Deciding If Another Treatment Line Is Worth Side Effects

This page is for people with cancer who are deciding whether to try another line of treatment. It walks through the goal, the likely benefit, the real cost, and your right to say no.

The most useful question is not 'what is the next treatment' but 'what is this treatment for'. There are three broadly different answers. They justify very different levels of side effect.

Cure. People will accept severe, temporary toxicity for a realistic chance of being rid of the disease.

Control. The aim is to slow the cancer and buy time. Here the arithmetic changes. The treatment continues indefinitely, so its side effects are part of daily life rather than a bad season.

Comfort. Some treatments are given mainly to relieve symptoms, such as radiotherapy for a painful bone deposit. The measure of success is how you feel.

If you do not know which of the three is on the table, ask directly. It is a fair question and it is not rude.

Once you know the goal, the next step is to understand what the treatment is likely to do. Response means the tumor got smaller on a scan. That is a real and meaningful signal. But it is not the same as living longer or feeling better, and trials measure those separately.

So when you are told a treatment has a given response rate, ask three follow-ups:

• How long does the benefit usually last?
• Does it improve symptoms?
• Does it extend life?

Sometimes all three are yes. Sometimes the scan improves while the person feels worse. Knowing which you are being offered lets you decide with your eyes open.

Also ask about the shape of the benefit. Six weeks of feeling rough followed by months of feeling well is a different proposition from a slow decline throughout.

Oncologists use performance status to describe how much of the day you can be up and active. On the commonly used scale:

• 0 is fully active.
• 1 is limited in strenuous activity but able to do light work.
• 2 is up and about more than half of waking hours but unable to work.
• 3 is limited self-care and confined to bed or chair for more than half the day.
• 4 is completely dependent.

Your team may use this score when talking about treatment options. If your honest answer has drifted from 1 to 3 over recent months, tell them. It is worth stating plainly rather than presenting your best day at every appointment.

Side effects are the obvious cost, but they are not the only one. Ask:

• how many clinic days a month the treatment requires
• how far you will travel
• how many blood tests
• how likely hospital admission is
• what it will cost you financially

A treatment that consumes eight days a month is spending the very thing you may be trying to protect.

• What would happen if I had no further anticancer treatment?
• What is the realistic chance this helps someone in my situation, and what does 'helps' mean here?
• How will we know if it is working, and by when?
• What is our agreed plan for stopping if it is not working?
• What would you expect my next few months to look like with this treatment, and without it?

The question about a stopping plan is worth asking before you start. Deciding the stopping rule in advance turns a later decision from a defeat into a plan you already made.

Palliative care is not hospice. NCI says palliative care experts can be called in by your doctor at any point in an illness. They focus on symptoms, side effects, and support. Asking for them does not mean your team has given up on treating the cancer.

Hospice is a separate service. NCI notes that Medicare hospice coverage applies when a person is not likely to live beyond about 6 months on average for their type and stage of disease. Ask your team and your insurer how hospice would work for you.

Choosing not to have another line of treatment is a decision you can discuss with your team. Ask what care would continue, such as symptom control and support for you and your family.

The pressure to keep going often comes from people who love you and cannot bear the alternative. That pressure is understandable and it is not a clinical argument. Say what matters most to you, such as time at home, being alert, avoiding hospital, or seeing a particular event. Ask your team which path best protects it. Then write it down in an advance directive. NCI describes these as legal papers that tell your loved ones and doctors what to do if you cannot say it yourself.

• National Cancer Institute — End-of-Life Care for People Who Have Cancer
• NCI SEER Training — ECOG Performance Status
• National Cancer Institute — Planning for Advanced Cancer Care