Phosphodiesterase inhibitors vs placeboMigraine frequency Number of attacks · primary Raynaud's phenomenon1 finding from 1 reviewVasodilators for primary Raynaud's phenomenon 2021 · Cochrane Headline outcomes onlyno estimate extracted2 studies · 111 participantsLow
Phosphodiesterase 5 inhibitors (PDE5i) vs placeboMigraine frequency Number of attacks · adults with Raynaud's phenomenon (primary or secondary)1 finding from 1 reviewPhosphodiesterase 5 inhibitors (PDE5i) for the treatment of Raynaud's phenomenon 2023 · Cochrane Headline outcomes onlyno estimate extractedStudies not reportedLow