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Britain clears targeted antibody to ease malignant ascites in advanced cancer

Britain clears targeted antibody to ease malignant ascites in advanced cancer

Britain's medicines regulator approved catumaxomab (Korjuny) for malignant ascites in adults with no standard treatment options; a 258-patient trial showed…

--- The context --- Malignant ascites — fluid carrying cancer cells that pools in the abdomen — torments patients whose cancer no longer answers to standard treatment, forcing them into repeated, draining procedures that erode their remaining quality of life. --- The facts --- Britain's medicines regulator has approved catumaxomab, sold as Korjuny, for adults with malignant ascites when standard cancer treatment is no longer feasible. The drug is a monoclonal antibody that recognises the EpCAM protein on certain cancer cells, including those floating in ascitic fluid, and switches on immune cells to help destroy them. The main trial enrolled 258 patients with EpCAM-positive cancer and malignant ascites who had no further chemotherapy options. After paracentesis, those given catumaxomab went about 46 days without needing another drainage, versus 11 days for paracentesis alone. It is given as four infusions through a catheter directly into the abdominal cavity, with the dose rising each time, under a cancer specialist's supervision. Common side effects include nausea, vomiting, diarrhoea, abdominal pain, fever, chills, fatigue and cytokine release syndrome. The marketing authorisations were granted on 2 October to Atnahs Pharma UK Limited under the International Recognition Procedure. --- The positions --- The agency's interim executive director said malignant ascites places a considerable burden on people living with cancer when further options are limited, and described the approval as an additional option to extend the time patients live without another drainage procedure. He added that safety will be monitored closely and urged reporting of suspected side effects through the Yellow Card scheme. --- What remains unknown --- The announcement says nothing about price, public funding or hospital rollout timelines. Nor is it clear whether use will be studied beyond the trial's narrow profile: EpCAM-positive adults with no chemotherapy left. --- Unanswered questions --- How many EpCAM-positive patients will actually receive this treatment in its first year? Will the 46-day benefit hold up in everyday clinical practice outside the trial? How will side effects weigh on the quality of life of already frail patients? --- EPM analysis --- Beyond the regulatory milestone, this approval puts Britain at the leading edge of therapies aimed at the tumour's surroundings: instead of chasing only the primary tumour, catumaxomab turns the ascitic fluid itself into an immune battleground. For patients past the point where chemotherapy helps, every week without an abdominal puncture matters. 📌 EPM Take: In EPM's view, the catumaxomab authorisation marks a shift in supportive oncology: malignant ascites stops being treated as an inevitable symptom and becomes a therapeutic target with an immune bullseye. The leap from 11 to 46 days without drainage does not cure, but it returns something advanced cancer usually steals: time free of invasive procedures. Safety surveillance will be the true test of its worth, and real hospital access will decide whether this news becomes tangible relief for thousands of patients.
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