Abstract
Background
Bariatric procedures excluding the proximal small intestine improve glycemic control in type 2 diabetes within days. To gain insight into the mediators involved, we investigated factors regulating glucose homeostasis in patients with type 2 diabetes treated with the novel endoscopic duodenal–jejunal bypass liner (DJBL).
Methods
Seventeen obese patients (BMI 30–50 kg/m2) with type 2 diabetes received the DJBL for 24 weeks. Body weight and type 2 diabetes parameters, including HbA1c and plasma levels of glucose, insulin, glucagon-like peptide-1 (GLP-1), glucose-dependent insulinotropic polypeptide (GIP), and glucagon, were analyzed after a standard meal before, during, and 1 week after DJBL treatment.
Results
At 24 weeks after implantation, patients had lost 12.7 ± 1.3 kg (p < 0.01), while HbA1c had improved from 8.4 ± 0.2 to 7.0 ± 0.2 % (p < 0.01). Both fasting glucose levels and the postprandial glucose response were decreased at 1 week after implantation and remained decreased at 24 weeks (baseline vs. week 1 vs. week 24: 11.6 ± 0.5 vs. 9.0 ± 0.5 vs. 8.6 ± 0.5 mmol/L and 1,999 ± 85 vs. 1,536 ± 51 vs. 1,538 ± 72 mmol/L/min, both p < 0.01). In parallel, the glucagon response decreased (23,762 ± 4,732 vs. 15,989 ± 3,193 vs. 13,1207 ± 1,946 pg/mL/min, p < 0.05) and the GLP-1 response increased (4,440 ± 249 vs. 6,407 ± 480 vs. 6,008 ± 429 pmol/L/min, p < 0.01). The GIP response was decreased at week 24 (baseline—115,272 ± 10,971 vs. week 24—88,499 ± 10,971 pg/mL/min, p < 0.05). Insulin levels did not change significantly. Glycemic control was still improved 1 week after explantation.
Conclusions
The data indicate DJBL to be a promising treatment for obesity and type 2 diabetes, causing rapid improvement of glycemic control paralleled by changes in gut hormones.
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Acknowledgments
The authors would like to thank the patients contributing to this trial; the trial nurses, Y. Wils and R. Nelissen; the students who helped in 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 I.C. Arts and E. Theunisz for the Luminex analyses.
Conflict of Interest
N.D.B. received an open research grant from GI Dynamics. J.W.M.G. received 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.
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de Jonge, C., Rensen, S.S., Verdam, F.J. et al. Endoscopic Duodenal–Jejunal Bypass Liner Rapidly Improves Type 2 Diabetes. OBES SURG 23, 1354–1360 (2013). https://doi.org/10.1007/s11695-013-0921-3
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DOI: https://doi.org/10.1007/s11695-013-0921-3