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Clinical Trial Details — Status: Enrolling by invitation

Administrative data

NCT number NCT02328599
Other study ID # COV EES-14606
Secondary ID U01DK114156
Status Enrolling by invitation
Phase
First received
Last updated
Start date April 10, 2018
Est. completion date June 2031

Study information

Verified date September 2023
Source The Cleveland Clinic
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Initially, 4 teams of investigators conducted randomized controlled trials (RCT) at their own site to evaluate the effectiveness of bariatric surgery compared to medical/lifestyle management of type 2 diabetes. Each study followed subjects for a duration of about 1 - 3 years. Following this, a consortium was created to pool data and continue to follow study participants. This early collaboration of the 4 groups of investigators was supported by Industry sponsors (Ethicon, Inc and Medtronic-MITG). Now, the investigators have successfully received a grant from the NIH, as the sole supporter of continued observational follow-up of study participants. The continuing aim of this study is to combine data from the 4 studies and follow the original randomized subjects for an additional 5 years of follow-up. The purpose of the study is to determine the longer term durability and effectiveness of bariatric surgery compared to medical/lifestyle intervention on the treatment of type 2 diabetes.


Description:

The four investigative groups initiated their individual RCT's at their respective sites to evaluate the effectiveness of bariatric surgery compared to multidisciplinary medical and lifestyle management of diabetes and body weight. The original trials were each designed to assess feasibility over a relatively short duration of follow-up (1-3 years). Individually, each trial lacked the sample size and duration of follow-up to meaningfully inform clinical decision making. Together, with the funding provided by the NIH for longer follow-up, the Consortium trial can provide a unique national resource to address timely and unanswered clinical questions related to the durability of these alternative management approaches in patients with T2D and obesity. Together, participants from these studies represent the largest cohort with diabetes (one third having a BMI <35 kg/m2) ever to undergo randomized assignment to bariatric surgical procedure vs. medical/lifestyle intervention.


Recruitment information / eligibility

Status Enrolling by invitation
Enrollment 302
Est. completion date June 2031
Est. primary completion date June 2031
Accepts healthy volunteers No
Gender All
Age group 20 Years to 65 Years
Eligibility Inclusion Criteria: - Original inclusion criteria for participation in the RCTs at all sites included: - Candidate for general anesthesia or unsupervised exercise. - Age =20 and =65 years. - Body mass index >27 and =45 kg/m2. - Diagnosis of type 2 diabetes confirmed by either requiring diabetes medication and/or having elevated glycemia based on HbA1c, fasting plasma glucose, and/or oral glucose tolerance test (OGTT) results, according to American Diabetes Association criteria. - Ability and willingness to participate in the study and agree to any of the research arms. - Able to understand the options and to comply with the requirements of each program. - Negative urine pregnancy test at screening and baseline visits (prior to surgery) for women of childbearing potential (i.e., biologically capable of becoming pregnant). Exclusion Criteria: - Subjects who were randomized in one of the four RCTs but never initiated intervention / did not receive randomized treatment - Refusal to sign informed consent

Study Design


Intervention

Procedure:
Bariatric surgery involving Roux-en-Y gastric bypass
Subjects previously underwent Bariatric surgery involving Roux-en-Y gastric bypass (RYGB) surgery at one of the 4 participating sites and will be followed prospectively.
Bariatric surgery involving Laparoscopic adjustable gastric banding
Subjects previously underwent Bariatric surgery involving laparoscopic adjustable gastric banding (LAGB) surgery at one of the 4 participating sites and will be followed prospectively.
Bariatric surgery involving Laparoscopic sleeve gastrectomy
Subjects previously underwent Bariatric surgery involving laparoscopic sleeve gastrectomy (LSG) surgery at one of the 4 participating sites and will be followed prospectively.

Locations

Country Name City State
United States Joslin Diabetes Center Boston Massachusetts
United States Cleveland Clinic Digestive Disease Institute Cleveland Ohio
United States University of Pittsburg Medical Center Pittsburgh Pennsylvania
United States University of Washington Seattle Washington

Sponsors (2)

Lead Sponsor Collaborator
The Cleveland Clinic National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

Country where clinical trial is conducted

United States, 

References & Publications (31)

Adams TD, Davidson LE, Litwin SE, Kolotkin RL, LaMonte MJ, Pendleton RC, Strong MB, Vinik R, Wanner NA, Hopkins PN, Gress RE, Walker JM, Cloward TV, Nuttall RT, Hammoud A, Greenwood JL, Crosby RD, McKinlay R, Simper SC, Smith SC, Hunt SC. Health benefits of gastric bypass surgery after 6 years. JAMA. 2012 Sep 19;308(11):1122-31. doi: 10.1001/2012.jama.11164. — View Citation

