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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT00384319
Other study ID # LRS-01-06-01
Secondary ID
Status Completed
Phase Phase 1
First received October 4, 2006
Last updated January 3, 2008
Start date October 2006
Est. completion date December 2007

Study information

Verified date December 2007
Source Life Recovery Systems
Contact n/a
Is FDA regulated No
Health authority Austria: Agency for Health and Food Safety
Study type Interventional

Clinical Trial Summary

The purpose of this study is to determine if the Life Recovery Systems Thermosuit(R) System is able to quickly and conveniently cool patients who are comatose after resuscitation from cardiac arrest.


Description:

The primary purpose of this study is to clinically evaluate the use of a new cooling device (the LRS ThermoSuit(R) System) to cool patients who are comatose following resuscitation from cardiac arrest. This device cools by circulating cold water directly against the skin of the patient. Cooling to a state of mild hypothermia (32 to 34 degrees C, maintained for 12 to 24 hours) is recognized by the American Heart Association, European Resuscitation Council, and the Canadian Association of Emergency Care Physicians as a promising therapy for such patients, and is likely to be most effective if administered quickly following resuscitation. It is hypothesized that this new device will cool patients much more quickly than by historical means. Patients will be monitored for physiologic parameters such as body temperature during the cooling therapy, and will be tracked for neurological outcomes following treatment.


Recruitment information / eligibility

Status Completed
Enrollment 10
Est. completion date December 2007
Est. primary completion date June 2007
Accepts healthy volunteers No
Gender Both
Age group 18 Years and older
Eligibility Inclusion Criteria:

- Cardiac arrest prior to or during hospital admission, with restoration/return of spontaneous circulation (ROSC).

- Initial (pre-resuscitation) cardiac rhythm of ventricular fibrillation, non-perfusing ventricular tachycardia, pulseless electrical activity, or asystole.

- Estimated or known age > 18 years.

- Intubation, ventilation and placement of esophageal probe.

- Persistent neurologic dysfunction i.e. comatose upon enrollment [GCS = 8].

Exclusion Criteria:

- Height greater than 188 cm.

- Elbow-to-elbow width greater than 60 cm (as measured above the supine patient).

- Core temperature less than 35°C after ROSC (as measured at the tympanic membrane, esophagus, sub-lingual space,nasopharynx, or central blood vessel).

- Comatose state before the cardiac arrest due to the administration of drugs that depress the central nervous system.

- Known pregnancy.

- Response to verbal commands after ROSC (but before enrollment).

- Known terminal illness that preceded the arrest.

- Known enrollment in another study of a device, drug, or biologic.

- Major trauma or other co-morbidity requiring urgent surgery.

- Improving neurologic status.

- > 4 hours since return of spontaneous circulation.

- Unknown time of arrest.

- Severe or known coagulopathy (with active bleeding).

- Hemodynamic instability despite vasopressors (SBP < 90 mmHg or MAP < 60 mmHg for > 30 minutes after ROSC and before enrollment).

Study Design

Allocation: Non-Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


Intervention

Device:
ThermoSuit(R) System
The ThermoSuit device is used to cool patients using direct contact of the skin with cold water.

Locations

Country Name City State
Austria General Hospital, University of Vienna Vienna

Sponsors (2)

Lead Sponsor Collaborator
Life Recovery Systems Medical University of Vienna

Country where clinical trial is conducted

Austria, 

Outcome

Type Measure Description Time frame Safety issue
Primary Primary: Time from collapse to achieving desired range of cooling (32.0 to 34.0°C); Day of treatment No
Primary Time from deployment of the ThermoSuit™ (start of cooled water flow to patient) to core temperature < 34.0°C; Day of treatment No
Primary Total time during the first 24 hours after cooling is initiated that the core temperature is between 32.0 and 34.0°C.; First day after treatment No
Primary Protocol compliance: This is defined as the proportion of patients in whom compliance (i.e. target temperature range) is achieved 85% of the time.; First day after treatment No
Primary Ease of use of the TSS (evaluated by clinical staff using the Product Performance Assessment questionnaire, Appendix 7); Day of treatment No
Primary Duration of maintenance of hypothermia without supplemental cooling; First day after treatment No
Primary Ease of maintenance of hypothermia for 12 hours (whether or not supplemental cooling is needed) First 12 hours after treatment No
Secondary Secondary: Total number of days in ICU; Time while patient is in ICU No
Secondary Barriers to compliance; First day after treatment No
Secondary Neurologic and physical status during in-hospital recovery; Time while patient is hospitalized Yes
Secondary Neurologic and physical status at discharge; Time at which patient is discharged for hospital Yes
Secondary Neurologic and physical status at 30 ± 7 days follow-up for surviving patients; 30 ± 7 days after hospital discharge Yes
Secondary Neurologic and physical status at 6 month ± 15 days follow-up. 6 months ± 15 days after hospital discharge Yes
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