Can a Low-Carb diet beat high blood pressure in african americans?
NCT ID NCT04230928
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This completed pilot study tested whether a very low-carbohydrate diet could lower blood pressure in 64 lower-income African American adults with high blood pressure. Participants followed either a low-carb or standard low-fat diet for 10 months. Researchers measured changes in blood pressure, blood sugar, and cholesterol to see which diet worked better.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- very low carbohydrate diet
- What this could lead to
- If it works, this could point toward a simple dietary approach to help lower blood pressure in a high-risk community.
- What could go wrong
- This is a small pilot study with only 64 participants, so results may not apply to everyone. Dietary changes can be hard to stick with long-term.
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
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64 people
The number who actually took part.
- Started
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Mar 2020
- Finished
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Jun 2023
- 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 to 74 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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: * 1\) men and women aged ≥ 18 years * 2\) willingness to participate in a 10-month study * 3\) systolic blood pressure \> 120 mm/Hg +/- diastolic blood pressure \> 80 mm/Hg * 4\) African American race Exclusion Criteria: * 1\) diagnosed congestive heart failure * 2\) Hypertension stage 4 or higher (e.g., SBP \>180 mm/Hg; DBP \> 110 mm/Hg) * 3\) received or needing more than 3 anti-hypertensive medications * 4\) pregnant or planning to become pregnant * 5\) receiving or needing a heart transplant * 6\) Using injected long or short-acting insulin for diabetes treatment * 7\) not African American race * 8\) unable to speak and read English with fluency
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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.
Contacts and locations
Locations
-
Baylor Research Institute
Dallas, Texas, 75210, United States
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