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Purpose Young breast cancer survivors often go through a rapid change in menopause status due to cancer treatment and suffer from abrupt symptoms. This transition compels them to deal with unique medical and psychological side effects on their quality of life. One of the most affected quality of life domains is sexual functioning. This study explored the differences in frequency of sexual activity between young breast cancer survivors and young healthy women. It also examined whether this difference in sexual activity frequency was mediated by discomfort and/or pleasure during intercourse, both of which are affected by symptoms of premature menopause. Methods A total of 97 young breast cancer survivors and 75 young healthy women completed a sociodemographic questionnaire: the Fallowfield’s Sexual Activity Questionnaire (FSAQ) and the Menopausal Rating Scale (MRS). Additionally, the breast cancer participants completed a medical data questionnaire. Results Findings revealed a significant direct effect between group and menopausal symptoms, menopausal symptoms and pleasure, and pleasure and frequency of sexual activity. Structural equation modeling explained the differences between the groups in frequency of sexual activity as mediated by menopausal symptoms and both pleasure and discomfort. Conclusions and implications These results highlight the impact of pleasure on the frequency of young breast cancer survivors’ sexual activity, and its relation to menopausal symptoms. These young women should be provided with appropriate information and interventions that will help them experience increased pleasure during sexual activity despite their early and induced menopausal symptoms.

The much anticipated results from two phase III studies evaluating the clinical efficacy of poly(ADP-ribose) polymerase (PARP) inhibition in patients with advanced-stage breast cancer harbouring a germline mutation in BRCA1/2 have established new therapeutic opportunities and yet, have left us with several ongoing questions.

Background: Abemaciclib is the first and only cyclin-dependent kinases 4 and 6 inhibitor approved for adjuvant treatment of hormone receptor-positive (HR+), human epidermal growth factor receptor 2-negative (HER2−), node-positive, and high-risk early breast cancer (EBC), with indications varying by geography. Premenopausal patients with HR+, HER2− tumors may have different tumor biology and treatment response compared to postmenopausal patients. Objectives: We describe the efficacy and safety of abemaciclib plus endocrine therapy (ET) for the large subgroup of premenopausal patients with HR+, HER2− EBC in monarchE. Design: Randomized patients (1:1) received adjuvant ET with or without abemaciclib for 2 years plus at least 3 additional years of ET as clinically indicated. Methods: Patients were stratified by menopausal status (premenopausal versus postmenopausal) at diagnosis. Standard ET (tamoxifen or aromatase inhibitor) with or without gonadotropin-releasing hormone agonist was determined by physician’s choice. Invasive disease-free survival (IDFS) and distant relapse-free survival (DRFS) by menopausal status were assessed at data cutoff on 1 April 2021 (median follow-up of 27 months). Results: Among randomized patients, 2451 (43.5%) were premenopausal and 3181 (56.4%) were postmenopausal. The choice of ET for premenopausal patients varied considerably between countries. Treatment benefit was consistent across menopausal status, with a numerically greater effect size in premenopausal patients. For premenopausal patients, abemaciclib with ET resulted in a 42.2% and 40.3% reduction in the risk of developing IDFS and DRFS events, respectively. Absolute improvement at 3 years was 5.7% for IDFS and 4.4% for DRFS rates. Safety profile for premenopausal patients was consistent with the overall safety population. Conclusion: Abemaciclib with ET demonstrated clinically meaningful treatment benefit for IDFS and DRFS versus ET alone regardless of menopausal status and first ET, with a numerically greater benefit in the premenopausal compared to the postmenopausal population. Safety data in premenopausal patients are consistent with the overall safety profile of abemaciclib.

BRCA1 and BRCA2 germline mutations substantially increase breast and ovarian cancer risk, yet penetrance is incomplete. The effects of oral contraceptives (OC) on breast cancer risk in mutation carriers are unclear, and the putative effect of parental origin of mutation on cancer risk has not been reported. Data on OC use and parental origin of the mutation were obtained at counseling from 888 BRCA1 ( n  = 638) or BRCA2 ( n  = 250) Jewish Israeli mutation carriers who were counseled and genotyped in a single medical center. Overall, 403 (45.4%) of participants had breast cancer (age at diagnosis 49.65 ± 12.2 years), 112 (12.6%) ovarian cancer (age at diagnosis 56.8 ± 10.8 years) and the rest ( n  = 373−42%) were asymptomatic carriers (age at counseling 40.7 ± 10.6 years). Of study participants, 472 (53.15%) ever used OC, and 298 used OC for at least 5 years. In 129 the mutation originated on the paternal side as judged by direct testing or obligate carriership and in 460 the mutation was maternally inherited. Multivariate logistic regression analysis, and stratifying for birth year, age at menarche, breast feeding, and number of births, showed that ever use of OC (Hazards Ratio-HR = 1.84 95% CI 1.465–2.314, P  = 0.001) and paternal compared with maternal origin of mutation (OR = 1.55 95% CI 1.14–2.12, P  = 0.006) were significantly associated with breast cancer and an earlier age at breast cancer diagnosis. The authors conclude that OC use and paternal origin of mutation affect breast cancer penetrance in Jewish BRCA1 and BRCA2 mutation carriers.

