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Note: This record shows only 22 elements of the WHO Trial Registration Data Set. To view changes that have been made to the source record, or for additional information about this trial, click on the URL below to go to the source record in the primary register.
Register: EUCTR
Last refreshed on: 13 October 2020
Main ID:  EUCTR2006-004705-26-GB
Date of registration: 17/04/2007
Prospective Registration: Yes
Primary sponsor: Imperial College London
Public title: Safety and Tolerability of Sildenafil in Patients with Eisenmenger Physiology
Scientific title: Safety and Tolerability of Sildenafil in Patients with Eisenmenger Physiology
Date of first enrolment: 10/05/2007
Target sample size: 12
Recruitment status: Not Recruiting
URL:  https://www.clinicaltrialsregister.eu/ctr-search/search?query=eudract_number:2006-004705-26
Study type:  Interventional clinical trial of medicinal product
Study design:  Controlled: no
Randomised: no
Open: no
Single blind: no
Double blind: no
Parallel group: no
Cross over: no
Other: no
If controlled, specify comparator, Other Medicinial Product:
Placebo:
Other:
 
Phase:  Human pharmacology (Phase I): no Therapeutic exploratory (Phase II): no Therapeutic confirmatory - (Phase III): no Therapeutic use (Phase IV): yes
Countries of recruitment
United Kingdom
Contacts
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Affiliation: 
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Key inclusion & exclusion criteria
Inclusion criteria:
1. Patients >18 years with a functional class III (1998 WHO classification).
2. Patients with pulmonary arterial hypertension related to Eisenmenger physiology
3. Patients with documented oxygen saturation <90%, and >70% (at rest, with room air).
4. Patients stable for at least 3 months prior to screening.
5. Patients providing written informed consent.
Are the trial subjects under 18? no
Number of subjects for this age range:
F.1.2 Adults (18-64 years) yes
F.1.2.1 Number of subjects for this age range
F.1.3 Elderly (>=65 years) no
F.1.3.1 Number of subjects for this age range

Exclusion criteria:
1. Patients with left ventricular dysfunction (ejection fraction <40%).
2. Patients with systolic blood pressure < 85 mm Hg.
3. Patients with other conditions that may affect the ability to perform a 6-minute walk test.
4. Patients unable to provide informed consent and comply with the patient protocol.
5. Patients with known coronary arterial disease.
6. Patients with serum creatinine >125 µM/l.
6. Patients with hemoglobin or hematocrit that is more than 30% below the normal range (patients with secondary polycythemia are permitted).
7. Patients who have started or stopped treatment for PAH within one month of screening, excluding anticoagulation.
8. Patients who are receiving vasodilators including, but not limited to epoprostenol or prostacyclin analogues, or are expected to receive any of these drugs during the study.
9. Patients active on organ transplant lists.
10. Patients taking phosphodiesterase inhibitors, nitrates or endothelin receptor antagonists
11. Patients with planned surgical intervention during the study period.
15. Pregnant patients
16. Patients treated with potent CYP3A4 inhibitors


Age minimum:
Age maximum:
Gender:
Female: yes
Male: yes
Health Condition(s) or Problem(s) studied
Eisenmenger Syndrome (pulmonary hypertension due to congenital heart disease)
MedDRA version: 8.1 Level: LLT Classification code 10058554 Term: Eisenmenger's syndrome
Intervention(s)

Trade Name: Revatio ® 20 mg film-coated tablets
Product Name: Sildenafil
Pharmaceutical Form: Tablet
INN or Proposed INN: Sildenafil (REVATIO)
CAS Number: 139755832
Current Sponsor code: cro529
Concentration unit: mg milligram(s)
Concentration type: equal
Concentration number: 20-

Primary Outcome(s)
Secondary Objective: To evaluate the effects of sildenafil on
- WHO functional class
- 6 minute walk test
- Dyspnea (Borg Index)
- Pulmonary perfusion (using respiratory mass spectrometry)
- Quality of life
- Overall safety and tolerability
Main Objective: To examine safety and tolerability of oral sildenafil in patients with Eisenmenger physiology.

Primary endpoint:
Effects of sildenafil on systemic oxygen saturation in patients with pulmonary arterial hypertension related to Eisenmenger physiology
Primary end point(s): Effects of sildenafil on systemic oxygen saturation (%) in patients with pulmonary arterial hypertension related to Eisenmenger physiology.
Secondary Outcome(s)
Secondary ID(s)
CRO529
Source(s) of Monetary Support
Secondary Sponsor(s)
Ethics review
Status: Approved
Approval date: 21/12/2006
Contact:
Results
Results available: Yes
Date Posted: 06/06/2020
Date Completed: 27/02/2009
URL: https://www.clinicaltrialsregister.eu/ctr-search/trial/2006-004705-26/results
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