New Drug Causes 20 Percent Weight Loss in Early Amgen Results – The New York Times By Weight Loss New Drug Causes 20 Percent Weight Loss in Early Amgen Results The New York Times Amgen says obesity drug caused up to 20% weight loss after a year, with no plateau CNBC Amgen’s weight-loss drug fails to impress in study; shares plunge Reuters Brought to you by Google News. Read the rest of the article here Facebook Twitter Pinterest