The purpose of this study is to evaluate whether dietary nitrate supplementation could improve the plasma nitrate levels for nasopharyngeal carcinoma patients receiving concurrent chemo-radiation therapy.
Twenty patients diagnosed as nasopharyngeal carcinoma will be recruited. A 70 ml beetroot juice containing 0.45g nitrate or placebo will be provided to the patients for 7 days at the end of the radiotherapy . The plasma nitrate levels will be determined before radiotherapy, before intervention and after intervention.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
20
A 70 ml beetroot juice containing 0.45g nitrate will be provided to the patients for 7 days at the end of the radiotherapy.
A 70 ml placebo containing 0 g nitrate will be provided to the patients for 7 days at the end of the radiotherapy.
Capital Medical University School of Stomatology
Beijing, Beijing Municipality, China
RECRUITINGplasma nitrate level
The plasma nitrate level will be determined one day after nitrate supplementation.
Time frame: one day after nitrate supplementation
quality of life
The quality of life will be assessed one day after nitrate supplementation.
Time frame: one day after nitrate supplementation
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