Tramadol Completed Phase 4 Trials for Ankylosing Spondylitis (AS) Health Services Research

Indications	Status	Purpose	Phase
DBCOND0046486 (Ankylosing Spondylitis (AS))	Completed	Health Services Research	4

clinicaltrials.gov Identifier	Title	Drugs
NCT00647517	Tramadol/Acetaminophen(Ultracet) AS add-on Therapy in the Treatment of Patients With Ankylosing Spondylitis	Acetaminophen (DB00316) Tramadol (DB00193)