| E.1 Medical condition or disease under investigation | 
| E.1.1 | Medical condition(s) being investigated  | 
| Pompe disease (acid alpha-glucosidase deficiency) | 
 
 
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| E.1.1.1 | Medical condition in easily understood language  | 
Treatment of enzyme deficiency in glycogen storage disease type II (Pompe disease)
 
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| E.1.1.2 | Therapeutic area  | Diseases [C] - Nutritional and Metabolic Diseases [C18] | 
| MedDRA Classification | 
| E.1.2 Medical condition or disease under investigation | 
| E.1.2 | Version  | 19.1 | 
 
| E.1.2 | Level  | LLT | 
 
| E.1.2 | Classification code  | 10036143 | 
 
| E.1.2 | Term  | Pompe's disease | 
 
| E.1.2 | System Organ Class  | 100000004850 | 
 
 
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| E.1.3 | Condition being studied is a rare disease  |  Yes  | 
| E.2 Objective of the trial | 
| E.2.1 | Main objective of the trial  | 
| To determine the effect of neoGAA (GZ402666) treatment on respiratory muscle strength measured by percent predicted forced vital capacity (% FVC) in the upright position, as compared to alglucosidase alfa. | 
 
 
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| E.2.2 | Secondary objectives of the trial  | 
| To determine the safety and effect of neoGAA treatment on functional endurance (6-minute walk test (6MWT), inspiratory muscle strength (maximum inspiratory pressure [MIP]), expiratory muscle strength (maximum expiratory pressure [MEP]), lower extremity muscle strength (hand-held dynamometry [HHD]), motor function (Quick Motor Function Test [QMFT]), and health-related quality of life (SF-12). | 
 
 
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| E.2.3 | Trial contains a sub-study  |  No  | 
| E.3 | Principal inclusion criteria  | 
-The patient has confirmed GAA enzyme deficiency from any tissue source and/or 2 confirmed GAA gene mutations.
 -The patient must provide signed informed consent prior to performing any study related procedures. Consent of a legally authorized guardian(s) is(are) required for legally minor patients as defined by local regulation. If the patient is legally minor, signed written consent shall be obtained from parent(s)/legal guardian and assent obtained from patients, if applicable.
 -The patient (and patient’s legal guardian if patient is legally minor as defined by local regulation) must have the ability to comply with the clinical protocol.
 -The patient, if female and of childbearing potential, must have a negative pregnancy test (betahuman chorionic gonadotropin) at baseline.
 
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| E.4 | Principal exclusion criteria | 
-The patient is <3 years of age.
 -The patient has known Pompe specific cardiac hypertrophy.
 -The patient is wheelchair dependent.
 -The patient is not able to ambulate 40 meters (approximately 130 feet) without  topping and without an assistive device.
 -The patient requires invasive-ventilation (non-invasive ventilation is allowed).
 -The patient is not able to successfully perform repeated forced vital capacity (FVC) measurements in upright position of ≥40% predicted and ≤85% predicted.
 -The patient has had previous treatment with alglucosidase alfa or any investigational therapy for Pompe disease.
 -The patient has prior or current use of immune tolerance induction therapy | 
 
 
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| E.5 End points | 
| E.5.1 | Primary end point(s) | 
| Change from baseline in percent predicted forced vital capacity (%FVC) in upright position | 
 
 
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| E.5.1.1 | Timepoint(s) of evaluation of this end point | 
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| E.5.2 | Secondary end point(s) | 
- Change from baseline in six-minute walk test scores
 - Change from baseline in maximal inspiratory pressure in upright position
 - Change from baseline in maximal expiratory pressure in upright position
 - Change from baseline in hand-held dynamometry measurement
 - Change from baseline in Quick Motor Function Test scores
 - Change from baseline in 12- Item Short-form health survey scores
 - Number of participants with adverse events | 
 
