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Early PET scan could chemo response in aggressive breast cancer – study

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An early PET scan after one cycle of chemotherapy may help predict how aggressive breast cancer responds to treatment, a study suggests.

Research led by The Institute of Cancer Research, London and King’s College London suggests that an early scan taken after one cycle of chemotherapy could help predict how well a patient’s cancer will respond to treatment.

The study focused on patients with triple-negative breast cancer (TNBC), an aggressive form of the disease in which cancer cells lack receptors for the hormones oestrogen and progesterone, as well as the HER2 protein.

Patients with TNBC are usually treated with chemotherapy prior to surgery. While many respond well, residual disease at surgery, typically around six months later, is associated with a significantly poorer prognosis. Identifying people sooner who are unlikely to respond remains a major clinical challenge.

The research explored whether using PET imaging shortly after treatment begins, rather than relying only on MRI scans later in the treatment process, could provide earlier insight into how a patient’s cancer is responding. Twenty-two patients were recruited, with fourteen undergoing FDG-PET scans before treatment and after the first cycle of chemotherapy.

The findings, published in Clinical Cancer Research, showed that changes seen on PET scans after just one cycle of chemotherapy were strongly associated with subsequent response, including whether there was no detectable cancer, known as a complete response, by the end of treatment. Importantly, early PET response showed stronger associations with treatment outcomes than standard mid-treatment MRI scans in this study.

Being able to identify patients who are not responding well at an early stage could allow clinicians to adjust treatment sooner or consider alternative approaches. These findings may also support future strategies to better tailor treatment intensity to individual patients.

The study also compared two types of PET tracers, FDG and FLT, to determine which was most suitable. While both met the study’s technical criteria, FDG-PET was selected for further evaluation due to its better image quality, greater consistency and wider use in clinical practice.

The research also explored how imaging changes after just one cycle of chemotherapy relate to the body’s immune response to treatment. Biopsies taken before and after the first cycle of chemotherapy showed that an increase in immune cells within the tumour was strongly associated with both early PET changes and improved treatment outcomes.

The researchers emphasise that these findings now need to be validated in larger studies. Future work will aim to confirm these results in broader patient groups and explore more accessible imaging approaches, such as ultrasound, alongside PET and MRI.

Sheeba Irshad, professor of cancer immunology at King’s College London and lead of the Breast Cancer Now KCL Research Unit, said:

“In patients who had PET scans both before treatment and after the first cycle, we found that this early scan could predict whether they were likely to achieve a complete response by the end of treatment. These findings highlight the potential of early imaging to guide treatment decisions, and now need to be validated in larger, modern clinical trials.”

Andrew Tutt, professor of breast oncology at The Institute of Cancer Research, London, said:

“Research that helps us determine early who is already benefitting from standard neoadjuvant chemotherapy and who might benefit from clinical trials to find better treatments is vital. This study shows that FDG-PET may have great value in this regard. We hope to be able to design studies that further investigate and validate these findings.”

The study was supported by funding from King’s College London and Guy’s and St Thomas’ NHS Foundation Trust, Breast Cancer Now, Cancer Research UK, and Guy’s and St Thomas’ Charity.

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Women with birth trauma face 2.5x higher healthcare costs – study

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Women with childbirth-related PTSD had healthcare costs 2.5 times higher than women without PTSD from six to 12 months after birth, a report found.

The analysis estimated that early prevention of traumatic births and childbirth-related post-traumatic stress disorder (PTSD) could save the NHS around £26m each year.

Women with PTSD were also less likely to have returned to work by 12 months after giving birth, suggesting potential longer-term employment and economic effects.

The report from City St George’s, University of London was launched at an All-Party Parliamentary Group (APPG) on Birth Trauma event on 10 September 2026.

Researchers calculated the potential NHS savings using the number of births reported in NHS hospitals in 2024-25 and the UK prevalence of childbirth-related PTSD.

