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Research on Cochlear Implant Electrode Technology and Prototype Development for Inner Ear Repeated Drug Delivery — Clinical Solution Design, Medical Experiment Validation and System Evaluation

Research on Cochlear Implant Electrode Technology and Prototype Development for Inner Ear Repeated Drug Delivery — Clinical Solution Design, Medical Experiment Validation and System Evaluation

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500105655
Enrollment
Unknown
Registered
2025-07-08
Start date
2025-07-15
Completion date
Unknown
Last updated
2025-07-14

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

Conditions

Patients with severe or extremely severe sensorineural hearing loss in both ears

Interventions

Test group:Implantation of a new cochlear drug delivery electrode
Control group:Wearing a standard cochlear implant

Sponsors

Second Hospital of Shandong Province
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: (1) Patients with severe or profound sensorineural hearingloss; (2) Adult postlingual deaf volunteers; (3) Audiology meets the of cochlear implantation; (4) No middle ear and external ear disease; (5) Compliance with long-term follow-up after surgery.

Exclusion criteria

Exclusion criteria: (1) Associated with inner ear malformation andunderdeveloped auditory nerve; (2) Cochlear ossification; (3) Auditory neurop; (4) Suffering from mental neurological diseases.

Design outcomes

Primary

MeasureTime frame
objective evaluation of hearing function;subjective assessment of hearing ability;vestibular function evaluation;—

Countries

China

Contacts

Public ContactXu Lei

Second Hospital of Shandong Province

lvmt801@163.com+86 135 5256 4506

Outcome results

None listed

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