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Your journey
1What's a trial
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More info
You can access this
clinical trial
if you have
and you are
between 20 and 50
years old
This is an early phase trial to determine
the dosage and safety of the new treatment.
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The purpose

The purpose of this study is to determine if Omeprazole is affected by PA21.

Provided treatments

  • Drug: PA21 and Omeprazole with food
  • Drug: No PA21; Omeprazole with food
  • Drug: PA21 with food, Omeprazole 2hrs later

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: NCT01452906. The sponsor of the trial is Vifor Inc. and it is looking for 45 volunteers for the current phase.
Official trial title:
A Single-centre, Open-label, Three-period Study of the Pharmacokinetic Effect of PA21 on Omeprazole in Healthy Male and Female Adults