Grade 4 brain cancer: what to expect, treatment options and support

By Mayo Clinic Staff

A diagnosis of aggressive or advanced brain cancer, often grade 4, can raise a lot of questions about symptoms, treatment and what to expect. People who have just been diagnosed may want to know more about common terms, treatment options and prognosis. For those at other stages in their cancer journey, they may be considering end of life care. This guide explains the terms people may here, how care changes over time, and where to find support.

What do the terms late stage, stage 4 and grade 4 brain cancer mean?

Key takeaway: Late stage is a general term people use for advanced disease. Primary brain tumors are graded, not staged.

Tumors that start in the brain are called primary brain tumors. Primary brain tumors are graded 1 to 4 by how unusual the cells look and how fast they grow. Glioblastoma is a grade 4 brain tumor and is the most aggressive type. All glioblastomas are grade 4. There are other grade 4 brain tumors besides glioblastoma, though glioblastoma is by far the most common and well-known.

Stage 4 brain cancer means cancer that has spread to the brain from somewhere else in the body. Some people use it by mistake to mean a grade 4 primary brain tumor. When cancer spreads to the brain, it's considered stage 4 of their original site.

Late-stage brain cancer is a broad term. It can refer to any advanced brain tumor — either a primary tumor or a tumor that spread to the brain from another part of the body. People often say late stage brain cancer to describe tumors that are fast growing, widespread or no longer responding to treatment.

What is the difference between grade and stage?

Key takeaway: Grade refers to tumor behavior, such as how fast it grows. Stage refers to spread within the body.

Grade describes the aggressiveness of the tumor. It notes how the tumor cells look and behave under a microscope. The grade can indicate how aggressive the tumor is likely to be. For example, how fast it grows and whether it's likely to spread. It's used for primary brain tumors and some other cancers.

Stage describes how far the cancer has spread in the body. It notes the size of the tumor, whether or not the cancer is in the lymph nodes, and where in the body it has spread. It's used for most cancers outside of the brain, such as lung, breast and colon cancers.

That's why brain tumors are graded, not staged. They usually stay within the brain but differ in how aggressively they grow.

How stage 4, late stage and grade 4 differ in brain cancer terminology

Is stage 4 brain cancer the same as grade 4 glioblastoma?

Key takeaway: No. Glioblastoma only has a grade, not a stage.

Stage 4 brain cancer isn't a medical term. It's a general way people refer to the most aggressive or advanced form of brain tumor, which most often is glioblastoma.

• Stage refers to how far cancer has spread. It's used for most cancers that start outside of the brain.
• Grade refers to how the cells look and how fast they grow. Grading is used for many types of tumors, especially brain tumors. Tumors that start inside the brain are usually graded, not staged.

When people say "stage 4 brain cancer," they likely are referring to a glioblastoma or other grade 4 brain tumor.

What is glioblastoma multiforme stage 4?

Key takeaway: Glioblastoma is a grade 4 tumor, meaning the cells look very unhealthy and grow quickly. There is no stage 4 glioblastoma.

Glioblastoma also is called glioblastoma multiforme (GBM). Glioblastoma multiforme (GBM) is the most aggressive and most common grade 4 brain tumor. It's a type of tumor in the family of astrocytomas. These tumors grow from star-shaped cells called astrocytes. Glioblastoma is classified as a grade 4 astrocytoma, which means the tumor cells look very unusual and grow quickly. All glioblastomas are grade 4 tumors.

Glioblastoma tends to:

• Grow and spread quickly within the brain.
• Be difficult to remove completely with surgery.
• Come back after treatment.

Treatment usually involves a combination of surgery, radiation and chemotherapy. That is followed by close monitoring or additional therapies.

Transitioning to end of life care

When you're newly diagnosed with brain cancer, your care plan may focus on treatments to stop or slow the disease. For people whose grade 4 brain cancer has progressed to late stage, treatments to help cure cancer may no longer be an option. Some people may want to consider end of life care.

How does end stage care differ from terminal or hospice care?

Key takeaway: End stage is the final phase when treatment no longer controls the cancer. Terminal means life expectancy is about six months or less. Hospice is specialized comfort care for terminal illness.

How end stage, terminal, and hospice care differ

What happens in the final stages of brain cancer?

