In a significant development for cancer care, the National Health Service (NHS) has approved a groundbreaking new treatment for patients battling an aggressive form of bile duct cancer. The drug, known as zanidatamab or Ziihera, has been recommended for use in England and Wales, offering renewed hope to those with limited options.
Approval and Recommendations
The National Institute for Health and Care Excellence (Nice) has given the green light for zanidatamab, an antibody-based therapy, to be used within the NHS. This approval specifically targets individuals diagnosed with HER2-positive advanced biliary tract cancer who have already undergone at least one prior treatment regimen.
Clinical Trial Results
Clinical trials have demonstrated remarkable outcomes for patients receiving zanidatamab. On average, survival times have been shown to increase dramatically, with patients living for 18.1 months compared to just 6.2 months with existing second-line therapies. This represents an almost threefold extension in life expectancy, marking a substantial improvement in prognosis for this challenging condition.
Mechanism of Action
Zanidatamab operates by targeting the HER2 protein, which is known to stimulate tumour growth in certain cancers. By binding to this protein, the treatment activates the body's immune system to attack and eliminate cancer cells while simultaneously reducing HER2 levels. This dual-action approach enhances the drug's effectiveness in combating the disease.
Patient Impact and Accessibility
It is estimated that approximately 65 patients each year will benefit from access to zanidatamab through the NHS. This is particularly crucial for bile duct cancer, which is often diagnosed at a late stage when treatment options are severely limited. The approval provides a vital new avenue for care, potentially transforming outcomes for those affected.
The introduction of zanidatamab underscores ongoing efforts to expand and improve cancer treatments within the NHS, addressing unmet needs in oncology and offering tangible hope to patients and their families facing this aggressive disease.



