Cosima Leithner, M.Sc.
Doctoral Student
Clinical Psychology and Psychological Treatment
Research Focus & Expertise
- Update and extension of the S3 guideline on post-traumatic stress disorder
- Meta-analyses on the effectiveness of psychotherapeutic and psychosocial interventions for post-traumatic stress disorder and their influencing factors
Publications
Schreyer, B., Leithner, C., Eilers, R., Gossmann, K., & Rosner, R. (2025). The effects of clinical supervision on supervisees and patient outcomes in psychotherapy: A systematic review and meta-analysis. Frontiers in Psychiatry, 16, 1705578. https://doi.org/10.3389/fpsyt.2025.1705578PDF (PDF, 1,923 KB)
Semmlinger, Verena, Leithner, Cosima, Klöck, Lea Maria, Ranftl, Lena, Ehring, Thomas, Schreckenbach, Monika, Prevalence and Predictors of Nonresponse to Psychological Treatment for PTSD: A Meta-Analysis, Depression and Anxiety, 2024, 9899034, 12 pages, 2024. https://doi.org/10.1155/2024/9899034
Academic Background
- 07/2025 – 12/2025
- Psychotherapist in training at KIRINUS Schlemmer Clinic, Bad Tölz
- Since 01/2024
- Clinical Training, specializing in behavioral therapy (CBT), at the KIRINUS CIP Academy
- 12/2023 – 01/2026
- Patient care and night duty in the residential group for children and adolescents at the Therapy Center for Eating Disorders (TCE)
- Since 10/2023
- Research assistant and doctoral candidate at the Chair of Clinical Psychology and Psychological Treatment, Ludwig-Maximilians-University Munich
- 04/2023 - 05/2023
- Clinical internship at the Therapy Center for Eating Disorders (TCE), Munich
- 09/2022 - 12/2022
- Graduate Visiting Student, Columbia University, New York City
- 10/2021 - 07/2023
- Master of Science in Clinical Psychology and Cognitive Neuroscience, Ludwig-Maximilians-University Munich
- 11/2021 - 08/2022
- Research assistant at the Chair of Clinical Psychology and Psychotherapy, Ludwig-Maximilians-University Munich
- 08/2020 - 10/2020
- Clinical internship at the Jägerwinkel Private Clinic - Ward for Psychosomatics & Psychotherapy, Tegernsee
- 10/2018 - 07/2021
- Bachelor of Science in Psychology, Ludwig-Maximilians-University Munich
Scholarships & Awards
- 08/2022 - 12/2022: PROSA LMU scholarship for academic training and further education in the USA