Study Comparing Etanercept 50 mg Once Weekly to 25 mg Twice Weekly in Patients With Ankylosing Spondylitis

January 4, 2007 updated by: Wyeth is now a wholly owned subsidiary of Pfizer

A Randomized, Double-Blind, Placebo Controlled Trial Evaluating the Safety and Efficacy of Etanercept 50 mg Once Weekly Compared With 25 mg Twice Weekly in Subjects With Ankylosing Spondylitis

The purpose of this study is to compare efficacy, pharmacokinetics, and safety of investigational formulations of etanercept administered as 50 mg once weekly with 25 mg twice weekly and placebo in patients with ankylosing spondylitis (AS).

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment

350

Phase

  • Phase 3

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 70 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Diagnosis of AS, as defined by Modified New York Criteria for Ankylosing Spondylitis.
  • Active AS, defined by average of visual analog scale (VAS) of ≥ 30 for duration and intensity of morning stiffness and at least 2 of the following: VAS for patient global assessment ≥ 30; average of VAS for nocturnal and total pain ≥ 30; BASFI ≥ 30 (all scores on a scale of 0 to 100).

Exclusion Criteria:

  • Complete ankylosis (fusion) of spine.
  • Previous treatment with etanercept, antibody to Tumor Necrosis Factor α (TNFα), or other TNFα inhibitors or other biologic agents.
  • Use of disease modifying antirheumatic drugs (DMARDs) other than hydroxychloroquine, sulphasalazine, and methotrexate within 4 weeks of baseline. Subjects treated with hydroxychloroquine, sulphasalazine, and methotrexate may continue these drugs during this study but doses must be held stable for 4 weeks before baseline examination and for the duration of the study.
  • Receipt of multiple nonsteroidal anti-inflammatory drugs (NSAIDs) at baseline.
  • Dose of NSAID changed within 2 weeks of baseline evaluation.
  • Dose of prednisone >10 mg/day (or equivalent) or changed within 2 weeks of baseline evaluation.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Double

What is the study measuring?

Primary Outcome Measures

Outcome Measure
The primary objective is to assess the efficacy (measured by % of subjects achieving ASAS 20 (Assessments in Ankylosing Spondylitis 20%) at week 12) and safety of etanercept 50 mg once weekly.

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Wyeth is now a wholly owned subsidiary of Pfizer

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

June 1, 2004

Study Completion

February 1, 2005

Study Registration Dates

First Submitted

January 4, 2007

First Submitted That Met QC Criteria

January 4, 2007

First Posted (Estimate)

January 5, 2007

Study Record Updates

Last Update Posted (Estimate)

January 5, 2007

Last Update Submitted That Met QC Criteria

January 4, 2007

Last Verified

January 1, 2007

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 0881A3-314

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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