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Effect of Weight & Insulin Sensitivity on Reproductive Function in PCOS: Studies in Skeletal Muscle & Adipose (PULSE-A)

This study has been completed.
Information provided by (Responsible Party):
Leanne Redman, Pennington Biomedical Research Center Identifier:
First received: January 22, 2013
Last updated: January 27, 2017
Last verified: January 2017
The purpose of the study is to test in 52 overweight and obese women with polycystic ovary syndrome the effect of 6 months of treatment with either: exercise training, 25% dietary restriction or metformin in comparison to a control group receiving no intervention on the functions of the skeletal muscle and adipose tissue.

Condition Intervention Phase
Polycystic Ovary Syndrome Drug: Metformin Behavioral: Exercise Behavioral: Dietary Restriction Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double (Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: Effect of Weight and Insulin Sensitivity on Reproductive Function in Polycystic Ovary Syndrome: Studies in Skeletal Muscle and Adipose Tissue 'PULSE Ancillary Study'

Resource links provided by NLM:

Further study details as provided by Leanne Redman, Pennington Biomedical Research Center:

Primary Outcome Measures:
  • Change in skeletal muscle insulin resistance Pulsatility profile of Luteinizing Hormone (LH) [ Time Frame: Baseline, week 24 ]
  • Change in adipose tissue insulin resistance [ Time Frame: Baseline, week 24 ]

Enrollment: 16
Study Start Date: May 2012
Study Completion Date: April 2016
Primary Completion Date: April 2016 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
No Intervention: Control
Control subjects recieve no intervention for diet, exercise or metformin and are asked to adhere to usual behaviors throughout the trial.
Experimental: Metformin
1000mg BID
Drug: Metformin
Experimental: Dietary Restriction
25% dietary restriction
Behavioral: Dietary Restriction
Experimental: Exercise
10 kcal/kg/week in exercise energy expenditure. 3 x resistance training sessions per week (8 exercises)
Behavioral: Exercise

Detailed Description:

The PULSE Ancillary study will last about 7 months. Participants will one or two additional procedures performed at baseline and during the week 24 testing.

These procedures include a fat biopsy, a muscle biopsy or both.


Ages Eligible for Study:   20 Years to 40 Years   (Adult)
Sexes Eligible for Study:   Female
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Enrolled in PULSE

Exclusion Criteria:

  • Withdraw from PULSE
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT01775176

United States, Louisiana
Pennington Biomedical Research Center
Baton Rouge, Louisiana, United States, 70808
Sponsors and Collaborators
Pennington Biomedical Research Center
Principal Investigator: Leanne M Redman, Ph.D. Pennington Biomedical Research Center
  More Information

Responsible Party: Leanne Redman, Principle Investigator, Pennington Biomedical Research Center Identifier: NCT01775176     History of Changes
Other Study ID Numbers: PBRC 11016-A
Study First Received: January 22, 2013
Last Updated: January 27, 2017

Keywords provided by Leanne Redman, Pennington Biomedical Research Center:
PCOS, Weight, Insulin Sensitivity, Reproductive Function

Additional relevant MeSH terms:
Polycystic Ovary Syndrome
Insulin Resistance
Pathologic Processes
Immune System Diseases
Glucose Metabolism Disorders
Metabolic Diseases
Ovarian Cysts
Ovarian Diseases
Adnexal Diseases
Genital Diseases, Female
Gonadal Disorders
Endocrine System Diseases
Hypoglycemic Agents
Physiological Effects of Drugs processed this record on September 21, 2017