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Soy, Bone and Health in College Females

University of Georgia (UGA) logo

University of Georgia (UGA)

Status

Completed

Conditions

Osteoporosis
Obesity

Treatments

Dietary Supplement: Soy Protein Dietary Supplement
Dietary Supplement: Placebo

Study type

Interventional

Funder types

Other

Identifiers

NCT00244478
10-20-2005-FOCUS

Details and patient eligibility

About

This is a 16-week intervention to determine the efficacy of an isoflavone-rich soy based meal supplement to improve bone health and prevent weight and fat gain in 18-19 year old college females. The primary hypothesis is that participants who receive soy will have favorable changes in blood markers of bone and less weight and fat gain. The soy is provided by Physicians Pharmaceuticals, Inc. (Revival Doctor-formulated soy protein).

Full description

The proposed study will be a 16-week randomized, double-blind, placebo-controlled trial designed to test whether a daily isoflavone-rich, soy-based meal replacement Revival Soy shake promotes favorables changes in bone biomarkers and attenuates weight gain in female college students. First-year college females were selected because of the potential for significant weight gain during their freshman year. The study will have a parallel design with two groups: the soy treatment group (SOY; n = 60) and a casein-based control (CON; n = 60). Exclusion criteria include significant weight loss or gain in the past 3 months, vegetarians and heavy soy food consumers, National Collegiate Athletic Association Division I athletes, women with eating disorders, present illnesses, chronic disease, and those taking medications or herbal supplements known to affect body weight, body fat or bone. Participants will be stratified based on BMI (18.0-24.9; 25-29.9; ≥30.0) and randomized to either SOY or CON groups.

Female college freshmen enrolled at the University of Georgia will be recruited in the fall of 2005. The soy-based meal replacements will contain 20 g soy protein and 161.2 mg isoflavones, 220-240 kcal, 31-36 g total carbohydrates, 0-2 g dietary fiber, 500 mg calcium, and 2.0-2.5 g total fat per serving. The control shake will have 20 g casein substituted for soy protein, and will be otherwise identical to the soy shakes. The shakes will be available in two flavors: chocolate and vanilla.

Enrollment

120 patients

Sex

Female

Ages

18 to 19 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • 18-19 year old University of Georgia college females of all races/ethnicities.

Exclusion criteria

  • significant weight loss or gain, currently dieting to lose weight, are planning to lose weight, diet or begin an exercise program, under the age of 18, pregnant or intending to become pregnant, vegetarians, heavy soy food consumers, Division I athletes, women with menstrual irregularities, eating disorders, present or chronic illness, and those taking medications known to affect bone, body weight or body fat.

Trial design

Primary purpose

Prevention

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

120 participants in 2 patient groups, including a placebo group

Soy Protein Dietary Supplement
Experimental group
Description:
The soy-based meal replacements will contain 20 g soy protein and 161.2 mg isoflavones, 220-240 kcal, 31-36 g total carbohydrates, 0-2 g dietary fiber, 500 mg calcium, and 2.0-2.5 g total fat per serving.
Treatment:
Dietary Supplement: Soy Protein Dietary Supplement
Placebo
Placebo Comparator group
Description:
The control shake will have 20 g casein substituted for soy protein, and will be otherwise identical to the soy shakes. The shakes will be available in two flavors: chocolate and vanilla.
Treatment:
Dietary Supplement: Placebo

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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