Daily Tadalafil 5 mg Combined With On-Demand Sildenafil 100 mg for Treatment of Erectile Dysfunction in PDE-5I Non Responder Patients — StellaPhase 4 — Post-approval study. The treatment has been approved, but researchers continue monitoring it in a large population over time.
Trial locations(11 sites)
Egypt
Urology and Nephrology Center, Mansoura University, Al Mansurah, Dakahlia Governorate Faculty of medicine, Alexandria University, Alexandria Faculty of medicine, Aswan university, Aswān Faculty of Medicine - Assiut University, Asyut Cairo University, faculty of medicine, Cairo Faculty of medicine, Ain Shams University, Cairo Faculty of medicine, Azhar University, Cairo Faculty of medicine, october 6 Univeristy, Cairo Faculty of medicine, Luxor university, Luxor faculty of medicine, Minya University, Minya Faculty of medicine, Tanta University, Tanta Last updated February 2026