Study of Oxycyte in Severe Closed Head Injury

February 4, 2026 updated by: Tenax Therapeutics, Inc.

An Open Label, Proof of Concept Study, to Evaluate the Safety and Biological Effects of Oxycyte™ Perfluorocarbon in Patients With A Severe Head Injury Requiring Intracranial Pressure Monitoring-OX-CL-II-002

Brain damage as a result of decreased oxygen to the brain is found in 80% of patients that die with severe head injuries. Laboratory studies in animals and clinical trials have shown that increasing oxygen in the brain results in better brain oxygen consumption, less cell death, and better functional outcome. This study will test the hypothesis that Oxycyte is an effective way to increase brain oxygen levels in severe head injury.

Study Overview

Status

Terminated

Conditions

Intervention / Treatment

Detailed Description

Decreased brain oxygen in severe brain injuries appears to be implicated in poor functional outcome and death. Animal and clinical studies have shown that increasing brain oxygen in such patients improves functional outcome, and Oxycyte has been shown to be an effective means of delivering oxygen to tissues, including the brain. This study is an eight patient proof of concept study to test the effects of oxygen delivery with Oxycyte in patients with a severe traumatic head injury with a Glasgow Coma Scale (GCS) score of 3 to 9.

Subjects diagnosed with a severe head injury (GCS 3-9) who receive a brain oxygen monitor and microdialysis catheter, will undergo baseline monitoring for 4 hours. In the first 4 subjects the Fi02 on the ventilator will be increased to 50% for a 4 hour stabilization period and this will be followed by a single intravenous infusion of 3ml/kg of Oxycyte. The Fi02 will remain at 50% for 24 hours.

In the second 4 subjects the Fi02 on the ventilator will be increased to 100% for a 4 hour stabilization period and this will be followed by a single intravenous infusion of 3ml/kg of Oxycyte. The Fi02 will remain at 100% for 24 hours.

Subjects will be enrolled, treated, and then monitored by LICOX 02 monitor before and after infusion of PFC, and then for at least 48 hours following the discontinuation of Oxycyte.

Study Type

Interventional

Enrollment (Actual)

9

Phase

  • Phase 2

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • Virginia
      • Richmond, Virginia, United States, 23298
        • Virginia Commonwealth University Medical Center

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 70 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • severe closed head injury patients or GCS 3-9 patients who receive brain oxygen monitoring
  • ventriculostomy/ICP monitor
  • at least one reactive pupil
  • no known life threatening disease prior to trauma
  • age 18-70 years old
  • consent for microdialysis/brain 02 monitoring
  • legal family representative present that can give informed consent for perfluorocarbon administration

Exclusion Criteria:

  • no motor response
  • both pupils fixed and dilated
  • no consent available
  • allergy to egg proteins
  • coagulopathy
  • major liver injury
  • major pulmonary injury

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Oxycyte, perfluorocarbon
one time dose of 3mL/kg over 15 minutes
Drug: Oxycyte
intravenous infusion
Other Names:
  • perfluorocarbon

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Brain Dialysate Concentration Data
Time Frame: 40 hours
40 hours

Secondary Outcome Measures

Outcome Measure
Adverse events will be captured throughout drug infusion and 2 weeks post, Severe adverse events will be captured for 6 months. Glascow outcomes score at 3 and 6 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Tenax Therapeutics, Inc.

Collaborators

Virginia Commonwealth University

Investigators

  • Principal Investigator: M. R Bullock, M.D., Virginia Commonwealth University

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

September 1, 2005

Primary Completion (Actual)

March 1, 2008

Study Completion (Actual)

April 1, 2008

Study Registration Dates

First Submitted

September 9, 2005

First Submitted That Met QC Criteria

September 9, 2005

First Posted (Estimated)

September 15, 2005

Study Record Updates

Last Update Posted (Actual)

February 24, 2026

Last Update Submitted That Met QC Criteria

February 4, 2026

Last Verified

October 1, 2012

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • OX-CL-II-002

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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