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Metabolic SyndromeNCT00923260

Omentectomy and Metabolic Syndrome

A study testing Laparoscopic Roux-en-Y Gastric Bypass and Omentectomy in people with Metabolic Syndrome and Morbid Obesity, run by Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
Search all trials

Trial summary

The aim of the present study was to evaluate the additional effect of sudden visceral fat reduction by omentectomy on Metabolic Syndrome, acute phase reactants and inflammatory mediators in patients with morbid obesity undergoing Laparoscopic Roux-en-Y Gastric Bypass. Read more about this study

Who is it for?
Ages 20 to 65 years
Conditions the study is for
Metabolic Syndrome, Morbid Obesity
What is being tested?
Laparoscopic Roux-en-Y Gastric Bypass and Omentectomy
Type of treatment
Surgery or procedure
Could I receive a placebo?
No, everyone receives an active treatment
How many people
24 participants
Where
No sites listed yet
Study dates
Dec 2005to Jul 2008
Phase
Interventional
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 20 to 65 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • BMI > 35 Kg/m2
  • Metabolic syndrome diagnosed

Who cannot join

  • Type 1 diabetes
  • Uncontrolled type 2 diabetes
  • Cirrhosis or active hepatitis
  • Pregnancy
  • Recent MI or stroke

About this study

Official title: Effect of Omentectomy on Metabolic Syndrome, Acute Phase Reactants & Inflammatory Mediators in Patients Undergoing LRYGBP: A Randomized Trial

The aim of the present study was to evaluate the additional effect of sudden visceral fat reduction by omentectomy on Metabolic Syndrome, acute phase reactants and inflammatory mediators in patients with morbid obesity undergoing Laparoscopic Roux-en-Y Gastric Bypass.

Read the detailed description

Although weight loss controls Metabolic Syndrome and reduces the level of inflammatory markers in patients with Morbid Obesity, patients may enjoy the benefit achieving metabolic control before significant weight loss occurs.

Being tested
Laparoscopic Roux-en-Y Gastric Bypass, Omentectomy
Keywords
Omentectomy, metabolic syndrome, acute phase reactants
Medical subject headings
Metabolic Syndrome, Obesity, Morbid

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Laparoscopic Roux-en-Y Gastric BypassProcedure or surgery

    Laparoscopic Roux-en-Y Gastric Bypass was performed according to the following standards: Gastric pouch was constructed using the lesser curvature of the stomach. A 45mm stapler was initially fired horizontally 2 to 3 cm below the gastroesophageal junction and then 2 o 3 additional fires towards the angle of His and against a 32 French intragastric tube completed the vertical transection. Lengths of the biliopancreatic and alimentary limbs were approximately 50, and 150 cm respectively. An antecolic and antegastric gastrojejunostomy, 1.0 to 1.5 cm in size was hand sewn and the jejuno-jejunostomy was completed in a latero-lateral fashion using one fire of 45 mm lineal stapler with hand sewn closure of the common enterotomy.

  • OmentectomyProcedure or surgery

    After laparoscopic gastric bypass, the greater omentum was divided in the middle from the free edge to the colonic margin using ultrasonic energy. Attachments between the omentum and the transverse colon were dissected. The omentum was detached from the stomach transecting the vessels between the right gastroepiploic vessels and the greater curvature of the stomach. Once the omentum was freed from the stomach, the duodenum and the lower pole of the spleen, it was extracted from the abdominal cavity in a sterile plastic bag.

Study groups in NCT00923260
Study groupRoleWhat they receive
Roux-en-Y Gastric Bypass/OmentectomyExperimentalLaparoscopic Roux-en-Y Gastric Bypass with omentectomy
Receives: Procedure: Laparoscopic Roux-en-Y Gastric Bypass; Procedure: Omentectomy
Roux-en-Y Gastric Bypass aloneActive comparatorNot described
Receives: Procedure: Laparoscopic Roux-en-Y Gastric Bypass

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Components of Metabolic Syndrome (Body Mass Index)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: Basal

  2. Components of Metabolic Syndrome (Body Mass Index)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 1 month

  3. Components of Metabolic Syndrome (Body Mass Index)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 3 months

  4. Components of Metabolic Syndrome (Body Mass Index)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 6 months

  5. Components of Metabolic Syndrome (Body Mass Index)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 1 year

  6. Components of Metabolic Syndrome (Systolic Blood Pressure)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: Basal

  7. Components of Metabolic Syndrome (Systolic Blood Pressure)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 1 month

  8. Components of Metabolic Syndrome (Systolic Blood Pressure)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 3 months

  9. Components of Metabolic Syndrome (Systolic Blood Pressure)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 6 months

  10. Components of Metabolic Syndrome (Systolic Blood Pressure)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 1 year

  11. Components of Metabolic Syndrome (Diastolic Blood Pressure)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: Basal

  12. Components of Metabolic Syndrome (Diastolic Blood Pressure)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 1 month

  13. Components of Metabolic Syndrome (Diastolic Blood Pressure)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 3 months

  14. Components of Metabolic Syndrome (Diastolic Blood Pressure)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 6 months

  15. Components of Metabolic Syndrome (Diastolic Blood Pressure)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 1 year

