NCT01684280

Brief Summary

To investigate:

  1. 1.Associations between miRNA and insulin signaling-related gene expressions in abdominal adipose tissues in obese subjects.
  2. 2.Differences in miRNAs expressed by intrabdominal omental adipose tissues between genders.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
20

participants targeted

Target at below P25 for all trials

Timeline
Completed

Started Jun 2010

Shorter than P25 for all trials

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

June 1, 2010

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 1, 2010

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

September 1, 2010

Completed
2 years until next milestone

First Submitted

Initial submission to the registry

September 10, 2012

Completed
2 days until next milestone

First Posted

Study publicly available on registry

September 12, 2012

Completed
Last Updated

September 13, 2012

Status Verified

September 1, 2012

Enrollment Period

3 months

First QC Date

September 10, 2012

Last Update Submit

September 11, 2012

Conditions

Keywords

abdominal adipose tissue; microRNA

Outcome Measures

Primary Outcomes (1)

  • MicroRNA expression in abdominal omental adipose tissues

    MicroRNA-125a-3p expression in abdominal omental adipose tissues is associated with insulin signaling-related gene expression levels in morbid obesity

    up to 28 weeks

Study Arms (1)

gender

Paired samples of abdominal subcutaneous and intrabdominal omental adipose tissue were obtained from men and women who underwent bariatric surgery.

Genetic: gender

Interventions

genderGENETIC

Paired samples of abdominal subcutaneous and intrabdominal omental adipose tissue were obtained from men and women who underwent bariatric surgery.

Also known as: BMI were all over 40 kg/ m2
gender

Eligibility Criteria

Age19 Years - 63 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)
Sampling MethodProbability Sample
Study Population

Paired samples of abdominal subcutaneous and intrabdominal omental adipose tissue were obtained from men (n = 9) and women (n =10) who underwent bariatric surgery. Their BMI were all over 40 kg/ m2, and ages between 19-63 years.

You may qualify if:

  • Morbid obesity,BMIs\> 40 kg/m2
  • Subjects who underwent bariatric surgery

You may not qualify if:

  • Obese subjects with complicated metabolic disorders
  • Thyroid disease

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Taipei Medical University Hospital

Taipei, Taiwan, 110, Taiwan

Location

Related Publications (12)

  • Brennecke J, Stark A, Russell RB, Cohen SM. Principles of microRNA-target recognition. PLoS Biol. 2005 Mar;3(3):e85. doi: 10.1371/journal.pbio.0030085.

    PMID: 15723116BACKGROUND
  • Bartel DP. MicroRNAs: genomics, biogenesis, mechanism, and function. Cell. 2004 Jan 23;116(2):281-97. doi: 10.1016/s0092-8674(04)00045-5.

    PMID: 14744438BACKGROUND
  • Hilton C, Neville MJ, Karpe F. MicroRNAs in adipose tissue: their role in adipogenesis and obesity. Int J Obes (Lond). 2013 Mar;37(3):325-32. doi: 10.1038/ijo.2012.59. Epub 2012 Apr 24.

    PMID: 22531086BACKGROUND
  • Krotkiewski M, Bjorntorp P, Sjostrom L, Smith U. Impact of obesity on metabolism in men and women. Importance of regional adipose tissue distribution. J Clin Invest. 1983 Sep;72(3):1150-62. doi: 10.1172/JCI111040.

    PMID: 6350364BACKGROUND
  • Jiang L, Huang Q, Zhang S, Zhang Q, Chang J, Qiu X, Wang E. Hsa-miR-125a-3p and hsa-miR-125a-5p are downregulated in non-small cell lung cancer and have inverse effects on invasion and migration of lung cancer cells. BMC Cancer. 2010 Jun 22;10:318. doi: 10.1186/1471-2407-10-318.

  • Herrera BM, Lockstone HE, Taylor JM, Wills QF, Kaisaki PJ, Barrett A, Camps C, Fernandez C, Ragoussis J, Gauguier D, McCarthy MI, Lindgren CM. MicroRNA-125a is over-expressed in insulin target tissues in a spontaneous rat model of Type 2 Diabetes. BMC Med Genomics. 2009 Aug 18;2:54. doi: 10.1186/1755-8794-2-54.

  • John B, Enright AJ, Aravin A, Tuschl T, Sander C, Marks DS. Human MicroRNA targets. PLoS Biol. 2004 Nov;2(11):e363. doi: 10.1371/journal.pbio.0020363. Epub 2004 Oct 5.

  • Kanehisa M, Goto S. KEGG: kyoto encyclopedia of genes and genomes. Nucleic Acids Res. 2000 Jan 1;28(1):27-30. doi: 10.1093/nar/28.1.27.

  • Gustafson B. Adipose tissue, inflammation and atherosclerosis. J Atheroscler Thromb. 2010 Apr 30;17(4):332-41. doi: 10.5551/jat.3939. Epub 2010 Feb 3.

  • O'Connell J, Lynch L, Cawood TJ, Kwasnik A, Nolan N, Geoghegan J, McCormick A, O'Farrelly C, O'Shea D. The relationship of omental and subcutaneous adipocyte size to metabolic disease in severe obesity. PLoS One. 2010 Apr 1;5(4):e9997. doi: 10.1371/journal.pone.0009997.

  • Wellen KE, Hotamisligil GS. Inflammation, stress, and diabetes. J Clin Invest. 2005 May;115(5):1111-9. doi: 10.1172/JCI25102.

  • Niswender KD, Morrison CD, Clegg DJ, Olson R, Baskin DG, Myers MG Jr, Seeley RJ, Schwartz MW. Insulin activation of phosphatidylinositol 3-kinase in the hypothalamic arcuate nucleus: a key mediator of insulin-induced anorexia. Diabetes. 2003 Feb;52(2):227-31. doi: 10.2337/diabetes.52.2.227.

Biospecimen

Retention: NONE RETAINED

Paired samples of abdominal subcutaneous and intrabdominal omental adipose tissue were obtained from men and women who underwent laparoscopic bariatric surgery.

MeSH Terms

Conditions

Obesity, Morbid

Interventions

Sex

Condition Hierarchy (Ancestors)

ObesityOverweightOvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

Reproductive Physiological PhenomenaReproductive and Urinary Physiological Phenomena

Study Officials

  • Wang Weu

    Comprehensive Weight Management Center Taipei Medical University Hospital

    STUDY DIRECTOR

Study Design

Study Type
observational
Observational Model
CASE CONTROL
Time Perspective
CROSS SECTIONAL
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
professor

Study Record Dates

First Submitted

September 10, 2012

First Posted

September 12, 2012

Study Start

June 1, 2010

Primary Completion

September 1, 2010

Study Completion

September 1, 2010

Last Updated

September 13, 2012

Record last verified: 2012-09

Locations