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More info
You can access this
clinical trial
if you have
and you are
between 18 and 80
years old
This is a trial in the final phase before the treatment is released on the market.
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The purpose

The goal is to investigate in patients with high blood pressure, BP, namely, those with systolic blood pressure and diastolic blood pressure, SBP/DBP higher than or equal to 140/90 mmHg, and high cardiovascular risk, under treatment with low-dose acetylsalicylic acid, ASA, whether changing the time they take the drug (same dose) to bedtime (from taking it at some point during the active part of the day) produces a drop in their blood pressure (mean systolic and diastolic over 24 hours) of at least 2.5 mm Hg; and also whether among non-dippers, under secondary treatment with low-dose ASA, there is be a greater decrease in their night BP when the drug is taken in the evening.

Provided treatments

  • Drug: ASA evening
  • Drug: Acetylsalicylic morning
  • Drug: Placebos morning
  • Drug: Placebo evening

Locations near you

Unfortunately, there are no recruiting locations near you. Please check the list with all locations below.
Tris trial is registered with FDA with number: NCT01741922. The sponsor of the trial is Basque Health Service and it is looking for 230 volunteers for the current phase.
Official trial title:
Effectiveness of the Timing of the Administration of Aspirin in Hypertensive Patients Treated With Low Doses of Acetyl Salicylic Acid for Secondary Prevention - TAHPS