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Sensorion Receives French Regulatory Approval to Initiate HearConnex Gene Therapy Trial for GJB2-Related Hearing Loss

A dispatch from Hearing Review — filed

Gloved hand using tweezers to extract a segment from a 3D-rendered DNA double helix against a blue background
✦ PlateGloved hand using tweezers to extract a segment from a 3D-rendered DNA double helix against a blue background

France’s ANSM has authorized the Phase I/II HearConnex clinical trial of SENS-601, Sensorion’s investigational AAV-based gene therapy targeting one of the most common causes of genetic congenital deafness, with patient dosing targeted for early 2027....

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✦ The floor

Discussion

Signed responses from readers of the wire.

✦ Clinical Takeaway ✦

No actionable change — this is an early-phase regulatory authorization; no safety or efficacy data are yet available from human trials.

✦ Why It Matters ✦

If successful, GJB2-targeted gene therapy could offer a biological hearing restoration option for the most common form of inherited congenital deafness, fundamentally shifting the treatment landscape beyond hearing aids and cochlear implants.

✦ Key Points ✦
  1. 01France's ANSM has authorized Sensorion's Phase I/II HearConnex trial of SENS-601.
  2. 02SENS-601 is an AAV-based (viral vector) gene therapy targeting GJB2 gene mutations — the most common genetic cause of congenital hearing loss.
  3. 03GJB2 mutations account for a significant proportion of hereditary non-syndromic deafness worldwide.
  4. 04Patient dosing is planned to begin in early 2027; no human efficacy or safety data exist yet.
  5. 05This is a Phase I/II trial, meaning the primary focus will be safety and initial dosing, not definitive efficacy.
✦ Claims & Evidence ✦

ANSM (France's national medicines agency) has authorized Sensorion to initiate the HearConnex Phase I/II clinical trial.

press releasesupported

SENS-601 is an AAV-based gene therapy targeting GJB2-related congenital hearing loss.

press releasesupported

Patient dosing under the HearConnex trial is planned for early 2027.

press releasesupported
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