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Bariatric surgery represents the best therapeutic option to induce sustainable weight loss and to solve serious comorbidities improving the life-expectancy and the quality of life. Actually the choice of the procedure is based on the surgeon's and patients preference . Mini gastric bypass(MGB) is an emerging procedure offering excellent results in terms of weight loss and comorbidities (mainly metabolic) control. On the other hand, recent data indicated that the gut microbiota may mediate some of the beneficial effects of bariatric surgery and changes in the composition and diversity of the gut microbiota have been observed after RY Gastric Bypass (RYGB) in humans as well as in mice. However, there are no prospective investigations on Gut Microbiota changes after MGB, despite the procedure is described as "malabsorptive" and there are no studies comparing gut microbiota shift and malabsorption entity in humans after RYGB vs MGB. Thereafter prospective data on the incidence of bile reflux esophageal lesions after MGB are lacking.
The aim of the present multicentric prospective comparative study is to evaluate malabsorption and gut microbiota shift after laparoscopic RYGB vs MGB at 1 year.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Mini Gastric Bypass | Active Comparator | Mini Gastric Bypass: The gastric pouch will be performed starting below the incisura angularis (transverse resection 4 cm) on the lesser curvature (18).Then the stomach will be transected against a 36 Fr bougie up to the gastro-esophageal junction Then 1/3 of the small bowel will be excluded (approximately 200cms) and 3.5-4 cm gastro-jejunostomy will be performed by linear stapler. |
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| Roux en Y Gastric Bypass | Active Comparator | Roux en Y Gastric Bypass: The steps of the standard double loop RYGB technique will be followed (17). The gastric pouch will be created 7 cm from the gastro-esophageal junction to obtain a volume of 30-40 ml, and the length of the alimentary limb will be 150 cm and 3.5-4 cm gastro-jejunostomy will be performed by linear stapler. The length of the biliopancreatic limb will be from 65 to 75 cm beyond the ligament of Treitz. The lengths of both limbs should carefully measured with a graduated instrument. The mesenteric defects will be closed. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Mini Gastric Bypass | Procedure | Standardization of the techniques will be guaranteed:
|
| Measure | Description | Time Frame |
|---|---|---|
| Gut Microbiota | To evaluate and compare Roux en Y Gastric Bypass vs Mini Gastric Bypass microbiota profile shift 1 year after surgery and its impact on metabolic and nutritional status after surgery. | 0-6-12 Months |
| Measure | Description | Time Frame |
|---|---|---|
| Glucagon - like peptide 1 (GLP-1) | To measure GLP-1 plasma level before and 12 months after surgery in MGB vs RYGB patients | 0-12 Months |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Gianfranco Silecchia, MD PhD | University of Roma La Sapienza | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| ICOT Hospital | Latina | 04100 | Italy |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 26661108 | Background | Milone M, De Placido G, Musella M, Sosa Fernandez LM, Sosa Fernandez LV, Campana G, Di Minno MN, Milone F. Incidence of Successful Pregnancy After Weight Loss Interventions in Infertile Women: a Systematic Review and Meta-Analysis of the Literature. Obes Surg. 2016 Feb;26(2):443-51. doi: 10.1007/s11695-015-1998-7. | |
| 26341086 | Background |
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| Type | Includes Protocol | Includes SAP | Includes ICF | Document Label | Document Date | Document Uploaded Date | Document File Name |
|---|---|---|---|---|---|---|---|
| Prot | Yes | No | No | Study Protocol | Jan 23, 2018 | Jan 25, 2018 | Prot_000.pdf |
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| ID | Term |
|---|---|
| D009765 | Obesity |
| D008286 | Malabsorption Syndromes |
| ID | Term |
|---|---|
| D050177 | Overweight |
| D044343 | Overnutrition |
| D009748 | Nutrition Disorders |
| D009750 | Nutritional and Metabolic Diseases |
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| ID | Term |
|---|---|
| D015390 | Gastric Bypass |
| ID | Term |
|---|---|
| D050110 | Bariatric Surgery |
| D049088 | Bariatrics |
| D000073319 | Obesity Management |
| D013812 | Therapeutics |
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|
| Roux en Y Gastric Bypass | Procedure | Standardization of the techniques will be guaranteed:
|
