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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 18 and 55
years old
This is an early phase trial to determine
the dosage and safety of the new treatment.
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The purpose

This study is designed to observe the safety and concentrations of PF-05297909 and proteins in both blood and cerebrospinal fluid after a single dose of PF-05297909 in healthy adults.

Provided treatments

  • Drug: PF-05297909 25 mg
  • Drug: PF-05297909 100 mg
  • Drug: PF-05297909 250 mg
  • Drug: PF-05297909 525 mg
  • Drug: PF-05297909 525 mg

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: NCT01462851. The sponsor of the trial is Pfizer and it is looking for 51 volunteers for the current phase.
Official trial title:
A Phase 1, Randomized Investigator-And-Subject-Blind, Sponsor Open, Placebo Controlled Two-Part Study To Characterize The Pharmacokinetics And Pharmacodynamics Of Single Doses Of Pf-05297909 In Healthy Adult Subjects