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NCT05558267 | Not yet recruiting | End Stage Kidney Disease


Potassium Containing Salt-Substitute in Hemodialysis-Dependent End Stage Kidney Disease
Sponsor:

NYU Langone Health

Brief Summary:

16 individuals with hemodialysis-dependent end stage kidney disease will receive 16 days of a potassium-containing salt-substitute and 16 days of standard table salt in random order. There will be a 19 day wash out period between the salt-substitute and table salt periods. Potassium concentration will be measured bi-weekly prior to HD each week during intervention. The primary endpoint will be the change in potassium from baseline. Additional measurements will include assessment of dietary intake, ambulatory blood pressure, occurrence of peri-dialytic symptoms, and per-dialytic vital signs.

Condition or disease

End Stage Kidney Disease

Intervention/treatment

Standard Table Salt

Salt Substitute

Phase

Not Applicable

Study Type : Interventional
Estimated Enrollment : 20 participants
Masking : Double
Primary Purpose : Prevention
Official Title : A Randomized, Pilot, Double-Blind Crossover Trial of a Potassium Containing Salt-Substitute in Hemodialysis-Dependent End Stage Kidney Disease
Actual Study Start Date : March 29, 2024
Estimated Primary Completion Date : January 15, 2025
Estimated Study Completion Date : March 1, 2025
Arm Intervention/treatment

Experimental: Standard Table Salt, then Salt Substitute

The two intervention periods will last 16 days with a 19-day washout period in between. During the first 16-day treatment period, participants will receive the Standard Table Salt to use for cooking and as an additive at the table. Participants will then undergo a 19-day washout period. The second 16-day treatment period will immediately follow the washout period. During the second 16-day treatment period, participants will receive the Salt Substitute to use for cooking and as an additive at the table. Participants will be encouraged to replace their use of regular salt with the Standard Table Salt and Salt Substitute. They will be encouraged to reduce their overall intake of salt throughout the study period. There are no restrictions or further instructions regarding timing or dosing. In addition, participants will undergo standard of care hemodialysis (typically 3x/week) and have their blood chemistries measured according to the usual standard of care during the study.

Dietary Supplement: Standard Table Salt

Dietary Supplement: Salt Substitute

Experimental: Salt Substitute, then Standard Table Salt

The two intervention periods will last 16 days with a 19-day washout period in between. During the first 16-day treatment period, participants will receive the Salt Substitute to use for cooking and as an additive at the table. Participants will then undergo a 19-day washout period. The second 16-day treatment period will immediately follow the washout period. During the second 16-day treatment period, participants will receive the Standard Table Salt to use for cooking and as an additive at the table. Participants will be encouraged to replace their use of regular salt with the Standard Table Salt and Salt Substitute. They will be encouraged to reduce their overall intake of salt throughout the study period. There are no restrictions or further instructions regarding timing or dosing. In addition, participants will undergo standard of care hemodialysis (typically 3x/week) and have their blood chemistries measured according to the usual standard of care during the study.

Dietary Supplement: Standard Table Salt

Dietary Supplement: Salt Substitute

Ages Eligible for Study: 21 Years
Sexes Eligible for Study: All
Accepts Healthy Volunteers: No
Criteria
Inclusion Criteria
  • Receiving outpatient maintenance HD therapy.
  • Age ≥ 21 years.
  • Negative serum pregnancy test for women of child-bearing capacity. Childbearing capacity will be defined by report of menstruation within ≤ 6 months.
Exclusion Criteria
  • Currently incarcerated.
  • Insufficient capacity for informed consent.
  • Non-hemolyzed serum potassium concentration >6.0 mEq/L within ≤30 days.
  • Unscheduled HD for hyperkalemia within ≤30 days.
  • Attendance at ≤10 of last 13 scheduled OP HD sessions.
  • Co-habiting family member with known hyperkalemia.
  • Co-habiting family with ≥stage 3b chronic kidney disease or chronic kidney disease of unknown severity.
  • Hemoglobin < 8.0 mg/dL.
  • Use of other potassium supplements.

Potassium Containing Salt-Substitute in Hemodialysis-Dependent End Stage Kidney Disease

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Potassium Containing Salt-Substitute in Hemodialysis-Dependent End Stage Kidney Disease

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Locations


Not yet recruiting

United States, New York

NYU Langone Health

New York, New York, United States, 10016

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