Hooperogle2000
cancers, and suboptimal molecular testing methods. In this rapidly developing area, gold-standard testing methods and companion diagnostics are needed to capture all
gene fusions.
This research confirms the rarity and varying frequency of NTRK gene fusion across tumor types. Limitations included relatively low historic NTRK gene fusion testing and reporting, limited study samples for some cancers, and suboptimal molecular testing methods. In this rapidly developing area, gold-standard testing methods and companion diagnostics are needed to capture all NTRK gene fusions.
In this study, we investigated the impact of chemotherapy on breast cancer-specific survival (BCSS) in patients with mucinous carcinoma using the surveillance, epidemiology, and end results (
) database.
A large-scale
-based retrospective analysis was conducted; 13,329 patients with mucinous carcinoma from 1994 to 2014 were identified. Clinicopathological characteristics were compared using the chi-square test. BCSS curves were generated using the Kaplan-Meier method. The prognostic significance of all demographic and clinicopathological characteristics and treatment patterns were calculated using univariate and multivariate regression analyses.
Mucinous carcinoma was demonstrated to be less aggressive than invasive ductal carcinoma and predicted a better prognosis in the Kaplan-Meier analysis (hazard ratios = 0.336, 95% confidence interval 0.308-0.368,
< 0.001). Univariate and multivariate analyses revealed that chemotherapy did not provide any additional benefit for patients with mucinous carsurvival of all subtypes of mucinous carcinoma based on large-scale SEER data. These results support that patients with mucinous carcinoma could be exempt from chemotherapy. Additional research is needed to further evaluate the impact of adjuvant treatments, particularly in patients with favorable histology.
PARP inhibitor (PARPi) monotherapy is a new strategy in
germ-line deficient triple negative breast cancer (TNBC). Selleckchem EAPB02303 However, not all patients respond, and the development of resistance limits the use of PARPi monotherapy. Therefore, the development of alternative synthetic lethality strategy, including in sporadic TNBC, is a priority.
, a key player in base excision repair, single strand break repair, nucleotide excision repair and alternative non-homologous end joining, interacts with
and coordinates DNA repair.
,
and
have essential roles in DNA repair and cell cycle regulation.
Highly selective inhibitors of ATR (AZD6738), ATM (AZ31) and Wee1 (AZD1775) either alone or in combination with olaparib were tested for synthetic lethality in XRCC1 deficient TNBC or HeLa cells. Clinicopathological significance of ATR, ATM or Wee1 co-expression in XRCC1 proficient or deficient tumours was evaluated in a large cohort of 1650 human breast cancers.
ATR (AZD6738), ATM (AZ31) or Wee1 (AZD1775) monotherapy was selectively toxic in XRCC1 deficient cells. Selective synergistic toxicity was evident when olaparib was combined with AZD6738, AZ31 or AZD1775. The most potent synergistic interaction was evident with the AZD6738 and olaparib combination therapy. In clinical cohorts, ATR, ATM or Wee1 overexpression in XRCC1 deficient breast cancer was associated with poor outcomes.
XRCC1 stratified DNA repair targeted combinatorial approach is feasible and warrants further clinical evaluation in breast cancer.
XRCC1 stratified DNA repair targeted combinatorial approach is feasible and warrants further clinical evaluation in breast cancer.The aim of the present study was to see how widespread preventative use of the probiotic Saccharomyces boulardii via automatic protocol in hospitalised patients receiving antibacterials affected rates of hospital-associated Clostridioides (Clostridium) difficile infection (HA-CDI). Rates of HA-CDI appeared to be similar between the pre-protocol and protocol periods. Use of CDI treatment antibiotics (oral metronidazole and oral vancomycin) was also similar. Laboratory-confirmed isolation of S. boulardii from sterile body sites was identified in five patients during the protocol versus only one case in the pre-protocol years.Methicillin-resistant Staphylococcus aureus (MRSA) colonisation is a challenge in healthcare institutions worldwide. In this retrospective nation-wide study, the rates of MRSA colonisation and infection from 2012 to 2015, on the only neonatal and paediatric intensive care unit (NPICU) in the country, were determined. Mean local rates were compared to rates of MRSA colonisation reported in units in North America, Asia and Europe between 2001 and 2010. The average rate of MRSA colonisation on admission to NPICU from 2012 to 2015 was 3.71% (95% confidence interval [CI] 2.17-5.25), while the mean rate of acquired colonisation was 14.60% (95% CI 6.16-23.04). Both were significantly higher than in units abroad 1.9% and 4.1%, respectively (P = 0.04 and P less then 0.001). There were no cases of invasive MRSA infection, while the mean rate of non-invasive infection was 0.77% (95% CI 0.54-1.01). Improved adherence to infection control measures and newer molecular diagnostic techniques are needed to further decrease the acquisition of MRSA.
Numerous interventions have tried to improve healthcare workers' hand hygiene compliance. However, little attention has been paid to children's and their visitors' compliance.
To test whether interactive educational interventions increase children's and visitors' compliance with hand hygiene.
This was a cluster randomised study of hand hygiene compliance before and after the introduction of educational interventions. Observations were compared for different moments of hygiene and times of the day. Qualitative data in the form of questionnaire-based structured interviews were obtained.
Hand hygiene compliance increased by 24.4% (
< 0.001) following the educational interventions, with children's compliance reaching 40.8% and visitors' being 50.8%. Compliance varied depending on which of the five moments of hygiene was observed (
< 0.001), with the highest compliance being 'after body fluid exposure' (72.7%). Responses from questionnaires showed educational interventions raised awareness of the importance of hand hygiene (69%, 57%) compared to those who had not experienced the educational intervention (50%).