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Children with sickle cell anemia (SCA) seem to have higher energy needs than children who do not have the disease. This may be the reason why children and teenagers with sickle cell anemia tend to be smaller, weigh less, and have less fat and muscle than children and teens that do not have the disease.
This study is being done to find out if giving a supplement called glutamine will help children with sickle cell anemia by lowering their energy needs and improving their growth and strength. Children will be randomly assigned (like a flip of a coin) to one of two groups. One group will take glutamine and one group will take a placebo (a protein mixture that looks like glutamine but may not have the same effect in the body). No one will know which group is taking which supplement until the study has been completed. Children will be in the study for 12 months.
1. The study will compare the effect of glutamine and placebo on resting energy expenditure (REE) in children with sickle cell anemia (SCA) by comparing the change in REE ratio between baseline and 12 months.
2. The study investigates the effect of oral glutamine and placebo on body composition in children with SCA by comparing the difference in body mass indexes (BMIs) and percent of body fat (DEXA Scan) between baseline and 12 months of treatment in the two groups.
3. This Study will investigate the effect of oral glutamine and placebo on growth in children with SCA by comparing the Z scores for one year before baseline to 1 year while on study.
4. This study will investigate the effect of oral glutamine and placebo in children with SCA by comparing the difference in the levels of plasma and red blood cell glutamine between baseline and 12 months of treatment in the two groups.
5. This study will investigate the clinical effects (strength and exercise endurance) of oral glutamine and placebo in children with SCA by comparing the difference between baseline and 12 months of treatment in the two groups.
6. This study will evaluate quality of life in children with SCA who have glutamine or placebo for 12 months.
7. This study will evaluate the changes in REE over time in a small group of patients that will have REE measurement at months 3, 6, and 9. This objective will be offered to all patients, but will be "additional studies" that are not required to participate in the protocol.
Allocation: Randomized, Control: Placebo Control, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator), Primary Purpose: Prevention
Anemia, Sickle Cell
St. Jude Children's Research Hospital
St. Jude Children's Research Hospital
Published on BioPortfolio: 2014-07-23T21:51:01-0400
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An abnormal hemoglobin resulting from the substitution of valine for glutamic acid at position 6 of the beta chain of the globin moiety. The heterozygous state results in sickle cell trait, the homozygous in sickle cell anemia.
One of the sickle cell disorders characterized by the presence of both hemoglobin S and hemoglobin C. It is similar to, but less severe than sickle cell anemia.
A disease characterized by chronic hemolytic anemia, episodic painful crises, and pathologic involvement of many organs. It is the clinical expression of homozygosity for hemoglobin S.
An acute purulent infection of the meninges and subarachnoid space caused by Streptococcus pneumoniae, most prevalent in children and adults over the age of 60. This illness may be associated with OTITIS MEDIA; MASTOIDITIS; SINUSITIS; RESPIRATORY TRACT INFECTIONS; sickle cell disease (ANEMIA, SICKLE CELL); skull fractures; and other disorders. Clinical manifestations include FEVER; HEADACHE; neck stiffness; and somnolence followed by SEIZURES; focal neurologic deficits (notably DEAFNESS); and COMA. (From Miller et al., Merritt's Textbook of Neurology, 9th ed, p111)
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