Effectiveness of a spray containing 1% malic acid in patients with xerostomia induced by graft-versus-host disease
2019
To evaluate the clinical effectiveness of a topical sialogogue spray (malic acid, 1%) in the treatment of xerostomia in patients with chronic Graft versus Host Disease (cGVHD).
This study was designed as a randomized double-blind clinical study. Twenty-eight patients with cGVHD suffering from xerostomia were divided into 2 groups: the first group (14 patients) received a topical sialagogue spray containing malic acid 1% (SalivAktive®) whereas the second group (14 patients) received a placebo. Both groups received treatment for 2 weeks. Dry Mouth Questionnaire (DMQ) scores and unstimulated salivary flows rate were collected before and after treatment.
DMQ scores increased significantly from 1.3 ± 0.4 to 3.5 ± 0.4 points (p 0.05). The unstimulated salivary flow rate in patients treated with malic acid increased significantly from 0.15 ± 0.06 mL/min to 0.24± 0.08 mL/min, while that of the patients treated with placebo went from 0.16 ± 0.07 mL/min to 0.17 ± 0.09 mL/min (p >0.05).
Malic acid 1% spray can be considered effective in the treatment of GVHD induced xerostomia.
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