NCT03758378

Brief Summary

The effects of food additives on body weight in humans are largely unknown. This is a before-and-after feasibility study in 5 obese adults who will be followed for 5 months. Eligible participants with meet with the study team and will be taught how to limit the exposure to the studied food additives in their diet. Participants will also be asked to limit eating out to a maximum of 2 days per week. Primary outcomes in this study are recruitment rate, retention rate and adherence to the proposed dietary intervention.

Trial Health

57
Monitor

Trial Health Score

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

Enrollment
2

participants targeted

Target at below P25 for not_applicable obesity

Timeline
Completed

Started Nov 2018

Shorter than P25 for not_applicable obesity

Geographic Reach
1 country

1 active site

Status
terminated

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

Study Start

First participant enrolled

November 12, 2018

Completed
14 days until next milestone

First Submitted

Initial submission to the registry

November 26, 2018

Completed
3 days until next milestone

First Posted

Study publicly available on registry

November 29, 2018

Completed
5 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 1, 2019

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

May 1, 2019

Completed
Last Updated

August 20, 2019

Status Verified

August 1, 2019

Enrollment Period

6 months

First QC Date

November 26, 2018

Last Update Submit

August 18, 2019

Conditions

Keywords

dietary modification

Outcome Measures

Primary Outcomes (3)

  • Recruitment rate

    Baseline

  • Retention rate

    5 months

  • Proportion of meals/beverages suspected to contain the studied food additives on 3 unannounced 24-hour dietary recalls

    Adherence to the dietary intervention

    2 to 4 months

Study Arms (1)

Dietary intervention

EXPERIMENTAL
Other: Dietary intervention

Interventions

Limiting dietary exposure to high intensity sweeteners and sugar alcohols; limiting eating out to a maximum of 2 days per week.

Dietary intervention

Eligibility Criteria

Age20 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • BMI\>/=30 kg/m2
  • routine consumption/use of (i) \>/=250 ml of artificially-sweetened beverages per day and/or (ii) \>/=1 gum per day
  • willingness and ability to follow the proposed dietary intervention
  • informed consent

You may not qualify if:

  • previous or planned bariatric surgery in the next 1 year
  • current or planned participation in any structured weight-loss programs in the next 6 months
  • current or recent (within the last 6 months) use of weight-loss-inducing drugs or systemic steroids
  • bipolar disorder or attention deficit hyperactivity disorder
  • current use of anti-depressant or anti-psychotic medications
  • eating disorder or any other active disorder that may lead to significant weight changes
  • working night shifts
  • pregnancy or planned pregnancy in the next 1 year
  • uncontrolled diabetes mellitus or diabetes requiring treatment with \>2 oral diabetes medications or with insulin

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

McMaster University

Hamilton, Ontario, L8S 4K1, Canada

Location

MeSH Terms

Conditions

Obesity

Interventions

Diet Therapy

Condition Hierarchy (Ancestors)

OverweightOvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

Nutrition TherapyTherapeutics

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Associate Professor

Study Record Dates

First Submitted

November 26, 2018

First Posted

November 29, 2018

Study Start

November 12, 2018

Primary Completion

May 1, 2019

Study Completion

May 1, 2019

Last Updated

August 20, 2019

Record last verified: 2019-08

Data Sharing

IPD Sharing
Will not share

Locations