Autologous blood or autologous serum acupoint injection therapy for psoriasis vulgaris A protocol for a systematic review and meta-analysis

Background: Psoriasis vulgaris (PV) is a refractory and relapsing skin disease that affects the physical and mental health of patients and leads to poor quality of life. Current conventional systemic therapy shows a large side effect, which can not be used for a long time, easy to relapse after drug withdrawal, long-term efficacy is poor. At present, traditional Chinese medicine treatment of psoriasis vulgaris effective, can alleviate symptoms, improve the quality of life, stabilize the condition, prolong the remission period. Whereas, there is no related systematic review and meta-analysis. Thus, we intend to conduct a systematic review and meta-analysis to testify autologous blood or autologous serum acupoint injection therapy for Psoriasis Vulgaris. Methods: Our systematic review will search all randomized controlled trials for autologous blood therapy of PV, electronically and manually, regardless of publication status and language, until March 19, 2020. Databases include PubMed, EMBASE, Web of Science, Cochrane Controlled Trials Register, China National Knowledge Infrastructure, China Biomedical Literature Database, Chinese Science Journal Database, and Wanfang database. Other sources, including reference lists of identified publications and meeting minutes, will also be searched. Manually search for grey literature, including unpublished conference articles. Result: The main outcomes contain the variation of Psoriasis area and severity index, dermatology life quality index, itching score, the effective rate and adverse events from baseline to the end of studies. This study will provide a comprehensive review of the available evidence for the treatment of PV with this therapy. Conclusion: We will summarize sufficient evidence to confirm the therapeutic effect and safety of autologous blood or autologous serum acupoint injection therapy for PV. Due to the data is not individualized, formal ethical approval is not required.