Adams TD, Gress RE, Smith SC, Halverson RC, Simper SC, Rosamond WD, Lamonte MJ, Stroup AM, Hunt SC. Long-term mortality after gastric bypass surgery. N Engl J Med. 2007 Aug 23;357(8):753-61. doi: 10.1056/NEJMoa066603. — View Citation

American Diabetes Association. Standards of medical care in diabetes--2014. Diabetes Care. 2014 Jan;37 Suppl 1:S14-80. doi: 10.2337/dc14-S014. No abstract available. — View Citation

Arterburn DE, Bogart A, Sherwood NE, Sidney S, Coleman KJ, Haneuse S, O'Connor PJ, Theis MK, Campos GM, McCulloch D, Selby J. A multisite study of long-term remission and relapse of type 2 diabetes mellitus following gastric bypass. Obes Surg. 2013 Jan;23(1):93-102. doi: 10.1007/s11695-012-0802-1. — View Citation

Brethauer SA, Aminian A, Romero-Talamas H, Batayyah E, Mackey J, Kennedy L, Kashyap SR, Kirwan JP, Rogula T, Kroh M, Chand B, Schauer PR. Can diabetes be surgically cured? Long-term metabolic effects of bariatric surgery in obese patients with type 2 diabetes mellitus. Ann Surg. 2013 Oct;258(4):628-36; discussion 636-7. doi: 10.1097/SLA.0b013e3182a5034b. — View Citation

Buchwald H, Avidor Y, Braunwald E, Jensen MD, Pories W, Fahrbach K, Schoelles K. Bariatric surgery: a systematic review and meta-analysis. JAMA. 2004 Oct 13;292(14):1724-37. doi: 10.1001/jama.292.14.1724. Erratum In: JAMA. 2005 Apr 13;293(14):1728. — View Citation

Buchwald H, Estok R, Fahrbach K, Banel D, Jensen MD, Pories WJ, Bantle JP, Sledge I. Weight and type 2 diabetes after bariatric surgery: systematic review and meta-analysis. Am J Med. 2009 Mar;122(3):248-256.e5. doi: 10.1016/j.amjmed.2008.09.041. — View Citation

Carlsson LM, Peltonen M, Ahlin S, Anveden A, Bouchard C, Carlsson B, Jacobson P, Lonroth H, Maglio C, Naslund I, Pirazzi C, Romeo S, Sjoholm K, Sjostrom E, Wedel H, Svensson PA, Sjostrom L. Bariatric surgery and prevention of type 2 diabetes in Swedish obese subjects. N Engl J Med. 2012 Aug 23;367(8):695-704. doi: 10.1056/NEJMoa1112082. — View Citation

CDC. National Diabetes Statistics Report: Estimates of Diabetes and Its Burden in the United States, 2014. US Department of Health and Human Services.

Courcoulas AP, Goodpaster BH, Eagleton JK, Belle SH, Kalarchian MA, Lang W, Toledo FG, Jakicic JM. Surgical vs medical treatments for type 2 diabetes mellitus: a randomized clinical trial. JAMA Surg. 2014 Jul;149(7):707-15. doi: 10.1001/jamasurg.2014.467. — View Citation

Cummings DE, Flum DR. Gastrointestinal surgery as a treatment for diabetes. JAMA. 2008 Jan 23;299(3):341-3. doi: 10.1001/jama.299.3.341. No abstract available. — View Citation

Dixon JB, O'Brien PE, Playfair J, Chapman L, Schachter LM, Skinner S, Proietto J, Bailey M, Anderson M. Adjustable gastric banding and conventional therapy for type 2 diabetes: a randomized controlled trial. JAMA. 2008 Jan 23;299(3):316-23. doi: 10.1001/jama.299.3.316. — View Citation

Halperin F, Ding SA, Simonson DC, Panosian J, Goebel-Fabbri A, Wewalka M, Hamdy O, Abrahamson M, Clancy K, Foster K, Lautz D, Vernon A, Goldfine AB. Roux-en-Y gastric bypass surgery or lifestyle with intensive medical management in patients with type 2 diabetes: feasibility and 1-year results of a randomized clinical trial. JAMA Surg. 2014 Jul;149(7):716-26. doi: 10.1001/jamasurg.2014.514. — View Citation

