Salpingectomy With Delayed Oophorectomy Versus Salpingo-Oophorectomy in BRCA1/2 Carriers: Three-Year Outcomes of a Prospective Preference Trial.
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OBJECTIVE: To compare menopause-related quality of life (QoL) after risk-reducing salpingectomy (RRS) versus risk-reducing salpingo-oophorectomy (RRSO) until 3 years of post-surgery. DESIGN: A prospective study (TUBA study) with treatment allocation based on patients' preference. Data were collected pre-surgery and at 3 months, 1 and 3 years of post-surgery. SETTING: Multicentre prospective preference trial in thirteen hospitals in the Netherlands. POPULATION: BRCA1/2 pathogenic variant (PV) carriers aged 25-40 (BRCA1) or 25-45 (BRCA2), who were premenopausal, without a future child wish and without current (treatment for) malignancy. METHODS: Treatment allocation was based on patients' preference: either RRS from the age of 25 years with delayed oophorectomy at the maximum age of 45 (BRCA1) or 50 (BRCA2), or RRSO between the ages of 35-40 (BRCA1) or 40-45 (BRCA2). After RRSO, hormone replacement therapy (HRT) was recommended, if not contraindicated. Primarily, menopause-related QoL as measured with the Greene Climacteric Scale (GCS) was compared between the RRS and RRSO without HRT group. Secondarily, GSC-scores of the RRS group were compared with the scores of the RRSO with HRT after surgery group. A higher GSC-score reflects more climacteric symptoms. RESULTS: Until April 2023, 410 participants had undergone RRS and 160 RRSO. The BRCA1/BRCA2 proportions were 51.4%/48.6%. The mean age at surgery (SD) was 37.9 (3.5) years. Participants 3 years after RRSO without HRT had a 4.3 (95% CI 2.1-6.5; p < 0.001) point higher increase in GCS-score from baseline compared to those after RRS, while the difference was 7.9 (95% CI 5.9-9.8) and 8.5 (95% CI 6.5-10.5) points at 3 and 12 months, respectively. Among participants with HRT after surgery, the RRSO group had a 2.4 (95% CI 0.8-3.9; p = 0.002) point higher increase in GCS-score from baseline compared to the RRS group. CONCLUSIONS: In this multicentre preference trial, menopause-related QoL was better after RRS than after RRSO, even with HRT after RRSO. Differences between arms were most pronounced until one-year post-surgery.