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Philipp Ritter

4 papers in the library · 32 citations · publishing 2021-2026

Papers

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GH001 vs Placebo in Patients With Treatment-Resistant Depression

JAMA Psychiatry March 25, 2026 Wiesław Jerzy Cubała, Malek Bajbouj, Michael Bauer et al. 3 citations

Importance: Few pharmacotherapies are approved for treatment-resistant depression, and many patients do not achieve remission following treatment with those therapies. Objective: To examine the efficacy and safety of single-day treatment with a synthetic formulation of inhaled mebufotenin (GH001) vs placebo in patients with treatment-resistant depression. Design, Setting, and Participants: This...

Urological symptoms following ketamine treatment for psychiatric disorders: A systematic review.

Journal of psychopharmacology (Oxford, England) June 30, 2025 Jess Kerr-Gaffney, Anna Tröger, Alice Caulfield et al. 6 citations

Ketamine has emerged as a putative rapid-acting treatment option for psychiatric disorders, particularly treatment-resistant depression. Chronic recreational ketamine use is associated with ketamine-induced urological toxicity, raising concerns over the safety of repeated ketamine treatments. This systematic review aimed to synthesise urological findings from clinical trials and observational...

Mantra meditation as adjunctive therapy in major depression: A randomized controlled trial

Journal of Affective Disorders Reports September 17, 2021 Holger C Bringmann, Aline Sulz, Philipp Ritter et al.

Objective: To investigate the efficacy of add-on mantra meditation compared to progressive muscle relaxation in major depression. Methods: This study was a two-arm, single-site, raterblinded, randomized controlled trial involving 123 inpatients at a psychiatric hospital diagnosed with major depression according to DSM-IV criteria (January 2017 to June 2020). The treatment group practiced mantra...

Cardiovascular Effects of Combining Subcutaneous or Intravenous Esketamine and the MAO Inhibitor Tranylcypromine for the Treatment of Depression: A Retrospective Cohort Study

CNS Drugs July 20, 2021 Vera Miriam Ludwig, Cathrin Sauer, Allan H. Young et al. 23 citations

(Es)ketamine and monoamine oxidase inhibitors (MAOIs), e.g., tranylcypromine, are therapeutic options for treatment-resistant major depression. Simultaneous administration is currently not recommended because of concern about hypertensive crises. Our objective was to evaluate whether changes in systolic blood pressure (SBP), diastolic blood pressure (DBP), and heart rate (HR) during esketamine...