Ztalmy

ganaxolone · Marinus Pharmaceuticals Emerald Limited
ORPHAN AUTHORISED IN THE EU

What Ztalmy is used for

Ztalmy is indicated for the adjunctive treatment of epileptic seizures associated with cyclin-dependent kinase-like 5 (CDKL5) deficiency disorder (CDD) in patients 2 to 17 years of age. Ztalmy may be continued in patients 18 years of age and older.

Approved use, as published by the European Medicines Agency.

What the labels mean

  • Orphan medicine: for a rare disease (affecting no more than 5 in 10,000 people in the EU).

Key facts

Brand
Ztalmy
Active substance
ganaxolone
Disease area
Epileptic Syndromes; Spasms, Infantile
Medicine group
Other antiepileptics
ATC code
N03AX
Marketing authorisation holder
Marinus Pharmaceuticals Emerald Limited
Authorised in the EU since
2023

Official information

In the USA

Same active substance: Ztalmy

Specialist medicine: started and supervised by a specialist doctor or hospital. This page is a plain-language summary of public official information, not medical advice; follow your doctor and the official product information.

Common questions

What is Ztalmy used for?

Ztalmy is indicated for the adjunctive treatment of epileptic seizures associated with cyclin-dependent kinase-like 5 (CDKL5) deficiency disorder (CDD) in patients 2 to 17 years of age. Ztalmy may be continued in patients 18 years of age and older.

What is the active substance in Ztalmy?

Ztalmy contains ganaxolone.

Who makes Ztalmy?

The EU marketing authorisation holder is Marinus Pharmaceuticals Emerald Limited.

Is Ztalmy an orphan medicine?

Yes. Ztalmy is designated an orphan medicine in the EU, for a rare disease (Epileptic Syndromes; Spasms, Infantile).

Source: European Medicines Agency medicines data (ema.europa.eu), reproduced with acknowledgement of the source. Page made 5 November 2026 by Satya Babu.

← All specialty medicines, EU

For information only, not medical advice. This page is a plain-language summary written from standard prescribing information and the public guides linked below. Brands sometimes change their formula, so always check the composition printed on the pack. Doses here are typical adult doses; yours may differ. Do not start, stop or change a medicine without your doctor or pharmacist, and keep all medicines away from children. In an emergency, call 112 (India) or your local emergency number.