Overview Tadalafil for the Treatment of Raynaud's Status: Completed Trial end date: 2010-04-01 Target enrollment: Participant gender: Summary The investigators propose that tadalafil will increase digital blood flow and improve the symptoms and signs of secondary Raynaud's phenomenon. Phase: N/A Details Lead Sponsor: Northwestern UniversityCollaborator: Eli Lilly and CompanyTreatments: Tadalafil