Patients with this genotype have increased frequency of positive erectile response when using sildenafil to treat erectile dysfunction
References
Eisenhardt A, Sperling H, Hauck E, Porst H, Stief C, Rubben H, Muller N, Siffert W: ACE gene I/D and NOS3 G894T polymorphisms and response to sildenafil in men with erectile dysfunction. Urology. 2003 Jul;62(1):152-7. [Article]