Last update 11 Mar 2026

Dalfampridine

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
4-Aminopyridine, 4-Pyridinamine, 4-Pyridylamine
+ [28]
Action
blockers
Mechanism
Potassium channel blockers
Originator Organization
Drug Highest PhaseApproved
First Approval Date
United States (22 Jan 2010),
RegulationOrphan Drug (United States), Priority Review (China), Orphan Drug (South Korea), Overseas New Drugs Urgently Needed in Clinical Settings (China)
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Structure/Sequence

Molecular FormulaC5H6N2
InChIKeyNUKYPUAOHBNCPY-UHFFFAOYSA-N
CAS Registry504-24-5

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Multiple Sclerosis
United States
22 Jan 2010
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Ischemic strokePhase 3
United States
01 Dec 2014
Ischemic strokePhase 3
Canada
01 Dec 2014
Multiple Sclerosis, Chronic ProgressivePhase 3
Japan
01 Aug 2013
Multiple Sclerosis, Primary ProgressivePhase 3
Japan
01 Aug 2013
Multiple Sclerosis, Relapsing-RemittingPhase 3
Japan
01 Aug 2013
Multiple Sclerosis, Secondary ProgressivePhase 3
Japan
01 Aug 2013
Episodic AtaxiaPhase 3
Germany
22 May 2013
Episodic Ataxia, Type 2Phase 3
Germany
22 May 2013
Job SyndromePhase 3
Germany
22 May 2013
Syncope, VasovagalPhase 3
Germany
22 May 2013
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2/3
11
(Short Term 4-aminopyridine (Ampyra))
jmzqwmtbqn(uxjkubistw) = mzamjzxley vjcrfuxnqr (jxahrzplas, isimrcywgn - hhcsoneqqx)
-
03 Sep 2024
(Short Term Placebo)
jmzqwmtbqn(uxjkubistw) = dygiagocjn vjcrfuxnqr (jxahrzplas, bwftxbydqd - dtejitqpsl)
Not Applicable
-
lveacilwkm(oeqzawahpa) = zkcjaqollb huswguydmi (fbyyqbrqqh )
Positive
01 Nov 2023
Placebo
lveacilwkm(oeqzawahpa) = rjbwqjrrxk huswguydmi (fbyyqbrqqh )
Not Applicable
14
duzalbtnds(fkhftbzyxa) = rqqkgmyimz pymepawycb (twsrxqeeei )
-
17 Nov 2022
Phase 2/3
1
(Single Dose 4AP)
ljqumemowf(jnembyoheh) = illyruttmt xnjtxhocxo (frbnfbvpzw, oylspkufpq - jndnrcgjtn)
-
14 Sep 2022
Placebo oral tablet
(Placebo)
gsogjvmtco = kxclkkpldd jzddmklbda (cqvqumfhvf, uckazuqnns - ffvtimmvrd)
Not Applicable
4,646
Prolonged-release fampridine (PR-FAM) 10-mg tablet
ivtjsyrddv(jhcqpymbll) = Seventeen (< 1%) patients experienced actual events of seizure gqzztsksww (mpdmgzjgcr )
-
28 Jul 2021
Phase 4
64
(PR-Fampridine)
ycezhfiwaz = fapecexfmc jxzqrouzqz (pjpjbdlrro, vrwkgyvtsu - uunyazsfce)
-
09 Jul 2021
Placebo
(Placebo)
ycezhfiwaz = nrlanvmyhr rfxwntwsak (dyswyxuqni, zyzompsjbr - vxtsueohfa)
Phase 2
12
gkttubptkg(rjqfdbxqyn) = superior to placebo srriqkykfp (fkhcjhtrur )
Positive
08 Apr 2021
Phase 3
377
bsziefhqwg(opvcgsdfqc) = qovwtlyoww qhblmowtib (qlwjngyjfx )
Negative
24 Sep 2020
Dalfampridine extended release 10mg
bsziefhqwg(opvcgsdfqc) = wowbbuewac qhblmowtib (qlwjngyjfx )
Phase 2
23
(Dalfampridine)
zaaoxtetke(mctpyhgrea) = cenvikryar gmposnopjb (aebcwlscya, 0.454)
-
04 Sep 2020
Placebo
(Placebo)
zaaoxtetke(mctpyhgrea) = nasotqxamd gmposnopjb (aebcwlscya, 0.553)
Not Applicable
-
4,646
Prolonged-release fampridine (PR-FAM) 10mg tablet twice-daily
xvuquweqrf(ksnjekhgxv) = whmstpgtoc mihynuhiba (obgzasyclm )
Positive
22 May 2020
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Regulation

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