 
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| E.5.2.1 | Timepoint(s) of evaluation of this end point | 
 | 
| E.6 and E.7 Scope of the trial | 
| E.6 | Scope of the trial | 
| E.6.1 | Diagnosis |  No  | 
| E.6.2 | Prophylaxis |  No  | 
| E.6.3 | Therapy |  Yes  | 
| E.6.4 | Safety |  Yes  | 
| E.6.5 | Efficacy |  Yes  | 
| E.6.6 | Pharmacokinetic |  Yes  | 
| E.6.7 | Pharmacodynamic |  Yes  | 
| E.6.8 | Bioequivalence |  No  | 
| E.6.9 | Dose response |  No  | 
| E.6.10 | Pharmacogenetic |  No  | 
| E.6.11 | Pharmacogenomic |  Yes  | 
| E.6.12 | Pharmacoeconomic |  Yes  | 
| E.6.13 | Others |  No  | 
| E.7 | Trial type and phase | 
| E.7.1 | Human pharmacology (Phase I) |  No  | 
| E.7.1.1 | First administration to humans |  No  | 
| E.7.1.2 | Bioequivalence study |  No  | 
| E.7.1.3 | Other |  No  | 
| E.7.1.3.1 | Other trial type description |  | 
| E.7.2 | Therapeutic exploratory (Phase II) |  No  | 
| E.7.3 | Therapeutic confirmatory (Phase III) |  Yes  | 
| E.7.4 | Therapeutic use (Phase IV) |  No  | 
| E.8 Design of the trial | 
| E.8.1 | Controlled |  Yes  | 
| E.8.1.1 | Randomised |  Yes  | 
| E.8.1.2 | Open |  No  | 
| E.8.1.3 | Single blind |  No  | 
| E.8.1.4 | Double blind  |  Yes  | 
| E.8.1.5 | Parallel group |  Yes  | 
| E.8.1.6 | Cross over  |  No  | 
| E.8.1.7 | Other |  No  | 
| E.8.2 |  Comparator of controlled trial | 
| E.8.2.1 | Other medicinal product(s) |  Yes  | 
| E.8.2.2 | Placebo  |  No  | 
| E.8.2.3 | Other |  No  | 
| E.8.2.4 | Number of treatment arms in the trial | 2 | 
| E.8.3 | 
                                The trial involves single site in the Member State concerned
                             |  No  | 
| E.8.4 |  The trial involves multiple sites in the Member State concerned  |  Yes  | 
| E.8.4.1 | Number of sites anticipated in Member State concerned | 2 | 
| E.8.5 | The trial involves multiple Member States |  Yes  | 
| E.8.5.1 | Number of sites anticipated in the EEA | 36 | 
| E.8.6 Trial involving sites outside the EEA | 
| E.8.6.1 | Trial being conducted both within and outside the EEA |  Yes  | 
| E.8.6.2 | Trial being conducted completely outside of the EEA |  No  | 
| E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned | 
| Argentina | 
 
| Austria | 
 
| Belgium | 
 
| Brazil | 
 
| Canada | 
 
| Colombia | 
 
| Czech Republic | 
 
| Denmark | 
 
| France | 
 
| Germany | 
 
| Italy | 
 
| Japan | 
 
| Korea, Republic of | 
 
| Mexico | 
 
| Netherlands | 
 
| Russian Federation | 
 
| Spain | 
 
| Sweden | 
 
| Switzerland | 
 
| Taiwan | 
 
| Turkey | 
 
| United Kingdom | 
 
| United States | 
 
 
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| E.8.7 | Trial has a data monitoring committee |  Yes  | 
| E.8.8 | 
                        Definition of the end of the trial and justification where it is not the last
                        visit of the last subject undergoing the trial
                     | 
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| E.8.9 Initial estimate of the duration of the trial | 
| E.8.9.1 | In the Member State concerned years | 4 | 
| E.8.9.1 | In the Member State concerned months | 4 | 
| E.8.9.1 | In the Member State concerned days |  | 
| E.8.9.2 | In all countries concerned by the trial years | 4 | 
| E.8.9.2 | In all countries concerned by the trial months | 6 |