Effects of Pre-dive Ketone Food Products on Latency to CNS Oxygen Toxicity (Aim 1)
Oxygen Toxicity
About this trial
This is an interventional prevention trial for Oxygen Toxicity
Eligibility Criteria
Inclusion Criteria: Males & females between 18 and 39 years old. Predicted (Phase 1) VO2max ≥ 30 ml/kg/min (female) or 35 ml/kg/min (male). BMI ≤ 30.0 unless VO2max and baseline exercise profile is deemed appropriate for the study by the PI. Exclusion Criteria: Prolonged QTc on initial ECG Currently pregnant or attempting to become pregnant. Have a medical history of: Smoking history deemed significant by PI Known significant electrolyte disorders Coronary artery disease Cardiac arrhythmia deemed significant by PI Lung disease Hypertension Seizures Exercise intolerance or inability to meet inclusion requirements Psychiatric disorder deemed significant by PI Previous pneumothorax or pneumomediastinum Hypo- or hyperglycemia Diabetes Inability to equalize middle ear spaces during hyperbaric compression Claustrophobia Regularly take any medications which may alter heart rate, blood pressure, neurotransmitter function, alter seizure threshold, mood or affect per PI discretion. Any other condition limiting ability to perform exercise testing or dive profile as determined by the investigators.
Sites / Locations
- Duke University Medical Center
Arms of the Study
Arm 1
Arm 2
Arm 3
Experimental
Experimental
Experimental
Ketogenic food products one time
Experimental: Ketogenic food products two times
Experimental: Ketogenic food products three times
Dietary Supplement: Ketogenic food products Participants will be given a ketogenic food product prior to the hyperbaric oxygen exposure.
Dietary Supplement: Ketogenic food products Participants will be given a ketogenic food product prior to the hyperbaric oxygen exposure.
Dietary Supplement: Ketogenic food products Participants will be given a ketogenic food product prior to the hyperbaric oxygen exposure.