Hamad, AA; Lodi, G; Porter, S; Fedele, S; Mercadante, V; (2019) Interventions for dry mouth and hyposalivation in Sjögren's syndrome: a systematic review and meta-analysis. Oral Diseases , 25 (4) pp. 1027-1047. 10.1111/odi.12952.

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Abstract

OBJECTIVES: Systematic review with meta-analysis of interventions for dry mouth symptoms and hyposalivation of Sjögren's syndrome (SS). MATERIALS AND METHODS: We searched MEDLINE, Cochrane Central and EMBASE up to February 2018 for randomized trials of interventions for dry mouth and hyposalivation of SS. The primary outcome was the mean change in xerostomia symptoms. The secondary outcomes included changes in salivary flow and quality of life. We used the Cochrane risk of bias tool for individual studies and the GRADE method to summarize the quality of evidence across studies for the included outcomes. RESULTS: Thirty-six studies (3,274 patients) were included in the systematic review. Results from the meta-analyses showed high-quality evidence that pilocarpine was superior to placebo in reducing dry mouth symptoms. We found moderate quality of evidence that pilocarpine, rituximab, and interferon-alpha were more effective than placebo in increasing salivary flow, with the relevant effect size being large for pilocarpine, and notably smaller for rituximab and interferon-alpha. CONCLUSION: Clinicians should be very confident in the beneficial effects of pilocarpine upon dry mouth symptoms of SS, and moderately confident that pilocarpine, rituximab and interferon-alpha can have beneficial effects upon salivary flow. Adverse events are common. The use of other treatment modalities cannot be supported on the basis of current evidence.

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