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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT00253279
Other study ID # 2005-P-001510
Secondary ID G P50 GM021700-2
Status Not yet recruiting
Phase Phase 1
First received November 11, 2005
Last updated August 12, 2009
Start date November 2009
Est. completion date January 2010

Study information

Verified date August 2009
Source National Institute of General Medical Sciences (NIGMS)
Contact n/a
Is FDA regulated No
Health authority United States: Federal Government
Study type Observational

Clinical Trial Summary

Our specific aim is to gain an understanding of protein synthesis rates in burn patients at various times during their injury and recovery by using PET scans. This will be compared with healthy volunteer controls. We hope this will help optimize nutrition and care regimens for future burn patients.


Description:

The purpose of this study is to understand how muscles are built up and broken down (metabolism) in both burn patients and healthy people.The studies will help us understand how muscle metabolism is different for burn patients and healthy subjects. We hope to find ways to help the body of a burn victim heal without losing too much muscle.

Protein is an important part of our daily diet. Normally, the body breaks down the protein we eat into smaller pieces called amino acids. It uses the amino acids to make its own proteins. It uses these proteins to heal wounds, fight infections, and provide energy.

After a burn injury, the body speeds up the pace of its life activities. It needs more energy just to stay alive and recover from the burn. The body often gets the extra energy it needs by breaking the protein in muscles down into amino acids. The amino acids are then made into new proteins. If too much muscle is broken down, it is harder for the body to function. This can make recovery slower or possibly lead to death.

For Healthy Volunteers, this study will require no more than 6 hours of time in total. This time will be spread out over two visits, a Screening Visit and a Scan Visit.

For Burn Patients, this study will require no more than 14 hours total. This time will be spread out over four visits-a screening visit and a maximum of 3 scan visits. A total of three PET scans will be done over a 2 year period.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 64
Est. completion date January 2010
Est. primary completion date January 2010
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Both
Age group 18 Years to 70 Years
Eligibility Inclusion Criteria:

FOR HEALTHY VOLUNTEERS

Healthy males and females 18-70 years of age.

Laboratory results within MGH-accepted normal range.

Within 20% of the ideal weight for their height.

Supine and standing blood pressure within the range of 110/60 to 150/90 mm Hg

Heart rate within the range of 46-90 beats/minute after 5 minutes of rest.

Subjects <40 years old with HCT >=24, age 40-60 with HCT >=27, age 60-70 with HCT >=30.

FOR BURN SUBJECTS:

Inclusion Criteria:

Burn Injury of >=5 % TBSA from any cause.

18 -70 years of age

Stable hemodynamic and cardiopulmonary states as judged by the attending surgeons in the burn unit.

Patient who is capable of giving full informed consent.

Exclusion Criteria:

FOR HEALTHY SUBJECTS Clinical evidence of physical or mental disease.

Clinically significant abnormality of the laboratory tests.

Known drug or alcohol dependence.

History of drug allergy

Taking standard prescription drugs within two weeks or investigational drugs within four weeks prior to the PET scan

Diabetes mellitus and other metabolic endocrine disorders Pregnant or lactating

FOR BURN SUBJECTS:

Pregnant or lactating females

Study Design

Observational Model: Case Control, Time Perspective: Prospective


Related Conditions & MeSH terms


Intervention

Procedure:
PET Scans
Healthy volunteers will undergo one PET Scan; bur patients will undergo a maximum of 3 PET scans over 2 years after injury; a maximum of 2 will be done while inpatient; one after d/c.

Locations

Country Name City State
United States Massachusetts General Hospital Boston Massachusetts

Sponsors (2)

Lead Sponsor Collaborator
Massachusetts General Hospital National Institute of General Medical Sciences (NIGMS)

Country where clinical trial is conducted

United States, 

References & Publications (4)

Carter EA, Yu YM, Alpert NM, Bonab AA, Tompkins RG, Fischman AJ. Measurement of muscle protein synthesis by positron emission tomography with L-[methyl-11C]methionine: effects of transamination and transmethylation. J Trauma. 1999 Aug;47(2):341-5. — View Citation

Fischman AJ, Hsu H, Carter EA, Yu YM, Tompkins RG, Guerrero JL, Young VR, Alpert NM. Regional measurement of canine skeletal muscle blood flow by positron emission tomography with H2(15)O. J Appl Physiol (1985). 2002 Apr;92(4):1709-16. — View Citation

Fischman AJ, Yu YM, Livni E, Babich JW, Young VR, Alpert NM, Tompkins RG. Muscle protein synthesis by positron-emission tomography with L-[methyl-11C]methionine in adult humans. Proc Natl Acad Sci U S A. 1998 Oct 27;95(22):12793-8. — View Citation

Hsu H, Yu YM, Babich JW, Burke JF, Livni E, Tompkins RG, Young VR, Alpert NM, Fischman AJ. Measurement of muscle protein synthesis by positron emission tomography with L-[methyl-11C]methionine. Proc Natl Acad Sci U S A. 1996 Mar 5;93(5):1841-6. — View Citation

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