Patienter, der vedligeholdt ≥PASI- 75 - respons ved uge 33, og som oprindeligt var randomiseret til aktiv behandling i periode A, blev randomiseret igen i periode C til at modtage 40 mg Humira hver anden uge eller placebo i yderligere 19 uger.
Patients who maintained ≥ PASI 75 response at Week 33 and were originally randomised to active therapy in Period A, were re-randomised in period C to receive 40 mg Humira every other week or placebo for an additional 19 weeks.