NCT03977558

Brief Summary

Shift work is associated with a higher risk of the development of cardiometabolic syndrome (CMtS) than in people working only during the day. One of the factors predisposing to the development of the CMtS in shift workers is an inappropriate composition of their diet. It was observed that the shift workers diet is characterized by a higher intake of saturated fatty acids (SFA) and a lower consumption of unsaturated fatty acids. One potential way to reduce the risk of CMtS in this study group seems to be a modification of their everyday diet by excluding the products of animal origin (e.g. butter) with simultaneously including vegetable oils (i.e. canola oil). The aim of the study is to evaluate the effect of replacement in the everyday diet of saturated fats (butter) with unsaturated fats (canola oil-based spread and canola oil added to main meals) in centrally obese shift workers on changes in body weight and body composition parameters as well as on changes in CMtS markers.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
40

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Oct 2018

Geographic Reach
1 country

1 active site

Status
unknown

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

October 30, 2018

Completed
7 months until next milestone

First Submitted

Initial submission to the registry

June 5, 2019

Completed
1 day until next milestone

First Posted

Study publicly available on registry

June 6, 2019

Completed
5 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 30, 2019

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2019

Completed
Last Updated

June 10, 2019

Status Verified

June 1, 2019

Enrollment Period

1 year

First QC Date

June 5, 2019

Last Update Submit

June 6, 2019

Conditions

Keywords

Shift WorkNight WorkRotating Shift WorkMetabolic SyndromeDiet TherapyCanola oilFatty AcidsCardiometabolic parameters

Outcome Measures

Primary Outcomes (8)

  • Waist circumference (WC)

    Changes in WC within groups and between groups

    Baseline, 4, 8 and 12 week

  • HDL-cholesterol (HDL-C)

    Changes in HDL-C within groups and between groups

    Baseline, 12 week

  • LDL-cholesterol (LDL-C)

    Changes in LDL-C within groups and between groups

    Baseline, 12 week

  • Triglycerides (TG)

    Changes in TG within groups and between groups

    Baseline, 12 week

  • Glucose (GLU)

    Changes in GLU within groups and between groups

    Baseline, 12 week

  • Blood pressure (BP)

    Changes in BP within groups and between groups

    Baseline, 12 week

  • Body weight (BW)

    Changes in BW within groups and between groups

    Baseline, 4, 8 and 12 week

  • Fat mass (FM)

    Changes in FM within groups and between groups

    Baseline, 4, 8 and 12 week

Secondary Outcomes (11)

  • Insulin (INS)

    Baseline, 12 week

  • High-sensitivity C-reactive Protein (hs-CRP)

    Baseline, 12 week

  • Cardiotrophin-1 (CT-1)

    Baseline, 12 week

  • Lipase (LPS)

    Baseline, 12 week

  • Cholinesterase (CHE)

    Baseline, 12 week

  • +6 more secondary outcomes

Study Arms (2)

Intervention group

EXPERIMENTAL

Isocaloric diet, based on individual energy requirements calculated from indirect calorimetry and physical activity adjustment Participants will be asked to eat daily \~50g canola oil

Behavioral: Intervention group

Control group

ACTIVE COMPARATOR

Standard dietary advice that is used as current best practice in the treatment of lipid disturbances of European Society of Cardiology and European Atherosclerosis Society (ESC/EAS) Guidelines for the management of dyslipidemias)

Behavioral: Control group

Interventions

Isocaloric diet including \~50g canola oil

Intervention group
Control groupBEHAVIORAL

ESC/EAS Guidelines for the management of dyslipidemias

Control group

Eligibility Criteria

Age30 Years - 60 Years
Sexmale
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • centrally obese (≥ 94cm) male
  • aged between 30-60 years,
  • working rotating shifts for at least 5 years and working night shifts minimum five times a month,

You may not qualify if:

  • diabetes, familial hypercholesterolemia, thyroid and parathyroid diseases, non-specific intestinal diseases, celiac disease, phenylketonuria,
  • taking medication for lowering blood lipids such as statins,
  • weight loss therapy for 3 months before the intervention,
  • allergies and intolerances
  • consuming high-proof alcoholic beverages (\>2 portions/week)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Poznan University of Life Science

Poznan, 60-624, Poland

RECRUITING

MeSH Terms

Conditions

Metabolic Syndrome

Interventions

Control Groups

Condition Hierarchy (Ancestors)

Insulin ResistanceHyperinsulinismGlucose Metabolism DisordersMetabolic DiseasesNutritional and Metabolic Diseases

Intervention Hierarchy (Ancestors)

Epidemiologic Research DesignEpidemiologic MethodsInvestigative TechniquesResearch DesignMethods

Study Officials

  • Agnieszka Kuleta-Koberska, Msc

    Poznan University of Life Sciences

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Agnieszka Kuleta-Koberska, MSc

CONTACT

Joanna Bajerska, Prof.

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

June 5, 2019

First Posted

June 6, 2019

Study Start

October 30, 2018

Primary Completion

October 30, 2019

Study Completion

December 31, 2019

Last Updated

June 10, 2019

Record last verified: 2019-06

Data Sharing

IPD Sharing
Will not share

Locations