title: New CCR5 antagonist enters phase II trials. Drug would be first-line therapy.
mesh_terms: D019380:Anti-HIV Agents / Q000627:therapeutic use*; D065100:CCR5 Receptor Antagonists; D017322:Clinical Trials, Phase II as Topic; D015658:HIV Infections / Q000188:drug therapy*; D006801:Humans; D010879:Piperazines / Q000627:therapeutic use*; D011743:Pyrimidines / Q000627:therapeutic use*
chemical_list: D019380:Anti-HIV Agents; D065100:CCR5 Receptor Antagonists; D010879:Piperazines; D011743:Pyrimidines; C486781:vicriviroc