NCT04149418

Brief Summary

The objective of this study is to conduct a randomized cross-over dietary intervention in adult women who are overweight or obese to compare how yogurt and a control food affect biomarkers of inflammation and intestinal health.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
40

participants targeted

Target at P25-P50 for not_applicable obesity

Timeline
Completed

Started Oct 2021

Shorter than P25 for not_applicable obesity

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

First Submitted

Initial submission to the registry

October 29, 2019

Completed
6 days until next milestone

First Posted

Study publicly available on registry

November 4, 2019

Completed
1.9 years until next milestone

Study Start

First participant enrolled

October 15, 2021

Completed
11 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 1, 2022

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

September 1, 2022

Completed
Last Updated

November 16, 2022

Status Verified

November 1, 2022

Enrollment Period

11 months

First QC Date

October 29, 2019

Last Update Submit

November 15, 2022

Conditions

Keywords

yogurtobesityintestine

Outcome Measures

Primary Outcomes (1)

  • Change in Th17 proportion

    Change in proportions of circulating Th17 cells (change in control vs. change in yogurt)

    Baseline, Week 4, Week 8, Week 12

Secondary Outcomes (23)

  • Change in Treg proportion

    Baseline, Week 4, Week 8, Week 12

  • Change in Treg subpopulation

    Baseline, Week 4, Week 8, Week 12

  • Change in Th17 subpopulation (IL-17A+ TNFα+)

    Baseline, Week 4, Week 8, Week 12

  • Change in Th17 subpopulation (IL-17A+ IFNδ+)

    Baseline, Week 4, Week 8, Week 12

  • Change in Th17 subpopulation (IL-17A+ IL-22+)

    Baseline, Week 4, Week 8, Week 12

  • +18 more secondary outcomes

Other Outcomes (17)

  • Change in systolic blood pressure

    Baseline, Week 4, Week 8, Week 12

  • Change in diastolic blood pressure

    Baseline, Week 4, Week 8, Week 12

  • Change in BMI

    Baseline, Week 4, Week 8, Week 12

  • +14 more other outcomes

Study Arms (2)

Yogurt-Control

EXPERIMENTAL

Consumption of 12 oz. of low-fat yogurt daily (2 x 6 oz. servings) for 4 weeks, followed by a washout phase for 4 weeks, then consumption of 12 oz. control food (flavored soy pudding, 2 x 6 oz. servings) for 4 weeks.

Other: YogurtOther: Control food

Control-Yogurt

EXPERIMENTAL

Consumption of control food (flavored soy pudding, 2 x 6 oz. servings), followed by a washout phase for 4 weeks, then consumption of 12 oz. of low-fat yogurt daily (2 x 6 oz. servings) for 4 weeks.

Other: YogurtOther: Control food

Interventions

YogurtOTHER

Low-fat flavored yogurt

Control-YogurtYogurt-Control

Low-fat flavored soy pudding

Control-YogurtYogurt-Control

Eligibility Criteria

Age21 Years - 55 Years
Sexfemale(Gender-based eligibility)
Gender Eligibility DetailsFemale
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • healthy premenopausal women age 21-55
  • BMI ≥ 25 kg/m2
  • not taking medication to control hypertension (e.g. anti-hypertensives or diuretics)
  • resting blood pressure \<140/90 mmHg
  • stable body weight for past two months
  • willing to maintain a normal exercise level (in general)
  • willing to avoid exercise and smoking (or other forms of nicotine intake) for 24 h prior to blood collection
  • willing to avoid caffeine for 12 h before study visits
  • willing to fast 12 h prior to study visits
  • willing to avoid dietary supplements, yogurt and probiotic-containing foods (as necessary) and consume 12 oz. of yogurt and the control food per day (as necessary) for the duration of the study

You may not qualify if:

  • self-reported previous diagnoses of an inflammatory disease (e.g. inflammatory bowel disease, asthma, arthritis), CVD, diabetes, current cancer treatment (i.e., chemotherapy, radiation therapy)
  • have used oral antibiotics in the prior 21 days before sample collection
  • actively trying to lose weight
  • regularly taking anti-inflammatory drugs
  • vegetarian or allergic to soy or dairy
  • are pregnant, lactating, or trying to become pregnant

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Department of Food Science, Babcock Hall

Madison, Wisconsin, 53706, United States

Location

Related Publications (1)

  • Hasegawa Y, Noll AL, Lang DJ, Akfaly EM, Liu Z, Bolling BW. Low-fat yogurt consumption maintains biomarkers of immune function relative to nondairy control food in women with elevated BMI: A randomized controlled crossover trial. Nutr Res. 2024 Sep;129:1-13. doi: 10.1016/j.nutres.2024.07.005. Epub 2024 Jul 24.

MeSH Terms

Conditions

ObesityInflammation

Interventions

YogurtHazard Analysis and Critical Control Points

Condition Hierarchy (Ancestors)

OverweightOvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and SymptomsPathologic Processes

Intervention Hierarchy (Ancestors)

Cultured Milk ProductsMilkBeveragesDiet, Food, and NutritionPhysiological PhenomenaFermented FoodsDairy ProductsFoodFood and BeveragesFood SafetyFood QualityFood TechnologyFood IndustryIndustryTechnology, Industry, and AgricultureSafetyAccident PreventionAccidentsPublic HealthEnvironment and Public Health

Study Officials

  • Bradley W Bolling, PhD

    University of Wisconsin, Madison

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
BASIC SCIENCE
Intervention Model
CROSSOVER
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 29, 2019

First Posted

November 4, 2019

Study Start

October 15, 2021

Primary Completion

September 1, 2022

Study Completion

September 1, 2022

Last Updated

November 16, 2022

Record last verified: 2022-11

Data Sharing

IPD Sharing
Will not share

Locations