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Efficacy of Ultrasound-Guided Superior Cervical Ganglion Block for Refractory Sudden Sensorineural Hearing Loss: A Single-Center Randomized Controlled Trial

Efficacy of Ultrasound-Guided Superior Cervical Ganglion Block for Refractory Sudden Sensorineural Hearing Loss: A Single-Center Randomized Controlled Trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600125203
Enrollment
Unknown
Registered
2026-05-22
Start date
2026-05-25
Completion date
Unknown
Last updated
2026-05-25

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

Conditions

Refractory Sudden Sensorineural Hearing Loss

Interventions

Treatment group:Ultrasound-Guided Superior Cervical Ganglion Block Combined with Conventional Therapy
Control group:Ultrasound-guided Sham Needling Combined with Conventional Therapy

Sponsors

The First Affiliated Hospital of Air Force Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Meeting the diagnostic criteria for sudden sensorineural hearing loss (SSNHL): idiopathic sensorineural hearing loss occurring suddenly within 72 hours, with a hearing decrease of no less than 20 dBHL at at least two adjacent frequencies; 2. Disease duration more than 10 days with no response to initial combined treatment including systemic glucocorticoids (improvement in affected pure tone average (PTA) 60 dBHL; 4. No family history of sensorineural hearing loss; 5. Voluntary participation and signing of informed consent.

Exclusion criteria

Exclusion criteria: 1. Hearing loss with identifiable etiologies, such as Meniere’s disease, acoustic neuroma, traumatic brain injury, history of ototoxic drug use, etc.; 2. Contraindications to superior cervical ganglion block: infection or tumor at the puncture site, severe coagulation disorders, history of local anesthetic allergy, and poorly controlled diabetes mellitus (fasting blood glucose >=10.0 mmol/L); 3. Patients with severe dysfunction of vital organs including the heart, liver, lungs, kidneys, or those with psychiatric disorders; 4. Pregnant or lactating women; 5. Patients with psychiatric disorders or cognitive dysfunction who are unable to fully understand the research scales.

Design outcomes

Primary

MeasureTime frame
At the end of one treatment course (within two weeks, with at least 8 sessions of SCGB completed), the improvement in pure tone average (PTA) of the affected ear at 0.25–8 kHz (;

Secondary

MeasureTime frame
Mean Pure Tone Average (PTA);Overall effective rate;Markedly effective rate;Improvement of tinnitus symptoms; Improvement of vertigo symptoms;Distortion product otoacoustic emission (DPOAE) results;Duration of Horner’s sign and all adverse events;

Countries

China

Contacts

Public ContactGu Nan

The First Affiliated Hospital of Air Force Medical University

gunan@fmmu.edu.cn+86 139 9125 7166

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: May 30, 2026