- ICH GCP
- US-Register für klinische Studien
- Klinische Studie NCT00644605
A Study to Assess the Efficacy and Safety of 20, 40, and 80mg of Sildenafil Three Times a Day in the Treatment of Pulmonary Arterial Hypertension
A Multinational, Multi-centre, Randomised, Double-blind, Double-dummy, Placebo-controlled Study to Assess the Efficacy and Safety of 20, 40, and 80mg TID Sildenafil in the Treatment of Pulmonary Arterial Hypertension in Subjects Aged 18 Years and Over
Studienübersicht
Status
Bedingungen
Intervention / Behandlung
Studientyp
Einschreibung (Voraussichtlich)
Phase
- Phase 3
Kontakte und Standorte
Studienorte
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New South Wales
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Darlinghurst, New South Wales, Australien, 2010
- Pfizer Investigational Site
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Victoria
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Melbourne, Victoria, Australien, 3004
- Pfizer Investigational Site
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Bruxelles, Belgien, 1070
- Pfizer Investigational Site
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Leuven, Belgien, 3000
- Pfizer Investigational Site
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SP
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Sao Paulo, SP, Brasilien, 05403-900
- Pfizer Investigational Site
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Berlin, Deutschland, 13353
- Pfizer Investigational Site
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Giessen, Deutschland, 35385
- Pfizer Investigational Site
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Giessen, Deutschland, 35392
- Pfizer Investigational Site
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Hannover, Deutschland, 30625
- Pfizer Investigational Site
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Leipzig, Deutschland, 04103
- Pfizer Investigational Site
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Kobenhavn, Dänemark, 2100
- Pfizer Investigational Site
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Clamart, Frankreich, 92141
- Pfizer Investigational Site
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Shatin N T, Hongkong
- Pfizer Investigational Site
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Petach Tikva, Israel, 49100
- Pfizer Investigational Site
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Tel Hashomer, Israel, 52621
- Pfizer Investigational Site
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Bologna, Italien, 40138
- Pfizer Investigational Site
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Pisa, Italien, 56124
- Pfizer Investigational Site
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Pisa, Italien, 56126
- Pfizer Investigational Site
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Suwon, Korea, Republik von, 442-721
- Pfizer Investigational Site
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Kuala Lumpur, Malaysia, 59100
- Pfizer Investigational Site
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Tlalpan, Mexiko
- Pfizer Investigational Site
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Amsterdam, Niederlande, 1081 HV
- Pfizer Investigational Site
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Oslo, Norwegen, NO-0027
- Pfizer Investigational Site
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Katowice, Polen, 40-057
- Pfizer Investigational Site
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Warszawa, Polen, 01-138
- Pfizer Investigational Site
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Warszawa, Polen, 03-709
- Pfizer Investigational Site
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Zabrze, Polen, 41-800
- Pfizer Investigational Site
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Goteborg, Schweden, 413 45
- Pfizer Investigational Site
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Molndal, Schweden, 431 80
- Pfizer Investigational Site
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Singapore, Singapur, 168752
- Pfizer Investigational Site
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Barcelona, Spanien, 08035
- Pfizer Investigational Site
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Barcelona, Spanien, 08036
- Pfizer Investigational Site
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Madrid, Spanien, 28041
- Pfizer Investigational Site
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Cape Town, Südafrika, 7700
- Pfizer Investigational Site
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Johannesburg, Südafrika, 2193
- Pfizer Investigational Site
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Parow, Südafrika
- Pfizer Investigational Site
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Prague 4, Tschechien, 140 00
- Pfizer Investigational Site
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Prague 4, Tschechien, 140 21
- Pfizer Investigational Site
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Pest
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Budapest, Pest, Ungarn, 1529
- Pfizer Investigational Site
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Zala
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Zalaegerszeg, Zala, Ungarn, 8900
- Pfizer Investigational Site
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Alabama
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Birmingham, Alabama, Vereinigte Staaten, 35233
- Pfizer Investigational Site
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Birmingham, Alabama, Vereinigte Staaten, 35294
- Pfizer Investigational Site
