Spiral Therapeutics

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MICS™ Minimally Invasive Cochlear System

MICS places our local formulations at the round window membrane, the entry point to the inner ear, under direct visualization. Each formulation is matched to its drug substance.Intratympanic administration is performed in the clinic under local anesthesia.

How MICS works

Direct visualization at the round window membrane

Until now, physicians had to choose between placing a drug blind in the clinic or precisely in the operating room. MICS brings precise placement into the clinic.

Today

Intratympanic injection

Performed blind. The physician cannot see whether the drug reaches the round window membrane.

  • Round window visualized No
  • Performed in the clinic Yes
Today

Surgical approach

Precise placement, but it requires an operating room.

  • Round window visualized Yes
  • Performed in the clinic No
Spiral

MICS™

The single-use MICS Applicator combines a camera, illumination and an injection cannula, so the physician sees the round window membrane while placing the formulation on it, under local anesthesia.

  • Round window visualized Yes
  • Performed in the clinic Yes
Versatility

One system across drug classes

MICS places the right drug at the right target. Each drug substance is paired with a formulation suited to it, so the same system works with small molecules, proteins and advanced therapies.

The platform

MICS™ + formulations tailored to each drug

OFHOOHOOH Dexamethasone · 392 Da
Protein · ~25 kDa
AAV gene therapy · ~4 MDa

Small molecules

Formulations of approved and novel agents, including our most advanced program.

SPT-2101 · SPT-5108

Proteins

Neurotrophins and other biologics, where formulation and local exposure are the bottleneck.

SPT-4106

Advanced therapies

Gene and cell therapies, where precise delivery matters most.

In evaluation
Why it matters

Access is what has held the field back

The biology of inner ear disease is better understood than ever, and promising molecules exist. What has been missing is a reliable way to place enough drug at the inner ear. MICS and our local formulations are designed to address that, so more inner ear therapies can reach patients.

See our pipeline