PMID- 34449931 OWN - NLM STAT- MEDLINE DCOM- 20220404 LR - 20220405 IS - 1468-1331 (Electronic) IS - 1351-5101 (Linking) VI - 29 IP - 1 DP - 2022 Jan TI - Efficacy and safety of botulinum toxin for treating sialorrhea: A systematic review and meta-analysis. PG - 69-80 LID - 10.1111/ene.15083 [doi] AB - BACKGROUND AND PURPOSE: Sialorrhea often happens in patients with neurologic disorders, and botulinum toxin (BoNT), which inhibits acetylcholine activation, may be an effective treatment for drooling. This systematic review and meta-analysis of randomized control trials aims to evaluate the efficacy and safety of BoNT in adults and children with sialorrhea due to neurological disorders. METHODS: The PubMed, Embase, and Cochrane databases were searched for relevant studies published before August 2021. The pooled estimate of outcomes was calculated using a random effect model. RESULTS: The review included 17 studies involving 981 patients. Compared with placebo, both BoNT type A (BoNT-A) and BoNT type B (BoNT-B) alleviated drooling frequency and severity (mean difference, 95% CI; BoNT-A: -1.20, -1.89 to -0.51; BoNT-B: -1.62, -2.07 to -1.17), reduced saliva weight (BoNT-A: -1.70, -2.30 to -1.10; BoNT-B: -1.12, -1.97 to -0.27), and improved global impression of change (BoNT-A: -1.30, -1.73 to -0.86; BoNT-B: -1.58, -1.95 to -1.21) in adults 4 weeks postinjection. BoNT-B remained effective at 12 weeks. In children, BoNT-A and BoNT-B alleviated sialorrhea symptoms (BoNT-A: -1.63, -2.42 to -0.85; BoNT-B: -5.20, -6.03 to -4.37) and BoNT-A reduced saliva weight (-0.77, -1.54 to 0.00) at 4 weeks postinjection. After 12 weeks, BoNT-B remained efficacious. Most adverse effects (AEs) were mild to moderate and self-limited. CONCLUSIONS: There is moderate certainty of evidence (COE) that either BoNT-A or BoNT-B could relieve sialorrhea after 4 and 12 weeks of follow-up without significantly more severe AEs in adults. However, the COE is very low to low in children. CI - (c) 2021 European Academy of Neurology. FAU - Yu, Ya-Chien AU - Yu YC AD - School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan. FAU - Chung, Chen-Chih AU - Chung CC AUID- ORCID: 0000-0001-6743-6667 AD - Taipei Neuroscience Institute, Taipei Medical University, Taipei, Taiwan. AD - Department of Neurology, Taipei Medical University Shuang Ho Hospital, New Taipei City, Taiwan. AD - Department of Neurology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan. FAU - Tu, Yu-Kang AU - Tu YK AD - Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan. FAU - Hong, Chien-Tai AU - Hong CT AD - Taipei Neuroscience Institute, Taipei Medical University, Taipei, Taiwan. AD - Department of Neurology, Taipei Medical University Shuang Ho Hospital, New Taipei City, Taiwan. AD - Department of Neurology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan. FAU - Chen, Kee-Hsin AU - Chen KH AD - Postbaccalaureate Program in Nursing, College of Nursing, Taipei Medical University, Taipei, Taiwan. AD - Cochrane Taiwan, Taipei Medical University, Taipei, Taiwan. AD - Center for Nursing and Health Care Research in Clinical Practice Application, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan. AD - Evidence-Based Knowledge Translation Center, Wan Fang Hospital, Taipei, Taiwan. FAU - Tam, Ka-Wai AU - Tam KW AD - Evidence-Based Knowledge Translation Center, Wan Fang Hospital, Taipei, Taiwan. AD - Center for Evidence-Based Health Care, Taipei Medical University Shuang Ho Hospital, New Taipei City, Taiwan. AD - Division of General Surgery, Department of Surgery, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan. AD - Division of General Surgery, Department of Surgery, Taipei Medical University Shuang Ho Hospital, New Taipei City, Taiwan. FAU - Kuan, Yi-Chun AU - Kuan YC AUID- ORCID: 0000-0001-9316-4976 AD - Taipei Neuroscience Institute, Taipei Medical University, Taipei, Taiwan. AD - Department of Neurology, Taipei Medical University Shuang Ho Hospital, New Taipei City, Taiwan. AD - Department of Neurology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan. AD - Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan. AD - Cochrane Taiwan, Taipei Medical University, Taipei, Taiwan. AD - Center for Evidence-Based Health Care, Taipei Medical University Shuang Ho Hospital, New Taipei City, Taiwan. LA - eng PT - Journal Article PT - Meta-Analysis PT - Research Support, Non-U.S. Gov't PT - Systematic Review DEP - 20210912 PL - England TA - Eur J Neurol JT - European journal of neurology JID - 9506311 RN - 0 (Neuromuscular Agents) RN - EC 3.4.24.69 (Botulinum Toxins, Type A) SB - IM MH - *Botulinum Toxins, Type A/adverse effects MH - Child MH - Humans MH - *Neuromuscular Agents/therapeutic use MH - *Sialorrhea/chemically induced/etiology MH - Treatment Outcome OTO - NOTNLM OT - botulinum toxin OT - meta-analysis OT - movement disorders OT - randomized clinical trial EDAT- 2021/08/28 06:00 MHDA- 2022/04/05 06:00 CRDT- 2021/08/27 17:43 PHST- 2021/08/12 00:00 [revised] PHST- 2021/06/07 00:00 [received] PHST- 2021/08/19 00:00 [accepted] PHST- 2021/08/28 06:00 [pubmed] PHST- 2022/04/05 06:00 [medline] PHST- 2021/08/27 17:43 [entrez] AID - 10.1111/ene.15083 [doi] PST - ppublish SO - Eur J Neurol. 2022 Jan;29(1):69-80. doi: 10.1111/ene.15083. Epub 2021 Sep 12.