{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,12]],"date-time":"2026-01-12T11:27:19Z","timestamp":1768217239799,"version":"3.49.0"},"reference-count":58,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,1,12]],"date-time":"2026-01-12T00:00:00Z","timestamp":1768176000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Psychol."],"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>\n                      To address the severe treatment gap in persons with schizophrenia spectrum disorders (SSD), this study aims to examine the usability of and satisfaction with a novel and initial mHealth application (KisoLight\n                      <jats:sub>App<\/jats:sub>\n                      ) for SSD in Germany. The app is designed as a stand-alone tool that offers specific features such as symptom monitoring, medication adherence, and activity planning.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Method<\/jats:title>\n                    <jats:p>\n                      Within a single-arm usability trial,\n                      <jats:italic>N<\/jats:italic>\n                      \u202f=\u202f19 participants engaged with the app over 2\u202fweeks and completed baseline and post-engagement assessments. Quantitative and qualitative measures were included to assess feedback for the continuous development of the Kiso\n                      <jats:sub>App<\/jats:sub>\n                      .\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The majority of participants engaged with the app regularly (\n                      <jats:italic>n<\/jats:italic>\n                      \u202f=\u202f17 [89.50%], multiple times per week or daily). Descriptive results indicate a high usability and satisfaction with the app. Although a few unserious unwanted events (UEs) were reported, there were no serious UEs or adverse treatment reactions (ATR), indicating the safety of the app.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>\n                      The KisoLight\n                      <jats:sub>App<\/jats:sub>\n                      for persons with SSD seem to be a safe, usable, and satisfying tool for supporting the addressed population. Future studies should examine an enhanced version of the app within a randomized controlled trial, including a larger sample size and additional therapeutic features.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.3389\/fpsyg.2025.1727156","type":"journal-article","created":{"date-parts":[[2026,1,12]],"date-time":"2026-01-12T08:13:12Z","timestamp":1768205592000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Development of a supportive mHealth device for persons with schizophrenia spectrum disorders (KisoLightApp): a usability study within a participant-involvement principle"],"prefix":"10.3389","volume":"16","author":[{"given":"Laura","family":"F\u00e4ssler","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Balahan","family":"Ers\u00f6z","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Inge","family":"Hahne","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sarah","family":"Koop","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kerem","family":"B\u00f6ge","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1965","published-online":{"date-parts":[[2026,1,12]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","first-page":"1436","DOI":"10.1093\/schbul\/sbae031","article-title":"Adverse events reporting in digital interventions evaluations for psychosis: a systematic literature search and individual level content analysis of adverse event reports","volume":"50","author":"Allan","year":"2024","journal-title":"Schizophr. 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