• Ji-Ho Lee, Hyeon-Sun Park, Sang-Hyeon Park, Yun-Kyung Song, Dong-Ho Keum, and Seo-Hyun Park.
• College of Korean Medicine, Dongguk University Graduate School, Seoul, Republic of Korea.
• Curr Pain Headache Rep. 2024 Aug 3.

BackgroundPharmacoacupuncture (PA) is an alternative injection therapy for a broad range of conditions. This meta-analysis evaluates the effectiveness and safety of PA in treating frozen shoulder (FS) and aims to standardise PA characteristics in clinical practice.MethodsRandomized controlled trials (RCTs) assessing PA for FS were systematically reviewed from seven electronic databases up to August 31, 2023. Outcomes measured included the visual analogue scale (VAS) or numerical rating scale (NRS), effective rate, Constant-Murley Score (CMS), Shoulder Pain and Disability Index (SPADI), ROM, quality of life (QoL), and adverse events. Data analysis was conducted using RevMan 5.3, with the risk of bias in each trial evaluated using Cochrane's risk of bias tool. The Grading of Recommendations Assessment, Development, and Evaluation (GRADE) tool assessed the quality of evidence.ResultsThirteen RCTs involving 1034 patients met the inclusion criteria, with eleven RCTs and 872 patients included in the meta-analysis. PA showed low-quality evidence of improvement in VAS, effective rate, CMS Total, and CMS Pain. Moderate-quality evidence indicated improvement in CMS ADL and CMS Mobility. PA was effective in four SF-36 subscales: physical function, social role function, mental health, and emotional role function. No significant difference in CMS strength was observed. One trial reported mild anaphylaxis reaction to bee venom as an adverse event.ConclusionPA may offer potential benefits as an alternative injection therapy for FS patients. Further well-designed RCTs with rigorous methodology are required to substantiate its therapeutic efficacy and clinical utility.RegistrationPROSPERO (CRD42023445708).© 2024. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.

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