I believe that when the Supreme Court handed down its decisions in 1997 in Washington v. Glucksberg and Vacca v. Quill, proponents of physician-assisted suicide (PAS) suffered a much greater setback than many of them are able or willing to admit.
Kamisar, Yale. "The Future of Physician-Assisted Suicide." Trial 34, no. 7 (1998): 48-53.