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Ankylosing Spondylitis and Spondyloarthritis Evaluation Tool Study

This study has been completed.
University of California, San Francisco
Oregon Health and Science University
Cedars-Sinai Medical Center
Information provided by (Responsible Party):
Eswar Krishnan, Stanford University Identifier:
First received: February 22, 2011
Last updated: November 6, 2013
Last verified: November 2013
This study aims to test whether a new instrument (questionnaire) is useful for identifying patients with ankylosing spondylitis.

Ankylosing Spondylitis

Study Type: Observational
Study Design: Time Perspective: Prospective
Official Title: A Self-Administered Questionnaire for Early Detection of Axial Spondyloarthritis

Resource links provided by NLM:

Further study details as provided by Eswar Krishnan, Stanford University:

Primary Outcome Measures:
  • Physician diagnosis of Ankylosing Spondylitis [ Time Frame: 6 months ]

Enrollment: 490
Study Start Date: April 2011
Study Completion Date: November 2013
Primary Completion Date: March 2012 (Final data collection date for primary outcome measure)

Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population
All patients referred to rheumatologist office will be potentially eligible.

Inclusion Criteria:

  • Ability to provide informed consent

Exclusion Criteria:

  • Inability to provide informed consent
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT01302730

United States, California
Stanford University
Stanford, California, United States, 94304
Sponsors and Collaborators
Stanford University
University of California, San Francisco
Oregon Health and Science University
Cedars-Sinai Medical Center
Principal Investigator: Eswar Krishnan Stanford University
  More Information

Responsible Party: Eswar Krishnan, ASSISTANT PROFESSOR, Stanford University Identifier: NCT01302730     History of Changes
Other Study ID Numbers: STANIRB-20278
Study First Received: February 22, 2011
Last Updated: November 6, 2013

Keywords provided by Eswar Krishnan, Stanford University:
ankylosing spondylitis
inflammatory back pain

Additional relevant MeSH terms:
Spondylitis, Ankylosing
Bone Diseases, Infectious
Bone Diseases
Musculoskeletal Diseases
Spinal Diseases
Joint Diseases
Arthritis processed this record on May 25, 2017