Long-term Follow-up Study of Patients Who Received hLB-001 Gene Therapy

A Long-term Follow-up Study of Patients in LogicBio Clinical Trials for Methylmalonic Acidemia Characterized by MMUT Mutations Who Received hLB-001

This is a non-interventional long-term follow-up study of patients who have participated in LogicBio studies for the treatment of MMA and received hLB-001

Patients will be followed for a period of 15 years which includes the duration of time that the patient was in the treatment study.

Inclusion Criteria:

• Participant has previously participated in a LogicBio clinical trial and received hLB-001.

Exclusion Criteria:

• None