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Birmingham, Alabama, Vereinigte Staaten, 35294-0006
- Pfizer Investigational Site
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California
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La Jolla, California, Vereinigte Staaten, 92037
- Pfizer Investigational Site
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La Jolla, California, Vereinigte Staaten, 92093
- Pfizer Investigational Site
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Los Angeles, California, Vereinigte Staaten, 90095
- Pfizer Investigational Site
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Los Angeles, California, Vereinigte Staaten, 90033
- Pfizer Investigational Site
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Los Angeles, California, Vereinigte Staaten, 90024
- Pfizer Investigational Site
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San Diego, California, Vereinigte Staaten, 92037
- Pfizer Investigational Site
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Torrance, California, Vereinigte Staaten, 90502
- Pfizer Investigational Site
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Torrance, California, Vereinigte Staaten, 90509
- Pfizer Investigational Site
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Colorado
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Aurora, Colorado, Vereinigte Staaten, 80010
- Pfizer Investigational Site
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Denver, Colorado, Vereinigte Staaten, 80262
- Pfizer Investigational Site
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Illinois
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Chicago, Illinois, Vereinigte Staaten, 60612
- Pfizer Investigational Site
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Louisiana
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Shreveport, Louisiana, Vereinigte Staaten, 71103
- Pfizer Investigational Site
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Maryland
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Baltimore, Maryland, Vereinigte Staaten, 21205
- Pfizer Investigational Site
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Massachusetts
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Boston, Massachusetts, Vereinigte Staaten, 02111
- Pfizer Investigational Site
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Michigan
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Ann Arbor, Michigan, Vereinigte Staaten, 48109
- Pfizer Investigational Site
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Minnesota
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Rochester, Minnesota, Vereinigte Staaten, 55905
- Pfizer Investigational Site
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New York
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New York, New York, Vereinigte Staaten, 10032
- Pfizer Investigational Site
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North Carolina
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Durham, North Carolina, Vereinigte Staaten, 27710
- Pfizer Investigational Site
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Tennessee
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Nashville, Tennessee, Vereinigte Staaten, 37232
- Pfizer Investigational Site
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Texas
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Houston, Texas, Vereinigte Staaten, 77030
- Pfizer Investigational Site
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Wisconsin
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Milwaukee, Wisconsin, Vereinigte Staaten, 53215
- Pfizer Investigational Site
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Glasgow, Vereinigtes Königreich, G11 6NT
- Pfizer Investigational Site
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HIGH Heaton, Newcastle-upon-tyne, Vereinigtes Königreich, NE7 7DW
- Pfizer Investigational Site
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Cambridgeshire
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Papworth Everard, Cambridgeshire, Vereinigtes Königreich, CB3 8RE
- Pfizer Investigational Site
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South Yorkshire
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Sheffield, South Yorkshire, Vereinigtes Königreich, S10 2JF
- Pfizer Investigational Site
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Teilnahmekriterien
Zulassungskriterien
Studienberechtigtes Alter
Akzeptiert gesunde Freiwillige
Studienberechtigte Geschlechter
Beschreibung
Inclusion Criteria:
Included patients had primary pulmonary arterial hypertension, pulmonary hypertension secondary to connective tissue disease, or pulmonary hypertension with surgical repair at least 5 years previously; a mean pulmonary artery pressure greater than or equal to 25 mmHg and a pulmonary artery wedge pressure of less than or equal to 15 mmHg at rest, via right heart catheterisation within 21 days prior to randomisation; and a baseline 6-Minute Walk test distance of 100 m to 450 m.
Exclusion Criteria:
Subjects with congenital heart disease, pulmonary hypertension due to thromboembolism, HIV, chronic obstructive airway disease, congestive heart failure or schistosomiasis; subjects with significant (ie > 2+) valvular disease other than tricuspid regurgitation or pulmonary regurgitation; and acutely decompensated heart failure within the previous 30 days; subjects with pulmonary hypertension secondary to any other etiology other than those specified in the inclusion criteria.
Studienplan
Wie ist die Studie aufgebaut?
