---
title: Scitegrity supported drug receives FDA approval
description: Firdapse approved with support from Scitegrity
image: https://blog.scitegrity.com/hubfs/Catalyst_logo_color.svg
---

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# Scitegrity supported drug receives FDA approval

## ![Catalyst Pharmaceuticals](https://blog.scitegrity.com/hubfs/Catalyst_logo_color.svg)

### Scitegrity supported drug receives FDA approval

---

The drug to treat Lambert-Eaton myasthenic syndrome (LEMS) in adults approved. [Drug Abuse Potential](https://www.scitegrity.co.uk/index.php?page=drug-abuse-potential&hsLang=en-gb) assessments supported by Scitegrity

 

[Catalyst Pharma have announced the FDA](https://ir.catalystpharma.com/news-releases/news-release-details/fda-approves-firdapser-amifampridine-treatment-lambert-eaton) have approved Firdapse (amifampridine) tablets for the treatment of Lambert-Eaton myasthenic syndrome (LEMS) in adults.

Scitegrity supported Catalyst Pharma’s NDA submission by providing [Drug Abuse Potentia](https://www.scitegrity.com/drug-abuse?hsLang=en-gb)l expertise and assessments for use in the NDA submission.

LEMS is a rare autoimmune disorder that affects the connection between nerves and muscles and causes weakness and other symptoms in affected patients. This is the first FDA approval of a treatment for LEMS.

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