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Study Evaluating the Addition of Sildenafil to Bosentan Therapy in Pulmonary Arterial Hypertension

Addition of Sildenafil to Bosentan Monotherapy in Patients With Pulmonary Arterial Hypertension (PAH)

Status
Withdrawn
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00780728
Enrollment
Unknown
Registered
2008-10-28
Start date
Unknown
Completion date
Unknown
Last updated
2009-11-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Hypertension, Pulmonary

Brief summary

This study will examine the effects of add-on sildenafil to bosentan monotherapy in patients with Pulmonary Arterial Hypertension. Patients on bosentan monotherapy will be followed every 6 months to assess if they have met the pre-defined treatment goals. If a patient fails to achieve these treatment goals or fails to maintain them, sildenafil will be added to their existing bosentan monotherapy. Patients will be assessed 6 months after start of combination therapy for changes in 6MWT, Borg dyspnea scale, WHO functional class, quality of life.

Interventions

DRUGSildenafil

Sponsors

University Health Network, Toronto
Lead SponsorOTHER

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum

Inclusion criteria

Inclusion &

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026