Any placebo controlled trial of riluzole would surely be unethical now.
Ford
M
M
Leperlier
C
C
D000690:Amyotrophic Lateral Sclerosis / Q000188:drug therapy*; D004992:Ethics, Medical; D006801:Humans; D018696:Neuroprotective Agents / Q000627:therapeutic use*; D010919:Placebos; D012107:Research Design; D019782:Riluzole / Q000627:therapeutic use*
D018696:Neuroprotective Agents; D010919:Placebos; D019782:Riluzole