Journal
INTERNATIONAL IMMUNOPHARMACOLOGY
Volume 59, Issue -, Pages 328-338Publisher
ELSEVIER
DOI: 10.1016/j.intimp.2018.04.021
Keywords
Immune-related endocrine disorders; PD-1 inhibitor; Meta-analysis
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Background: We performed a systematic review and meta-analysis to evaluate the risk of immune-related endocrine disorders associated with PD-1 inhibitors therapy for solid tumors. Methods: An Embase and PubMed search through December 6, 2017, using the following keywords was performed: immune-related endocrine disorders, and PD-1 inhibitors, etc. The data were analyzed using R 3.4.3 (R Project) and the metafor package. Patients treated with chemotherapy alone were used as control for the purpose of comparison. Results: A total of 12 clinical trials including 5577 patients were found eligible for the meta-analysis. Compared with chemotherapy, the risk ratios of all-grade endocrine disorders are 13.89, (95% CI: 5.35-36.05, p < 0.001) for nivolumab therapy, and 9.85, (95% CI: 5.65-17.17, p < 0.001) for pembrolizumab therapy. The risk of all grade hypothyroidism and hyperthyroidism incidence was increased for nivolumab therapy (hypothyroidism: RR 10.07, 95% CI: 3.37-30.11, p < 0.001; hyperthyroidism: RR 4.29, 95% CI: 1.13-16.30, p = 0.034) and for pembrolizumab therapy (hypothyroidism: RR 7.73, 95% CI: 3.86-15.49, p < 0.001; hyperthyroidism: RR 5.09, 95% CI: 2.36-10.97, p < 0.001). There was a significant increase in the risk of grade 1-5 endocrine disorders incidence for ipilimumab-nivolumab combination therapy (versus ipilimumab, RR 3.20, 95% CI: 2.08-4.91, p < 0.001; versus nivolumab, RR 2.54, 95% CI: 1.70-3.80, p < 0.001). Conclusions: Both nivolumab and pembrolizumab therapy could result in a higher risk of all-grade immune related endocrine disorders than chemotherapy. Nivolumab and ipilimumab combination therapy could result in an even higher risk of all-grade immune-related endocrine disorders than ipilimumab or nivolumab alone. Awareness of these side effects could guide clinicians to better manage the patients treated with anti-PD-1 inhibitors therapy for solid tumors.
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