Transcranial Magnetic Stimulation for Schizophrenia.

Area of Science:

• Neuroscience
• Psychiatry
• Clinical Trials

Background:

• Schizophrenia presents significant challenges with intractable symptoms despite available drug treatments.
• Transcranial magnetic stimulation (TMS) is an emerging alternative therapy for schizophrenia.
• Current consensus on TMS efficacy for schizophrenia in routine practice is lacking.

Purpose of the Study:

• To systematically review randomized controlled trials (RCTs) evaluating TMS for schizophrenia symptoms.
• To assess the effectiveness of TMS compared to sham or standard treatments.

Main Methods:

• Systematic literature review of RCTs comparing TMS with sham or standard treatment.
• Inclusion of 41 trials with 1473 participants.
• Data extraction and analysis of outcomes for global state and positive symptoms.

Main Results:

• Temporoparietal TMS showed significant improvements in global state and positive symptoms compared to sham TMS.
• Evidence quality was frequently suboptimal, with high or unascertainable risks of bias.
• Results were often graded as very low-quality evidence.

Conclusions:

• The current evidence is insufficient to definitively support or refute the routine use of TMS for schizophrenia.
• High-quality, definitive trials with rigorous reporting are necessary to establish TMS efficacy.
• Further research is needed to determine the role of TMS in clinical practice for schizophrenia management.