Recruiting

Observational Study

Sponsor:

State University of New York at Buffalo

Code:

NCT05153759

Conditions

Shift-work Disorder

Eligibility Criteria

Sex: All

Age: 18+

Healthy Volunteers: Accepted

Interventions

Meal service

Study Details

Brief summary:

This study aims to explore dietary factors that influence glycemic control in night shift EMS providers and to test the feasibility of a dietary intervention among these providers.

Conditions

Shift-work Disorder

Study ID

NCT05153759

Start date

Jun 7, 2022

Status verified date

Jan, 2026

Completion date

Dec, 2026

Anticipated

Primary completion date

Dec, 2026

Anticipated

Eligibility Criteria

Eligibility Criteria

Sex: All

Age: 18+

Healthy Volunteers: Accepted

Inclusion Criteria:

  • Emergency medical service (EMS) provider
  • Works night shift only for at least one year
  • Provides patient care as primary duty

Exclusion Criteria:

  • Diagnosis of a metabolic disease (i.e. diabetes, prediabetes, metabolic syndrome)
  • Taking medication to lower blood glucose
  • Pregnant or planning to become pregnant
  • Diagnosis of kidney disease or impairment
  • Allergies or intolerances to study foods
  • Digestive disorder

Study Design

Enrollment

40 participants

Anticipated

Allocation

Randomized

Intervention Model

Parallel Assignment

Primary purpose

Prevention

Interventions and Outcome Measures

Arms

active comparator: High protein

Consuming a meal composed of 2:1 grams of protein to carbohydrate during the night shift between 7pm-7am

placebo comparator: Moderate protein

Consuming a meal composed of 1:1 grams of protein to carbohydrate during the night shift between 7pm-7am

Interventions

Meal service

The primary goal is to pilot the feasibility of a meal service intervention in night shift workers

Primary outcome measure

  • Glycemic control [ Time Frame: Two weeks ]
  • Compliance [ Time Frame: Four days ]

Central Contacts and Locations

Central contacts

Tegan H Mansouri, PhD

716-829-5596teganman@buffalo.edu

Jocelyn Stooks, MS

716-829-5596jstooks@buffalo.edu

Locations

University at Buffalo

Recruiting

Buffalo, New York, United States, 14214

Contacts

David Hostler, PhD

716-829-6795dhostler@buffalo.edu

Principal Investigator:

Tegan Mansouri, PhD

More Information

Sponsor

State University of New York at Buffalo

Last update posted

Jan 27, 2026

Last verified

Jan, 2026

Keywords

  • EMS
  • Night shift
  • Nutrition
  • Insulin resistance
  • Circadian rhythm

Trial information was received from ClinicalTrials.gov and was last updated on 2026-09-10. This information was provided to ClinicalTrials.gov by State University of New York at Buffalo on 2026-01-27.