Journal article · Tinnitus← The news desk

✦ The Dispatch

Prolonged P3 latency predicts clinical response to repetitive transcranial magnetic stimulation in tinnitus

A dispatch from PubMed — filed

The clinical efficacy of repetitive transcranial magnetic stimulation (rTMS) for tinnitus is variable, necessitating predictive biomarkers. We assessed whether pre-treatment multimodal electroencephalography (EEG) could predict rTMS response.

Continue reading at PubMed

✦ The floor

Discussion

Signed responses from readers of the wire.

✦ Clinical Takeaway ✦

Clinicians using or considering rTMS for tinnitus should be aware that prolonged P3 latency may serve as a useful pre-treatment predictor of response, though independent replication in larger samples is needed before routine clinical use.

✦ Why It Matters ✦

Identifying neurophysiological biomarkers like P3 latency to predict rTMS response would allow audiologists and neurologists to select tinnitus patients most likely to benefit, improving treatment efficiency and reducing futile interventions.

✦ Key Points ✦
  1. 01Prolonged P3 latency (delayed brain sound-processing signal) predicted positive clinical response to rTMS in tinnitus patients.
  2. 02rTMS is a non-invasive brain stimulation technique being studied as a tinnitus treatment.
  3. 03P3 latency was assessed via event-related potential (ERP) testing, a standard neurophysiology measure.
  4. 04Findings support P3 latency as a potential neurophysiological biomarker for patient selection.
  5. 05Study is published in Clinical Neurophysiology Practice; sample size not stated in the provided description.
✦ Claims & Evidence ✦

Prolonged P3 latency predicts clinical response to rTMS in tinnitus patients.

studypartially supported

P3 latency can serve as a neurophysiological biomarker for rTMS treatment selection in tinnitus.

studypartially supported
✦ Research metadata ✦
PMID
42293351
DOI
10.1016/j.cnp.2026.05.003.
Journal
Clinical Neurophysiology Practice
Publication type
research_article
Evidence level
4
Population
Patients with chronic tinnitus undergoing rTMS treatment
Intervention
Repetitive transcranial magnetic stimulation (rTMS) for tinnitus, with pre-treatment P3 latency measurement

Primary outcomes

Clinical response to rTMS; Association between P3 latency and rTMS treatment outcome

✦ Related stories ✦