Designdetails
- Hauptzweck: Behandlung
- Zuteilung: Zufällig
- Interventionsmodell: Parallele Zuordnung
- Maskierung: Doppelt
Waffen und Interventionen
Teilnehmergruppe / Arm |
Intervention / Behandlung |
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Aktiver Komparator: Arm 2
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sildenafil 40 mg by mouth three times daily (TID), with doses at least 6 hours apart, for 12 weeks
sildenafil 80 mg by mouth three times daily (TID), with doses at least 6 hours apart, for 12 weeks; initially, patients received 40mg TID for one week and were then up-titrated to 80mg TID
sildenafil 20 mg by mouth three times daily (TID), with doses at least 6 hours apart, for 12 weeks
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Aktiver Komparator: Arm 1
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sildenafil 40 mg by mouth three times daily (TID), with doses at least 6 hours apart, for 12 weeks
sildenafil 80 mg by mouth three times daily (TID), with doses at least 6 hours apart, for 12 weeks; initially, patients received 40mg TID for one week and were then up-titrated to 80mg TID
sildenafil 20 mg by mouth three times daily (TID), with doses at least 6 hours apart, for 12 weeks
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Placebo-Komparator: Arm 4
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placebo by mouth three times daily (TID), with doses at least 6 hours apart, for 12 weeks
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Aktiver Komparator: Arm 3
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sildenafil 40 mg by mouth three times daily (TID), with doses at least 6 hours apart, for 12 weeks
sildenafil 80 mg by mouth three times daily (TID), with doses at least 6 hours apart, for 12 weeks; initially, patients received 40mg TID for one week and were then up-titrated to 80mg TID
sildenafil 20 mg by mouth three times daily (TID), with doses at least 6 hours apart, for 12 weeks
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Was misst die Studie?
Primäre Ergebnismessungen
Ergebnis Maßnahme |
Zeitfenster |
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Change from baseline in exercise capacity, as measured by distance walked in six minutes (6-Minute Walk test).
Zeitfenster: Week 12
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Week 12
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Sekundäre Ergebnismessungen
Ergebnis Maßnahme |
Zeitfenster |
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Change from baseline in mean pulmonary arterial pressure
Zeitfenster: Week 12
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Week 12
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Time from randomisation to the first occurrence of clinical worsening (death or lung transplantation or hospitalisation due to pulmonary hypertension or initiation of prostacyclin therapy or initiation of bosentan therapy)
Zeitfenster: Week 0 to 12
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Week 0 to 12
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Change from baseline in the BORG dyspnoea score
Zeitfenster: Week 12
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Week 12
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Change from baseline in pulmonary hypertension criteria for functional capacity and therapeutic class
Zeitfenster: Week 12
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Week 12
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Change from baseline in the 8 dimensions of SF-36 (Physical functioning, Role functioning, Bodily pain, General health, Vitality, Social functioning, Mental health and Reported health transition)
Zeitfenster: Week 4 and Week 12
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Week 4 and Week 12
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Change from baseline at Weeks 4 and 12 in the 5 dimensions of ED5Q (Mobility, Self care, Usual Activities, Pain/Discomfort and Anxiety/Depression)
Zeitfenster: Week 4 and Week 12
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Week 4 and Week 12
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Patient overall preference assessment
Zeitfenster: Week 12
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Week 12
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Change in Chronic Use of Background Therapy for Pulmonary Arterial Hypertension
Zeitfenster: throughout the study
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throughout the study
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Change from baseline in hemodynamic parameters
Zeitfenster: Week 12
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Week 12
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Mitarbeiter und Ermittler
Publikationen und hilfreiche Links
Studienaufzeichnungsdaten
Haupttermine studieren
Studienbeginn
Studienabschluss (Tatsächlich)
Studienanmeldedaten
Zuerst eingereicht
Zuerst eingereicht, das die QC-Kriterien erfüllt hat
Zuerst gepostet (Schätzen)
Studienaufzeichnungsaktualisierungen
Letztes Update gepostet (Tatsächlich)
Letztes eingereichtes Update, das die QC-Kriterien erfüllt
Zuletzt verifiziert
Mehr Informationen
Begriffe im Zusammenhang mit dieser Studie
Zusätzliche relevante MeSH-Bedingungen
- Herz-Kreislauf-Erkrankungen
- Gefäßerkrankungen
- Erkrankungen der Atemwege
- Lungenkrankheit
- Hypertonie
- Pulmonale Hypertonie
- Bluthochdruck, Lungen
- Molekulare Mechanismen der pharmakologischen Wirkung
- Vasodilatator-Wirkstoffe
- Urologische Wirkstoffe
- Enzym-Inhibitoren
- Phosphodiesterase-Inhibitoren
- Phosphodiesterase-5-Inhibitoren
- Sildenafil Citrat
Andere Studien-ID-Nummern
- A1481140
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