OBJECTIVES: I. Assess the safety and efficacy of olsalazine, a dimer of 5-aminosalicylic acid, in men with ankylosing spondylitis unresponsive to nonsteroidal anti-inflammatory drugs and physiotherapy.
PROTOCOL OUTLINE: Patients are treated with daily olsalazine. The dose is increased each week until the protocol dose is reached. Supplemental acetaminophen is allowed; nonsteroidal anti-inflammatory drugs continue unchanged. Concurrent sulfasalazine is prohibited.
Study Type
INTERVENTIONAL
Purpose
TREATMENT
Enrollment
4
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