PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 31816435-0 2020 The influence of metformin on IGF-1 levels in humans: A systematic review and meta-analysis. Metformin 17-26 insulin like growth factor 1 Homo sapiens 30-35 31816435-1 2020 BACKGROUND: A meta-analysis is needed to comprehensively consolidate findings from the influence of metformin on IGF-1 levels. Metformin 100-109 insulin like growth factor 1 Homo sapiens 113-118 31816435-2 2020 The present study was conducted with the objective to accurately evaluate the influence of metformin intake on IGF-1 levels via a meta-analysis of randomized controlled trials. Metformin 91-100 insulin like growth factor 1 Homo sapiens 111-116 31816435-4 2020 Weighted mean difference (WMD) with the 95 % CI were applied for estimating the effects of metformin on serum IGF-1 levels. Metformin 91-100 insulin like growth factor 1 Homo sapiens 110-115 31816435-6 2020 Pooled results demonstrated an overall non-significant decline in IGF-1 following metformin intake (WMD: -8.292 ng/ml, 95 % CI: -20.248, 3.664, p = 0.174) with heterogeneity among (p = 0.000,I2 = 87.1 %). Metformin 82-91 insulin like growth factor 1 Homo sapiens 66-71 31816435-8 2020 Moreover, in age 18 < years older metformin intake (WMD: 15.125 ng/ml, 95 % CI: 5.522, 24.729, I2 = 92.5 %) significantly increased IGF-1 than 18 <= years older (WMD:-1.038 ng/ml, 95 % CI: -3.578,1.502,I2 = 78.0 %). Metformin 34-43 insulin like growth factor 1 Homo sapiens 132-137 31816435-9 2020 Following dose-response evaluation, metformin intake reduced IGF-1 (coefficient for dose-response analysis= -13.14, P = 0.041 and coefficient for liner analysis= -0.066, P = 0.038) significantly based on treatment duration. Metformin 36-45 insulin like growth factor 1 Homo sapiens 61-66 31816435-10 2020 CONCLUSION: We found in children, intervention duration <12 weeks yielded significant reductions in IGF-1, whilst paradoxically, in participants >18 years old, metformin intake significantly increased IGF-1. Metformin 160-169 insulin like growth factor 1 Homo sapiens 201-206