Status:

TERMINATED

Ataluren for Nonsense Mutation Methylmalonic Acidemia

Lead Sponsor:

PTC Therapeutics

Collaborating Sponsors:

Genzyme, a Sanofi Company

Conditions:

Amino Acid Metabolism, Inborn Errors

Eligibility:

All Genders

2+ years

Phase:

PHASE2

Brief Summary

Methylmalonic acidemia (MMA) is a rare genetic disorder caused by mutations in the gene for mitochondrial enzyme methylmalonyl-CoA mutase (MCM) or in one of the genes for adenosylcobalamin (AdoCbl). L...

Detailed Description

In this study, participants with MMA due to a nonsense mutation will be administered an investigational drug called ataluren. Evaluation procedures to determine if a participant qualifies for the stud...

Eligibility Criteria

Inclusion

  • Major
  • Ability to provide written informed consent (parental/guardian consent if applicable)/assent (if applicable)
  • Age ≥2 years
  • Phenotypic evidence of methylmalonic acidemia (MMA) based on the presence of characteristic clinical symptoms or signs and an elevated plasma MMacid level (\>0.27 micromole/liter (umol/L)
  • Presence of a nonsense mutation in at least 1 allele of the mutase (mut), Cobalamin A (cblA), or Cobalamin B (cblB) gene
  • Glomerular filtration rate ≥30 milliliters (mL)/minutes/1.73 meters squared (m\^2), serum aminotransferase values ≤2.5\*the upper limit of normal, serum bilirubin ≤1.5\*the upper limit of normal, plasma adrenocorticotropic (ACTH) within normal limits
  • Willingness and ability to comply with scheduled visits, drug administration plan, study restrictions, and study procedures
  • Major

Exclusion

  • Known hypersensitivity to any of the ingredients or excipients of the study drug
  • Any change in chronic treatment for MMA within 2 months prior to start of screening laboratory assessments
  • Episode of metabolic decompensation within 1 month prior to start of Screening laboratory assessments
  • History of organ transplantation
  • Ongoing dialysis for renal dysfunction

Key Trial Info

Start Date :

July 19 2010

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

November 3 2011

Estimated Enrollment :

11 Patients enrolled

Trial Details

Trial ID

NCT01141075

Start Date

July 19 2010

End Date

November 3 2011

Last Update

July 7 2020

Active Locations (9)

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Page 1 of 3 (9 locations)

1

ZNA Queen Paola Child Hospital and Provincial Centre for Metabolic Disorders

Antwerp, Belgium

2

Hôpital Edouard Herriot

Lyon, France

3

Necker-Enfants Malades Hospital

Paris, France

4

University Children's Hospital

Düsseldorf, Germany