- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02610530
Surgical Intervention for the Treatment of Diabetes in Overweight Non-responders-1 (SIT-DOWN-1)
July 29, 2016 updated by: Turkish Metabolic Surgery Foundation
Efficacy of Surgical Intervention for the Treatment of Diabetes Mellitus Type 2 in Overweight Non-responders in Comparison With Conventional Nonsurgical Medical Treatment
The SIT-DOWN study is a single centered retrospective study in which a total of 90 (ninety) participants who are overweight (BMI: 25-29.9
kg/m2) and have type 2 diabetes mellitus (T2DM) will be evaluated for the efficacy of surgical intervention in comparison with medical treatment.
Primary endpoint of the study will be the change in glycemic regulation by the end of 12 months.
Study Overview
Status
Unknown
Conditions
Detailed Description
Use of bariatric/metabolic surgery has conventionally been reserved for those whose body-mass index (BMI) is 35 kg/m2 or greater.
Trials in these morbidly obese patients confirmed the benefits in terms of weight loss and provide evidence that surgery can result in remission of diabetes, and as a result lead to improvement in cardiovascular risk factors.
Within the light of these data, there appear to be a shift towards lower BMI, with many advocating it as a reasonable option for diabetics with a lower BMI (<30) who have failed other attempts of medical treatment.
But this approach is limited because of lack of data on the effects of surgical outcomes in this group of patients which is the main rationale for this retrospective study.
Study Type
Observational
Enrollment (Anticipated)
90
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years to 65 years (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Sampling Method
Non-Probability Sample
Study Population
Overweight, type 2 diabetic: Type 2 diabetes diagnosis longer than 3 years; BMI= 25-29.9
kg/m2
Description
Inclusion Criteria:
- Overweight, type 2 diabetic: Type 2 diabetes diagnosis longer than 3 years; BMI= 25-29.9 kg/m2
- Participants with baseline HbA1c ≥ % 7.5, not achieved HbA1c < % 7.3 at 3 months on therapy
- Absence of co-morbidities (neuropathy, retinopathy, cardiovascular disease, stroke events or lower extremity amputation).
Exclusion Criteria:
- Liver cirrhosis, severe renal failure, collagen diseases, severe endocrinopathies, blindness.
- Heart failure, acute myocardial infarction, stroke or transient ischemic attack, unstable angina pectoris.
- History of malignancy or malignant neoplasm in place, severe inflammatory complications, neurological or cardiovascular in act.
- Pregnancy
- Any conditions that at the discretion of the head of the study can represent risk to the participant or could affect the protocol results.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Non-Surgery
Overweight diabetic, type 2 diabetes diagnosis longer than 3 years; BMI:25-29.9
kg/m2 who have been on medical treatment for glycemic control.
|
Conventional Non-Surgical Treatment for Glycemic Control group consisted of patients who did not undergo any kind of surgery, and are on medical treatment for type 2 diabetes.
Other Names:
|
Surgery-A
Overweight diabetic, type 2 diabetes diagnosis longer than 3 years; BMI:25-29.9
kg/m2.
who underwent sleeve gastrectomy with ileal transposition
|
Type 2 diabetic patients who underwent ileal transposition surgery within the last 2 years.
|
Surgery-B
Overweight diabetic, type 2 diabetes diagnosis longer than 3 years; BMI:25-29.9
kg/m2.
who underwent sleeve gastrectomy with transit bipartition
|
Type 2 diabetic patients who underwent transit bipartition surgery within the last 2 years.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Reduction in glycated hemoglobin (HbA1c)
Time Frame: 1 year
|
Complete diabetic remission (HbA1c < 6%) and partial diabetic remission (HbA1c= 6-6.5%) without medication.
|
1 year
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Hypertension Control
Time Frame: 1 year
|
Systolic blood pressure (BP) <130 mm Hg and diastolic BP <80 mm Hg, without medication.
|
1 year
|
Change in LDL (low-density lipoprotein) Cholesterol
Time Frame: 1 year
|
<100 mg/dL, without medication.
|
1 year
|
Change in HDL (high-density lipoprotein) Cholesterol
Time Frame: 1 year
|
>40 mg/dL, without medication.
