Purpose: We evaluated the quality of life effects of self-administered
intracavernosal injection of alprostadil sterile powder for erectile
dysfunction when used by patients for up to 18 months. Materials and M
ethods: Clinical and self-reported measurements were used to assess ph
ysiological and psychological status at baseline, and at 3, 6, 12 and
18 months for 579 patients who entered the self-injection phase of an
open label, flexible dose clinical trial. Quality of life was measured
using the Center for Marital and Sexual Health Sexual Functioning Que
stionnaire, which focuses on the psychosocial and physical dimensions
of erectile dysfunction; the Brief Symptom Inventory, which measures m
ental health, and the Duke Health Profile, which measures general qual
ity of life. The primary evaluations were quality of life changes from
baseline to post-initiation periods and reasons for treatment discont
inuation. Results: The Center for Marital and Sexual Health Sexual Fun
ctioning Questionnaire displayed improvements at all post-initiation p
eriods in 10 questions (p <0.001, Student's paired t tests) grouped in
to scales representing frequency of sexual activity, erection, orgasm
and satisfaction domains. On the Brief Symptom Inventory interpersonal
sensitivity, anxiety and depression as well as global scores improved
(p <0.001). Overall mental health as measured by the Duke Health Prof
ile also improved (p <0.01) between baseline and 6 months. The reasons
most frequently cited for treatment discontinuation were nonfirm erec
tions and injection site pain. Conclusions: Clinical improvements in e
rectile function due to alprostadil therapy were associated with impro
vements in sexual activity, sexual satisfaction and overall mental hea
lth.