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High Dietary Salt Impact on Healthy Subjects

Led By Connie Weaver, PhD
Research Sponsored by San Diego State University
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Healthy adults age 18-50 years, but not postmenopausal
Be between 18 and 65 years old
Screening 3 weeks
Treatment Varies
Follow Up entire controlled feeding period
Awards & highlights

Study Summary

This trial seeks to understand how people from different racial/ethnic backgrounds respond differently to diet, and how dietary guidance should be tailored to best meet each group's needs.

Who is the study for?
This trial is for healthy adults aged 18-50, not postmenopausal, with a BMI of 18.5-30 and waist size within set limits. Participants must have all grandparents from one of four major racial/ethnic groups and no lactose-free milk allergy. Excluded are those on certain medications, recent bone fractures, diabetes, cancer, liver or GI diseases, poor kidney function or smokers.Check my eligibility
What is being tested?
The study examines how Black, White, Hispanic, and Asian adults absorb calcium and excrete sodium when consuming lactose-free milk in diets with high (typical Western) versus low (recommended) salt levels. It aims to understand racial/ethnic differences in mineral metabolism related to diet.See study design
What are the potential side effects?
Since the intervention involves dietary changes only (high salt intake), side effects may include increased blood pressure or potential strain on the kidneys over time; however specific side effects will be monitored throughout the study.

Eligibility Criteria

Inclusion Criteria

You may be eligible if you check “Yes” for the criteria below
I am between 18 and 50 years old and not postmenopausal.


Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~change between baseline and 48 hours
This trial's timeline: 3 weeks for screening, Varies for treatment, and change between baseline and 48 hours for reporting.

Treatment Details

Study Objectives

Outcome measures can provide a clearer picture of what you can expect from a treatment.
Primary outcome measures
Fractional calcium absorption
Urinary calcium
Secondary outcome measures
blood and urinary minerals
blood pressure-both systolic and diastolic

Trial Design

2Treatment groups
Experimental Treatment
Group I: Low Dietary saltExperimental Treatment1 Intervention
Low salt diet will be tested in random order by all participants.
Group II: High dietary saltExperimental Treatment1 Intervention
High salt diet will be tested in random order by all participants.

Find a Location

Who is running the clinical trial?

San Diego State UniversityLead Sponsor
152 Previous Clinical Trials
86,305 Total Patients Enrolled
Connie Weaver, PhDPrincipal InvestigatorSan Diego State University
4 Previous Clinical Trials
143 Total Patients Enrolled

Media Library

High dietary salt Clinical Trial Eligibility Overview. Trial Name: NCT05537857 — N/A
Healthy Subjects Research Study Groups: High dietary salt, Low Dietary salt
Healthy Subjects Clinical Trial 2023: High dietary salt Highlights & Side Effects. Trial Name: NCT05537857 — N/A
High dietary salt 2023 Treatment Timeline for Medical Study. Trial Name: NCT05537857 — N/A

Frequently Asked Questions

These questions and answers are submitted by anonymous patients, and have not been verified by our internal team.

What is the census of participants in this clinical experiment?

"Affirmative. According to information found on clinicaltrials.gov, this medical trial is currently recruiting individuals and was initially posted on March 1st 2023 before being updated last June 15th 2023. A total of 76 patients are required from a single location."

Answered by AI

Are there vacancies available for new participants in this clinical research project?

"Affirmative. According to the clinicaltrials.gov listing, this medical investigation is currently seeking study participants; it was originally posted on March 1st 2023 and last edited on June 15th 2023. 76 individuals must be recruited from a single research centre."

Answered by AI

Could I be included in the study's research cohort?

"This clinical trial is currently enrolling up to 76 individuals who are of sound health and between 18-50 years old."

Answered by AI

Is the age for participation in this trial flexible to include people over 45?

"This particular medical trial is only open to participants between the ages of 18-50. However, there are other trials available for those under 18 and over 65 years old; 55 studies catered towards minors and 364 dedicated to seniors."

Answered by AI

Who else is applying?

What site did they apply to?
San Diego State University
What portion of applicants met pre-screening criteria?
Met criteria
~50 spots leftby Aug 2026