NCT02615600

Brief Summary

Stimulation of the left and right auditory cortex with daily low-frequency transcranial random noise stimulation (tRNS) is used to modulate the neural pathways involved in chronic tinnitus.

Trial Health

57
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
30

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Nov 2015

Longer than P75 for not_applicable

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

November 1, 2015

Completed
23 days until next milestone

First Submitted

Initial submission to the registry

November 24, 2015

Completed
2 days until next milestone

First Posted

Study publicly available on registry

November 26, 2015

Completed
10 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 30, 2025

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2025

Completed
Last Updated

September 19, 2025

Status Verified

September 1, 2025

Enrollment Period

10.1 years

First QC Date

November 24, 2015

Last Update Submit

September 18, 2025

Conditions

Keywords

tinnitustranscranial random noise stimulationtRNSauditory cortexnon-invasive brain stimulation

Outcome Measures

Primary Outcomes (1)

  • number of treatment responders

    response: tinnitus questionnaire total score reduction of at least 5 points, contrast baseline versus end of treatment (week 12)

    week 12

Secondary Outcomes (3)

  • change in tinnitus questionnaire

    week 2, week 4, week 12

  • change in tinnitus handicap inventory

    week 2, week 4, week 12

  • change in tinnitus numeric rating scales

    week 2, week 4, week 12

Study Arms (1)

lf-tRNS

EXPERIMENTAL

Low-frequency tRNS (Neuroconn, Eldith DC-Stimulator Plus): \<100Hz, 2mA, 20min, 10s ramp time, left and right auditory cortex, 5x7cm electrode with the inferior middle part over T3/T4

Device: lf-tRNS

Interventions

lf-tRNSDEVICE

Low-frequency tRNS (Neuroconn, Eldith DC-Stimulator Plus): \<100Hz, 2mA, 20min, 10s ramp time, left and right auditory cortex, 5x7cm electrode with the inferior middle part over T3/T4

lf-tRNS

Eligibility Criteria

Age18 Years - 70 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • diagnosis of bothersome, subjective chronic tinnitus
  • diagnosis: duration of tinnitus more than 6 months

You may not qualify if:

  • objective tinnitus
  • irregular head shap below the electrodes
  • eczema on the head
  • treatable cause of the tinnitus
  • involvement in other treatments for tinnitus at the same time
  • clinically relevant psychiatric comorbidity
  • clinically relevant unstable internal or neurological comorbidity
  • history of or evidence of significant brain malformation or neoplasm, head injury
  • cerebral vascular events
  • neurodegenerative disorder affecting the brain or prior brain surgery
  • metal objects in and around body that can not be removed
  • pregnancy
  • alcohol or drug abuse

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of Regensburg - Deptartment of Psychiatry

Regensburg, 93053, Germany

RECRUITING

MeSH Terms

Conditions

Tinnitus

Condition Hierarchy (Ancestors)

Hearing DisordersEar DiseasesOtorhinolaryngologic DiseasesSensation DisordersNeurologic ManifestationsNervous System DiseasesSigns and SymptomsPathological Conditions, Signs and Symptoms

Study Officials

  • Berthold Langguth

    University of Regensburg

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Berthold Langguth

CONTACT

Martin Schecklmann

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
M.D., Ph.D.

Study Record Dates

First Submitted

November 24, 2015

First Posted

November 26, 2015

Study Start

November 1, 2015

Primary Completion

November 30, 2025

Study Completion

December 31, 2025

Last Updated

September 19, 2025

Record last verified: 2025-09

Data Sharing

IPD Sharing
Will not share

Locations