Who are SR-fampridine's main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): Sustained-release oral dalfampridine, Ezogabine/Retigabine IR, 3,4-diaminopyridine, BIIB041 (fampridine), BIIB041 (Fampridine-SR), ,4-diaminopyridine.

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Every 30 minutes from primary sources (FDA, EMA, MHRA, PMDA, ClinicalTrials.gov, USPTO). Subscribe to the RSS feed below for push alerts.

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Last reviewed 2026-06-10 · How we verify

SR-fampridine — Competitive Intelligence Brief

Name: Drug Landscape Pharmaceutical Database
Creator: Drug Landscape
Published: 2026-01-01
License: https://creativecommons.org/licenses/by/4.0/

SR-fampridine (SR-fampridine) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Potassium channel blocker. Area: Neurology.

marketed Potassium channel blocker Voltage-gated potassium channels Neurology Small molecule Live · refreshed every 30 min

Target snapshot

SR-fampridine (SR-fampridine) — University of Southern Denmark. SR-fampridine is a sustained-release formulation of fampridine that blocks potassium channels in nerve fibers, prolonging action potentials and enhancing nerve conduction.

Comparator set (6 drugs)

Auto-detected by same drug class / molecular target / therapeutic area, ranked by phase + recency. Override with ?vs=slug1,slug2,….

Drug	Generic	Sponsor	Phase	Class	Target
SR-fampridine TARGET	SR-fampridine	University of Southern Denmark	marketed	Potassium channel blocker	Voltage-gated potassium channels
Sustained-release oral dalfampridine	Sustained-release oral dalfampridine	Sheba Medical Center	marketed	Potassium channel blocker	Voltage-gated potassium channels (Kv channels)
Ezogabine/Retigabine IR	Ezogabine/Retigabine IR	GlaxoSmithKline	marketed	Potassium channel opener	Kv7 (KCNQ) voltage-gated potassium channels
3,4-diaminopyridine	3,4-diaminopyridine	Oregon Health and Science University	phase 3	Potassium channel blocker	Voltage-gated potassium channels
BIIB041 (fampridine)	BIIB041 (fampridine)	Biogen	phase 3	Potassium channel blocker	Voltage-gated potassium channels (Kv)
BIIB041 (Fampridine-SR)	BIIB041 (Fampridine-SR)	Biogen	phase 3	Potassium channel blocker	Voltage-gated potassium channels (Kv1.4, Kv3.1)
,4-diaminopyridine	,4-diaminopyridine	National Center for Research Resources (NCRR)	phase 3	Potassium channel blocker	Voltage-gated potassium channels (presynaptic)

Recent regulatory actions (last 90 days)

No regulatory actions in the last 90 days for this set.

Upcoming PDUFA dates (next 180 days)

No PDUFA dates in the next 180 days for this set.

Patent timeline (forward window)

No upcoming patent expiries for this set.

Sponsor landscape (Potassium channel blocker class)

Orphalan · 3 drugs in this class
Biogen · 2 drugs in this class
Essentialis, Inc. · 1 drug in this class
National Center for Research Resources (NCRR) · 1 drug in this class
Oregon Health and Science University · 1 drug in this class
Sheba Medical Center · 1 drug in this class
University of Southern Denmark · 1 drug in this class
D'Youville College · 1 drug in this class

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Cite this brief

Drug Landscape (2026). SR-fampridine — Competitive Intelligence Brief. https://druglandscape.com/ci/sr-fampridine. Accessed 2026-06-10.

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