How many drugs treat Myotonic disorder?

Drug Landscape tracks 1 marketed treatments for Myotonic disorder (deduplicated by molecule). 0 Phase 3 candidates and 0 Phase 2 candidates are in the pipeline.

What's the most recent regulatory action in Myotonic disorder?

Most recent: Mexitil — FDA approved.

How do I subscribe to ongoing alerts?

Subscribe to /feed/disease/myotonic-disorder.xml in Feedly / Inoreader. Every regulatory action, PDUFA date, or trial completion in this treatment area lands in your feed automatically.

Last reviewed 2026-06-10 · How we verify

Myotonic disorder — Treatment Landscape & Competitive Intelligence

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

Myotonic disorder (disease) competitive landscape: 1 marketed treatments tracked, 0 Phase 3 candidates, 0 Phase 2 candidates. Recent regulatory actions and upcoming PDUFA dates across the entire treatment set.

1 marketed 0 Phase 3 0 Phase 2 Live · 30-min refresh

Marketed treatment landscape

Approved drugs treating Myotonic disorder, deduplicated by molecule. See the full disease page for line-of-therapy detail.

Drug	Generic	Sponsor	Class	Target	Line of therapy	First approval
Mexitil	MEXILETINE	Boehringer Ingelheim	Antiarrhythmic	5-hydroxytryptamine receptor 2B		1985-01-01

Phase 3 pipeline

No Phase 3 pipeline candidates tracked.

Phase 2 pipeline

No Phase 2 pipeline candidates tracked.

Recent regulatory actions (last 90 days)

2026-03-23 — Mexitil · FDA · approved · US

Upcoming PDUFA dates (next 180 days)

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

Sponsor landscape

Boehringer Ingelheim · 1 drug in Myotonic disorder

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Every new regulatory action, PDUFA date, or trial completion in Myotonic disorder:

Cite this brief

Drug Landscape (2026). Myotonic disorder — Treatment Landscape & Competitive Intelligence Brief. https://druglandscape.com/ci/disease/myotonic-disorder. Accessed 2026-06-10.

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