Please assess the completion status of the following clinical trial:

Trial Title: Exploratory Muscle Biopsy Assessment Study in Patients With Late-Onset Pompe Disease Treated With Alglucosidase Alfa

Study Design Characteristics:
- Allocation: NON_RANDOMIZED
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE4
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~* The participant has confirmed acid alpha-glucosidase (GAA) enzyme deficiency from any tissue source and/or confirmed GAA gene mutations and without known cardiac hypertrophy~* The participant is able to ambulate a distance without stopping and without an assistive device. Use of assistive device for community ambulation is appropriate~* The participant has a certain forced vital capacity (FVC) in upright position~* The participant, if female and of childbearing potential, must have a negative pregnancy test (urine beta-human chorionic gonadotropin \[beta-hCG\]) at baseline~Exclusion Criteria:~* The participant has had previous treatment with ERT~* The participant is wheelchair dependent~* The participant requires invasive-ventilation (non-invasive ventilation is allowed)~* The participant is participating in another clinical study using investigational treatment~* The participant cannot submit to magnetic resonance imaging (MRI) examination because of a formal contraindication such as a pacemaker, implanted ferromagnetic metals, etc~* The participant, in the opinion of the Investigator, is unable to adhere to the requirements of the study

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Alglucosidase Alfa (Type: EXPERIMENTAL): None

Based on this trial design, predict the completion outcome and termination type (if applicable).