Ikramuddin S, Korner J, Lee WJ, Connett JE, Inabnet WB, Billington CJ, Thomas AJ, Leslie DB, Chong K, Jeffery RW, Ahmed L, Vella A, Chuang LM, Bessler M, Sarr MG, Swain JM, Laqua P, Jensen MD, Bantle JP. Roux-en-Y gastric bypass vs intensive medical management for the control of type 2 diabetes, hypertension, and hyperlipidemia: the Diabetes Surgery Study randomized clinical trial. JAMA. 2013 Jun 5;309(21):2240-9. doi: 10.1001/jama.2013.5835. — View Citation

Intensive blood-glucose control with sulphonylureas or insulin compared with conventional treatment and risk of complications in patients with type 2 diabetes (UKPDS 33). UK Prospective Diabetes Study (UKPDS) Group. Lancet. 1998 Sep 12;352(9131):837-53. Erratum In: Lancet 1999 Aug 14;354(9178):602. — View Citation

Knowler WC, Barrett-Connor E, Fowler SE, Hamman RF, Lachin JM, Walker EA, Nathan DM; Diabetes Prevention Program Research Group. Reduction in the incidence of type 2 diabetes with lifestyle intervention or metformin. N Engl J Med. 2002 Feb 7;346(6):393-403. doi: 10.1056/NEJMoa012512. — View Citation

Longitudinal Assessment of Bariatric Surgery (LABS) Consortium; Flum DR, Belle SH, King WC, Wahed AS, Berk P, Chapman W, Pories W, Courcoulas A, McCloskey C, Mitchell J, Patterson E, Pomp A, Staten MA, Yanovski SZ, Thirlby R, Wolfe B. Perioperative safety in the longitudinal assessment of bariatric surgery. N Engl J Med. 2009 Jul 30;361(5):445-54. doi: 10.1056/NEJMoa0901836. — View Citation

Look AHEAD Research Group; Wing RR, Bolin P, Brancati FL, Bray GA, Clark JM, Coday M, Crow RS, Curtis JM, Egan CM, Espeland MA, Evans M, Foreyt JP, Ghazarian S, Gregg EW, Harrison B, Hazuda HP, Hill JO, Horton ES, Hubbard VS, Jakicic JM, Jeffery RW, Johnson KC, Kahn SE, Kitabchi AE, Knowler WC, Lewis CE, Maschak-Carey BJ, Montez MG, Murillo A, Nathan DM, Patricio J, Peters A, Pi-Sunyer X, Pownall H, Reboussin D, Regensteiner JG, Rickman AD, Ryan DH, Safford M, Wadden TA, Wagenknecht LE, West DS, Williamson DF, Yanovski SZ. Cardiovascular effects of intensive lifestyle intervention in type 2 diabetes. N Engl J Med. 2013 Jul 11;369(2):145-54. doi: 10.1056/NEJMoa1212914. Epub 2013 Jun 24. Erratum In: N Engl J Med. 2014 May 8;370(19):1866. — View Citation

Maggard-Gibbons M, Maglione M, Livhits M, Ewing B, Maher AR, Hu J, Li Z, Shekelle PG. Bariatric surgery for weight loss and glycemic control in nonmorbidly obese adults with diabetes: a systematic review. JAMA. 2013 Jun 5;309(21):2250-61. doi: 10.1001/jama.2013.4851. — View Citation

Mingrone G, Panunzi S, De Gaetano A, Guidone C, Iaconelli A, Leccesi L, Nanni G, Pomp A, Castagneto M, Ghirlanda G, Rubino F. Bariatric surgery versus conventional medical therapy for type 2 diabetes. N Engl J Med. 2012 Apr 26;366(17):1577-85. doi: 10.1056/NEJMoa1200111. Epub 2012 Mar 26. — View Citation

O'Brien PE, Dixon JB, Laurie C, Skinner S, Proietto J, McNeil J, Strauss B, Marks S, Schachter L, Chapman L, Anderson M. Treatment of mild to moderate obesity with laparoscopic adjustable gastric banding or an intensive medical program: a randomized trial. Ann Intern Med. 2006 May 2;144(9):625-33. doi: 10.7326/0003-4819-144-9-200605020-00005. — View Citation

Pories WJ, Swanson MS, MacDonald KG, Long SB, Morris PG, Brown BM, Barakat HA, deRamon RA, Israel G, Dolezal JM, et al. Who would have thought it? An operation proves to be the most effective therapy for adult-onset diabetes mellitus. Ann Surg. 1995 Sep;222(3):339-50; discussion 350-2. doi: 10.1097/00000658-199509000-00011. — View Citation

Rubino F, Forgione A, Cummings DE, Vix M, Gnuli D, Mingrone G, Castagneto M, Marescaux J. The mechanism of diabetes control after gastrointestinal bypass surgery reveals a role of the proximal small intestine in the pathophysiology of type 2 diabetes. Ann Surg. 2006 Nov;244(5):741-9. doi: 10.1097/01.sla.0000224726.61448.1b. — View Citation

