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HealthyPhase 1NCT00025987

Temperature Response to a Head-Neck Cooling System

A Phase 1 study testing Head and Neck Cooling System and Thermometer Pill in people with Healthy, run by National Institute of Neurological Disorders and Stroke (NINDS) at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This study will evaluate the effectiveness of a specially designed head-neck cooling system for way lowering the body's central, or core, temperature and cooling the brain. Brain cooling has an effect on stopping seizure discharges in the brain as well as the seizures themselves. Read more about this study

Who is it for?
Any ageHealthy volunteers can take part
Conditions the study is for
Healthy
What is being tested?
Head and Neck Cooling System and Thermometer Pill
How many people
10 participants
Where
1 siteUnited States
Study dates
Nov 2001to Apr 2003
Phase
Phase 1
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages Any age
  • All sexes
  • Healthy volunteers accepted
  • Child, Adult, Older adult

Who may be able to join

  • 21 years and older
  • No neurological or medical condition
  • No use medication of any kind, including prescription, over-the-counter or herbal medicines.
  • No history of any kind of gastrointestinal tract disorders

Who cannot join

  • Women who are pregnant (screened with urine pregnancy test)
  • Those with progressive neurological disorders
  • Those sensitive to coldness
  • Those taking medication
  • Those who smoke
  • Those whose heart rate less than 50 or more than 100
Show all 9Show fewer
  • Those who are less than 80 pounds or excessively overweight
  • Those who have a history of gastrointestinal disorders (i.e. diverticulitis and other inflammatory bowel diseases)
  • Those who have difficulty swallowing or whose gag reflex is impaired

Trial locations and contacts

1 site in 1 country.

United States1 site
  • National Institute of Neurological Disorders and Stroke (NINDS)

    Bethesda, Maryland, 20892

Other trials in United States

About this study

Official title: Thermal Responses In Normal Volunteers To Head-Neck Cooling

This study will evaluate the effectiveness of a specially designed head-neck cooling system for way lowering the body's central, or core, temperature and cooling the brain. Brain cooling has an effect on stopping seizure discharges in the brain as well as the seizures themselves. If this system works to cool the brain, a similar study may be tried in patients with epilepsy.

Normal volunteers 21 years of age and older who have no medical or neurological condition and do not use any medications may be eligible for this study. Candidates will be screened with an interview. Women will have a pregnancy test. Those enrolled will be hospitalized twice for overnight stays, with the admissions 2 to 3 days apart.

Participants will have a medical history, physical and neurological examinations, electroencephalogram (EEG) and electrocardiogram (EKG). Then, electrodes will be attached to their scalp, forearm and calf to measure temperatures in those locations. Intestinal (core) temperature will be measured with a temperature-sensing pill, which will be swallowed earlier), and a hand-held infrared thermometer will be used to measure temperatures from the ear canal, face, head, arms legs, and abdomen. Electrodes on the scalp will also measure changes in blood volume in the brain for a study of brain blood flow. Subjects will be seated in a comfortable chair and fitted with the cooling system, a portable unit with a circulating coolant. Cooling will last 30 minutes for the first session and 60 minutes for the second. Participants will be monitored for at least 30 minutes after each session to track temperature changes and have a post-cooling EEG recording.

Read the detailed description

The aim of this protocol is to study thermal responses in normal volunteers using a special cooling system designed to cool the head and neck. Temperature will be monitored at various locations including the scalp, face, mouth, ears (tympanic), arms, legs, and rectum. Previous studies indicate that cooling of the brain can be achieved with the head-neck cooling method. We hope to derive cooling parameters that will be used in a future study involving patients with epilepsy.

Conditions
Healthy
Being tested
Head and Neck Cooling System, Thermometer Pill
Keywords
Brain, Temperature, Lower, Tympanic, Rectal, Cooling of the Head and Neck, Control, Epilepsy, Healthy Volunteer, HV
Medical subject headings
Epilepsy

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Head and Neck Cooling SystemDevice

  • Thermometer PillDevice

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted5 Nov 2001 (estimated)
  2. Study startNov 2001
  3. Study completionApr 2003

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1
Primary purpose
Treatment
Enrolment
10 participants
IDs, dates and publications
ClinicalTrials.gov ID
NCT00025987
Sponsor's protocol ID
020025
Other IDs
02-N-0025
Status last verified
Apr 2003
First submitted
2 Nov 2001
Last updated
4 Mar 2008
Results posted
No

Publications

  • Amoateng-Adjepong Y, Del Mundo J, Manthous CA. Accuracy of an infrared tympanic thermometer. Chest. 1999 Apr;115(4):1002-5. doi: 10.1378/chest.115.4.1002.

    PubMed 10208200
  • Ao H, Moon JK, Tanimoto H, Sakanashi Y, Terasaki H. Jugular vein temperature reflects brain temperature during hypothermia. Resuscitation. 2000 Jul;45(2):111-8. doi: 10.1016/s0300-9572(00)00154-4.

    PubMed 10950319
  • Baumgartner FJ, Janusz MT, Jamieson WR, Winkler T, Burr LH, Vestrup JA. Cardiopulmonary bypass for resuscitation of patients with accidental hypothermia and cardiac arrest. Can J Surg. 1992 Apr;35(2):184-7.

    PubMed 1562930

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing Head and Neck Cooling System and Thermometer Pill in people with Healthy, run by National Institute of Neurological Disorders and Stroke (NINDS) at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 9 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 4 Mar 2008. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00025987, which also lists 3 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 4 Mar 2008.

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Temperature Response to a Head-Neck Cooling System | AzTrials