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>Prevention of acute radiation-induced Proctitis by Aloe vera : a prospective randomized, double-blind, placebo controlled clinical trial in Pelvic Cancer patients
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Prevention of acute radiation-induced Proctitis by Aloe vera : a prospective randomized, double-blind, placebo controlled clinical trial in Pelvic Cancer patients
Acute radiation-induced proctitis (ARP) is the most common side effect following radiotherapy for malignant pelvic disease. This study evaluated the efficacy of Aloe vera ointment in prevention of ARP. Forty-two patients receiving external-beam radiotherapy (RT) for pelvic malignancies were randomized to receive either Aloe vera 3% or placebo topical ointment during radiotherapy for 6?weeks. These patients were evaluated based on the severity (grade 0–4) of the following symptoms weekly: rectal bleeding, abdominal/rectal pain, diarrhea, or fecal urgency. RTOG acute toxicity criteria and psychosocial status of the patients were also recorded weekly. Lifestyle impact of the symptoms, and quantitative measurement of C-reactive protein (CRP), an indicator of systemic inflammation, were also measured. The results of present study demonstrated a significant preventive effect for Aloe vera in occurrence of symptom index for diarrhea (p??0.001), rectal bleeding (p??0.001), and fecal urgency (p?=?0.001). The median lifestyle score improved significantly with Aloe vera during RT (p??0.001). Intervention patients had a significant lower burden of systemic inflammation as the values for quantitative CRP decreased significantly over 6?weeks of follow-up (p?=?0.009). This study showed that Aloe vera topical ointment was effective in prevention of symptoms of ARP in patients undergoing RT for pelvic cancers. IRCT201606042027N6. Registration date: 2016-09-04.
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