Rubino F, Kaplan LM, Schauer PR, Cummings DE; Diabetes Surgery Summit Delegates. The Diabetes Surgery Summit consensus conference: recommendations for the evaluation and use of gastrointestinal surgery to treat type 2 diabetes mellitus. Ann Surg. 2010 Mar;251(3):399-405. doi: 10.1097/SLA.0b013e3181be34e7. — View Citation

Rubino F, Schauer PR, Kaplan LM, Cummings DE. Metabolic surgery to treat type 2 diabetes: clinical outcomes and mechanisms of action. Annu Rev Med. 2010;61:393-411. doi: 10.1146/annurev.med.051308.105148. — View Citation

Schauer PR, Bhatt DL, Kirwan JP, Wolski K, Brethauer SA, Navaneethan SD, Aminian A, Pothier CE, Kim ES, Nissen SE, Kashyap SR; STAMPEDE Investigators. Bariatric surgery versus intensive medical therapy for diabetes--3-year outcomes. N Engl J Med. 2014 May 22;370(21):2002-13. doi: 10.1056/NEJMoa1401329. Epub 2014 Mar 31. — View Citation

Schauer PR, Burguera B, Ikramuddin S, Cottam D, Gourash W, Hamad G, Eid GM, Mattar S, Ramanathan R, Barinas-Mitchel E, Rao RH, Kuller L, Kelley D. Effect of laparoscopic Roux-en Y gastric bypass on type 2 diabetes mellitus. Ann Surg. 2003 Oct;238(4):467-84; discussion 84-5. doi: 10.1097/01.sla.0000089851.41115.1b. — View Citation

Schauer PR, Kashyap SR, Wolski K, Brethauer SA, Kirwan JP, Pothier CE, Thomas S, Abood B, Nissen SE, Bhatt DL. Bariatric surgery versus intensive medical therapy in obese patients with diabetes. N Engl J Med. 2012 Apr 26;366(17):1567-76. doi: 10.1056/NEJMoa1200225. Epub 2012 Mar 26. — View Citation

Sjostrom L, Lindroos AK, Peltonen M, Torgerson J, Bouchard C, Carlsson B, Dahlgren S, Larsson B, Narbro K, Sjostrom CD, Sullivan M, Wedel H; Swedish Obese Subjects Study Scientific Group. Lifestyle, diabetes, and cardiovascular risk factors 10 years after bariatric surgery. N Engl J Med. 2004 Dec 23;351(26):2683-93. doi: 10.1056/NEJMoa035622. — View Citation

Sjostrom L, Peltonen M, Jacobson P, Sjostrom CD, Karason K, Wedel H, Ahlin S, Anveden A, Bengtsson C, Bergmark G, Bouchard C, Carlsson B, Dahlgren S, Karlsson J, Lindroos AK, Lonroth H, Narbro K, Naslund I, Olbers T, Svensson PA, Carlsson LM. Bariatric surgery and long-term cardiovascular events. JAMA. 2012 Jan 4;307(1):56-65. doi: 10.1001/jama.2011.1914. — View Citation

Zimmet P, Alberti KG, Rubino F, Dixon JB. IDF's view of bariatric surgery in type 2 diabetes. Lancet. 2011 Jul 9;378(9786):108-10. doi: 10.1016/S0140-6736(11)61027-1. No abstract available. — View Citation

* Note: There are 31 references in allClick here to view all references

Outcome

Type Measure Description Time frame Safety issue
Other HbA1c >6.5% relapse in diabetes control requiring the addition of anti-diabetic medications 7-13 years
Other change in body weight measured in BMI Change in body weight status from baseline 7 years and up to 13 years for earliest enrollees
Other change in fasting glucose Change in diabetes related outcomes including cardiovascular risk factors 7 years and up to 13 years for earliest enrollees
Other change in cholesterol levels Change in diabetes related outcomes including cardiovascular risk factors 7 years and up to 13 years for earliest enrollees
Other change in blood pressure Change in diabetes related outcomes including cardiovascular risk factors 7 years and up to 13 years for earliest enrollees
Other change in albuminuria Change in diabetes related outcomes including cardiovascular risk factors 7 years and up to 13 years for earliest enrollees
Primary Change in HbA1c Between group (medical vs. surgical) in HbA1c from baseline to 7 year for all participants and up to 13 years for the earliest enrollees 7 years and up to 13 years for earliest enrollees
Secondary HbA1c < 6.5% percent of those achieving diabetes remission without the need for anti-diabetic medications 7 years and each annual visit through the last known follow-up for all patients up to 13 years
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