Who are Didione's main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): Paradione.

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

Last reviewed 2026-06-10 · How we verify

Didione — Competitive Intelligence Brief

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

Didione (ethadione) competitive landscape: 1 comparator, recent regulatory actions, upcoming PDUFA, patent timeline. Class: ethadione. Area: Neuroscience.

unknown ethadione Neuroscience Live · refreshed every 30 min

Target snapshot

Didione (ethadione). Didione works by modulating the activity of neurons in the brain to control seizures.

Comparator set (1 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
Didione TARGET	ethadione		unknown	ethadione
Paradione	PARAMETHADIONE		marketed	paramethadione	Voltage-gated T-type calcium channel	1949-01-01

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 (ethadione class)

· 1 drug in this class

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Cite this brief

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

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