  16. Components of Metabolic Syndrome (Glucose)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: Basal

  17. Components of Metabolic Syndrome (Glucose)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 1 month

  18. Components of Metabolic Syndrome (Glucose)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 3 months

  19. Components of Metabolic Syndrome (Glucose)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 6 months

  20. Components of Metabolic Syndrome (Glucose)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 1 year

  21. Components of Metabolic Syndrome (Insulin)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: Basal

  22. Components of Metabolic Syndrome (Insulin)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 3 months

  23. Components of Metabolic Syndrome (Insulin)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 6 months

  24. Components of Metabolic Syndrome (Insulin)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 1 year

  25. Components of Metabolic Syndrome (Total Cholesterol)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: Basal

  26. Components of Metabolic Syndrome (Total Cholesterol)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 1 month

  27. Components of Metabolic Syndrome (Total Cholesterol)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 3 months

  28. Components of Metabolic Syndrome (Total Cholesterol)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 6 months

  29. Components of Metabolic Syndrome (Total Cholesterol)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 1 year

  30. Components of Metabolic Syndrome (Triglycerides)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: Basal

  31. Components of Metabolic Syndrome (Triglycerides)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 1 month

  32. Components of Metabolic Syndrome (Triglycerides)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 3 months

  33. Components of Metabolic Syndrome (Triglycerides)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 6 months

  34. Components of Metabolic Syndrome (Triglycerides)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 1 year

  35. Components of Metabolic Syndrome (Low-Density Lipoproteins)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: Basal

  36. Components of Metabolic Syndrome (Low-Density Lipoproteins)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 1 month

  37. Components of Metabolic Syndrome (Low-Density Lipoproteins)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 3 months

  38. Components of Metabolic Syndrome (Low-Density Lipoproteins)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 6 months

  39. Components of Metabolic Syndrome (Low-Density Lipoproteins)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 1 year

  40. Components of Metabolic Syndrome (High-Density Lipoproteins)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: Basal

  41. Components of Metabolic Syndrome (High-Density Lipoproteins)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 1 month

  42. Components of Metabolic Syndrome (High-Density Lipoproteins)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 3 months

  43. Components of Metabolic Syndrome (High-Density Lipoproteins)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 6 months

  44. Components of Metabolic Syndrome (High-Density Lipoproteins)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 1 year

Secondary outcomes (20)
  1. Acute Phase Reactants and Inflammatory Mediators (Interleukine-6)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement

    Measured: Basal

  2. Acute Phase Reactants and Inflammatory Mediators (Interleukine-6)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 3 months

  3. Acute Phase Reactants and Inflammatory Mediators (Interleukine-6)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 6 months

  4. Acute Phase Reactants and Inflammatory Mediators (Interleukine-6)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 1 year

  5. Acute Phase Reactants and Inflammatory Mediators (C-reactive Protein)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement

    Measured: Basal

  6. Acute Phase Reactants and Inflammatory Mediators (C-reactive Protein)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 3 months

  7. Acute Phase Reactants and Inflammatory Mediators (C-reactive Protein)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 6 months

  8. Acute Phase Reactants and Inflammatory Mediators (C-reactive Protein)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement

    Measured: 1 year

  9. Acute Phase Reactants and Inflammatory Mediators (Tumor Necrosis Factor-alpha)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: Basal

  10. Acute Phase Reactants and Inflammatory Mediators (Tumor Necrosis Factor-alpha)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 3 months

  11. Acute Phase Reactants and Inflammatory Mediators (Tumor Necrosis Factor-alpha)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement

    Measured: 6 months

  12. Acute Phase Reactants and Inflammatory Mediators (Tumor Necrosis Factor-alpha)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 1 year

  13. Acute Phase Reactants and Inflammatory Mediators (Leptin)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: Basal

  14. Acute Phase Reactants and Inflammatory Mediators (Leptin)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 3 months

  15. Acute Phase Reactants and Inflammatory Mediators (Leptin)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 6 months

  16. Acute Phase Reactants and Inflammatory Mediators (Leptin)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 1 year

  17. Acute Phase Reactants and Inflammatory Mediators (Adiponectin)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: Basal

  18. Acute Phase Reactants and Inflammatory Mediators (Adiponectin)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 3 months

  19. Acute Phase Reactants and Inflammatory Mediators (Adiponectin)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 6 months

  20. Acute Phase Reactants and Inflammatory Mediators (Adiponectin)

    Absolute values are presented, a basal value is provided in a previous outcome measure to determine the improvement.

    Measured: 1 year

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted18 Jun 2009 (estimated)
  2. Study startDec 2005
  3. Primary completionOct 2007
  4. Study completionJul 2008

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
24 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00923260
Sponsor's protocol ID
INCMNSZ-1486
Status last verified
Nov 2009
First submitted
28 Jan 2009
Last updated
7 Dec 2009
Data monitoring committee
No

Publications

  • Herrera MF, Pantoja JP, Velazquez-Fernandez D, Cabiedes J, Aguilar-Salinas C, Garcia-Garcia E, Rivas A, Villeda C, Hernandez-Ramirez DF, Davila A, Zarain A. Potential additional effect of omentectomy on metabolic syndrome, acute-phase reactants, and inflammatory mediators in grade III obese patients undergoing laparoscopic Roux-en-Y gastric bypass: a randomized trial. Diabetes Care. 2010 Jul;33(7):1413-8. doi: 10.2337/dc09-1833.

    PubMed 20587720

Questions about this trial

What is this clinical trial studying?

A study testing Laparoscopic Roux-en-Y Gastric Bypass and Omentectomy in people with Metabolic Syndrome and Morbid Obesity, run by Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 2 inclusion and 5 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 7 Dec 2009. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Yes. Results are posted in the registry (first posted 18 Jun 2009). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Components of Metabolic Syndrome (Body Mass Index) (time frame: Basal). The study lists 44 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00923260, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 7 Dec 2009; AzTrials last refreshed its copy on 6 Nov 2026.

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