2765: Effect of aging and weight loss on iron status

Women ages 18-45 years OR women older than 60 years

The purpose of this study is to evaluate the effect of aging and weight loss on iron status and immune response in women. Participants are patients of the Weight and Wellness Center at Tufts Medical Center. They will be asked for two blood sample collections, one before weight loss and one after, and to provide 3-day food records before each blood draw and once per month during their participation in the study.

Major Exclusions
  • Pregnancy
  • Body Mass Index lower than 30 kg/m2 or higher than 55 kg/m2
  • Prior gastric restrictive surgery
  • Intestinal malabsorption disorders
  • Gastrointestinal cancer
  • Use of immunosuppressants
  • Chronic infectious or inflammatory disease
Length of Study

12 to 16 weeks

# of Visits

2 visits for blood draw and food record review, 2-3 additional visits for food record review (these can be done over the phone). We make every effort to schedule study visits on the same days that participants have appointments at the Weight and Wellness Center.



Study site

This study is being done in collaboration with the Weight and Wellness Center at Tufts Medical Center. All study visits will happen there.

Study diet

Participants will follow weight loss regime at the Weight and Wellness Center, where they will also meet with dietitians on a regular basis.


$25 for each blood draw. Also, any costs relating to transportation for study visits will be reimbursed.

Can I work?


  1. Length of study
    Total length of the study including resident stays and nonresident visits.
    This does not mean you will be testing the entire time.
  2. Residency
    The length of time volunteers are required to stay overnight at the HNRCA. Residents have their own private room, bathroom, television, VCR, and phone during their stay.
  3. Payment
    The amount of reimbursement for travel and inconvenience.
  4. Number of visits
    Total number of nonresident visits.
  5. Study diet
    Indicates meals which will be provided by the HNRCA
  6. Can I work?
    Indicates if you will be able to work and if so, when.

For inquiries about this study, please contact the Study Coordinator, Maria Carlota Dao, at 1-800-372-0345 (ext. 2), or e-mail iron_hnrca@tufts.edu

We appreciate your interest in our program and we hope to work with you in the future.

Thank you,

The Recruitment Office
Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University