A Pilot Study of Metabolic Effects of Omentectomy

NCT ID: NCT00565799

Last Updated: 2015-11-20

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

TERMINATED

Clinical Phase

PHASE2

Total Enrollment

11 participants

Study Classification

INTERVENTIONAL

Study Start Date

2007-11-30

Study Completion Date

2010-11-30

Brief Summary

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PROTOCOL SUMMARY

Type of Study: Pilot, randomized and single center trial Test Procedure: Omentectomy Aim 1. Determine the effect of omentectomy on 1) insulin sensitivity, 2) beta cell function and 3) plasma markers of inflammation We hypothesize that removal of omental fat increases insulin sensitivity and pancreatic sensitivity to glucose, and decreases systemic inflammation.

Aim 2. Identify genes and proteins in adipocytes from obese patients that affect clinical presentation versus those that are affected by obesity for future study.

We hypothesize that the genetic samples will help us to identify genes and proteins in adipocytes from obese patients that affect clinical presentation versus those that are affected by obesity and help us to design future obesity genetic studies.

Total Enrollment Number: 30 patients who are scheduled to undergo bariatric surgery for weight loss at New York University Medical Center will be invited to participate in this study. Subjects will be randomly assigned, by using a computer-generated randomization scheme, in a single-blind fashion to either the omentectomy (n=15) or control group (n=15).

Detailed Description

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Inclusion Criteria:

* Patients who consented to undergo LAGB for weight loss and consent to participate in this study
* BMI ≥35 kg/m2
* Confirmed T2DM treated with oral agents and/or only diet therapy
* Age 18-64 years

Exclusion Criteria:

* Insulin therapy
* Weight change (\>2% body weight) within 4 weeks before surgery
* Patients with T2DM for more than 10 years

Research Design- Pilot Study Event Week (approximate) Medical Screening (in conjunction with routine pre-op visit) -4 OGTT \& randomization -2 Preliminary genetic testing for the future study (blood sample) -2 Surgery with or without omentectomy 0 Preliminary genetic testing for the future study (fat sample) 0 Weight stabilization visit (in conjunction with routine post-op visit) 2 Weight stabilization visit (in conjunction with routine post-op visit) 4 OGTT 6

STUDY PLAN

Study has approved by IRB, NYU School of Medicine Committee, GCRC, and Bellevue Hospital.

Study initiation date: November 01, 2007

Enrollment period: Nov. 2007 to Nov. 2008

Study period: Nov. 2007 to Jan 2008

Conditions

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Patients Who Consented to Undergo Laparoscopic Gastric Banding Surgery for Weight Loss and Consent to Participate in This studyBMI ≥35 kg/m2 Confirmed Type 2 Diabetes Treated With Oral Agents and/or Only Diet Therapy Age 18-64 Years

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Participants

Study Groups

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1. Omentectomy

LAGB \& Omentectomy

Group Type ACTIVE_COMPARATOR

Omentectomy

Intervention Type PROCEDURE

Removing the omentum

2 No Omentectomy

LAGB Only

Group Type PLACEBO_COMPARATOR

No intervention

Intervention Type OTHER

Only LAGB without Omentectomy

Interventions

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Omentectomy

Removing the omentum

Intervention Type PROCEDURE

No intervention

Only LAGB without Omentectomy

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Patients who consented to undergo LAGB for weight loss and consent to participate in this study
* BMI ≥35 kg/m2
* Confirmed T2DM treated with oral agents and/or only diet therapy
* Age 18-64 years

Exclusion Criteria

* Insulin therapy
* Weight change (\>2% body weight) within 4 weeks before surgery
* Patients with T2DM for more than 10 years
Minimum Eligible Age

18 Years

Maximum Eligible Age

64 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Washington University School of Medicine

OTHER

Sponsor Role collaborator

NYU Langone Health

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Christine Ren, M.D.

Role: PRINCIPAL_INVESTIGATOR

NYU School of Medicine

Locations

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NYU School of Medicine

New York, New York, United States

Site Status

Countries

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United States

Related Links

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Other Identifiers

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07-178

Identifier Type: -

Identifier Source: org_study_id