Status:

NOT_YET_RECRUITING

Impact of Exogenous Ketones on Breathing in Healthy Volunteers

Lead Sponsor:

Johns Hopkins University

Conditions:

Healthy Volunteer

Eligibility:

All Genders

18-50 years

Phase:

EARLY_PHASE1

Brief Summary

Exogenous ketones (EK) are compounds that can increase the level of ketones in the body without needing to change what an individual eats. Although EK have been researched mainly in relation to energ...

Detailed Description

Healthy volunteers will undergo daytime hypercapnic ventilatory response (HCVR) testing before and after ingesting 40g of exogenous ketones or placebo. Circulating ketone levels (beta-hydroxybutyrate)...

Eligibility Criteria

Inclusion

  • BMI of 18 - 30 kg/m2

Exclusion

  • No concomitant sleep disorder (e.g. sleep apnea, insomnia, restless leg syndrome, narcolepsy, idiopathic hypersomnia). If there is no known diagnosis of sleep apnea, a STOP-BANG score of 5 or higher is an exclusion.
  • No current daytime respiratory impairment such as uncontrolled asthma, or uncontrolled Chronic Obstructive Pulmonary Disease (COPD), pneumonia, interstitial lung disease.
  • No known history of chronic renal disease or diabetes (type 1 or type 2).
  • No use of supplemental oxygen.
  • Cannot be on a low carbohydrate (\<130 g carbohydrate/day) or ketogenic diet, intermittent fasting, or consuming exogenous ketones
  • Cannot be pregnancy or breastfeeding
  • Cannot be on medications: acetazolamide or Sodium-glucose cotransporter-2 (SGLT2) inhibitor, daily opioid use.
  • No history of claustrophobia or panic disorder
  • No frequent alcohol intake (more than 1 drink per day on average, or \> 10 drinks per week).

Key Trial Info

Start Date :

January 10 2026

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

February 10 2027

Estimated Enrollment :

20 Patients enrolled

Trial Details

Trial ID

NCT07220122

Start Date

January 10 2026

End Date

February 10 2027

Last Update

October 24 2025

Active Locations (1)

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Page 1 of 1 (1 locations)

1

Johns Hopkins Bayview Medical Center

Baltimore, Maryland, United States, 21224