The Effect of Vaginal Oestriol Cream on Subjective and Objective Symptoms of Stress Urinary Incontinence and Vaginal Atrophy: An International Multi-Centre Pilot Study.
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OBJECTIVE
Subjectively and objectively assess stress urinary incontinence (SUI) symptoms before and after topical oestrogen therapy.
METHODS
A prospective study was performed in 3 centres in South-Africa, Australia and the Netherlands. Postmenopausal women with SUI were treated with topical oestriol cream for 6 weeks. The primary subjective outcome was the Patient's Global Impression of Improvement (PGI-I) scale. The primary objective outcome was vaginal pH. Secondary subjective outcomes were: the International Consultation on Incontinence Questionnaire-Urinary Incontinence-Short Form, the Incontinence Impact Questionnaire, the Urogenital Distress Inventory (UDI-6) and the most bothersome symptom approach. Secondary objective outcome was the erect cough pad test. Compliance was scored.
RESULTS
A total of 68 women were enrolled. Half of the participants reported improvement on the PGI-I scale after treatment. Vaginal pH was significantly lower after treatment (median 5.3 (interquartile range (IQR) 4.5-6.0) vs. 5.0 (4.4-5.4), p = 0.002). Improvement on the UDI stress domain was observed (p = 0.01). No statistically significant differences were found in the other subjective outcomes. Baseline and repeat cough pad tests demonstrated a wide variation with no significant difference. Compliance was high (median 100 (IQR 83-100%)).
CONCLUSIONS
Topical oestriol cream during 6 weeks improved quality of life and vaginal pH but no other objective measures of incontinence.