Around one in 20 women in the UK develop PTSD following childbirth, while recent research has shown that the condition remains underdiagnosed.

The findings draw on research that tracked more than 2,000 women in England and Scotland from pregnancy to two years after birth. Researchers assessed mental health, use of health services and employment outcomes.

The research included assessments of childbirth-related PTSD and PTSD arising from other traumatic experiences. It also included a separate Birth Trauma Association survey examining women’s experiences of birth trauma.

Between six and 12 months after birth, healthcare and support service costs for women with childbirth-related PTSD were 2.5 times those of women without PTSD.

Women with low or moderate symptoms, including those reporting one or two PTSD symptoms, also had higher healthcare service costs than women without PTSD.

Just over half, 53 per cent, of women with PTSD had returned to work by 12 months after giving birth, compared with 68 per cent of women without symptoms.

Women with PTSD were more likely to be referred for mental health support, but more than half received no referral.

Those whose PTSD followed a traumatic birth also had slightly higher healthcare costs than women whose PTSD resulted from other traumatic experiences.

The researchers called for routine PTSD assessment and treatment during pregnancy and after childbirth, alongside greater access to specialist perinatal mental health services.

They also recommended training healthcare staff in perinatal trauma, trauma-informed care and identifying women at risk of PTSD.

The report said further research was needed to establish whether screening, treatments and trauma-informed care pathways are effective and evidence based.

The work follows the APPG’s 2024 Birth Trauma Inquiry, which highlighted the effects of birth trauma on women and families and called for evidence on its wider public health and societal costs.

The report focused primarily on healthcare use and did not attempt to calculate all costs associated with birth trauma and postnatal PTSD, including wider employment, family and societal effects.

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UK reviews surrogacy firm over rejected insurance claims

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The UK government is reviewing a surrogacy firm after complaints that medical insurance claims involving surrogates in Mexico were rejected.

The Department of Health and Social Care (DHSC) is considering whether UK-based provider My Surrogacy Journey should remain listed on gov.uk as one of four domestic surrogacy agencies available to intended parents.

The review follows allegations concerning its Mexican sister company, where surrogates are based.

Health minister Diana Johnson said: “The department is looking into the allegations about My Surrogacy Journey.

“As part of that assessment, the department will consider whether it is appropriate for that company to remain on the gov.uk list of agencies.”

Emails sent by My Surrogacy Journey chief executive Michael Johnson-Ellis and seen by the Guardian suggest multiple surrogate women in Mexico had their insurance claims rejected.

The emails also suggest 300 couples using the company were moved to a new insurance provider because of the increased risk of claims being rejected.

Commercial surrogacy is banned in the UK, where only altruistic arrangements are permitted.

My Surrogacy Journey operates a not-for-profit UK branch alongside for-profit sister companies in Mexico and the US. All three companies have the same owners and chief executives.

The reported insurance issues relate to surrogacy arrangements in Mexico.

One couple told the Guardian they paid tens of thousands of pounds to cover medical costs after their surrogate had a hysterectomy during childbirth and an insurance claim was refused.

The Guardian said it understood that at least five sets of parents said they had to cover medical costs after insurance claims were rejected.

In an email to the couple whose surrogate underwent a hysterectomy, Johnson-Ellis wrote: “We have already told you that the insurance companies have been declining some of the claims and we are actively working with the broker to get this issue resolved but you should also consider that they may not be paid out and there is nothing we are able to do to change this …

“We appreciate this is not an insignificant sum but this genuinely is out of our control.”

Johnson-Ellis also said the company had switched insurance providers, writing: “We’re also managing this for 300 other journeys, which is a complex position to be in.”

Lawyers acting for My Surrogacy Journey said the company did not comment on individual cases, but that existing insurance policies were in place and claims continued to be accepted and processed.

They said the company understood that a small number of claims had been rejected and was supporting people seeking to resolve those claims with an insurer.

Under the surrogacy arrangements, intended parents are understood to be contractually required to cover medical costs not paid by an insurer.

