Could cutting salt after childbirth tame dangerous blood pressure?
NCT ID NCT07752056
First seen Aug 07, 2026 · Last updated Aug 13, 2026 · Updated 2 times
Summary
This trial tests whether a low-sodium diet can improve blood pressure control in people who had a hypertensive disorder of pregnancy. Participants receive either a provided diet with less than 2000 mg of sodium per day or a standard diet with no salt restrictions for the first week after delivery. The study measures blood pressure on days 3 and 7, and tracks hospital readmissions within 30 days. The goal is to see if a simple dietary change can reduce the risks associated with postpartum hypertension.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- A provided low-sodium diet (less than 2000 mg of sodium per day) for 7 days after delivery
- What this could lead to
- If effective, this diet could become a simple, drug-free way to lower blood pressure after childbirth and reduce hospital readmissions for hypertension.
- What could go wrong
- This is a small, early-stage trial, and the diet is only provided for one week. The effect on long-term blood pressure or readmissions may be limited, and adherence to the diet could be challenging.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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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
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About 110 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Sep 2026
An estimate. Start dates often move.
- Expected to finish
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Dec 2027
An estimate. End dates often move.
- Lead sponsor
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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
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18 years and older
- Sex
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Female participants only
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Adults \> 18 years of age * Singleton pregnancy * Diagnosis of HDP at or beyond 34 weeks' gestation (gestational hypertension, pre-eclampsia, pre-eclampsia with severe features, chronic hypertension with superimposed pre-eclampsia) * Agree to remote BP monitoring after hospital discharge * English or Spanish as primary language Exclusion Criteria: * Multiple gestations * Pre-existing renal or cardiac disease, liver failure * Pre-existing condition in which salt restriction is not advised (SIADH, Addison's Disease, cystic fibrosis, chronic diarrhea, presence of ileostomy) * Dietary restrictions: vegetarian, gluten-free, lactose-free, Kosher, severe food allergies, among others
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
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The official record
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A doctor treating you
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