Conditions: Ankylosing Spondylitis
Allocation: RANDOMIZED | Intervention model: PARALLEL
Enrollment: 240
Healthy volunteers: no

Brief summary:
This is a local, multicenter, randomized, active comparator, double-blind, parallel group study with extension will be conducted to evaluate the efficacy and safety of celecoxib versus diclofenac SR in the treatment of Chinese patients with Ankylosing Spondylitis (AS).

Detailed description:

Arms:
arm 1: None arm 2: None

Interventions: intervention 1: Celecoxib intervention 2: Diclofenac SR
Intervention descriptions: intervention 1: capsule, 200 mg QD, 6-12 weeks intervention 2: tablet, 75 mg QD,6-12 weeks

Protocol document: