Who are Phenytoin Sodium's main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): Duranest, Carbocaine, Horizant, OXCARBAZEPINE, Gabitril, Cerebyx.

How often does this brief refresh?

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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Subscribe to /feed/ci/phenytoin.xml in any RSS reader (Feedly, Inoreader, NewsBlur). Every regulatory action, trial readout, or patent event lands in your feed automatically.

Last reviewed 2026-05-13 · How we verify

Phenytoin Sodium — Competitive Intelligence Brief

Phenytoin Sodium (PHENYTOIN) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Anti-epileptic Agent. Area: Neuroscience.

marketed Anti-epileptic Agent Sodium channel protein type 2 subunit alpha Neuroscience Small molecule Live · refreshed every 30 min

Target snapshot

Phenytoin Sodium (PHENYTOIN) — Viatris. Phenytoin Sodium works by stabilizing the threshold against hyperexcitability caused by excessive stimulation.

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	Approval / PDUFA
Phenytoin Sodium TARGET	PHENYTOIN	Viatris	marketed	Anti-epileptic Agent	Sodium channel protein type 2 subunit alpha	1953-01-01
Duranest	ETIDOCAINE		marketed	etidocaine	Potassium channel subfamily K member 3, Sodium channel protein type 2 subunit alpha, Sodium channel protein type 4 subunit alpha	1976-01-01
Carbocaine	Carbocaine	Nantes University Hospital	marketed		Sodium channel protein type 1 subunit alpha, Sodium channel protein type 2 subunit alpha, Sodium channel protein type 3 subunit alpha
Horizant	GABAPENTIN ENACARBIL	Azurity	marketed	Anti-epileptic Agent	Voltage-dependent calcium channel subunit alpha-2/delta-1	2011-01-01
OXCARBAZEPINE	OXCARBAZEPINE		marketed	Anti-epileptic Agent [EPC]		2000-01-01
Gabitril	TIAGABINE	Cephalon	marketed	Anti-epileptic Agent	Sodium- and chloride-dependent GABA transporter 1	1997-01-01
Cerebyx	FOSPHENYTOIN	Pfizer	marketed	Anti-epileptic Agent	Sodium channel protein type 5 subunit alpha	1996-01-01

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 (Anti-epileptic Agent class)

Pfizer · 2 drugs in this class
Azurity · 1 drug in this class
Cephalon · 1 drug in this class
Novartis · 1 drug in this class
Recordati · 1 drug in this class
Viatris · 1 drug in this class

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Cite this brief

Drug Landscape (2026). Phenytoin Sodium — Competitive Intelligence Brief. https://druglandscape.com/ci/phenytoin. Accessed 2026-05-13.

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