The main aim of this study was to evaluate the effectiveness of melatonin in prevention of radiation induced oral mucositis clinically and biochemically.
The study was designed as randomized, controlled, clinical trial. patients who were undergoing chemoradiation were divided into two groups: Group I: was given conventional treatment. Group II: was given melatonin therapy in combination with the conventional treatment. All patients were clinically evaluated at the start the radiotherapy, three weeks and six weeks later for pain and oral mucositis severity. in addition, the total antioxidant capacity of the melatonin was evaluated at the start of the radiotherapy and six weeks later.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
NONE
Enrollment
40
Melatonin is a dietary supplement which is naturally produced in the body and closely involved in the natural sleep cycle. recently topical and systemic melatonin supplements. have been proposed as a new therapeutic modality for oral mucositis due to its anti-cancer, anti-inflammatory, and anti-oxidant effects.
Antifungal agent
Topical anesthetics and anti-inflammatory agent
Outpatient clinic of Department of Clinical Oncology, Faculty of Medicine, Alexandria University
Alexandria, Egypt
Changes in severity of oral mucositis at different time points along the study
Oral mucositis will be evaluated by the World Health Organization (WHO) scale which record the extent and severity of oral mucositis at the third and sixth week after the first radiotherapy session. This scale combines both subjective and objective measures of oral mucositis. World Health Organization (WHO) scale for oral mucositis: * Grade 0 = No oral mucositis * Grade 1 = Erythema and Soreness * Grade 2 = Ulcers, able to eat solids * Grade 3 = Ulcers, requires liquid diet (due to mucositis) * Grade 4 = Ulcers, alimentation not possible (due to mucositis)
Time frame: up to 3 and 6 weeks
Changes in the total antioxidant capacity (TAC) in saliva at different time points along the study
TAC is an index that measures total capacity of antioxidants in biological fluids using Colorimetric Method. it can evaluate the antioxidant response against the free radicals produced by radiotherapy. Normal reference values for TAC in saliva: 0.3-1 mM/L Higher values than normal range indicate higher level of TAC Changes in the total antioxidant capacity were evaluated at the first day of radiotherapy session (baseline) and six weeks later
Time frame: Baseline (day 0) and up to 6 weeks
Pain and discomfort severity at different time points along the study: Numeric Rating Scale
Discomfort and pain severity were reported by each patient using Numeric Rating Scale (NRS) at the third and sixth week after the first radiotherapy session. The NRS was calibrated from 0 to 10 with ranges tagged as; * No pain (NRS 0) * Mild pain (NRS 1-3) * Moderate pain (NRS 4-7) * Unbearable pain (NRS 8-10)
Time frame: up to 3 and 6 weeks
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Topical analgesic gel
Sodium bicarbonate mouthwash