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Your journey
1What's a trial
4Get in touch
More info
You can access this
clinical trial
if you have
Smoking Cessation
and you are
between 18 and 75
years old
The primary goal of this phase is to monitor the long-term effects.
The treatment is already on the market.
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The purpose

This study is being conducted to assess varenicline and bupropion as aids to smoking cessation treatment in subjects with and without an established diagnosis of major psychiatric disorder and to characterize the neuropsychiatric safety profile (pre-specified adverse events (AEs) in both of these populations).

Provided treatments

  • Drug: Placebo
  • Drug: varenicline tartrate
  • Drug: bupropion hydrochloride
  • Drug: Nicotine Replacement Therapy Patch

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: NCT01456936. The sponsor of the trial is Pfizer and it is looking for 8144 volunteers for the current phase.
Official trial title:
A Phase 4, Randomized, Double-blind, Active And Placebo-controlled, Multicenter Study Evaluating The Neuropsychiatric Safety And Efficacy Of 12 Weeks Varenicline Tartrate 1mg Bid And Bupropion Hydrochloride 150mg Bid For Smoking Cessation In Subjects With And Without A History Of Psychiatric Disorders