At a glance
ClinicalIndex Comparison RecordStandardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.
A Phase 2a Randomized Double-blinded, Placebo And Active Controlled Two Cohort Two Doses Cross-over Multi-center Clinical Study To Assess Efficacy Of A Once Daily Administration Of A Phosphodiesterase 5 Inhibitor (Pf-00489791) For The Treatment Of Vasospasm In Primary And Secondary Raynaud's Phenomenon
In Brief
A Phase 2 clinical trial evaluating PF-00489791 for Raynaud's Disease and Peripheral Vascular Disease. Completed, enrolled 243 participants across 55 sites in 11 countries.
Detailed Summary
The investigators propose that once daily administration of PF-00489791, a phosphodiesterase inhibitor, will reduce vasospasm and improve symptoms and signs associated with Primary and Secondary Raynaud's Phenomenon.
Study Details
Timeline
Interventions
Subjects with Secondary Raynaud's Phenomenon will receive PF-00489791 4 mg once a day for the first 4 week cross over period and then placebo once a day for the second 4 week cross over period
Subjects with Secondary Raynaud's Phenomenon will receive placebo once a day for the first 4 week cross over period and then PF-00489791 4 mg once a day for the second 4 week cross over period
Subjects with Secondary Raynaud's Phenomenon will receive PF-00489791 20 mg once a day for the first 4 week cross over period and then placebo once a day for the second 4 week cross over period
Subjects with Secondary Raynaud's Phenomenon will receive placebo once a day for the first 4 week cross over period and then PF-00489791 20 mg once a day for the second 4 week cross over period
Subjects with Primary Raynaud's Phenomenon will receive PF-00489791 4 mg once a day for the first 4 week cross over period and then placebo once a day for the second 4 week cross over period
Subjects with Primary Raynaud's Phenomenon will receive placebo once a day for the first 4 week cross over period and then PF-00489791 4 mg once a day for the second 4 week cross over period
Subjects with Primary Raynaud's Phenomenon will receive PF-00489791 20 mg once a day for the first 4 week cross over period and then placebo once a day for the second 4 week cross over period
Subjects with Primary Raynaud's Phenomenon will receive placebo once a day for the first 4 week cross over period and then PF-00489791 20 mg once a day for the second 4 week cross over period