Status:

COMPLETED

Effects of Oxygen Status on Hypoxia Inducible Factor 1-α and Inflammation. A Pilot Proof of Principle Study.

Lead Sponsor:

Radboud University Medical Center

Conditions:

Hypoxia

Hyperoxia

Eligibility:

MALE

18-35 years

Phase:

PHASE1

Brief Summary

It has been shown in in vitro and animal models that hypoxia can have pro-inflammatory effects and hyperoxia can have anti-inflammatory effects. The pro-inflammatory effect could be the result of acti...

Eligibility Criteria

Inclusion

  • Age ≥18 and ≤35 yrs
  • Male
  • Healthy

Exclusion

  • Use of any medication
  • Smoking
  • History, signs or symptoms of cardiovascular disease
  • History of atrial or ventricular arrhythmia
  • (Family) history of myocardial infarction or stroke under the age of 65 years
  • Cardiac conduction abnormalities on the ECG consisting of a 2nd degree atrioventricular block or a complex bundle branch block
  • Hypertension (defined as RR systolic \> 160 or RR diastolic \> 90 mmHg)
  • Hypotension (defined as RR systolic \< 100 or RR diastolic \< 50 mmHg)
  • Renal impairment (defined as plasma creatinine \>120 μmol/l)
  • Liver enzyme abnormalities alkaline phosphatase\>230 U/L and/or ALT\>90 U/L
  • Medical history of any obvious disease associated with immune deficiency
  • CRP \> 20 mg/L, WBC \> 12x109/L, or clinically significant acute illness, including infections, within 4 weeks before endotoxemia day
  • Participation in a drug trial or donation of blood 3 months prior to the experiment
  • Pre-existent lung disease or asthma
  • Use of recreational drugs within 21 days prior to experiment day
  • Visit to altitude \>1500m within 4 weeks prior to the experiment
  • Air travel with flight time over 3 hours within 4 weeks prior to the experiment
  • History of acute mountain sickness
  • Recent hospital admission or surgery with general anaesthesia (\<3 months)
  • Claustrophobia
  • Feelings of discomfort during a 10 minute test wearing the transparent respiratory helmet at the screening visit

Key Trial Info

Start Date :

June 1 2013

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

December 1 2014

Estimated Enrollment :

20 Patients enrolled

Trial Details

Trial ID

NCT01889823

Start Date

June 1 2013

End Date

December 1 2014

Last Update

March 25 2015

Active Locations (1)

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1

Intensive Care Medicine, Radboud University Nijmegen Medical Centre

Nijmegen, Nijmegen, Gelderland, Netherlands, 6500 HB