{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,17]],"date-time":"2026-09-17T12:21:41Z","timestamp":1789647701792,"version":"4.0.0"},"reference-count":40,"publisher":"BMJ","issue":"12","license":[{"start":{"date-parts":[[2025,12,15]],"date-time":"2025-12-15T00:00:00Z","timestamp":1765756800000},"content-version":"unspecified","delay-in-days":14,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"name":"French League against cancer of Normandy"},{"name":"French Health Ministry","award":["AAP-P_24-17"],"award-info":[{"award-number":["AAP-P_24-17"]}]}],"content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Open"],"accepted":{"date-parts":[[2025,11,26]]},"published-print":{"date-parts":[[2025,12]]},"abstract":"<jats:sec>\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>Cancer-related cognitive impairment is frequently reported by patients with breast cancer after chemotherapy. These difficulties can hinder return to work. It is therefore particularly important to assess and manage these impairments, especially to facilitate employment. We propose the Cog-VR pilot study to assess patient adherence to a virtual reality (VR)-based cognitive rehabilitation programme to support employment.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods and analysis<\/jats:title>\n                    <jats:p>This prospective interventional pilot study aims to assess adherence to a VR-based cognitive rehabilitation programme in patients with breast cancer (n=23) treated by chemotherapy reporting cognitive complaints following cancer and its treatments. The programme consists of six\u2009weekly individual sessions (1\u2009hour\/week), including cognitive training, psychoeducation and VR immersion (10\u201315\u2009min). VR tasks train executive functions, attention, memory and processing speed. The primary endpoint is the programme adherence, defined as completing at least five out of six VR sessions, each lasting a minimum of 5\u2009min. The main secondary endpoints are objective cognitive tests and patient-reported outcomes (subjective cognitive functioning (Functional Assessment of Cancer Therapy\u2014Cognitive Scale), anxiety\/depression (Hospital Anxiety and Depression Scale) and fatigue (Functional Assessment of Chronic Illness Therapy\u2014Fatigue)) assessed before and after the programme. Furthermore, cyber sickness (Simulator Sickness Questionnaire) at each session, VR usability (System Usability Scale\u2014third session) and patient satisfaction to the programme will also be assessed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Ethics and dissemination<\/jats:title>\n                    <jats:p>The study was approved by the local ethics committee (French Ouest II personal protection committee no. ID RCB: 2023-A02163-42) on January 2024. It was validated by the review board of the participating center. An individual participant data-sharing statement is not planned. Written informed consent will be obtained from all patients before any study procedure. The results of this pilot study will be disseminated through peer-reviewed journals and conference presentations.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Trial registration number<\/jats:title>\n                    <jats:p>\n                      <jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"clintrialgov\" xlink:href=\"NCT06267014\">NCT06267014<\/jats:ext-link>\n                      .\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1136\/bmjopen-2025-112196","type":"journal-article","created":{"date-parts":[[2025,12,16]],"date-time":"2025-12-16T05:30:28Z","timestamp":1765863028000},"page":"e112196","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":1,"title":["Virtual reality-based cognitive rehabilitation programme to support employment in patients with breast cancer: protocol for the Cog-RV pilot 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