Insight
Screening improves stage IV breast cancer survival rate by 60% – study
Women with stage IV breast cancer found through screening had a 60 per cent chance of surviving 10 years after diagnosis, a study found.
This compares with a survival rate of under 20 per cent for those whose stage IV breast cancer was not detected through screening.
Stage IV is the most serious stage, meaning the cancer has spread to distant organs or tissues.
The study looked at whether the way breast cancer is detected affects survival at different stages.
It found stage IV cancers picked up through screening were more likely to be treated with surgery, suggesting the spread was limited enough for full removal to be attempted.
Dr Amy Tickle, the lead author who undertook the research whilst doing a PhD at King’s College London, said: “Our results show that how breast cancer is detected could impact the patient’s survival chances.
“There is understandably a lot of fear around cancer being found late, but our findings provide reassurance that long-term survival is still possible when it is found during screening.
“Our research highlights the importance of screening programmes and we hope this encourages everyone who is invited to attend their appointment.
“Further research is now needed to better understand the reasons behind this improved survival.”
Researchers from King’s College London, Queen Mary University London and the University of Southern Denmark linked Danish breast screening records from 2010 to 2019 with national death records from 2010 to 2022.
They compared mortality in women with breast cancer with women without the disease to estimate excess mortality, meaning deaths above the level expected without breast cancer.
Mortality in women without breast cancer was also assessed by prior screening history, which the team said removed biases linked to screening participation.
Professor Peter Sasieni, Dr Tickle’s PhD supervisor at King’s College London, who now works at Queen Mary University of London, said: “We looked at survival in women with screened detected breast cancer, in women who had never been screening and in women who had been screened previously but whose cancer was not detected through screening.
“For women with Stages I, II and III breast cancer, survival did not vary by screening history.
“But for stage IV breast cancer, we were surprised to see that prognosis for those whose cancer was screened detected resembled that of women with stage III breast cancer; they were three times more likely to live for another 10 years than other women with stage IV breast cancer.”
In the UK, the NHS offers screening to women aged 50 to 70 every three years, with invitations sent automatically to those registered with a GP, with the first appointment usually by age 53.
The authors said the findings could also help monitor screening programmes by tracking the stage at diagnosis, which may allow changes to breast screening to be assessed five to 10 years sooner than waiting to measure breast cancer mortality directly.
GSK said its ovarian cancer drug shrank or cleared tumours in more than 60 per cent of patients in an early trial as CCO Luke Miels pushes faster development.
The company said that in an early-stage trial, Mocertatug Rezetecan, known as Mo-Rez, shrank or eliminated tumours in 62 per cent of patients with ovarian cancer after chemotherapy had failed, and in 67 per cent of those with endometrial cancer.
Hesham Abdullah, GSK’s global head of cancer research and development, said: “Treatment of gynaecological cancers remains a major challenge, with a pressing need for new therapies that offer improved response rates.
“With Mo-Rez we now have compelling evidence of a promising clinical profile.”
GSK acquired the Mo-Rez treatment, an antibody-drug conjugate, from China’s Hansoh Pharma in late 2023 and has trialled it in 224 patients around the world, including the UK, over the past year.
Only a few patients needed to stop treatment because of side effects, the most common being nausea.
It is given every three weeks by intravenous infusion, meaning directly into a vein.
Combined with data from a separate intermediate trial in China, the results have given the British drugmaker the confidence to go straight to late-stage trials, with five clinical studies planned globally in the next few months, including on patients in the UK.
Speaking to journalists before the conference, Abdullah described Mo-Rez as a “key asset” in the company’s growing cancer portfolio.
It is expected to be a blockbuster drug, with peak annual sales of more than £2bn, which GSK hopes will help it achieve its 2031 sales target of £40bn.
A few years ago GSK did not have any cancer drugs on the market, but it now has four approved medicines and 13 in clinical development.
Last year, oncology generated nearly £2bn in sales, up 43 per cent from 2024, with sales of its endometrial cancer drug Jemperli rising 89 per cent.
Self-employment is linked to lower rates of high blood pressure, obesity, diabetes, poor health and binge drinking in Hispanic women, research suggests.
The findings, published in the peer-reviewed journal Ethnicity & Disease, suggest work structure may be related to cardiovascular disease risk among this group.
Dr Kimberly Narain is assistant professor of medicine in the division of general internal medicine and health services research at the David Geffen School of Medicine at UCLA, senior author of the study, and director of health services and health optimisation research for the Iris Cantor-UCLA Women’s Health Center.
