| E.1 Medical condition or disease under investigation |
| E.1.1 | Medical condition(s) being investigated |
| Duchenne Muscular Dystrophy, Becker Muscular Dystrophy |
|
| MedDRA Classification |
| E.1.2 Medical condition or disease under investigation |
| E.1.2 | Version | 9.1 |
| E.1.2 | Level | LLT |
| E.1.2 | Classification code | 10013801 |
|
| E.1.2 Medical condition or disease under investigation |
| E.1.2 | Version | 9.1 |
| E.1.2 | Level | LLT |
| E.1.2 | Classification code | 10059117 |
|
| 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 evaluate the long term safety of PTC124 in boys with nonsense mutation mediated DMD/BMD, as determined by adverse events and laboratory abnormalities |
|
| E.2.2 | Secondary objectives of the trial |
| Physical To determine the effect of PTC124 on ambulation in the clinic and in the community setting in subjects who are ambulatory To evaluate the effect of PTC124 on functional aspects of proximal muscle strength in subjects who are able to perform timed function tests Cardiac function To evaluate the effect of PTC124 on cardiac function Cognitive To evaluate the effect of PTC124 on cognitive ability Patient reported outcomes To determine the effect of PTC124 on HRQL and treatment satisfaction as reported by subjects and parents/caregivers To assess the effect of PTC124 on activities of daily living in subjects who are unable to complete the 6MWT Pharmacodynamics To evaluate the effect of PTC124 on muscle fragility as determined by serum CK levels Exposure To determine compliance with PTC124 therapy To assess long-term PTC124 plasma exposure |
|
| E.2.3 | Trial contains a sub-study | No |
| E.3 | Principal inclusion criteria |
| Patients must meet all of the following conditions to be eligible for enrollment into the study: 1. Completion of study treatment in the previous Phase 2b study protocol (Protocol PTC124 GD 007 DMD) 2. Evidence of signed and dated informed consent/assent document(s) indicating that the subject (and/or his parent/legal guardian) has been informed of all pertinent aspects of the trial. Note: If the study candidate is considered a child under local regulation, a parent or legal guardian must provide written consent prior to initiation of study screening procedures and the study candidate may be required to provide written assent. The rules of the responsible Institutional Review Board/Independent Ethic Committee (IRB/IEC) regarding whether one or both parents must provide consent and the appropriate ages for obtaining consent and assent from the subject should be followed. 3. In subjects who are sexually active, willingness to abstain from sexual intercourse or employ a barrier or medical method of contraception during the study drug administration and 6 week follow up period. 4. Willingness and ability to comply with scheduled visits, PTC124 administration plan, study procedures, laboratory tests, and study restrictions. |
|
| E.4 | Principal exclusion criteria |
| Patients meeting any of the following conditions will not be eligible for enrollment into the study: 1. Known hypersensitivity to any of the ingredients or excipients of the study drug (Litesse UltraTM [refined polydextrose], polyethylene glycol 3350, Lutrol micro F127 [poloxamer 407], mannitol 25C, crospovidone XL10, hydroxyethyl cellulose, vanilla, Cab O Sil M5P [colloidal silica], magnesium stearate). 2. Ongoing participation in any other therapeutic clinical trial. 3. Prior or ongoing medical condition (eg, concomitant illness, psychiatric condition, behavioral disorder, alcoholism, drug abuse), medical history, physical findings, ECG findings, or laboratory abnormality that, in the investigators opinion, could adversely affect the safety of the subject, makes it unlikely that the course of treatment or follow up would be completed, or could impair the assessment of study results |
|
| E.5 End points |
| E.5.1 | Primary end point(s) |
| Safety profile characterized by type, frequency, severity, timing, and relationship to PTC124 of any adverse events or laboratory abnormalities |
|
| 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 | No |
| E.6.4 | Safety | Yes |
| E.6.5 | Efficacy | Yes |
| E.6.6 | Pharmacokinetic | Yes |
| E.6.7 | Pharmacodynamic | No |
| E.6.8 | Bioequivalence | No |
| E.6.9 | Dose response | No |
| E.6.10 | Pharmacogenetic | No |
| E.6.11 | Pharmacogenomic | No |
| E.6.12 | Pharmacoeconomic | No |
| 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) | Yes |
| E.7.3 | Therapeutic confirmatory (Phase III) | No |
| E.7.4 | Therapeutic use (Phase IV) | No |
| E.8 Design of the trial |
| E.8.1 | Controlled | No |
| E.8.1.1 | Randomised | No |
| E.8.1.2 | Open | No |
| E.8.1.3 | Single blind | No |
| E.8.1.4 | Double blind | No |
| E.8.1.5 | Parallel group | No |
| E.8.1.6 | Cross over | No |
| E.8.1.7 | Other | Yes |
| E.8.1.7.1 | Other trial design description |
|
| E.8.2 | Comparator of controlled trial |
| E.8.2.1 | Other medicinal product(s) | Information not present in EudraCT |
| E.8.2.2 | Placebo | Information not present in EudraCT |
| E.8.2.3 | Other | Information not present in EudraCT |
| 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 | 3 |
| E.8.5 | The trial involves multiple Member States | Yes |
| E.8.5.1 | Number of sites anticipated in the EEA | 16 |
| 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 | Information not present in EudraCT |
| 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 |
|
| 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
|
| End of the trial is the last patient`s visit |
|
| E.8.9 Initial estimate of the duration of the trial |
| E.8.9.1 | In the Member State concerned years | 3 |
| E.8.9.1 | In the Member State concerned months | 0 |
| E.8.9.1 | In the Member State concerned days | |
| E.8.9.2 | In all countries concerned by the trial years | 3 |
| E.8.9.2 | In all countries concerned by the trial months | 0 |