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2016 ; 9
(1
): 32-40
Nephropedia Template TP
gab.com Text
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English Wikipedia
Anti-Programmed Cell Death (PD)-1 Immunotherapy for Malignant Tumor: A Systematic
Review and Meta-Analysis
#MMPMID26947879
Chen R
; Peng PC
; Wen B
; Li FY
; Xie S
; Chen G
; Lu J
; Peng Z
; Tang SB
; Liang YM
; Deng X
Transl Oncol
2016[Feb]; 9
(1
): 32-40
PMID26947879
show ga
This systematic review and meta-analysis evaluated anti-programmed cell death
(PD)-1 immunotherapy (nivolumab or pembrolizumab) for overall efficacy, safety,
and effective dose relative to standard chemotherapy or other conventional drugs
in the treatment of malignant tumors. We searched the following databases,
PubMed, Medline, Embase, Cochrane, Wangfang Data, Weipu, and China National
Knowledge Infrastructure, and the reference lists of the selected articles for
randomized controlled trials (RCTs) of anti-PD-1 therapies in humans. The outcome
measures were overall survival, treatment response, and adverse events. Only four
randomized controlled trials met our inclusion criteria. Three of these evaluated
responses to nivolumab, whereas one tested pembrolizumab. The result of our
analysis suggested that nivolumab may improve the overall response rate in
treating melanoma relative to chemotherapy and has few associated adverse events.
Similarly, in metastatic melanoma patients, nivolumab had a significant advantage
over dacarbazine in terms of 1-year survival, progression-free survival, and
objective response rate. Regarding dose levels of nivolumab for patients with
metastatic renal cell carcinoma, the outcomes in response to 2 and 10 mg/kg were
similar, but both had significant advantages over 0.3 mg/kg. In addition,
pembrolizumab showed similar outcomes in response to 2- and 10-mg/kg treatment.
Anti-PD-1 immunotherapy appears to be safe and effective for patients with
melanoma or metastatic renal cell carcinoma. Our meta-analysis is limited, but
additional clinical trials are warranted to verify this preliminary evidence of
positive outcomes and before anti-PD-1 therapy can be recommended for routine
clinical use.