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Intracochlear Application of VSF1.01 for the Reduction of Cochlear Implant Surgery Related Trauma (ESCRT)

H

Hannover Medical School (MHH)

Status and phase

Not yet enrolling
Phase 2
Phase 1

Conditions

Hearing Loss

Treatments

Drug: Intracochlear application of VSF1.01

Study type

Interventional

Funder types

Other

Identifiers

NCT06545175
2024-512498-29-00

Details and patient eligibility

About

The goal of this clinical trial is to assess the safety of intracochlear application of VSF1.01 for the reduction of cochlear implant surgery related trauma in patients with profound hearing loss with or without non-functional residual hearing in low frequencies and cochlear implantation.

The main questions it aims to answer are:

Primary objective:

Safety of intracochlear application of VSF1.01 in patients receiving cochlear implantation

Secondary objectives:

Effectiveness on

  1. neural responses of auditory nerve
  2. speech understanding
  3. hearing thresholds
  4. electrode impedances

During cochlear implant operation, patients receive as adjuvant treatment intracochlear VSF1.01 prior to insertion of the electrode array.

Cochlear implantation is conducted according to the clinical standard at the investigational site.

Enrollment

11 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Men, women, inter/diverse aged ≥ 18 years

    • Women without childbearing potential defined as follows:

      • at least 6 weeks after surgical sterilization by bilateral tubal ligation or bilateral oophorectomy or
      • hysterectomy or uterine agenesis or
      • ≥ 50 years and in postmenopausal state > 1 year or
    • Women of childbearing potential:

      • who are practicing sexual abstinence (periodic abstinence and withdrawal are not acceptable) or
      • who have sexual relationships with female partners only and/or with sterile male partners or
      • who are sexually active with fertile male partner, have a negative pregnancy test during screening and agree to use reliable methods of contraception from the time of screening until end of the clinical trial.
  • Signed written informed consent from subjects capable of understanding all information and to give full informed consent

  • Functional deaf patients (profound hearing loss with or without non-functional residual hearing in the low frequencies i.e. 125 Hz: 45 dB - 95 dB; 250 Hz: 50 dB - 105 dB; 500 Hz: 55 dB - 110 dB; 750 Hz and higher: 65 dB or below) that are candidates for cochlear implantation

Exclusion criteria

  • Patients with prior ear surgery
  • Patients with inner ear malformations
  • Patients with acute or chronic otitis media
  • Patients with keloid disorder
  • Comorbidities concerning the central nervous system
  • Malignancies of any type
  • Kidney disease with elevated blood values: creatinine >1.5x above upper limit of normal (ULN), eGFR or creatinine clearance 59 mL/min/1.73 m2 (grade ≥2, CTCAE v5.0)
  • Liver disease with elevated blood values: bilirubin >1.5x ULN, AST/ALT >3.0x ULN, ALP and y-GT >2.5x ULN, LDH >ULN, international normalized ratio (INR) >1.5-2.5x baseline if on anticoagulation, albumin <3 g/dL (grade ≥2, CTCAE v5.0)
  • Suspected or verified pregnancy or breastfeeding
  • Hypersensitivity to any of the components of the medications used (such as Ringer's Lactate (excipient); any residuals from cell culture or raw materials used for pharmaceutical upstream and downstream processing to generate VSF1.01 (i.e. alpha-Modified Eagle Medium (αMEM), Dulbecco's MEM (DMEM), pooled human platelet lysate (pHPL), human serum albumin (HSA), Dipeptiven, phosphate buffered saline (PBS), animal origin free recombinant enzyme (TrypLETM Select))
  • Participation in another clinical trial (other investigational drugs or devices at the time of enrolment or within 30 days prior to enrolment)

Trial design

Primary purpose

Treatment

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

11 participants in 1 patient group

Intracochlear treatment with VSF1.01
Experimental group
Treatment:
Drug: Intracochlear application of VSF1.01

Trial contacts and locations

0

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Central trial contact

Nils K. Prenzler, PD Dr.

Data sourced from clinicaltrials.gov

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