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Tolperisone Hydrochloride

Neurana Pharmaceuticals, Inc. · Phase 3 active Small molecule

Tolperisone Hydrochloride is a Centrally acting muscle relaxant Small molecule drug developed by Neurana Pharmaceuticals, Inc.. It is currently in Phase 3 development for Muscle spasticity associated with neurological disorders, Post-stroke spasticity, Spinal cord injury-related spasticity. Also known as: Tolperisone, EV product code: PRD4558977, miderizone tablet, ATC:M03BX04.

Tolperisone hydrochloride is a centrally acting muscle relaxant that reduces muscle tone and spasticity by modulating neural pathways in the spinal cord.

Tolperisone hydrochloride is a centrally acting muscle relaxant that reduces muscle tone and spasticity by modulating neural pathways in the spinal cord. Used for Muscle spasticity associated with neurological disorders, Post-stroke spasticity, Spinal cord injury-related spasticity.

Likelihood of approval
55.3% vs 58.3% industry baseline
If approved by FDA: likely 2028–2030
Steps remaining: NDA/BLA submission
Confidence: High
Why this estimate
  • Baseline phase 3 → approval rate +58.3pp
    Industry-wide phase 3 drugs reach approval ~58.3% of the time (BIO/Informa 2023 industry benchmark across all therapeutic areas).
  • CNS / neurology attrition -3.0pp
    CNS drugs have historically high Phase 3 failure rates (notably in Alzheimer disease + major depression).
Predicted approval windows by jurisdiction (conditional on FDA approval)
Regulator Country Likely year Lag vs FDA
FDA US 2028–2030
EMA EU 2029–2031 +0.7 yr
MHRA GB 2029–2031 +0.7 yr
Health Canada CA 2029–2032 +0.9 yr
TGA AU 2029–2032 +1.2 yr
PMDA JP 2029–2032 +1.5 yr
NMPA CN 2030–2033 +2.3 yr
MFDS KR 2029–2032 +1.4 yr
CDSCO IN 2029–2033 +1.8 yr
ANVISA BR 2030–2033 +2.3 yr

Hover any row for the lag rationale. Lag estimates are reduced when the drug has FDA Breakthrough or EMA PRIME designation (sponsors file globally in parallel).

Estimate based on the BIO/Informa industry phase transition rates plus per-drug modifiers for therapeutic area, sponsor type, FDA designations, mechanism, and trial design. Per-jurisdiction lags from Tufts CSDD international approval studies. Not investment, clinical or regulatory advice. Methodology: /methodology#likelihood.

At a glance

Generic nameTolperisone Hydrochloride
Also known asTolperisone, EV product code: PRD4558977, miderizone tablet, ATC:M03BX04
SponsorNeurana Pharmaceuticals, Inc.
Drug classCentrally acting muscle relaxant
ModalitySmall molecule
Therapeutic areaNeurology
PhasePhase 3

Mechanism of action

Tolperisone acts as a non-selective muscle relaxant with analgesic properties, primarily through depression of polysynaptic spinal reflexes and reduction of muscle hypertonicity. It is believed to work via multiple mechanisms including sodium channel blockade and modulation of monoaminergic neurotransmission, leading to decreased muscle stiffness and improved motor function in conditions characterized by spasticity.

Approved indications

Common side effects

Key clinical trials

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

Competitive intelligence

For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape:

Frequently asked questions about Tolperisone Hydrochloride

What is Tolperisone Hydrochloride?

Tolperisone Hydrochloride is a Centrally acting muscle relaxant drug developed by Neurana Pharmaceuticals, Inc., indicated for Muscle spasticity associated with neurological disorders, Post-stroke spasticity, Spinal cord injury-related spasticity.

How does Tolperisone Hydrochloride work?

Tolperisone hydrochloride is a centrally acting muscle relaxant that reduces muscle tone and spasticity by modulating neural pathways in the spinal cord.

What is Tolperisone Hydrochloride used for?

Tolperisone Hydrochloride is indicated for Muscle spasticity associated with neurological disorders, Post-stroke spasticity, Spinal cord injury-related spasticity.

Who makes Tolperisone Hydrochloride?

Tolperisone Hydrochloride is developed by Neurana Pharmaceuticals, Inc. (see full Neurana Pharmaceuticals, Inc. pipeline at /company/neurana-pharmaceuticals-inc).

Is Tolperisone Hydrochloride also known as anything else?

Tolperisone Hydrochloride is also known as Tolperisone, EV product code: PRD4558977, miderizone tablet, ATC:M03BX04.

What drug class is Tolperisone Hydrochloride in?

Tolperisone Hydrochloride belongs to the Centrally acting muscle relaxant class. See all Centrally acting muscle relaxant drugs at /class/centrally-acting-muscle-relaxant.

What development phase is Tolperisone Hydrochloride in?

Tolperisone Hydrochloride is in Phase 3.

What are the side effects of Tolperisone Hydrochloride?

Common side effects of Tolperisone Hydrochloride include Dizziness, Drowsiness, Headache, Nausea, Gastrointestinal disturbances.

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