Association Between Purchase of Over-the-Counter Medications and Ovarian Cancer Diagnosis in the Cancer Loyalty Card Study (CLOCS): Observational Case-Control Study

• Main Authors: Hannah R Brewer (Author), Yasemin Hirst (Author), Marc Chadeau-Hyam (Author), Eric Johnson (Author), Sudha Sundar (Author), James M Flanagan (Author)
• Format: Book
• Published: JMIR Publications, 2023-01-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

BackgroundOver-the-counter (OTC) medications are frequently used to self-care for nonspecific ovarian cancer symptoms prior to diagnosis. Monitoring such purchases may provide an opportunity for earlier diagnosis. ObjectiveThe aim of the Cancer Loyalty Card Study (CLOCS) was to investigate purchases...