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Clinical Study on Metabolic Surgery Compared to the Best Clinical Treatment in Patients With Type 2 Diabetes Mellitus (MOMS)

H

Hospital Alemão Oswaldo Cruz

Status

Completed

Conditions

Complications of Diabetes Mellitus

Treatments

Procedure: Roux-En-Y gastric bypass surgery
Other: Clinical Treatment

Study type

Interventional

Funder types

Other
Industry

Identifiers

Details and patient eligibility

About

This is a prospective, open, randomized study involving 100 patients with microvascular complications of type 2 diabetes mellitus and obesity, who will undergo gastric bypass (Roux-en-Y gastric bypass ARM A) or receive best medical treatment (ARM B, control arm).

The aim of this study is to evaluate the effects of Roux-en-Y gastric bypass in the control of diabetic nephropathy in diabetic patients with BMI between 30 and 35 kg/m2.

The medical community is confronted with many different studies using various methodologies to investigate the best pharmacological treatment for type 2 diabetes mellitus. The treatment algorithm offers several different options according to the stage of the disease (which is different in each study). In addition, new drugs are being developed over the years, but are not always a guarantee of effective type 2 diabetes mellitus control [MENDES, 2010]. Furthermore, these drugs do not prevent the development of this disease, consequently increasing the risks of microvascular and macrovascular complications.

Conversely, there is considerable evidence that surgery can be an adequate tool to promote type 2 diabetes mellitus remission in patients who are unresponsive to clinical treatment. Gastric bypass surgery is one of the most popular bariatric surgeries in the world, but its effects on microvascular and macrovascular complications of type 2 diabetes mellitus have not been established. Specialists suggest that the rapid and uncontrollable decrease in blood glucose adds to the concern that the surgery may paradoxically cause exacerbation of microvascular complications [LEOW, 2005], whereas gradual improvement in blood glucose before gastric bypass surgery may prevent this paradoxical worsening, leading to an interruption of this process, or even retinopathy, nephropathy, and neuropathy remission.

However, there are no studies comparing the results of these two types of treatment (clinical vs. surgical) in a similar population and assessing the development of microvascular complications of type 2 diabetes mellitus. Therefore, in order to clarify such doubts, it is necessary and extremely desirable to conduct a randomized controlled trial comparing gastric bypass with the best and most modern clinical treatment. Its findings could have a direct impact on hundreds of millions of diabetics by allowing the inclusion of surgical treatment as a safe and feasible therapeutic option for a significant portion of these patients.

Full description

Intervention of Roux-En-Y gastric bypass surgery versus best medical treatment in control or reduces microvascular complications such as retinopathy, microalbuminuria and neuropathic.

Enrollment

100 patients

Sex

All

Ages

18 to 65 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Male and female adult patients with microalbuminuria (more than 30 mg and less than 300 mg or more of urinary albumin per 24 hours), with or without other microvascular complications of type 2 diabetes mellitus, receiving pharmacological treatment for the disease, which may or may not include the use of insulin.
  • Age between 18-65 years
  • BMI between 30 and 35 Kg/m2
  • 15-year or less after type 2 diabetes mellitus diagnosis
  • Negative anti-glutamic acid decarboxylase
  • Fasting C-peptide higher than 1 ng/ml, increasing in the postprandial period (two hours after mixed meal, ENSURE plus approximately 500 Kcal)

Exclusion criteria

  • Patient's refusal to participate
  • Autoimmune diabetes mellitus
  • Previous abdominal surgeries that may make surgery more difficult, increasing the surgical risk
  • Previous malabsorptive and restrictive surgeries
  • Pregnant women and nursing mothers
  • Recent history of neoplasia (< 5 years), except for non-melanoma skin neoplasms
  • History of liver disease - liver cirrhosis -, active chronic hepatitis, active hepatitis B and hepatitis C
  • Malabsorptive syndromes and inflammatory bowel disease
  • Cardiovascular event (acute myocardial infarction, acute coronary syndrome, angioplasty, or bypass in the last 6 months)
  • Angina
  • Pulmonary embolism or severe thrombophlebitis in the last 2 years
  • Positive HIV serum testing
  • Psychiatric disorders, including dementia, active psychosis, severe depression, history of suicide attempts, use of illicit drugs, and excessive alcohol consumption in the last 12 months
  • Uncontrolled coagulopathy
  • Patients with severe retinopathy, nephropathy, and neuropathy (defined as high risk/advanced proliferative retinopathy or amaurosis; stage 5 of chronic kidney disease defined by glomerular filtration rate, patients who need dialysis or renal transplantation; stage 3 of peripheral neuropathy)
  • Patients who participated in other clinical trials in the past 30 days.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

100 participants in 2 patient groups

Clinical treatment
Active Comparator group
Description:
Best and most modern clinical treatment of type 2 diabetes mellitus.
Treatment:
Other: Clinical Treatment
Roux-En-Y gastric bypass surgery
Active Comparator group
Description:
A "metabolic" surgery consists of any surgical procedure in which there is any anatomical alteration in the gastrointestinal tract by means of a diversion of food passage, resulting in improved metabolic control in patients with type 2 diabetes mellitus \[SCHULMAN, 2009\].
Treatment:
Procedure: Roux-En-Y gastric bypass surgery

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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