Experimental arm: standard support plus WEBAPPAC web-application
pain, fatigue, anxiety
Patients randomized in the experimental arm will receive information in the same way as patients in the standard arm, and will be planned the same number of appointments at the center.The web-application will be installed on the patients’ smartphone after randomization, and links to install it on other devices will be sent them by email with instructions. Patients will be trained on the devices by breast nurses immediately after the randomization, a help paper booklet will be given to them and will be also available online.A phone call will be made 15 days after this training to check the patient’s ability to master the tool.The patient will be free to log in the web-application at any time to get advice, recommendations and to track her side effects. In addition, the patient will be sent a notification every 15 days for the first 3 months, and then once a month to invite her to report any symptoms (fatigue, anxiety, pain, presence and intensity of hot flashes and sexual problems).As part of the protocol, patients will be reminded (via SMS, and/or email) to complete Patient-Reported Outcomes via the web-application:
6 weeks and 3 months after hormone therapy start.one week before the consultation with the oncologist, planned 6 and 18 months after the hormone therapy start.