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Safety and Efficacy Evaluation of Repeat neoGAA Dosing in Late Onset Pompe Disease Patients.

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Genzyme

Status and phase

Completed
Phase 1

Conditions

Pompe Disease
Acid Maltase Deficiency
Glycogen Storage Disease Type II (GSD II)

Treatments

Drug: GZ402666

Study type

Interventional

Funder types

Industry

Identifiers

NCT01898364
2012-004167-42 (EudraCT Number)
U1111-1144-7725 (Other Identifier)
TDR12857

Details and patient eligibility

About

Primary Objective:

To evaluate the safety and tolerability of neoGAA in treatment naïve and alglucosidase alfa treated late-onset Pompe disease patients.

Secondary Objective:

To evaluate the pharmacokinetics, pharmacodynamics of neoGAA in treatment naïve and alglucosidase alfa treated late-onset Pompe disease patients.

To evaluate the effect of neoGAA on exploratory efficacy endpoints in treatment naïve and alglucosidase alfa treated late-onset Pompe disease patients.

Full description

Screening: within 90 days Period of treatment: 24 weeks (including 13 bi-weekly infusions) Post treatment evaluation visit: 2 weeks after last neoGAA infusion (at Week 27) End of study visit: 4 weeks after last neoGAA infusion (at Week 29) Total duration: approximately 41 weeks

Enrollment

24 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

Inclusion criteria :

For both Group 1 and Group 2:

  • Male or female patients with confirmed acid α-glucosidase (GAA) enzyme deficiency from any tissue source and/or confirmed GAA gene mutation and without known cardiac hypertrophy.
  • Patient willing and able to provide signed informed consent
  • Patient is able to ambulate 50 meters (approximately 160 feet) without stopping and without an assistive device. Use of assistive device for community ambulation is appropriate.
  • Patient has a forced vital capacity (FVC) in upright position of ≥50% predicted.
  • The patient, if female and of childbearing potential, must have a negative pregnancy test [urine beta-human chorionic gonadotropin (β-hCG)] at baseline.

Group 2 patients only:

  • The patient has been previously treated with alglucosidase alfa for at least 9 months.

Exclusion criteria:

For both Group 1 and Group 2:

  • Patient is wheelchair dependent.
  • Patient requires invasive-ventilation (non-invasive ventilation is allowed).
  • Patient is participating in another clinical study using investigational treatment.
  • Patient, in the opinion of the Investigator, is unable to adhere to the requirements of the study.
  • Patient has clinically significant organic disease (with the exception of symptoms relating to Pompe disease), including clinically significant cardiovascular, hepatic, pulmonary, neurologic, or renal disease, or other medical condition, serious intercurrent illness, or extenuating circumstance that, in the opinion of the Investigator, precludes participation in the study or potentially decreases survival.
  • Patient cannot submit to MRI examination because of a formal contraindication such as a pacemaker, implanted ferromagnetic metals, anxiety disorder, etc.

Group 1 only:

  • Patient has had previous treatment with alglucosidase alfa or any other enzyme replacement therapy (ERT) for Pompe disease.

Group 2 only:

  • Patient has a high risk for a severe allergic reaction to neoGAA (i.e. previous moderate to severe anaphylactic reaction to alglucosidase alfa and/or patient has immunoglobulin (Ig) E antibodies to alglucosidase alfa, and/or a history of sustained high immunoglobulin G (IgG) antibody titers to alglucosidase alfa that in the opinion of the investigator suggest a high risk for an allergic reaction to neoGAA).

The above information is not intended to contain all considerations relevant to a patient's potential participation in a clinical trial.

Trial design

Primary purpose

Treatment

Allocation

Non-Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

24 participants in 6 patient groups

GZ402666 (neoGAA) Group 1 - 5 mg
Experimental group
Description:
Intravenous infusion of 5mg neoGAA to treatment naïve late onset Pompe disease patients once every other week for a total of 24 weeks
Treatment:
Drug: GZ402666
GZ402666 (neoGAA) Group 1 - 10 mg
Experimental group
Description:
Intravenous infusion of 10mg neoGAA to treatment naïve late onset Pompe disease patients once every other week for a total of 24 weeks.
Treatment:
Drug: GZ402666
GZ402666 (neoGAA) Group 1 - 20 mg
Experimental group
Description:
Intravenous infusion of 20mg neoGAA to treatment naïve late onset Pompe disease patients once every other week for a total of 24 weeks.
Treatment:
Drug: GZ402666
GZ402666 (neoGAA) Group 2 - 5 mg
Experimental group
Description:
Intravenous infusion of 5mg neoGAA once every other week for a total of 24 weeks to late onset Pompe disease patients previously treated with alglucoside alfa.
Treatment:
Drug: GZ402666
GZ402666 (neoGAA) Group 2 - 10 mg
Experimental group
Description:
Intravenous infusion of 10mg neoGAA once every other week for a total of 24 weeks to late onset Pompe disease patients previously treated with alglucoside alfa.
Treatment:
Drug: GZ402666
GZ402666 (neoGAA) Group 2 - 20 mg
Experimental group
Description:
Intravenous infusion of 20mg neoGAA once every other week for a total of 24 weeks to late onset Pompe disease patients previously treated with alglucoside alfa.
Treatment:
Drug: GZ402666

Trial contacts and locations

17

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Data sourced from clinicaltrials.gov

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