

National Institute on Aging, Clinical Research Unit

Baltimore, Maryland, 21224, United States

Location

Related Links

MeSH Terms

Conditions

KetosisAlzheimer Disease

Interventions

empagliflozin

Condition Hierarchy (Ancestors)

AcidosisAcid-Base ImbalanceMetabolic DiseasesNutritional and Metabolic DiseasesDementiaBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesTauopathiesNeurodegenerative DiseasesNeurocognitive DisordersMental Disorders

Results Point of Contact

Title
Josephine M. Egan, MD, Clinical Director
Organization
National Institute on Aging

Study Officials

  • Josephine M Egan, M.D.

    National Institute on Aging (NIA)

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
phase 1
Allocation
NA
Masking
NONE
Purpose
BASIC SCIENCE
Intervention Model
SINGLE GROUP
Sponsor Type
NIH
Responsible Party
SPONSOR

Study Record Dates

First Submitted

February 22, 2019

First Posted

February 25, 2019

Study Start

March 28, 2019

Primary Completion

November 12, 2020

Study Completion

December 13, 2021

Last Updated

August 2, 2022

Results First Posted

August 2, 2022

Record last verified: 2021-12-13

Locations