Transcranial direct current stimulation for chronic tinnitus treatment

Clinical trial of comparison of effects of long term bifrontal anodal, cathodal, and sham treatment of transcranial direct current stimulation on tinnitus symptoms in patients with chronic idiopathic drug resistant tinnitus

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT2016110124635N5

Enrollment

Registered

2016-12-06

Start date

2016-03-01

Completion date

Unknown

Last updated

2018-02-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

chronic tinnitus. chronic tinnitus

Interventions

Intervention 1: Anodal intervention group (n=25): Treatment protocol consists of daily one session (2 mA for 20 min with 35 cm2 electrode), 5 consecutive sessions per week for two consecutive weeks (1

Treatment - Devices

Placebo

Anodal intervention group (n=25): Treatment protocol consists of daily one session (2 mA for 20 min with 35 cm2 electrode), 5 consecutive sessions per week for two consecutive weeks (10 sessions) wher

Cathodal intervention group (n=25): Treatment protocol consists of daily one session (2 mA for 20 min with 35 cm2 electrode), 5 consecutive sessions per week for two consecutive weeks (10 sessions) wh

Sham treatment (n=25): Treatment protocol is the same as anodal treatment, but after 40-50 sec the device will be turned OFF without informing the patients.

Eligibility

Sex/Gender

All

Age

18 Years to 70 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria: chronic tinnitus for more than 6 months; resistance to medications; idiopathic tinnitus. Exclusion criteria: history of seizure attacks; high blood pressure; pace maker; brain trauma; severe psychiatric disorders.

Exclusion criteria

Exclusion criteria:

Design outcomes

Secondary

Measure	Time frame
Tinnitus intensity. Timepoint: Prior and post each transcranial direct current stimulation (tDCS) session (5 min after end of session), one week, and one month after last tDCS session. Method of measurement: Numerical rating scale (0 to 10).;Tinnitus distress. Timepoint: Prior and post each transcranial direct current stimulation (tDCS) session (5 min after end of session), one week, and one month after last tDCS session. Method of measurement: Numerical rating scale (0 to 10).	—

Measure

Time frame

Tinnitus intensity. Timepoint: Prior and post each transcranial direct current stimulation (tDCS) session (5 min after end of session), one week, and one month after last tDCS session. Method of measurement: Numerical rating scale (0 to 10).;Tinnitus distress. Timepoint: Prior and post each transcranial direct current stimulation (tDCS) session (5 min after end of session), one week, and one month after last tDCS session. Method of measurement: Numerical rating scale (0 to 10).

—

Primary

Measure	Time frame
?Tinnitus Handicap Inventory (THI) Score. Timepoint: Pre intervention, Post intervention at one hour after last transcranial direct current stimulation (tDCS) session and at one month after last tDCS session. Method of measurement: THI questionnaire.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactAli Yadollahpour

Bioelectromagnetic Clinic, Ahvaz Imam Khomeini Hospital, Ahvaz Jundishapur University of Medical Sci

yadollahpour.a@gmail.com+966 13 222 2925

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026