A Study of the Safety and Efficacy of Golimumab in Subjects With Active Ankylosing Spondylitis

100 mg sc injections every 4 wks from wk 0 up to 5 yrs

SC injections every 4 wks thru wk 20 (unless early escape at wk 16);golimumab - if early escape, 50mg sc inj every 4wks from wk 16 up to 5yrs ;golimumab -50mg sc injection beginning wk 24 up to 5 yrs (unless early escape); golimumab- Dr's discretion after unblinding, dose adjust from 50 to 100mg

50 mg sc injs every 4wks from wk 0 thru 5yrs (unless early escape at wk 16); golimumab - If early escape, 100mg sc injections every 4 wks beginning wk 16 up to 5 yrs ; golimumab - Dr's discretion after unblinding, dose adjust from 50 to 100mg