She said: “Hispanic women experience a disproportionate burden of heart disease compared to non-Hispanic women. This is the first study to link the structure of work with risks for heart disease among this group of women.”
The researchers examined 2003 to 2022 data from the Behavioral Risk Factor Surveillance System to assess the association between self-employment, cardiovascular disease risk factors and health outcomes for Hispanic women.
The data included 165,600 Hispanic working women. Of those, about 21,000, or 13 per cent, were self-employed rather than working for wages or a salary.
Overall, the researchers found that self-employed women were less likely to report cardiovascular-disease-associated health problems.
They were also about 11 per cent more likely to report exercising compared with their non-self-employed counterparts.
Specifically, they found that self-employed Hispanic women had a 1.7 percentage point lower chance of reporting diabetes, roughly a 23 per cent decline.
They also had a 3.3 percentage point lower chance of reporting hypertension, roughly a 17 per cent decline.
The study also found a 5.9 percentage point lower chance of reporting obesity, roughly a 15 per cent decline.
It found a 2.0 percentage point lower chance of reporting binge drinking, roughly a 2 per cent decline.
It also found a 2.5 percentage point lower chance of reporting poor or fair overall health, roughly a 13 per cent decline.
The relationship between heart disease risks and the structure of work among Hispanic women was not driven by access to healthcare or differences in income, Narain said.
In fact, the decrease in high blood pressure linked to self-employment was nearly as large as the decrease in high blood pressure linked to being in the highest income group.
The study has some limitations.
The researchers relied on self-reported outcomes, which might be less reliable among ethnic and racial minorities and those from a lower socioeconomic background.
In addition, the researchers’ definition of poor mental health does not entirely match the accepted definition in the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders.
They also did not have data allowing them to examine the specific types of occupations held by the women.
The study design also cannot prove any causal relationship between self-employment and cardiovascular disease risk, which is a subject the researchers will explore.
“The next step in the research is to conduct studies that are able to better assess if the structure of work is a cause of higher heart disease risks among Hispanic women.”
Narain said this.
Study co-authors are Lisette Collins, who led the research, and Dr Frederick Ferguson of UCLA.
Grants from the Iris Cantor-UCLA Women’s Health Center-Leichtman-Levine-TEM program and the UCLA National Clinician Scholars Program supported the research.
Working from home is linked to 0.32 more children per woman when both partners do it at least once a week, research across 38 countries suggests.
The study found that among working adults aged 20 to 45, estimated lifetime fertility, meaning children already born or fathered plus plans for future children, rises when one or both partners work remotely.
In the US, the increase was even higher at 0.45 children per woman.
On average, women whose partners did not work from home had 2.26 children.
When the woman worked from home at least one day a week, this rose to 2.48. When both partners did so, it increased to 2.58.
If the man worked from home at least one day a week, the increase was more limited at 2.36 children.
The research, by Steven J. Davis and colleagues and published as a working paper by the National Bureau of Economic Research, points to three possible explanations.
Remote working may make it easier to balance childcare with paid work, leading some couples to have more children.
Families with children may also be more likely to look for remote roles. Or the growing availability of those roles may lift fertility by opening up more parent-friendly jobs.
“All three stories align with the idea that WFH jobs make it easier for parents to combine child rearing and employment,” the report suggests.
The pattern held both after the pandemic, between 2023 and 2025, and before it, between 2017 and 2019.
The implications for national fertility rates vary mainly because working-from-home rates differ widely between countries.
Among workers aged 20 to 45, the share working from home at least one day a week ranges from 21 per cent in Japan to 60 per cent in Vietnam. The UK ranks third globally and leads Europe at 54 per cent.
The report estimates that, if “interpreted causally”, remote working accounts for 8.1 per cent of US fertility, equal to about 291,000 births a year as of 2024.
The researchers note that while this may sound modest, it is larger than the effect of government spending on early childhood care and education in the US.
“Bringing WFH rates to the levels that currently prevail in the United States, United Kingdom, and Canada has the potential to materially boost fertility in many other countries,” the report suggests.
However, the research cautions against broad policy approaches, saying the desire for remote work varies widely between individuals, and that it is not practical in every job or organisation.
“Thus, policy interventions that push for a one-size-fits-all approach to working arrangements are likely to yield unhappier workers and lower productivity,” it warns.
A UK Parliament report has also found that remote and hybrid work can boost employment, with parents, carers and people with disabilities likely to benefit most from more flexible working options.
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