Can Medication be a Factor that Can Negatively Affect the Effect of Transcranial Magnetic Stimulation in Depression?

Author:

Constantin Dan A.1,Monescu Vlad2,Cioriceanu Ionut H.1,Leaşu Florin Gabriel1,Rogozea Liliana M.1

Affiliation:

1. Basic, Preventive and Clinical Sciences Department, Transilvania University, Brasov, Romania; and

2. Department of Mathematics and Computer Science, Transilvania University, Brasov, Romania.

Abstract

Background: This study aims to evaluate the efficacy of transcranial magnetic stimulation (TMS) in patients with depression and whether concurrent psychotropic medication use negatively affects the treatment outcome of TMS. Patients' characteristics, predictors of treatment response, the relationship between demographics, and the selection of TMS as a treatment modality were also analyzed. Study Question: Can psychotropic medication be a factor that can negatively affect the efficacy of TMS in patients with depression? Study Design: This pilot-controlled study included 40 subjects from Romanian clinical practice who were treated with pharmacological treatment and TMS for major depressive disorder. The severity of depression and anxiety symptoms was measured using validated scales at baseline (day 1) and follow-up (day 30). Data Sources: All patients' characteristics and information were collected manually from the clinic's medical records, deidentified, and then introduced into an electronic database for analysis. Limitations: Conducting the study in a clinical routine practice, it was not possible to include an active and/or sham control group. In addition, because TMS is not used as a monotherapy in this type of practice, we could not evaluate its safety and efficacy without concomitant pharmacological treatment. The study sample is small; therefore, the results cannot be generalized. Results: Sixty percentage of patients (n = 24) included in this study obtained a clinical response, and 30% of patients (n = 12) obtained remission of depression. The group with pharmacological treatment obtained clinical responses in 80% of patients (n = 16) and remission of depression in 45% of patients (n = 9). The group with pharmacological treatment and TMS obtained clinical responses in 40% of patients (n = 8) and remission of depression in 15% (n = 3) of cases. Conclusions: The study results show a lack of efficacy for TMS as an adjunctive therapy to pharmacological treatment for patients with depression. In addition, a negative impact of psychotropic medication on TMS efficacy is observed in our study sample.

Publisher

Ovid Technologies (Wolters Kluwer Health)

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