Using Urine Color as a Marker of Hydration Status

December 13, 2021 updated by: Michael J. Buono, San Diego State University

Urine Color Expressed in CIE L*a*b* Colorspace During Rapid Changes in Hydration Status

The purpose of this study was to determine if rapid changes in hydration status could be determined by urine color expressed in CIE color space

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

The study will examine if urine color expressed in CIE color space can reflect hydration status. Hydration staus will be rapidly altered via exercise in the heat.

Study Type

Interventional

Enrollment (Actual)

10

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • California
      • San Diego, California, United States, 92120-1805
        • San Diego State University

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 35 years (Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • 18-35 years of age,
  • no previous heat intolerance

Exclusion Criteria:

- Pregnant women,

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Basic Science
  • Allocation: Non-Randomized
  • Interventional Model: Crossover Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: dehydration to rehydration
subjects were rehydrated following 2% dehydration
Other: dehydration and rehydration
dehydration and rehydration
Experimental: euhydration to dehydration
subjects were dehydrated by 2% with exercise in the heat
Other: dehydration and rehydration
dehydration and rehydration

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
can urine color expressed in CIE color space reflect hydration status
Time Frame: one hour dehydration and rehydration
urine color expressed in CIE color space
one hour dehydration and rehydration

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

San Diego State University

Investigators

  • Principal Investigator: Michael Buono, San Diego State University

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

March 15, 2020

Primary Completion (Actual)

November 15, 2020

Study Completion (Actual)

November 15, 2020

Study Registration Dates

First Submitted

November 22, 2021

First Submitted That Met QC Criteria

December 13, 2021

First Posted (Actual)

January 3, 2022

Study Record Updates

Last Update Posted (Actual)

January 3, 2022

Last Update Submitted That Met QC Criteria

December 13, 2021

Last Verified

December 1, 2021

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • ENS1
  • 0146 (SDSU IRB)

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

No

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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