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Approved For Marketing No phase listed Expanded access

Expanded Access Study Amifampridine Phosphate in Lambert-Eaton Myasthenic Syndrome (LEMS),Congenital Myasthenic Syndrome

ClinicalTrials.gov ID: NCT02189720

Public ClinicalTrials.gov record NCT02189720. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 11, 2026, 10:37 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

An Open-Label, Expanded Access Protocol for Firdapse® (Amifampridine Phosphate; 3,4-Diaminopyridine Phosphate) Treatment in Pediatric Patients With Lambert-Eaton Myasthenic Syndrome (LEMS), and in Pediatric and Adult Patients With Congenital Myasthenic Syndromes (CMSs)

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

Primary: The primary objective of this study under the original protocol was to provide neuromuscular specialists and neurologists access to amifampridine phosphate therapy for their patients with LEMS, CMS or downbeat nystagmus until the product became commercially available. Secondary: The secondary objective of this study under the original protocol was to provide additional long-term safety data on amifampridine phosphate in patients. Primary The primary objective of this study after its fifth amendment was to provide access to amifampridine phosphate therapy to pediatric patients with LEMS, and pediatric and adult patients with CMS until the product became commercially available for these indications or development of the product for the indication was terminated. Secondary: The secondary objective of this study after its fifth amendment was to assess the long-term safety of amifampridine phosphate in pediatric patients with LEMS, and pediatric and adult patients with CMS.

Study identification

NCT ID
NCT02189720
Recruitment status
Approved For Marketing
Study type
Expanded access
Phase
Not listed
Lead sponsor
Catalyst Pharmaceuticals, Inc.
Industry
Enrollment
Not listed

Conditions and interventions

Eligibility (public fields only)

Age range
2 Years and older
Sex
All
Healthy volunteers
Not listed

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Not listed
Primary completion
Not listed
Completion
Not listed
Last update posted
Mar 25, 2025

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
UCLA Los Angeles California 90095

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT02189720, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Mar 25, 2025 · Synced Sep 11, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT02189720 live on ClinicalTrials.gov.

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