The couple said they had been recommended the company’s Mexico option. Its website advertises that intended parents using the route can have a baby in “under 18 months”.

They said they were told the UK route could take up to five years and that the US option was much more expensive.

Lawyers for My Surrogacy Journey said prospective parents are given information about typical timelines, costs, legal frameworks and practical considerations, and that the 18-month timeframe is indicative only.

The couple said their surrogate developed placenta accreta, a serious condition in which the placenta attaches to the wall of the uterus.

Emails from Johnson-Ellis acknowledged that the insurance provider investigated the birth after the surrogate experienced health complications.

The parents are considering legal action, while the Guardian said it understood at least four other couples were reviewing their options.

Phil Brickell, MP for Bolton West, raised concerns in parliament about a separate couple who had used My Surrogacy Journey.

He said: “Two of my constituents recently travelled to Mexico, where their children were born by surrogacy.

“Those births were facilitated by a company called My Surrogacy Journey, which is listed on gov.uk.

“While in Mexico, they had repeated traumatic experiences with the company relating to issues including insurance for their children, accusations of bullying towards staff and repeated efforts to silence any constructive criticism.

“I understand that other members of this house have received similar complaints.”

Brickell called for My Surrogacy Journey to be removed from gov.uk pending a review by the Human Fertilisation and Embryology Authority.

Lawyers acting for My Surrogacy Journey said the company was communicating with DHSC and was confident any issues could be resolved.

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Research uncovers potential new target for breast cancer therapy

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Targeting CD1d altered immune cells slowed tumour growth and improved immunotherapy responses in mouse models of breast cancer, researchers found.

The findings suggest blocking the molecule could make the environment around breast tumours more favourable to anti-cancer immune responses.

Further work is needed to understand how these immune changes occur and how the approach could be safely used in patients.

Researchers from King’s College London, the Francis Crick Institute and University College London investigated how immune cells inside breast tumours influence cancer growth.

They focused on myeloid cells, a group of immune cells found in large numbers within tumours that can either support an immune attack against cancer or contribute to tumour growth and immune evasion.

The team examined CD1d, a molecule found on the surface of myeloid and other immune and tissue cells that helps regulate immune responses.

When CD1d was genetically removed from cells in a mouse model of breast cancer, the mice were more resistant to tumour growth. Researchers also saw changes in myeloid cell populations, including increased activity among cells that can help attack cancer.

The team then blocked CD1d using an antibody and again observed changes in myeloid cells and slower tumour growth. Blocking CD1d also improved responses to immunotherapy in the mouse model.

Researchers used single-cell RNA sequencing, a technique that examines gene activity in individual cells, to investigate the immune changes in more detail.

They identified a population of myeloid cells called monocytes that expressed genes associated with inflammation, an important part of the immune response. These cells were particularly important in restricting tumour growth in the mouse models.

A similar pattern of gene activity was identified in data from human breast cancer tumours. Its presence in myeloid cells was associated with positive responses to immunotherapy in breast cancer patients.

However, the findings in people were based on gene expression data and did not test CD1d-targeting treatment in patients.

Professor Patricia Barral, professor of immunobiology at King’s College London and senior author of the study, said: “Many breast cancers do not respond well to current immunotherapies.

“Our findings reveal a previously unrecognised mechanism by which immune cells within tumours are regulated.

“While CD1d is best known for helping immune cells recognise lipid molecules, we found that it also plays a role in shaping the behaviour of myeloid cells within tumours.

“These findings suggest that targeting the immune cells that surround and support tumours could boost anti-cancer immunity and potentially improve treatment responses in the future.”

Researchers now plan to investigate how the immune changes occur and how they can be safely harnessed in patients.

They also want to examine whether targeting CD1d could enhance existing treatments and influence treatment responses in different cancer types.

The work was supported by UKRI BBSRC, Breast Cancer Now and the Cancer Research UK City of London Centre.

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