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Medicine (Baltimore). 2020 Mar;99(11):e19481. doi: 10.1097/MD.0000000000019481.

Efficacy and safety of elemene combined with chemotherapy in advanced gastric cancer: A Meta-analysis.

Liu Y1, Chen L2, Zhang R2,3,4, Chen B2,3,4, Xiang Y3,4, Zhang M2,3,4, Huang X2,3,4, Zhang W2,3,4, Chen X2,3,4, Pan T2,3,4, Yan L2,3,4, Jin T2,3,4, Liu S2,3,4, Feng J2,3,4, Duan T2,3,4, Xie T2,3,4, Lin S5, Sui X1,2,3,4.

Author information

1
Department of Medical Oncology, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University.
2
Department of Medical Oncology, Holistic Integrative Oncology Institutes and Holistic Integrative Cancer Center of Traditional Chinese and Western Medicine, the Affiliated Hospital of Hangzhou Normal University.
3
Department of Cancer Pharmacology, Holistic Integrative Pharmacy Institutes, College of Medicine.
4
Key Laboratory of Elemene Class Anti-cancer Chinese Medicine of Zhejiang Province and Engineering Laboratory of Development and Application of Traditional Chinese Medicine from Zhejiang Province, Hangzhou Normal University.
5
Department of Lung Transplantation, Department of Thoracic Surgery, the First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China.

Abstract

BACKGROUND:

Elemene is a natural compound extracted from Zingiberaceae plants, and is used in various cancer. However, the efficacy and safety elemene combined with chemotherapy in advanced gastric cancer (GC) are lack of systematic assessment.

METHODS:

we searched the PubMed, EMBASE, Web of Science, Cochrane Library, China Academic Journals (CNKI), Chinese Science and Technology Journals (CQVIP) and Chinese Biomedical Literature databases. Randomized controlled trials (RCTs) comparing elemene plus chemotherapy with chemotherapy alone in participants with advanced GC and reporting at least one of the following outcomes were selected and assessed for inclusion. JADAD scale was used to assess the quality. Data was screened and extracted by two independent investigators. The primary clinical outcome was overall response rate (ORR); the secondary outcomes were quality of life (QOL) and adverse events (AEs). Analysis was performed using Review Manager 5.3.

RESULTS:

Sixteen RCTs matched the selection criteria, which reported on 969 subjects. Risk ratios (RR) and corresponding 95% confidence intervals (CIs) were pooled for ORR, life quality based on KPS, and risk of AEs. Compared to chemotherapy alone, elemene combined with chemotherapy in the treatment of GC may increase the efficiency of ORR(RR: 1.41; 95% CI: 1.23-1.60; P < .0001), improve their life quality based on KPS (RR: 1.84; 95% CI: 1.45-2.34; P < .00001), and reduce the adverse reactions, including leukopenia(RR: 0.73; 95% CI: 0.62-0.85; P < .00001), neutropenia (RR: 0.75; 95% CI: 0.60-0.95; P = .02), anemia (RR: 0.76; 95% CI: 0.60-0.95; P = .02), thrombocytopenia (RR: 0.56; 95% CI: 0.43-0.73; P < .00001). Nausea and vomiting (RR: 0.84; 95% CI: 0.84-1.07; P = .39), diarrhea (RR: 0.69; 95% CI: 0.41-1.15; P = .15), neurotoxicity (RR: 0.77; 95% CI: 0.59-1.00; P = .05) and hepatic dysfunction (RR: 0.95; 95% CI: 0.58-1.54; P = .83) were similar between two groups.

CONCLUSIONS:

Elemene may have the potential to improve the efficacy and reduce the AEs of chemotherapy for gastric cancer. However, the long-term, high-quality researches with a large sample size in different populations are required.

PMID:
32176081
DOI:
10.1097/MD.0000000000019481
[Indexed for MEDLINE]
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