Thanks to advanced treatments, many breast cancer (BC) patients become long-term survivors, yet suffer a diminished quality of life (QOL) due to estrogen deprivation. This affects adherence to endocrine treatments, potentially compromising outcomes. While there is increasing recognition of genitourinary side effects, vulvovaginal health remains under-addressed. Many clinicians overlook the impact of endocrine therapy on the genitourinary system and lack knowledge about safe and effective treatments, leading to undertreatment and aggravated symptoms. Proper treatments not only boost the QOL but also enhance endocrine therapy adherence, directly influencing long-term outcomes. We offer an updated review and guidelines on vulvovaginal health for BC survivors. Our review details the genitourinary hypoestrogenic state, its effects on the genitourinary system, its diagnosis, as well as the safety, effectiveness, and available treatment options for BC patients. Furthermore, we offer practical recommendations for managing vulvovaginal symptoms, considering underlying mechanisms and the safe use of topical estrogen, with attention to receptor and cancer status. Practical care for vaginal health in women after breast cancer Many breast cancer survivors experience a lower quality of life due to the lack of estrogen caused by their treatments. This can lead to uncomfortable symptoms, especially in the genital and urinary areas, and make it harder for them to adhere to their hormone therapy, potentially compromising their outcomes. Unfortunately, these issues are often overlooked by doctors, who may not feel confident that they have effective and safe tools to minimize and improve these complaints. This article reviews the effects of low estrogen on the genital and urinary systems and offers updated guidelines on how to diagnose and treat these problems in breast cancer patients. It includes practical recommendations for managing symptoms and discusses the safe use of treatments like topical estrogen, considering the patient’s cancer type and hormone status. Proper treatment can improve the quality of life and help patients stay on track with their cancer therapy, ultimately improving outcomes.

PurposeTo investigate the effect of lactation on breast cancer conspicuity on dynamic contrast-enhanced (DCE) MRI in comparison with diffusion tensor imaging (DTI) parametric maps.Materials and methodsEleven lactating patients with 16 biopsy-confirmed pregnancy-associated breast cancer (PABC) lesions were prospectively evaluated by DCE and DTI on a 1.5-T MRI for pre-treatment evaluation. Additionally, DCE datasets of 16 non-lactating age-matched breast cancer patients were retrospectively reviewed, as control. Contrast-to-noise ratio (CNR) comprising two regions of interests of the normal parenchyma was used to assess the differences in the tumor conspicuity on DCE subtraction images between lactating and non-lactating patients, as well as in comparison against DTI parametric maps of λ1, λ2, λ3, mean diffusivity (MD), fractional anisotropy (FA), and maximal anisotropy index, λ1–λ3.ResultsCNR values of breast cancer on DCE MRI among lactating patients were reduced by 62% and 58% (p < 0.001) in comparison with those in non-lactating patients, when taking into account the normal contralateral parenchyma and an area of marked background parenchymal enhancement (BPE), respectively. Among the lactating patients, DTI parameters of λ1, λ2, λ3, MD, and λ1–λ3 were significantly decreased, and FA was significantly increased in PABC, relative to the normal lactating parenchyma ROIs. When compared against DCE in the lactating cohort, the CNR on λ1, λ2, λ3, and MD was significantly superior, providing up to 138% more tumor conspicuity, on average.ConclusionBreast cancer conspicuity on DCE MRI is markedly reduced during lactation owing to the marked BPE. However, the additional application of DTI can improve the visualization and quantitative characterization of PABC, therefore possibly suggesting an additive value in the diagnostic workup of PABC.Key Points• Breast cancer conspicuity on DCE MRI has decreased by approximately 60% among lactating patients compared with non-lactating controls.• DTI-derived diffusion coefficients and the anisotropy indices of PABC lesions were significantly different than those of the normal lactating fibroglandular tissue.• Among lactating patients, breast cancer conspicuity on DTI-derived parametric maps provided up to 138% increase in contrast-to-noise ratio compared with DCE imaging.

