Who are Oral Zonisamide Therapy's main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): Low dose zonisamide, Adjunctive Zonisamide, Placebo ZNS, Lamotrigine (drug), Standard dose lamotrigine, Replacement with Zonisamide.

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.

How do I get this as a recurring report?

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

Last reviewed 2026-05-16 · How we verify

Oral Zonisamide Therapy — Competitive Intelligence Brief

Oral Zonisamide Therapy (Oral Zonisamide Therapy) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Anticonvulsant / Antiepileptic drug. Area: Neurology.

marketed Anticonvulsant / Antiepileptic drug Voltage-gated sodium channels, T-type calcium channels, carbonic anhydrase Neurology Small molecule Live · refreshed every 30 min

Target snapshot

Oral Zonisamide Therapy (Oral Zonisamide Therapy) — Affiliated Hospital of Nantong University. Zonisamide is an anticonvulsant that reduces neuronal excitability through multiple mechanisms including sodium and calcium channel blockade and carbonic anhydrase inhibition.

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
Oral Zonisamide Therapy TARGET	Oral Zonisamide Therapy	Affiliated Hospital of Nantong University	marketed	Anticonvulsant / Antiepileptic drug	Voltage-gated sodium channels, T-type calcium channels, carbonic anhydrase
Low dose zonisamide	Low dose zonisamide	Mario Negri Institute for Pharmacological Research	marketed	Anticonvulsant / Antiepileptic agent	Voltage-gated sodium channels, T-type calcium channels, carbonic anhydrase
Adjunctive Zonisamide	Adjunctive Zonisamide	Eisai Inc.	marketed	Anticonvulsant / Antiepileptic drug	Voltage-gated sodium channels, T-type calcium channels, carbonic anhydrase
Placebo ZNS	Placebo ZNS	Impax Laboratories, LLC	phase 3	Anticonvulsant / Antiepileptic agent	Voltage-gated sodium channels, T-type calcium channels, carbonic anhydrase
Lamotrigine (drug)	Lamotrigine (drug)	MaineHealth	marketed	Anticonvulsant / Antiepileptic drug	Voltage-gated sodium channels; glutamate release inhibition
Standard dose lamotrigine	Standard dose lamotrigine	Mario Negri Institute for Pharmacological Research	marketed	Anticonvulsant / Antiepileptic drug	Voltage-gated sodium channels; glutamate release inhibition
Replacement with Zonisamide	Replacement with Zonisamide	Eisai Inc.	marketed	Anticonvulsant / Antiepileptic drug	Voltage-gated sodium channels, T-type calcium channels

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 (Anticonvulsant / Antiepileptic drug class)

Mario Negri Institute for Pharmacological Research · 3 drugs in this class
Eisai Inc. · 2 drugs in this class
Affiliated Hospital of Nantong University · 1 drug in this class
GlaxoSmithKline · 1 drug in this class
MaineHealth · 1 drug in this class
UCB Pharma · 1 drug in this class

Subscribe to ongoing alerts

Push every new event for this competitive set into your RSS reader, IFTTT/Zapier workflow, or email digest:

Cite this brief

Drug Landscape (2026). Oral Zonisamide Therapy — Competitive Intelligence Brief. https://druglandscape.com/ci/oral-zonisamide-therapy. Accessed 2026-05-16.

Build your own brief

Pick any drug + add comparators:

https://druglandscape.com/ci/{slug} — auto-detected competitors
https://druglandscape.com/ci/{slug}?vs=drug1,drug2,drug3 — explicit comparators
Brand names auto-resolve: /ci/keytruda → 301 → /ci/pembrolizumab