NORTH CHICAGO, Ill., Feb. 24, 2021 /PRNewswire/ — AbbVie (NYSE: ABBV) today announced that the U.S. Food and Drug Administration (FDA) approved Humira (adalimumab) for the treatment of moderately to severely active ulcerative colitis in pediatric patients 5 years of age and older. In clinical trials, Humira induced clinical remission…