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Fampyra

Vestre Viken Hospital Trust · Phase 2 active Small molecule ✓ Verified May 2026

Fampyra is a Small molecule drug developed by Vestre Viken Hospital Trust. It is currently in Phase 2 development for Multiple sclerosis.

Fampyra, also known as extended release fampridine, is a small molecule that blocks voltage-gated potassium channels. It is indicated for the symptomatic improvement of walking in adults with multiple sclerosis.

Likelihood of approval
12.3% vs 15.3% industry baseline
If approved by FDA: likely 2031–2034
Steps remaining: Phase 3 → NDA/BLA submission
Confidence: Medium
Why this estimate
  • Baseline phase 2 → approval rate +15.3pp
    Industry-wide phase 2 drugs reach approval ~15.3% 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 2031–2034
EMA EU 2032–2035 +0.7 yr
MHRA GB 2032–2035 +0.7 yr
Health Canada CA 2032–2036 +0.9 yr
TGA AU 2032–2036 +1.2 yr
PMDA JP 2032–2036 +1.5 yr
NMPA CN 2033–2037 +2.3 yr
MFDS KR 2032–2036 +1.4 yr
CDSCO IN 2032–2037 +1.8 yr
ANVISA BR 2033–2037 +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 nameFampyra
SponsorVestre Viken Hospital Trust
TargetVoltage-gated potassium channel, Potassium voltage-gated channel subfamily C member 1, Potassium voltage-gated channel subfamily C member 2
ModalitySmall molecule
Therapeutic areaNeuroscience
PhasePhase 2

Approved indications

Common side effects

No common side effects on file.

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 Fampyra

What is Fampyra?

Fampyra is a Small molecule drug developed by Vestre Viken Hospital Trust, indicated for Multiple sclerosis.

What is Fampyra used for?

Fampyra is indicated for Multiple sclerosis.

Who makes Fampyra?

Fampyra is developed by Vestre Viken Hospital Trust (see full Vestre Viken Hospital Trust pipeline at /company/vestre-viken-hospital-trust).

What development phase is Fampyra in?

Fampyra is in Phase 2.

What does Fampyra target?

Fampyra targets Voltage-gated potassium channel, Potassium voltage-gated channel subfamily C member 1, Potassium voltage-gated channel subfamily C member 2.

Related

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing