Study population
psychiatric, years• Breast cancer, breast cancer
BREAST CANCER
The WEBAPPAC study addresses breast cancer patient candidates to initiate an adjuvant hormone therapy. Eligibility criteria are presented in Table 
Eligibility criteria in the WEBAPPAC study• Patient aged ≥ 18 years• Breast cancer patient candidate for adjuvant hormone therapy• Proficiency in French language• Patient with a cell phone and an Internet connection• Patient able to use a computer, smartphone, or tablet.• Patient affiliated to a social security system• Patient who has previously received hormone therapy for cancer.• Patient not trained in the use of the application• Any medical or psychiatric condition that might compromise the patient’s ability to participate in the study• Patients with locoregional or metastatic recurrence• History of other cancer.• Patient deprived of liberty, under guardianship or curatorship• Simultaneous participation in a therapeutic clinical trial or other clinical study involving a connected tool• Patient unable to undergo trial follow-up for geographical, social or psychopathological reasons