Using Urine Color as a Marker of Hydration Status

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

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT05174793

Enrollment

Registered

2022-01-03

Start date

2020-03-15

Completion date

2020-11-15

Last updated

2022-01-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Dehydration

Brief summary

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

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.

Interventions

OTHERdehydration and rehydration

dehydration and rehydration

Study design

Allocation

NON_RANDOMIZED

Intervention model

CROSSOVER

Primary purpose

BASIC_SCIENCE

Masking

NONE

Intervention model description

urine color was measured during dehydration and rehydration

Eligibility

Sex/Gender

ALL

Age

18 Years to 35 Years

Healthy volunteers

Yes

Inclusion criteria

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

Exclusion criteria

\- Pregnant women,

Design outcomes

Primary

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

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026