Alectinib After Surgery — Reducing Recurrence Risk

No, and understanding this matters. Surgery removed the visible tumour, and alectinib is intended to lower the risk of it returning — but it does not eliminate that risk entirely. Your oncologist will continue surveillance scans after the two-year course ends, precisely because the possibility of recurrence remains even when the risk is meaningfully reduced. The aim is to keep you free of recurrence for as long as possible.

Two years is the duration studied in the ALINA trial, which is the clinical evidence base for this use of alectinib. After you complete the course, you stop the drug and move into a surveillance programme — regular scans and clinic visits to watch for any sign of the cancer returning. There is not yet strong evidence for continuing beyond two years in the adjuvant setting. This is different from advanced-stage treatment, where alectinib is taken indefinitely.

Take it as soon as you remember on the same day, but do not take two doses to make up for a missed one. If you vomit shortly after taking a dose, contact your team rather than repeating it. Consistency matters for how well the drug works, so it is worth building a daily routine around mealtimes. Your oncologist or pharmacist will give you specific guidance at the start of treatment — ask them to write it down.

Alectinib is processed by the liver, and several commonly used medicines can affect how much of the drug reaches your body. These include some antifungals, certain antibiotics, and some herbal preparations. Tell your oncologist and pharmacist about everything you take — vitamins, supplements, and anything bought without a prescription, including Ayurvedic preparations. Compounds found in some traditional medicines can affect drug metabolism in clinically significant ways. Listing everything is not optional.

The drug is the same, but the reason for using it and what it is expected to achieve are different. In stage 4 or metastatic disease, alectinib is given to control cancer that has spread, and treatment continues indefinitely. In your case, it follows surgery that removed the tumour and runs for a fixed two years to reduce recurrence risk. Side effects are similar, so some experiences will overlap — but the overall treatment picture is not the same.

Call your team the same day if you notice new or worsening breathlessness, a persistent dry cough, chest pain, or a noticeably slow or irregular heartbeat. Significant swelling that appears quickly, severe muscle weakness, or dark-coloured urine also warrant a same-day call. A skin reaction — blistering or severe redness after sun exposure — is worth reporting promptly rather than waiting. These are not common side effects, but when they do occur they need assessment the same day, not at your next scheduled visit.