|
1 year
|
Change in Triglycerides
Time Frame: 1 year
|
<150 mg/dL, without medication.
|
1 year
|
Weight Control
Time Frame: 1 year
|
Amount of weight loss in kilograms.
|
1 year
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Investigators
- Principal Investigator: Alper Celik, MD, Turkish Metabolic Surgery Foundation
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
General Publications
- Santoro S, Castro LC, Velhote MC, Malzoni CE, Klajner S, Castro LP, Lacombe A, Santo MA. Sleeve gastrectomy with transit bipartition: a potent intervention for metabolic syndrome and obesity. Ann Surg. 2012 Jul;256(1):104-10. doi: 10.1097/SLA.0b013e31825370c0.
- DePaula AL, Macedo AL, Schraibman V, Mota BR, Vencio S. Hormonal evaluation following laparoscopic treatment of type 2 diabetes mellitus patients with BMI 20-34. Surg Endosc. 2009 Aug;23(8):1724-32. doi: 10.1007/s00464-008-0168-6. Epub 2008 Oct 2.
- Kashyap SR, Daud S, Kelly KR, Gastaldelli A, Win H, Brethauer S, Kirwan JP, Schauer PR. Acute effects of gastric bypass versus gastric restrictive surgery on beta-cell function and insulinotropic hormones in severely obese patients with type 2 diabetes. Int J Obes (Lond). 2010 Mar;34(3):462-71. doi: 10.1038/ijo.2009.254. Epub 2009 Dec 22.
- Finelli C, Padula MC, Martelli G, Tarantino G. Could the improvement of obesity-related co-morbidities depend on modified gut hormones secretion? World J Gastroenterol. 2014 Nov 28;20(44):16649-64. doi: 10.3748/wjg.v20.i44.16649.
- Kashyap SR, Bhatt DL, Wolski K, Watanabe RM, Abdul-Ghani M, Abood B, Pothier CE, Brethauer S, Nissen S, Gupta M, Kirwan JP, Schauer PR. Metabolic effects of bariatric surgery in patients with moderate obesity and type 2 diabetes: analysis of a randomized control trial comparing surgery with intensive medical treatment. Diabetes Care. 2013 Aug;36(8):2175-82. doi: 10.2337/dc12-1596. Epub 2013 Feb 25.
- Santoro S. From Bariatric to Pure Metabolic Surgery: New Concepts on the Rise. Ann Surg. 2015 Aug;262(2):e79-80. doi: 10.1097/SLA.0000000000000590. No abstract available.
- Celik A, Ugale S. Functional restriction and a new balance between proximal and distal gut: the tools of the real metabolic surgery. Obes Surg. 2014 Oct;24(10):1742-3. doi: 10.1007/s11695-014-1368-x. No abstract available.
- De Paula AL, Stival AR, Halpern A, DePaula CC, Mari A, Muscelli E, Vencio S, Ferrannini E. Improvement in insulin sensitivity and beta-cell function following ileal interposition with sleeve gastrectomy in type 2 diabetic patients: potential mechanisms. J Gastrointest Surg. 2011 Aug;15(8):1344-53. doi: 10.1007/s11605-011-1550-6. Epub 2011 May 10.
- De Paula AL, Stival AR, Macedo A, Ribamar J, Mancini M, Halpern A, Vencio S. Prospective randomized controlled trial comparing 2 versions of laparoscopic ileal interposition associated with sleeve gastrectomy for patients with type 2 diabetes with BMI 21-34 kg/m(2). Surg Obes Relat Dis. 2010 May-Jun;6(3):296-304. doi: 10.1016/j.soard.2009.10.005. Epub 2009 Nov 10.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
December 1, 2015
Primary Completion (Actual)
July 1, 2016
Study Completion (Anticipated)
October 1, 2016
Study Registration Dates
First Submitted
November 17, 2015
First Submitted That Met QC Criteria
November 18, 2015
First Posted (Estimate)
November 20, 2015
Study Record Updates
Last Update Posted (Estimate)
August 1, 2016
Last Update Submitted That Met QC Criteria
July 29, 2016
Last Verified
July 1, 2016
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2015/S01
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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