Young adults with high blood pressure get new drug comparison
NCT ID NCT05370599
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This pilot study tested three common blood pressure medications—amlodipine, chlorthalidone, and losartan—in 36 young adults aged 18-40 with hypertension. Participants took the drugs at home and monitored their blood pressure regularly. The goal was to see which drug works best and how to improve home monitoring. The study was terminated early, so results are limited.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- amlodipine, chlorthalidone, or losartan (blood pressure medications)
- What this could lead to
- If successful, this trial could help identify which blood pressure drug works best for young adults and improve home monitoring strategies.
- What could go wrong
- This is a small, early pilot study that was terminated, so results may be limited and not generalizable. The drugs have known side effects like dizziness or electrolyte imbalances.
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
-
Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
-
36 people
The number who actually took part.
- Started
-
Apr 2022
- Finished
-
Jan 2026
- 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 to 40 years
- Sex
-
Anyone
- Healthy volunteers
-
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: * 18-40 years of age * Diagnosis of hypertension or receiving anti-hypertensive therapy OR Has clinical BP readings \>130/80 mmHg that would meet the definition of hypertension and have home BP readings \>=125/80 mmHg Exclusion Criteria: * are or are planning to become pregnant, due to inability to take multiple classes of anti- hypertensive agents * are marginally housed, due to concerns regarding routine follow-up * are actively participating in a different interventional trial that may affect blood pressure * are unwilling to consent to participate * institutionalized individuals or prisoners * are actively abusing illicit drugs or alcohol * have a history of poor or doubtful compliance (e.g., frequently missed appointments) * have cognitive impairment prohibiting participation in the study * History of allergy to any of the randomized medications * Serum potassium \>5.5 meq/L at the screening visit * BP \> 160/100 mmHg in clinic (stage II hypertension), regardless of whether patient is on therapy * eGFR \< 30 mL/min/1.73 m2
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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
-
University of California San Francisco
San Francisco, California, 94143, United States
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