Ustekinumab for the Treatment of Patients With Active Ankylosing Spondylitis

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

22 participants

Study Classification

INTERVENTIONAL

Study Start Date

2011-10-31

Study Completion Date

2013-05-31

Brief Summary

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This study is aimed at investigation of efficacy and safety of ustekinumab (monoclonal antibody against interleukin 12 and 23) treatment in patients with active ankylosing spondylitis (AS) fulfilling the modified New York criteria who have had an inadequate response to standard therapy with non-steroidal anti-inflammatory drugs (NSAIDs) or do not tolerate or have a contraindication for NSAIDs.

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Detailed Description

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This study is a prospective, open-label, proof-of-concept clinical trial that will be conducted in a referral center for patients with AS in Berlin. Eligible patients will be treated with ustekinumab 90 mg given subcutaneously at weeks 0, 4, and 16. The entire study period accounts 28 weeks. Assessment of the primary outcome parameter will be performed at week 24. The patients will be closely monitored throughout the study on a total of 9 visits.

Conditions

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Ankylosing Spondylitis

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Ustekinumab

Ustekinumab 90 mg subcutaneously at week 0, 4 and 16

Group Type EXPERIMENTAL

Ustekinumab

Intervention Type DRUG

Ustekinumab 90 mg given subcutaneously at weeks 0, 4, and 16

Interventions

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Ustekinumab

Ustekinumab 90 mg given subcutaneously at weeks 0, 4, and 16

Intervention Type DRUG

Other Intervention Names

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Stelara

Eligibility Criteria

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Inclusion Criteria

1. Age of ≥18 years.
2. Definite diagnosis of AS according to the modified New York criteria.
3. History of an inadequate response to ≥2 NSAIDs taken for at least 2 weeks each or NSAIDs intolerance/contraindication.
4. Active disease as defined by a BASDAI value of ≥4 at screening despite concomitant treatment with an NSAID or without NSAIDs in case of intolerance/contraindication.
5. Able and willing to give a written informed consent and comply with the requirements of the study protocol.
6. If female: either not of child-bearing potential (menopausal since 1 year or surgically sterile) or is willing and able to practice a reliable method of contraception.
7. If male: either not of child-bearing potential (surgically sterilized, e.g. vasectomy) or is willing and able to practice a reliable method of contraception.
8. If on NSAIDs: the dose must be stable for at least 2 weeks prior to baseline.
9. If on oral steroids: the dose must not exceed 10 mg (prednisolone equivalent) per day and must be stable for at least 4 weeks prior to baseline.
10. If on methotrexate: the dose must not exceed 25 mg per week and must be stable for at least 4 weeks prior to baseline, must be stable for 4 weeks prior to baseline.
11. If on analgesics: the dose must be stable for at least 2 weeks prior to baseline.

Exclusion Criteria

1. The female subject is pregnant or lactating.
2. Patients with other chronic inflammatory articular disease or systemic autoimmune disease.
3. History of inadequate response to previous anti-tumor necrosis factor (TNF) α therapy.
4. Previous treatment with biologics other than TNF α blockers.
5. Treatment with any other investigational drug within 4 weeks of 5 half-life of the drug (whichever is longer) prior to baseline.
6. Treatments with disease modifying anti-rheumatic drugs (DMARDs) other than methotrexate within 4 weeks prior to screening (8 weeks for leflunomide or 4 weeks with a standard cholestyramine wash-out).
7. Treatment with intravenous, intramuscular or intraarticular/periarticular steroids within 4 weeks prior to screening.
8. Any active current infection, a history of recurrent clinically significant infection, infections requiring treatment with antibiotics within 4 weeks prior to baseline.
9. Current clinical signs and symptoms suggestive for tuberculosis.
10. Positive interferon gamma release assay (IGRA) test at screening and/or abnormal chest x-ray (performed at screening or within 3 months prior to screening) suggestive for past or present tuberculosis (positive x-ray). Patients with a positive IGRA test but negative chest x-ray and without clinical symptoms suggestive for tuberculosis may participate in the study after initiation of standard prophylactic antimycobacterial treatment.
11. Chronic infection with hepatitis B or C, history of human immunodeficiency virus infection.
12. Primary or secondary immunodeficiency.
13. Actual malignancies or history of malignancies with curative treatment within 5 years prior to screening, except successfully treated non-metastatic squamous-cell or basal-cell carcinoma or carcinoma in situ of the cervix.
14. Evidence of severe uncontrolled gastrointestinal, hepatic, renal, pulmonary, cardiovascular, nervous or endocrine disorders.
15. Any other conditions making the patient unsuitable in the opinion of the investigator for the participation in the current study.
16. Patients with a history of a severe psychiatric illness, which might interfere with the patient's ability to understand the requirements of the study and assessment.
17. Diagnosis of fibromyalgia.
18. Alcohol abuse or illegal drug consume in the last 12 months.
19. Vaccination with a live vaccine within 12 weeks prior to baseline.
20. Known hypersensitivity to any component of the study medication.
21. Clinically significant laboratory abnormalities
22. Patients who are institutionalised due to regulatory or juridical order.
23. Patients with contraindications for the magnetic resonance imaging (MRI)

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No