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PD Dr. med. Philipp Ritter, MD, PhD, Consultant Psychiatrist

Research focus

  • Bipolar and depressive disorders
  • Circadian mechanisms in major mental disorders (phase shift, melatonin suppression, actimetry)
  • Sleep architecture and sleep spindles in major mental disorders
  • Inflammatory mechanisms in affective disorders
  • Efficacy and toxicity of novel antidepressants

​Official position 

Consultant, Department of Psychiatry and Psychotherapy
Psychiatric Hospital and Outpatient Clinics


University Hospital Carl Gustav Carus,Technische Universität Dresden,
Dresden, Germany
transCampus® Technische Universität Dresden – King’s College London

Business address 

Fetscherstraße 74
01307 Dresden

Academic education and degrees

​1996 - 2001

University College London Medical School (MBBS)


PhD in Medicine (TUD)


Postdoctoral lecture qualification (venia legendi) in Psychiatry (TUD)


Professional career

​2001 - 2002

House Officer, Gastroenterology and General Surgery, Royal Devon, Exeter and Royal United Hospital, Bath (UK)

​2002 - 2003

​Senior House Officer, Emergency Department, Royal Adelaide Hospital (Australia)

​2003 - 2005

Senior House Officer in Neurology, Hamburg

​2005 - 2008

Senior House Officer in Psychiatry, Hamburg

​2008 - 2014

Senior House Officer and Junior Researcher in Psychiatry, TUD

​2014 - present

Study Coordinator, German Network for the Study of Bipolar Disorder (BipoLife)

​2016 - present

Consultant Psychiatrist, head of affective disorders unit

​2020 - present

“Managerial” Consultant


Honors, awards and positions


Suckling Memorial Prize in Neuroscience, London


Philip Seth Belasco and Douglas Cree Prize in Medicine, London


Member, National S3 Treatment Guidelines for Bipolar Disorders (Chapters: Pharmacotherapy in pregnancy and lactation,comorbidity and treatment resistance)


Member, Task Force “Chronobiology in Bipolar Disorders”, International Society forBipolar Disorder (ISBD)


​Member, International Group for the Study of Lithium-Treated Patients (IGSLI)


​Member, European College of Neuropsychopharmacology (ECNP) Bipolar Disorders Network


Current journal editorial positions


Editorial Board, International Journal ofBipolar Disorders


10 most important peer-reviewed papers (10 out of 51, Scopus h-index: 16)

  1. Vares E, Lehmann S, Sauer C, Pariante C, Wieland F ... Ritter P. Association of pro-inflammatory cytokines with clinical features in euthymic patients with Bipolar-I-Disorder. J. Affective Disorders. 2020.
  2. Findeis H, Sauer C, Cleare A, Bauer M, Ritter P. Urothelial toxicity of esketamine in the treatment of depression. Psychopharmacology. 2020;1-8.
  3. Ritter P, Wieland F, Skene D, Pfennig A, Weiss M et al. Melatonin suppression by Melanopsin-weighted Light in Patients with Bipolar-I-Disorder compared to Healthy Controls. J. Psychiatr Neuroscience. 2019;44.
  4. Ritter P, Schwabedal J, Brandt M et al. Sleep spindles in bipolar disorder – a comparison to healthy control subjects. Acta Psychiatr Scand. 2018;138.
  5. Ritter P, Brandt M, Schrempf W, Brezan F, Krupka A et al. Role of the IL-6-Receptor expression in CD14+ monocytes in modulating sleep in patients with bipolar disorder. J Affect Disord. 2018;239.
  6. Ritter P, Bermpohl F, Gruber O, Hautzinger M, Jansen A et al. Aims and structure of the German Research Consortium BipoLife for the study of bipolar disorder. Int J Bipolar Disord. 2016;4.
  7. Pfennig A*, Ritter P*, Höfler M, Lieb R, Bauer M et al. Symptom characteristics of depressive episodes prior to the onset of mania or hypomania. Acta Psychiatr Scand. 2016;133. *shared first authorship
  8. Ritter P, Höfler M, Wittchen H-U, Lieb R, Bauer M et al. Disturbed sleep as risk factor for the subsequent onset of bipolar disorder – Data from a 10-year prospective-longitudinal study among adolescents and young adults. J Psychiatr Res. 2015;68.
  9. Ritter P, Marx C, Lewtschenko N, Pfeiffer S, Leopold K et al. The characteristics of sleep in patients with manifest bipolar disorder, subjects at high risk of developing the disease and healthy controls. J Neural Transm. 2012;119.
  10. Ritter P, Marx C, Bauer M, Lepold K, Pfennig A, Leopold K. The role of disturbed sleep in the early recognition of bipolar disorder: a systematic review. Bipolar Disord. 2011;13.
Semmelweisstraße 10, Haus 13
04103 Leipzig
0341 - 97 24539