<?xml version='1.0' encoding='UTF-8'?><xml><records><record><source-app name="HighWire" version="7.x">Drupal-HighWire</source-app><ref-type name="Journal Article">17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">RADES, DIRK</style></author><author><style face="normal" font="default" size="100%">DZIGGEL, LIESA</style></author><author><style face="normal" font="default" size="100%">NARVAEZ-WOLF, CARLOS A.</style></author><author><style face="normal" font="default" size="100%">RADTKE, MAIKE</style></author><author><style face="normal" font="default" size="100%">STAACKMANN, CHRISTIAN</style></author><author><style face="normal" font="default" size="100%">HOLM, HANNE SPANGSBERG</style></author><author><style face="normal" font="default" size="100%">KRISTIANSEN, CHARLOTTE</style></author></authors><secondary-authors></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Usability of a Reminder App that May Help to Reduce Radiotherapy-related Skin Toxicity in Patients With Breast Cancer</style></title><secondary-title><style face="normal" font="default" size="100%">In Vivo</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2026</style></year><pub-dates><date><style  face="normal" font="default" size="100%">2026-05-01 00:00:00</style></date></pub-dates></dates><pages><style  face="normal" font="default" size="100%">1768-1775</style></pages><doi><style  face="normal" font="default" size="100%">10.21873/invivo.14329</style></doi><volume><style face="normal" font="default" size="100%">40</style></volume><issue><style face="normal" font="default" size="100%">3</style></issue><abstract><style  face="normal" font="default" size="100%">Background/Aim: Patients irradiated for breast cancer may experience acute skin toxicity. To reduce this risk, a mobile application was created which reminds patients to carry out skin care. Before using this app in patients, a pre-study evaluating its usability in healthy volunteers was required.Patients and Methods: In this prospective study, 30 healthy volunteers from Germany and Denmark were asked to test the app and complete a questionnaire including ten statements (“yes or “no”) in three sections.Results: Satisfaction rates (statements affirmed with “yes”) were 66.7% (18/27 participants) and 78.6% (22/28) in the section “download and installation”, and 100% (29/29) and 96.7% (29/30) in the section “navigation”. In the section “content/functions”, the six statements were addressed by 28-30 participants; satisfaction rates were 86.7% to 100% (median 96.5%). Dichotomous responses were supplemented by individual comments.Conclusion: This study revealed that the reminder app needed improvement before tested in patients and demonstrated the importance of a pre-study in healthy volunteers.</style></abstract></record></records></xml>