<prompt> Anti-TNF alpha drugs are used for the treatment of all of following diseases exceptSystemic lupus erythematosisSeronegative arthritisPsoriatic arthritisCrohns disease  <response>: Ans. A Systemic lupus erythematosusRef: Harrison 17e p2039; KDT 8e p943There is already under-expression of TNF-a in SLE, therefore we cannot use anti-TNF drugs for this condition. It is further strengthened by the fact that anti-TNF alpha drugs like infliximab cause SLE as the adverse effect.Indications for TNF-a inhibitorsRheumatoid arthritisJuvenile arthritisPsoriatic arthritisPsoriasisAnkylosing spondylitisCrohns disease 