AzTrials
AzTrials

AnxietyPhase 3NCT00151450

Comparison of Pregabalin Versus Venlafaxine XR and Placebo in the Treatment of Generalized Anxiety Disorder

A Phase 3 study testing Pregabalin and Venlafaxine XR in people with Anxiety, run by Pfizer's Upjohn has merged with Mylan to form Viatris Inc. at 45 sites in 8 countries.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
Search all trials

Trial summary

The purpose of the study is to compare pregabalin to Venlafaxine XR and placebo in the treatment of generalized anxiety disorder. Read more about this study

Who is it for?
Ages 18 to 65 years
Conditions the study is for
Anxiety
What is being tested?
Pregabalin and Venlafaxine XR
How many people
390 participants
Where
45 sitesin 8 countries
Study dates
Mar 2005to Nov 2006
Phase
Phase 3
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 65 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Male and female outpatients with diagnosis of generalized anxiety disorder.

Who cannot join

  • Any serious or uncontrolled medical condition.
  • Current diagnosis of depression, dysthymia, obsessive-compulsive disorder.

Trial locations and contacts

45 sites in 8 countries.

45 sites in 8 countries

France11 sites
  • Pfizer Investigational Site

    Angoulême

  • Pfizer Investigational Site

    Arcachon

  • Pfizer Investigational Site

    Bully-les-Mines

  • Pfizer Investigational Site

    Cherbourg

  • Pfizer Investigational Site

    Élancourt

  • Pfizer Investigational Site

    Orvault

  • Pfizer Investigational Site

    Rennes

  • Pfizer Investigational Site

    Saint-André-de-Cubzac

  • Pfizer Investigational Site

    Savigny-sur-Orge

  • Pfizer Investigational Site

    Strasbourg

  • Pfizer Investigational Site

    Versailles

Other trials in France

Spain8 sites
  • Pfizer Investigational Site

    Alcalá de Henares, Madrid

  • Pfizer Investigational Site

    Barcelona

  • Pfizer Investigational Site

    Gandia, Valencia

  • Pfizer Investigational Site

    Langreo, Principality of Asturias

  • Pfizer Investigational Site

    Madrid

  • Pfizer Investigational Site

    Salamanca

  • Pfizer Investigational Site

    Vic, Barcelona

  • Pfizer Investigational Site

    Zamora

Other trials in Spain

Sweden7 sites
  • Pfizer Investigational Site

    Gothenburg

  • Pfizer Investigational Site

    Linköping

  • Pfizer Investigational Site

    Lund

  • Pfizer Investigational Site

    Malmö

  • Pfizer Investigational Site

    Stockholm

  • Pfizer Investigational Site

    Sundsvall

  • Pfizer Investigational Site

    Trollhättan

Other trials in Sweden

Netherlands6 sites
  • Pfizer Investigational Site

    Hoogvliet

  • Pfizer Investigational Site

    Huizen

  • Pfizer Investigational Site

    Losser

  • Pfizer Investigational Site

    Musselkanaal

  • Pfizer Investigational Site

    Oude Pekela

  • Pfizer Investigational Site

    Wildervank, Provincie Groningen

Other trials in Netherlands

Canada5 sites
  • Pfizer Investigational Site

    Gatineau, Quebec

  • Pfizer Investigational Site

    Hamilton, Ontario

  • Pfizer Investigational Site

    Kelowna, British Columbia

  • Pfizer Investigational Site

    Ottawa, Ontario

  • Pfizer Investigational Site

    Saint-Jean-sur-Richelieu, Quebec

Other trials in Canada

Italy4 sites
  • Pfizer Investigational Site

    Catania

  • Pfizer Investigational Site

    Città di Castello, Perugia

  • Pfizer Investigational Site

    Sassari

  • Pfizer Investigational Site

    Vicenza, Bassano DEL Grappa

Other trials in Italy

Belgium3 sites
  • Pfizer Investigational Site

    De Pinte

  • Pfizer Investigational Site

    Ghent

  • Pfizer Investigational Site

    Waregem

Other trials in Belgium

Ireland1 site
  • Pfizer Investigational Site

    Bray, County Wicklow

Other trials in Ireland

About this study

Official title: An 8-Week Multicenter, Randomized, Double-Blind, Placebo-Controlled, Flexible Dose Study Of Pregabalin (300-600 Mg/Day) And Venlafaxine XR (75-225 Mg/Day) For The Acute Treatment Of DSM-IV Generalized Anxiety Disorder In Outpatients

The purpose of the study is to compare pregabalin to Venlafaxine XR and placebo in the treatment of generalized anxiety disorder.

Conditions
Anxiety
Being tested
Pregabalin, Venlafaxine XR
Medical subject headings
Anxiety Disorders

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Evaluation of the efficacy of pregabalin and Venlafaxine XR in the treatment of generalized anxiety disorder.

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted9 Sep 2005 (estimated)
  2. Study startMar 2005
  3. Study completionNov 2006

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Double blind
Enrolment
390 participants
IDs, dates and publications
ClinicalTrials.gov ID
NCT00151450
Sponsor's protocol ID
A0081012
Status last verified
Mar 2008
First submitted
7 Sep 2005
Last updated
22 Jan 2021
Results posted
No

Publications

  • Kasper S, Herman B, Nivoli G, Van Ameringen M, Petralia A, Mandel FS, Baldinetti F, Bandelow B. Efficacy of pregabalin and venlafaxine-XR in generalized anxiety disorder: results of a double-blind, placebo-controlled 8-week trial. Int Clin Psychopharmacol. 2009 Mar;24(2):87-96. doi: 10.1097/yic.0b013e32831d7980.

    PubMed 21456104

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing Pregabalin and Venlafaxine XR in people with Anxiety, run by Pfizer's Upjohn has merged with Mylan to form Viatris Inc. at 45 sites in 8 countries.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 1 inclusion and 2 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 22 Jan 2021. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 45 sites in France, Spain, Sweden, Netherlands, Canada and 3 more countries. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Evaluation of the efficacy of pregabalin and Venlafaxine XR in the treatment of generalized anxiety disorder.. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00151450, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 22 Jan 2021.

Free account

Log in to keep searching

You’ve used your 3 free searches. AzTrials is free: log in or create a free account to keep searching clinical trials and save the ones you want to follow.

Create a free accountLog in