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| Musella M, Apers J, Rheinwalt K, Ribeiro R, Manno E, Greco F, Cierny M, Milone M, Di Stefano C, Guler S, Van Lessen IM, Guerra A, Maglio MN, Bonfanti R, Novotna R, Coretti G, Piazza L. Efficacy of Bariatric Surgery in Type 2 Diabetes Mellitus Remission: the Role of Mini Gastric Bypass/One Anastomosis Gastric Bypass and Sleeve Gastrectomy at 1 Year of Follow-up. A European survey. Obes Surg. 2016 May;26(5):933-40. doi: 10.1007/s11695-015-1865-6. |
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| 23011462 | Background | Lee WJ, Ser KH, Lee YC, Tsou JJ, Chen SC, Chen JC. Laparoscopic Roux-en-Y vs. mini-gastric bypass for the treatment of morbid obesity: a 10-year experience. Obes Surg. 2012 Dec;22(12):1827-34. doi: 10.1007/s11695-012-0726-9. |
| 25614356 | Background | Bruzzi M, Rau C, Voron T, Guenzi M, Berger A, Chevallier JM. Single anastomosis or mini-gastric bypass: long-term results and quality of life after a 5-year follow-up. Surg Obes Relat Dis. 2015 Mar-Apr;11(2):321-6. doi: 10.1016/j.soard.2014.09.004. Epub 2014 Sep 16. |
| 22411569 | Background | Noun R, Skaff J, Riachi E, Daher R, Antoun NA, Nasr M. One thousand consecutive mini-gastric bypass: short- and long-term outcome. Obes Surg. 2012 May;22(5):697-703. doi: 10.1007/s11695-012-0618-z. |
| 21159561 | Background | Lee WJ, Lee YC, Ser KH, Chen SC, Chen JC, Su YH. Revisional surgery for laparoscopic minigastric bypass. Surg Obes Relat Dis. 2011 Jul-Aug;7(4):486-91. doi: 10.1016/j.soard.2010.10.012. Epub 2010 Oct 30. |
| 15946455 | Background | Wang W, Wei PL, Lee YC, Huang MT, Chiu CC, Lee WJ. Short-term results of laparoscopic mini-gastric bypass. Obes Surg. 2005 May;15(5):648-54. doi: 10.1381/0960892053923752. |
| 27418681 | Background | Cavin JB, Voitellier E, Cluzeaud F, Kapel N, Marmuse JP, Chevallier JM, Msika S, Bado A, Le Gall M. Malabsorption and intestinal adaptation after one anastomosis gastric bypass compared with Roux-en-Y gastric bypass in rats. Am J Physiol Gastrointest Liver Physiol. 2016 Sep 1;311(3):G492-500. doi: 10.1152/ajpgi.00197.2016. Epub 2016 Jul 14. |
| 23032991 | Background | Graessler J, Qin Y, Zhong H, Zhang J, Licinio J, Wong ML, Xu A, Chavakis T, Bornstein AB, Ehrhart-Bornstein M, Lamounier-Zepter V, Lohmann T, Wolf T, Bornstein SR. Metagenomic sequencing of the human gut microbiome before and after bariatric surgery in obese patients with type 2 diabetes: correlation with inflammatory and metabolic parameters. Pharmacogenomics J. 2013 Dec;13(6):514-22. doi: 10.1038/tpj.2012.43. Epub 2012 Oct 2. |
| 26244932 | Background | Tremaroli V, Karlsson F, Werling M, Stahlman M, Kovatcheva-Datchary P, Olbers T, Fandriks L, le Roux CW, Nielsen J, Backhed F. Roux-en-Y Gastric Bypass and Vertical Banded Gastroplasty Induce Long-Term Changes on the Human Gut Microbiome Contributing to Fat Mass Regulation. Cell Metab. 2015 Aug 4;22(2):228-38. doi: 10.1016/j.cmet.2015.07.009. |
| 23536013 | Background | Liou AP, Paziuk M, Luevano JM Jr, Machineni S, Turnbaugh PJ, Kaplan LM. Conserved shifts in the gut microbiota due to gastric bypass reduce host weight and adiposity. Sci Transl Med. 2013 Mar 27;5(178):178ra41. doi: 10.1126/scitranslmed.3005687. |
| 27036669 | Background | Peterson LA, Zeng X, Caufield-Noll CP, Schweitzer MA, Magnuson TH, Steele KE. Vitamin D status and supplementation before and after bariatric surgery: a comprehensive literature review. Surg Obes Relat Dis. 2016 Mar-Apr;12(3):693-702. doi: 10.1016/j.soard.2016.01.001. Epub 2016 Jan 6. |
| 18069071 | Background | Madan AK, Harper JL, Tichansky DS. Techniques of laparoscopic gastric bypass: on-line survey of American Society for Bariatric Surgery practicing surgeons. Surg Obes Relat Dis. 2008 Mar-Apr;4(2):166-72; discussion 172-3. doi: 10.1016/j.soard.2007.08.006. Epub 2007 Dec 19. |
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| 21542694 | Background | Donini LM, Brunani A, Sirtori A, Savina C, Tempera S, Cuzzolaro M, Spera G, Cimolin V, Precilios H, Raggi A, Capodaglio P; SIO-ISDCA Task Force. Assessing disability in morbidly obese individuals: the Italian Society of Obesity test for obesity-related disabilities. Disabil Rehabil. 2011;33(25-26):2509-18. doi: 10.3109/09638288.2011.575529. Epub 2011 May 4. |
| D001835 |
| Body Weight |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D007410 | Intestinal Diseases |
| D005767 | Gastrointestinal Diseases |
| D004066 | Digestive System Diseases |
| D008659 | Metabolic Diseases |
| D005763 |
| Gastroenterostomy |
| D000714 | Anastomosis, Surgical |
| D013514 | Surgical Procedures, Operative |
| D013505 | Digestive System Surgical Procedures |