sentence1: Genentech Inc., the world's second-biggest biotechnology company, and Xoma Ltd. said their Rapitva drug failed to help patients with rheumatoid arthritis in a study.
sentence2: Genentech Inc., the world's second-largest biotechnology company, and Xoma Ltd. said they will terminate Phase II testing of their Raptiva rheumatoid-arthritis drug after finding no benefit for patients.