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Clinical Trial Summary

The objective of this observational study is to determine the incidence of response in patients with predictive factors of major clinical response in active ankylosing spondylitis (AS) in patients who start anti-tumor necrosis factor (anti-TNF) therapy and correlate these findings in patients who switch from one to another anti-TNF due to inefficacy under usual clinical practice conditions in Spain.


Clinical Trial Description

A sample size of 240 patients, 120 of them exposed and 120 not exposed to factors of response. Sample will be obtain from all the consecutive patients attending the rheumatology settings included in the study who fulfill the inclusion criteria ;


Study Design

Observational Model: Cohort, Time Perspective: Prospective


Related Conditions & MeSH terms


NCT number NCT00900796
Study type Observational
Source Pfizer
Contact
Status Completed
Phase N/A
Start date March 2009
Completion date May 2011

See also
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