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Background <p>Primary insomnia is a highly prevalent sleep disorder that significantly affects quality of life. Acupoint injection (AJ), a traditional therapy that combines pharmacological and acupuncture effects, has been increasingly applied in clinical practice. However, evidence of its efficacy and economic value is lacking. This study determined the clinical effectiveness of AJ and established the relative ranks of AJ-related therapies for the treatment of primary insomnia.</p> Methods <p>The clinical effectiveness and cost-effectiveness of AJ-related therapies for primary insomnia were evaluated through a systematic review and network meta-analysis (NMA) of randomized controlled trials (RCTs). We searched 11 electronic databases for relevant studies published up to June 10, 2025. The Pittsburgh Sleep Quality Index (PSQI) and effective rate were used as outcome measures. The quality of included studies was assessed using the Risk of Bias 2.0 tool. Pairwise meta-analysis and NMA were performed using RevMan 5.4 and R, respectively. The cost-effectiveness of the interventions was subsequently determined based on regional intervention costs.</p> Results <p>Twenty-four randomized controlled trials involving 1,851 participants were included in the meta-analysis. AJ combined with manual acupuncture (MA) significantly reduced PSQI scores based on the results of the pairwise meta-analysis and was among the most effective interventions based on the results of the network meta-analysis. The cost-effectiveness analysis revealed that AJ combined with MA was associated with better outcomes at modest additional costs, as indicated by the favorable incremental cost-effectiveness ratio (ICER) values for PSQI improvement and additional responders.</p> Conclusions <p>This study is the first to comprehensively synthesize evidence on the clinical effectiveness and cost-effectiveness of acupoint injection for primary insomnia. AJ combined with MA significantly improves sleep quality and may be a cost-effective and safe adjunctive therapy within the context of traditional medicine practice. It may be a feasible treatment option for primary insomnia. However, this conclusion should be validated through future studies due to the limitations of the quality of the literature. Further high-quality RCTs with standardized economic evaluations are warranted to confirm these findings.</p>

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Clinical effectiveness and economic evaluation of acupoint injection for the treatment of primary insomnia: a systematic review and network meta-analysis

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年5月9日

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  • HuiYan Zhao,
  • Mi Hong Yim,
  • Ho-Yeon Go,
  • Jung-Hee Jang

摘要

Background

Primary insomnia is a highly prevalent sleep disorder that significantly affects quality of life. Acupoint injection (AJ), a traditional therapy that combines pharmacological and acupuncture effects, has been increasingly applied in clinical practice. However, evidence of its efficacy and economic value is lacking. This study determined the clinical effectiveness of AJ and established the relative ranks of AJ-related therapies for the treatment of primary insomnia.

Methods

The clinical effectiveness and cost-effectiveness of AJ-related therapies for primary insomnia were evaluated through a systematic review and network meta-analysis (NMA) of randomized controlled trials (RCTs). We searched 11 electronic databases for relevant studies published up to June 10, 2025. The Pittsburgh Sleep Quality Index (PSQI) and effective rate were used as outcome measures. The quality of included studies was assessed using the Risk of Bias 2.0 tool. Pairwise meta-analysis and NMA were performed using RevMan 5.4 and R, respectively. The cost-effectiveness of the interventions was subsequently determined based on regional intervention costs.

Results

Twenty-four randomized controlled trials involving 1,851 participants were included in the meta-analysis. AJ combined with manual acupuncture (MA) significantly reduced PSQI scores based on the results of the pairwise meta-analysis and was among the most effective interventions based on the results of the network meta-analysis. The cost-effectiveness analysis revealed that AJ combined with MA was associated with better outcomes at modest additional costs, as indicated by the favorable incremental cost-effectiveness ratio (ICER) values for PSQI improvement and additional responders.

Conclusions

This study is the first to comprehensively synthesize evidence on the clinical effectiveness and cost-effectiveness of acupoint injection for primary insomnia. AJ combined with MA significantly improves sleep quality and may be a cost-effective and safe adjunctive therapy within the context of traditional medicine practice. It may be a feasible treatment option for primary insomnia. However, this conclusion should be validated through future studies due to the limitations of the quality of the literature. Further high-quality RCTs with standardized economic evaluations are warranted to confirm these findings.