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Effects of Increased, Egg-Based Protein Intake on Muscle Composition, (S25)

This study has been completed.
Information provided by (Responsible Party):
Wayne Campbell, Purdue University Identifier:
First received: February 11, 2011
Last updated: February 2, 2016
Last verified: May 2013
This study is designed to assess the effect of a diet-controlled nutrition program utilizing an egg-based higher protein diet on muscle composition and size, and indices of metabolic health and markers of systemic inflammation in older men and women who are slightly overweight.

Condition Intervention
Muscle Composition
Dietary Supplement: Dietary Protein Intake

Study Type: Observational
Study Design: Observational Model: Cohort
Time Perspective: Retrospective
Official Title: Effects of Increased, Egg-Based Protein Intake on Muscle Composition,

Resource links provided by NLM:

Further study details as provided by Wayne Campbell, Purdue University:

Primary Outcome Measures:
  • Effects of Increased, Egg-Based Protein Intake on Muscle Composition, Metabolic Health and Systemic Inflammation in Obese, Older Adults [ Time Frame: December 31, 2013 ]
    Anticipated subject recruitment completion

Biospecimen Retention:   Samples With DNA
whole blood, serum, and muscle tissue

Enrollment: 22
Study Start Date: February 2011
Study Completion Date: February 2014
Primary Completion Date: February 2014 (Final data collection date for primary outcome measure)
Groups/Cohorts Assigned Interventions
High or Normal Dietary Protein Intake Dietary Supplement: Dietary Protein Intake
Dietary Protein Intake This is a 12-week randomized,prospective study incorporating a dietary intervention in which subjects will consume either higher protein(HP:1.4g protein•kg-1•d-1) or normal protein diet (NP:.8g protein•kg-1•d-1)


Ages Eligible for Study:   55 Years to 80 Years   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Sampling Method:   Non-Probability Sample
Study Population
Men and Women between the ages of 65-80

Inclusion Criteria:

  • Men and Women between the ages of 55-80
  • Body Mass Index between 27-35
  • Non Diabetic
  • Normal liver, kidney and heart functions within 10% of clinical normalcy
  • Not currently following a weight loss or other special /non balanced diets
  • weight stable

Exclusion Criteria:

  • fasting glucose > 110 mg/dl
  • blood pressure > 160/110 mm Hg
  • plasma total cholesterol > 260 mg/dl
  • LDL-cholesterol >160mg/dl
  • triacylglycerol>400 mg/dl
  • >than 1 hour/week of habitual aerobic and /or resistance exercise
  • Currently taking prescribed blood thinners
  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: NCT01396915

United States, Indiana
Purdue University
W. Lafayette, Indiana, United States, 47907
Sponsors and Collaborators
Purdue University
Principal Investigator: Wayne W Campbell, Ph.D. Purdue University
  More Information

Responsible Party: Wayne Campbell, Wayne Campbell, Ph.D, Purdue University Identifier: NCT01396915     History of Changes
Other Study ID Numbers: 1101010282
Study First Received: February 11, 2011
Last Updated: February 2, 2016

Keywords provided by Wayne Campbell, Purdue University:
Skeletal muscle lipid content
whole muscle volume
fasting glucose
blood urea nitrogen

Additional relevant MeSH terms:
Pathologic Processes
Pathological Conditions, Anatomical
Muscular Atrophy
Neuromuscular Manifestations
Neurologic Manifestations
Nervous System Diseases
Signs and Symptoms processed this record on May 25, 2017