NEW YORK (Reuters Health)—Tabalumab, a monoclonal antibody to B-cell activating factor, was modestly better than placebo in relieving symptoms of systemic lupus erythematosus (SLE), according to results from the ILLUMINATE-2 trial. “Lupus is a complicated disease that does not behave the same way in all patients who share the clinical symptoms,” Dr. Joan T. Merrill…