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Currently submitted to: JMIR Human Factors

Date Submitted: Apr 24, 2026

Warning: This is an author submission that is not peer-reviewed or edited. Preprints - unless they show as "accepted" - should not be relied on to guide clinical practice or health-related behavior and should not be reported in news media as established information.

A digital app-based intervention to reduce loneliness (platoniq): Results of a non-randomized pilot study

  • Silvan Hornstein; 
  • Jasmina Schmidt; 
  • Lara Sachs; 
  • Tobias Krieger; 
  • Daniel Stachnik; 
  • Ulrik Lueken

ABSTRACT

This letter summarizes the results of a single-armed pilot study evaluating a digital health intervention, reporting significantly reduced loneliness after 4 and 8 weeks. While these results are promising for the potential of digital app-based interventions to address loneliness, randomized trial designs are needed for more reliable evidence on the potential of app-based psychological loneliness interventions.


 Citation

Please cite as:

Hornstein S, Schmidt J, Sachs L, Krieger T, Stachnik D, Lueken U

A digital app-based intervention to reduce loneliness (platoniq): Results of a non-randomized pilot study

JMIR Preprints. 24/04/2026:99374

DOI: 10.2196/preprints.99374

URL: https://preprints.jmir.org/preprint/99374

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