Abstract
Objective
Bariatric procedures that exclude the proximal small intestine lead to significant weight loss which is probably mediated by changes in hormones that alter appetite, such as peptide YY (PYY), ghrelin, cholecystokinin (CCK), and leptin. Here, the effect of the non-surgical duodenal-jejunal bypass liner (DJBL) on concentrations of hormones implicated in appetite control was investigated.
Subjects
A two-center prospective study was conducted between January and December 2010. Seventeen obese subjects with type 2 diabetes were treated with the DJBL for 24 weeks. Fasting concentrations of leptin and meal responses of plasma PYY, CCK, and ghrelin were determined prior to and after implantation of the DJBL.
Results
At baseline, subjects had an average body weight of 116.0 ± 5.8 kg. One week after implantation, subjects had lost 4.3 ± 0.6 kg (p < 0.01), which progressed to 12.7 ± 1.3 kg at week 24 (p < 0.01). Postprandial concentrations of PYY and ghrelin increased (baseline vs. week 1 vs. week 24 PYY: 2.6 ± 0.2 vs. 4.1 ± 0.4 vs. 4.1 ± 0.7 nmol/L/min and ghrelin: 7.8 ± 1.8 vs. 11.0 ± 1.8 vs. 10.6 ± 1.8 ng/mL/min, all p < 0.05). In parallel, the CCK response decreased (baseline vs. week 1 vs. week 24: 434 ± 51 vs. 229 ± 52 vs. 256 ± 51pmol/L/min, p < 0.01). Fasting leptin concentrations also decreased (baseline vs. week 24: 98 ± 17 vs. 53 ± 10 ng/mL, p < 0.01).
Conclusions
DJBL treatment induces weight loss paralleled by changes in concentrations of hormones involved in appetite control.
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Acknowledgments
The authors would like to thank the subjects contributing to this trial; the trial nurses Y. Wils and R. Nelissen, and the students who helped conducting this research: G. Latten, N. Geubbels, M. de Wolf, T. van der Horst, R. Erbil, B. van der Putten, H. D’Agnolo, S. Peeters Weem, and M.A. Joosten; B. Winkens for statistical assistance; Dr. R.J. de Ridder, Dr. G.H. Koek, and Dr. C.M. Bakker for their help with the DJBL procedures; Prof. Dr. A.A. Masclee, Dr. J. Maljaars, and Y. Slaats for their help regarding the study design, and Dr. I.C. Arts and E. Theunisz for the Luminex analyses.
Clinical Trial Registration Number: NCT00985114
Conflict of Interest
N.D.B. and J.W.M.G. disclose the following financial relationships relevant to this publication. N.D.B. received an open research grant from GI dynamics. J.W.M.G. received consultancy fees an open research grant and support for travel to meetings for the study or other purposes from GI dynamics. All other authors have no conflicts of interest relevant to this article.
Grant Information
C.J., N.D.B. and J.W.M.G. disclose the following financial relationships relevant to this publication. C.J. received support for travel to meetings for the study or other purposes from GI dynamics. N.D.B. received an open research grant from GI dynamics. J.W.M.G. received consultancy fees an open research grant and support for travel to meetings for the study or other purposes from GI dynamics. All other authors have no conflicts of interest relevant to this work.
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de Jonge, C., Rensen, S.S., Verdam, F.J. et al. Impact of Duodenal-Jejunal Exclusion on Satiety Hormones. OBES SURG 26, 672–678 (2016). https://doi.org/10.1007/s11695-015-1889-y
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DOI: https://doi.org/10.1007/s11695-015-1889-y