Status:

COMPLETED

"The MaP Study": Mapping the Patient Journey in MMA and PA

Lead Sponsor:

ModernaTX, Inc.

Conditions:

Methylmalonic Acidemia

Propionic Acidemia

Eligibility:

All Genders

Brief Summary

Longitudinal, exploratory, natural history study of patients with MMA due to mut deficiency and PA to characterize the changes in blood disease biomarkers over time and the frequency and severity of c...

Eligibility Criteria

Inclusion

  • MMA Only • Patient has a confirmed diagnosis of isolated MMA due to MUT deficiency (mut0 or mut-) based on the following criteria:
  • Elevated plasma/serum/DBS or urine methylmalonic acid levels
  • Presence of normal serum/plasma vitamin B12 and plasma homocysteine levels
  • Confirmed by molecular genetic testing. Genetic testing can be performed after the administration of informed consent if not available, however, molecular genetic results must be confirmed before the second study visit
  • PA Only
  • • Patient has a confirmed diagnosis of isolated PA based on the following criteria:
  • Elevated plasma/DBS/urine 2-MC and/or 3-HP
  • Elevated plasma/serum/DBS propionylcarnitine (C3)
  • Confirmed by genetic testing for mutations of the PCCA or PCCB genes. Genetic testing can be performed after the administration of informed consent if not available, however, molecular genetic results must be confirmed before the second study visit
  • Both MMA and PA
  • Patient (and/or legally authorized representative as applicable to local regulations) is willing and able to comply with study-related assessments and activities
  • Patient or legally authorized representative is willing and able to provide informed consent and/or assent as mandated by local regulation

Exclusion

  • Estimated GFR \<30 mL/min/1.73m2 based on age appropriate equations or patients who undergo chronic dialysis
  • The patient is pregnant or lactating at the time of screening. (Note: Patients who become pregnant during the study may remain in the study) MMA Only
  • Patients diagnosed with isolated MMA cblA, cblB, or cblD enzymatic subtypes or methylmalonyl-CoA epimerase deficiency or combined MMA with homocystinuria PA Only
  • Patient has a confirmed diagnosis of multiple carboxylase deficiency

Key Trial Info

Start Date :

March 20 2018

Trial Type :

OBSERVATIONAL

Allocation :

ACTUAL

End Date :

May 29 2021

Estimated Enrollment :

97 Patients enrolled

Trial Details

Trial ID

NCT03484767

Start Date

March 20 2018

End Date

May 29 2021

Last Update

August 2 2021

Active Locations (17)

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Page 1 of 5 (17 locations)

1

Stanford Health Services

Stanford, California, United States, 94305

2

Emory Univeristy

Atlanta, Georgia, United States, 30322

3

Ann & Robert H. Lurie Children's Hospital of Chicago

Chicago, Illinois, United States, 60611

4

Johns Hopkins University School of Medicine

Baltimore, Maryland, United States, 21287