| E.1 Medical condition or disease under investigation | 
| E.1.1 | Medical condition(s) being investigated | 
| Ventriculs septal defect, atrioventricular canal with pulmonary hypertension
 |  
| Ventrikelseptumdefekt, AV-Kanal mit pulmonaler Hypertonie |  | 
| E.1.1.1 | Medical condition in easily understood language | 
| Heart defects with elevated lung vessel pressure |  
| Herzscheidewanddefekte mit Lungenhochdruck |  | 
| E.1.1.2 | Therapeutic area | Diseases [C] - Cardiovascular Diseases [C14] | 
| MedDRA Classification | 
| E.1.2 Medical condition or disease under investigation | 
| 
| E.1.2 | Version | 14.1 |  
| E.1.2 | Level | HLT |  
| E.1.2 | Classification code | 10010401 |  
| E.1.2 | Term | Congenital cardiovascular anomaly therapeutic procedures |  
| E.1.2 | System Organ Class | 10042613 - Surgical and medical procedures |  | 
| E.1.3 | Condition being studied is a rare disease | No | 
| E.2 Objective of the trial | 
| E.2.1 | Main objective of the trial | 
| Frequency of pulmonary hypertensive crises |  
| Häufigkeit von Lungenhochdruckkrisen |  | 
| E.2.2 | Secondary objectives of the trial | 
| mean pulmonary artery pressure cardiac output by transoesophageal Doppler
 fluid balance
 length of ventilation
 length of ICU stay
 
 |  
| mittlerer Pulmonalarteriendruck Herzzeitvolumen bestimmt mit transoesophagealem Doppler
 Flüssigkeitsbilanz
 Beatmungsdauer
 Intensivaufenthaltsdauer
 |  | 
| E.2.3 | Trial contains a sub-study | No | 
| E.3 | Principal inclusion criteria | 
| Ventricular septal defect, AV-Canal with pulmonary hypertension informed parental consent
 age 0-2 years
 
 |  
| Ventrikelseptumdefekt, AV-Kanal mit pulmonaler Hypertonie Einwilligung der Eltern
 Alter 0-2 Jahre
 |  | 
| E.4 | Principal exclusion criteria | 
| additional structural abnormalities affecting pulmonary resistance ventilation preoperatively
 residual VSD
 high dosage of catecholamines, hemodynamic instability
 extracorporeal technics
 abnormalities of oesophagus with contraindication for transoesophegeal
 Doppler
 |  
| Widerstand beeinflussen Beatmung präoperativ
 Rest-VSD postoperativ
 hoher Katecholaminbedarf und hämodynamische Instabilität
 extrakorporale Verfahren wie ECMO oder Peritonealdialyse
 orofaziale oder Ösophagusmißbildungen, die eine Bestimmung des HZV
 mit transösophagealem Doppler ausschließen
 |  | 
| E.5 End points | 
| E.5.1 | Primary end point(s) | 
| number of pulmonary hypertensive crises |  
| Anzahl pulmonal hypertensiver Krisen 
 |  | 
| E.5.1.1 | Timepoint(s) of evaluation of this end point | 
| 0,6,12,24,36,48 hours after admission |  
| 0,6,12,24,36,48, Stunden nach Intensivaufnahme |  | 
| E.5.2 | Secondary end point(s) | 
| mean pulmonary pressure fluid balance
 cardiac output
 duration of ventilation
 duration of ICU stay
 German
 |  
| mittlerer Pulmonalarteriendruck Flüssigkeitsbilanz
 Herzzeitvolumen
 Beatmungsdauer
 Intensivaufenthaltsdauer
 |  | 
| E.5.2.1 | Timepoint(s) of evaluation of this end point | 
| 0,6,12,24,36,48 hours after admission |  
| 0,6,12,24,36,48, Stunden nach Intensivaufnahme |  | 
| E.6 and E.7 Scope of the trial | 
| E.6 | Scope of the trial | 
| E.6.1 | Diagnosis | No | 
| E.6.2 | Prophylaxis | Yes | 
| E.6.3 | Therapy | No | 
| E.6.4 | Safety | No | 
| E.6.5 | Efficacy | Yes | 
| 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 | No | 
| 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.8.2.4 | Number of treatment arms in the trial | 2 | 
| E.8.3 | The trial involves single site in the Member State concerned | Yes | 
| E.8.4 | The trial involves multiple sites in the Member State concerned | No | 
| E.8.4.1 | Number of sites anticipated in Member State concerned | 1 | 
| 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 | 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 | 
| last visit of the last subject |  
| letzte Visite letzter Patient |  | 
| E.8.9 Initial estimate of the duration of the trial | 
| E.8.9.1 | In the Member State concerned years | 2 | 
| E.8.9.1 | In the Member State concerned months |  | 
| E.8.9.1 | In the Member State concerned days |  |