SalT Supplementation in Older Adults With Orthostatic Intolerance

Status Not yet recruiting

Clinical Trial Summary

Background Orthostatic hypotension (OH) is a common cause of falls, and key source of morbidity and mortality due to injury (e.g. hip fracture). Current guidelines recommend increasing salt intake in patients with symptomatic orthostatic hypotension. However, the evidence underpinning this recommendation is poor, based primarily on small trials with very short-term follow-up (< 6 weeks). Clinical Equipoise (Overall) High salt intake might improve quality of life and reduce the risk of falls, but might also increase the risk of cardiovascular disease, in patients with OH. Specific Objective of Current Application (Aim) To determine feasibility (recruitment, retention and adherence) of conducting a randomized controlled trial evaluating high salt intake in older adults with symptomatic orthostatic hypotension. To determine preliminary estimates of the effect of high salt intake on disease-specific quality of life, orthostatic blood pressure (BP) parameters, and cardiac blood biomarkers. Design: Phase IIa, parallel, double-blind, randomised controlled, single centre clinical trial of 12 month follow-up duration. Population: Older adults (≥65 years of age) with an objective diagnosis of symptomatic orthostatic hypotension Intervention: The intervention will be 5g/day of salt supplementation in the form of encapsulated sodium chloride. Outcome measures: Primary outcome (Feasibility) recruitment and retention rates, adherence with intervention and study protocol, completeness of follow-up. Secondary Outcome (Efficacy): i) clinical: change in Orthostatic Hypotension Questionnaire score, modification/addition of OH pharmacotherapy, and falls events, ii) physiological measures of orthostasis: change in difference between supine and nadir systolic BP, standing BP at 1 minute, 24 hour mean BP measured by 24 hour ambulatory BP monitor, iii) cardiovascular biomarkers. Clinical Importance: A recommendation for long-term increases in salt intake may have adverse cardiovascular consequences, which necessitates the identification of the optimal range of salt intake associated with greatest reduction in falls risk and lowest cardiovascular risk. Our study will provide preliminary evidence of treatment effect and assess feasibility, to inform a definitive trial.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT06188663
Study type	Interventional
Source	University of Galway
Contact	Catriona Reddin
Phone	086-1438101
Email	catriona.reddin@universityofgalway.ie
Status	Not yet recruiting
Phase	Phase 2
Start date	March 2024
Completion date	September 2026

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

SalT Supplementation in Older Adults With Orthostatic Intolerance Disorders — STOOD

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms