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Simple salt swap could save hearts: community health workers deliver Low-Sodium salt in bangladesh

NCT ID NCT05425030

Disease control Sponsor: Stanford University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This completed trial tested whether giving a low-sodium salt substitute to 309 households in rural Bangladesh could lower blood pressure. Community health workers delivered the salt and provided education on high blood pressure and salt intake. The study measured changes in blood pressure after 6 months in adults aged 18 and older.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Low-sodium salt substitute (Tata SuperLite, with potassium chloride)
What this could lead to
If it works, this could offer a simple, low-cost way to help people lower their blood pressure and reduce the risk of heart attacks and strokes.
What could go wrong
This is a completed trial, but results are not yet widely known. The effect may be small or not last long, and the approach may not work in other regions or populations.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

618 people

The number who actually took part.

Started

Jan 2023

Finished

Dec 2024

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Our target population is that of adults living in rural Bangladesh, while our study population will be comprised of adults (age ≥18 years old) living in Parbatipur, a rural/semi-rural sub-district in Dinajpur District (Rangpur Division), in the north of the country. Within Parbatipur, BRAC University has assessed 700 households for NCD risk factors as part of a larger Wellcome-trust funded multinational biobank (involving those living in Bangladesh, India, Pakistan, and Sri Lanka) to better understand the patterns and determinants of cardiovascular health in South Asian people in a cross-sectional analysis. All adults living in these surveyed households will be eligible to participate. Exclusion Criteria: * Exclusion criteria include subjects taking potassium-sparing diuretics, already taking potassium supplements, or those who have known kidney disease at baseline. * All adults initially screened for intervention will undergo serum creatinine testing, with those with values \>106 mMol/L for males and \>97 mMol/L for female excluded from the intervention but kept in the intervention group by intention-to-treat principles to avoid breaking of randomization. * Although minors will not be involved in the study, to avoid spillover injury to children in the intervention households, all members of intervention households under the age of 18 will also undergo urine dipstick testing. If proteinuria is detected, the household will be excluded from receiving the LSSS intervention (but followed in the intervention arm to avoid breaking randomization).

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Conditions

The condition(s) this trial relates to.

hypertensive disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Blood pressure Hypertension

Contacts and locations

Locations

  • BRAC University, James P Grant School of Public Health

    Dhaka, Mohakhali, 68 Tajuddin Sarani, Bangladesh

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