According to a survey conducted by the Association for Clinical Oncology, the majority of respondents (96%) said prior authorization has led to delays in cancer treatment, with 80% claiming prior authorization has enabled disease progression, and 36% of them saying prior authorization has led to patient deaths. 300 ASCO members who work in academic or university (29%) settings, private practice (34%), or community or hospital-based health network/systems (35%), completed the survey.