The purpose of this study was to assess pathological complete response and whether it serves a surrogate for survival among patients receiving neo-adjuvant doxorubicin–cyclophosphamide followed by paclitaxel for triple-negative breast cancer with respect to BRCA1 mutation status. From a neo-adjuvant systemic therapy database of 588 breast cancer cases, 80 triple-negative cases who had undergone BRCA genotyping were identified. Logistic regression model was fitted to examine the association between BRCA1 status and pathological complete response. Survival outcomes were evaluated using Kaplan–Meier method, differences between study groups calculated by log-rank test. Thirty-four BRCA1 carriers and 43 non-carriers were identified. The BRCA1 carriers had pathological complete response rate of 68 % compared with 37 % among non-carriers, p  = 0.01. Yet this did not translate into superior survival for BRCA1 carriers compared with non-carriers. No difference in relapse-free survival were noted among those with or without pathological complete response in BRCA1 carriers regardless of pathological complete response status (Log-rank p  = 0.25), whereas in the non-carrier cohort, relapse-free survival was superior for those achieving pathological complete response (Log-rank p  < 0.0001). Response to neo-adjuvant systemic therapy differed in BRCA1 -associated triple-negative breast cancer compared with triple-negative non-carriers, with a higher rate of pathological complete response. However, compared with non-carrier triple-negative breast cancer, pathological complete response was not a surrogate for superior relapse-free survival in BRCA1 patients. Future studies using specific chemotherapy regimens may provide further improvements in outcomes.

BRCA1 and BRCA2 are tumor suppressor genes that have been linked to inherited susceptibility of breast cancer. Germline BRCA1/2 pathogenic or likely pathogenic variants (gBRCAm) are clinically relevant for treatment selection in breast cancer because they confer sensitivity to poly(ADP-ribose) polymerase (PARP) inhibitors. BRCA1/2 mutation status may also impact decisions on other systemic therapies, risk-reducing measures, and choice of surgery. Consequently, demand for gBRCAm testing has increased. Several barriers to genetic testing exist, including limited access to testing facilities, trained counselors, and psychosocial support, as well as the financial burden of testing. Here, we describe current implications of gBRCAm testing for patients with breast cancer, summarize current approaches to gBRCAm testing, provide potential solutions to support wider adoption of mainstreaming testing practices, and consider future directions of testing.

Female BRCA1 / BRCA2 mutation carriers are at substantially increased risk for developing breast and/or ovarian cancer, and are offered enhanced surveillance including screening from a young age and risk-reducing surgery (RRS)—mastectomy (RRM) and/or salpingo-oophorectomy (RRSO). While there are established guidelines for early detection of breast cancer in high-risk women who have not undergone RRM, there are less developed guidelines after RRM. We evaluated the schemes offered before and after RRS in internationally diverse high-risk clinics. An e-mailed survey was distributed to high-risk clinics affiliated with CIMBA. Overall, 22 centers from 16 countries responded. Pre RRS surveillance schemes overwhelmingly included breast imaging (primarily MRI) from 18 to 30 years and clinical breast exam (CBE) at 6–12 month intervals. For ovarian cancer, all but 6 centers offered semiannual/annual gynecological exam, transvaginal ultrasound, and CA 125 measurements. Post RRM, most centers offered only annual CBE while 4 centers offered annual MRI, primarily for substantial residual breast tissue. After RRSO only 4 centers offered specific gynecological surveillance. Existing guidelines for breast/ovarian cancer detection in BRCA carriers are being applied pre RRS but are not globally harmonized, and most centers offer no specific surveillance post RRS. From this comprehensive multinational study it is clear that evidence-based, long-term prospective data on the most effective scheme for BRCA carriers post RRS is needed.

Germline pathogenic sequence variants (PSVs) in BRCA1 substantially increase risk for developing breast (BC) and ovarian cancer (OvC). Yet, incomplete penetrance suggests that modifier factors affect phenotypic expression of mutant BRCA1 alleles. Analysis of identical BRCA1 PSV carriers of diverse ethnicities may provide further evidence for modifier factors. Female carriers of the 185delAG BRCA1 PSV identified through high-risk clinics in Israel, and Manchester England from 1998-2018 were eligible. Data were retrieved from patients records and confirmed (in Israel) by cross referencing with the Israeli National Cancer Registry. Overall, 2503 female carriers were included: 1715 (71.4%) Ashkenazi Jews (AJ), 201 (8.3%) Iraqi Jews and 383 (15.9%) of mixed ethnicity. In 102 (4.2%) cases ethnicity could not be ascertained. Of Israeli AJ carriers 649 (37.8%), 256 (14.9%) and 62 (3.6%) were diagnosed with BC, OvC or both cancers, respectively. For the Iraqi Jews these frequencies were 76 (37.8%), 43 (21.4%), and 8 (3.98%), respectively. Age at diagnosis of BC in AJ and Iraqi Jews was 46.7 ± 12.3 years and 52.8 ± 12.2 years, respectively (p = 0.001). For OvC age at diagnosis for AJ was 53.5 ± 10.7 years and for Iraqi Jews 50.1 ± 8.8 years (p = 0.0027). No differences in these parameters were noted between English Jews (n = 110) and non-Jews (n = 32). Age at diagnosis of BC and OvC differs between AJ and Iraqi Jews who carry an identical BRCA1 PSV. This finding supports the existence of modifier factors that may be ethnic specific.