How long does targeted therapy take to work for non-small cell lung cancer?

The response depends on the tumour’s molecular features, the selected medicine, where the cancer has spread, earlier treatments and your overall health. Benefit may appear as easier breathing, less pain, improved energy or stable disease, but symptoms can also be influenced by other conditions or treatment effects.

Your team may review symptoms, oxygen or breathing concerns, blood tests and imaging. Scans are compared with earlier images to judge whether the cancer is shrinking, stable or changing. If symptoms improve quickly, treatment is still continued and checked according to the planned schedule.

Take each dose as directed and record cough, breathlessness, pain, appetite, bowel changes and skin symptoms. Report new symptoms rather than waiting for the next scan. Tell the oncology team about medicines, supplements and changes in health, since some products can interfere with targeted treatment.

Keep laboratory appointments and scans even if you feel well. Ask when the first review is due, what response the scan will assess and how side effects will be managed. Never take an extra dose after vomiting or a missed tablet unless the team tells you to do so.

Contact your oncology team promptly for worsening breathlessness, a new or persistent cough, fever, severe diarrhoea, repeated vomiting, marked rash, swelling or unusual bleeding. Seek emergency care for severe breathing difficulty, chest pain, blue lips, fainting, confusion or sudden facial swelling.

What tumour feature makes this targeted medicine suitable? Which symptom changes should I report immediately? When will the first scan assess response? What findings would prompt a change in treatment?