E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Muscular dystrophy with nNOS insufficiency |
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E.1.1.1 | Medical condition in easily understood language |
A hereditary progressivce disease with muscle wasting abd weakness and a reduced amount of the signaling nNOS |
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E.1.1.2 | Therapeutic area | Diseases [C] - Musculoskeletal Diseases [C05] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 14.0 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10028301 |
E.1.2 | Term | Muscle disorder NOS |
E.1.2 | System Organ Class | 10028395 - Musculoskeletal and connective tissue disorders |
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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 |
There are 3 parallel sub-studies
Substudy 1;Effect of Sildenafil on handgrip capacity
Substudy 2; heart enddiastolic volume
Substudy 3; Stimulated brain blood flow and cognition |
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E.2.2 | Secondary objectives of the trial |
Substudy 1; 6 minuttes walk, max test, SF 36
Substudy 2; other measures of heart function as specified in protocol
Substudy 3; other measures of brain blood flow and cognition as specified in protocol |
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E.2.3 | Trial contains a sub-study | Yes |
E.2.3.1 | Full title, date and version of each sub-study and their related objectives |
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E.3 | Principal inclusion criteria |
18-80 Years
Muscle dystrophy with nNOS insuficiency (only men)
Reduced heartfunction (ejecktion fraction < 50%) and/or skeletalmuscledysfunction (MRC grad < 4+ in minimum one muscle caused by the dystrophy
Stabil dosing for at least 3 mths of ACE inhibitor, angiotensin receptor blokker, betablokker or glucocorticoid treatment
Written informed consent |
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E.4 | Principal exclusion criteria |
eksperimentel treatment within 30 days before study start
Use of alfaadrenerg receptor bloking medication or medication containing nitrates or potent CYP3A4 inhibitors
Medication with problematic interaction with Sildenafil
Sildenafil intolerance or allergy
Alcohol- or drugabuse
Hypotension (BT < 90/50)
Recent apoplexi ( 6 mdr)
Epilepsy
Strongly reduced leverfunction (ASAT over 500 U/l )
Recent AMI (6 mdr)
Non-arteritis anterior ischemic opticusneuropathy
MR inkompatible
Claustrofobic
After investigators jugdement
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E.5 End points |
E.5.1 | Primary end point(s) |
Substudy 1: Increase of bloodflow and handgripcapacity
Substudy 2: Increase in resting enddiastolic volume and decrease in working cardiac output
Substudy 3: increase in stimulated cerebral bloodflow |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
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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 | No |
E.6.5 | Efficacy | No |
E.6.6 | Pharmacokinetic | No |
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) | 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 | No |
E.8.1.6 | Cross over | Yes |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | Yes |
E.8.2.3 | Other | No |
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 | No |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | No |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.7 | Trial has a data monitoring committee | No |
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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Last visit accomplished or subject lost to follow-up |
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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 | 1 |
E.8.9.1 | In the Member State concerned months | |
E.8.9.1 | In the Member State concerned days | |