How Seasons Affect Kidney Health in Post-Menopausal Females

Last updated: September 30, 2025
Sponsor: Florida State University
Overall Status: Completed

Phase

N/A

Condition

N/A

Treatment

There will be no intervention.

Clinical Study ID

NCT06866743
STUDY00005199
  • Ages > 55
  • Female

Study Summary

The investigators are assessing how seasonal changes affect kidney function biomarkers in post-menopausal women, an understudied group. While heat stress can reduce kidney function, previous research has not accounted for physical activity, diet, hydration, or sun exposure.

Eligibility Criteria

Inclusion

Inclusion Criteria:

  • Female aged ≥55 years old

  • Self Reported as at least one year post-menopause

  • Live in Tallahassee, Florida, or the surrounding area

Exclusion

Exclusion Criteria:

  • Have a BMI of ≥30 kg/m2

  • Systolic blood pressure of ≥140 and/or diastolic blood pressure ≥90 mmHg

  • Self Reported Current or recent (regular use within the past six months) use of adiuretic medication

  • Self Reported: Uncontrolled cardiovascular, respiratory, neurological, renal, liver,or metabolic health condition

  • Current or recent (regular use within the past six months) use of tobacco, nicotine,nonsteroidal anti-inflammatory products

  • No regular (≥once per week) purposeful heat exposure (e.g., sauna, spa, etc.)

Study Design

Total Participants: 18
Treatment Group(s): 1
Primary Treatment: There will be no intervention.
Phase:
Study Start date:
January 03, 2025
Estimated Completion Date:
September 03, 2025

Study Description

Intense heat stress on the body can reduce kidney function. A recent study reported that blood markers of kidney function are lower among people in hotter climates. However, these data did not consider physical activity, food intake, fluid intake, time spent outdoors, or exposure to sunlight. Therefore, the investigators invite participants to help determine whether there are seasonal changes in kidney function biomarkers. This will also help the investigators understand if physical activity, food intake, fluid intake, time spent outdoors, or exposure to sunlight affect kidney function biomarkers between seasons. The investigators are studying female adults post-menopause since they are an understudied group.

Connect with a study center

  • Florida State University

    Tallahassee, Florida 32306
    United States

    Site Not Available

  • Florida State University

    Tallahassee 4174715, Florida 4155751 32306
    United States

    Site Not Available

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