Key takeaway: Symptoms often get worse as the tumor or swelling grows. Care shifts from trying to cure to providing comfort.

Worsening symptoms in the final stages of brain cancer can change how a person moves, talks, thinks and acts. Palliative and hospice teams help manage discomfort and support the family.

In the final stages of brain cancer, symptoms often worsen as the tumor grows or swelling increases in the brain. These changes can affect movement, speech, thinking and personality.

Common symptoms

• Increasing confusion or disorientation. People may have trouble recognizing loved ones, understanding conversations or remembering recent events.
• Personality or mood changes. Some may become withdrawn, anxious or irritable, or show changes in behavior or emotional control.
• Seizures. New or worsening seizures may occur as the tumor irritates brain tissue or disrupts electrical activity.
• Weakness or loss of mobility. As the disease progresses, people may have increasing difficulty walking, balancing or moving parts of the body. This often leads to time in bed or a wheelchair.
• Difficulty speaking or swallowing. These changes can happen as the tumor affects muscles that control speech and swallowing.
• Drowsiness or sleeping more. Many people become very tired or sleep most of the day as the body slows down near the end of life.

Healthcare teams and hospice teams can provide palliative care to ease these symptoms and help keep the person as comfortable as possible.

Behavioral changes

• Restlessness or agitation. People may seem unsettled. They may try to get out of bed. Or they may repeatedly adjust blankets or clothing. This can be caused by discomfort, confusion or changes in brain function.
• Confusion or disorientation. People may not recognize family members or understand where they are.
• Changes in personality or mood. People who typically are calm may become irritable or impulsive. Others may appear unusually quiet or withdrawn.
• Reduced awareness or responsiveness. As energy levels drop, people may sleep most of the time, speak less or respond only briefly.
• Delirium or hallucinations. Some may see or talk to people who aren't there, especially in the last days of life.

These behaviors are part of the natural dying process and are not intentional. Hospice and palliative care teams can help manage restlessness and agitation with comfort measures, calming routines or medicine when needed.

Symptoms before death

As death approaches, the body begins to slow down. These physical changes can happen gradually over days or weeks.

Common symptoms include:

• Sleeping more or becoming unresponsive. People often spend most of the day resting or in a light sleep and may not respond to voices or touch.
• Eating and drinking less. Appetite and thirst naturally decrease. Small sips of fluid or moistening the mouth can provide comfort.
• Changes in breathing. Breathing may slow, pause or become irregular. Sometimes a soft rattling sound is heard when the person breathes. This is common and usually not distressing to them.
• Coolness in hands or feet. Circulation slows, and the skin may feel cool or look pale or bluish.
• Weak pulse or lower blood pressure. The heart beats more slowly and less strongly as the body conserves energy.
• Periods of restlessness or agitation. The person may seem unsettled, pick at bedding or move around even while very weak.

These changes do not mean the person is uncomfortable. Hospice and palliative care teams focus on managing symptoms. They also focus on ensuring comfort for the person and family.

What complications can make symptoms worse?

Key takeaway: Some complications such as brain swelling, fluid buildup, blood clots and infections can quickly worsen symptoms.

Treating these early can improve comfort and prevent emergencies. Severe pressure in the brain can lead to a medical emergency called brain herniation.

Certain complications can make late-stage brain cancer symptoms worse or cause sudden changes. Managing these issues early can help improve comfort and prevent emergencies.

Common complications include:

• Brain swelling, called edema. Extra fluid builds up around the tumor. This causes headaches, nausea and confusion. Steroid medicines such as dexamethasone often are used to reduce swelling and pressure.
• Fluid buildup in the brain, called hydrocephalus. Tumors can block the flow of cerebrospinal fluid. This can lead to pressure and drowsiness. Treatment may include a shunt or drainage tube to relieve pressure.
• Blood clots. Being less active or lying in bed for long periods raises the risk of clots in the legs or lungs. Preventive steps may include low-dose blood thinners or compression devices.
• Infections. Weakness, immobility, or steroid use can make infections, especially pneumonia or urinary infections, more likely. These are treated with antibiotics and supportive care.

What is herniation and why is it a medical emergency?

Key takeaway: Brain herniation is life-threatening pressure that pushes brain tissue out of place.

Brain herniation happens when severe swelling or pressure inside the skull causes brain tissue to shift from its usual position. This can block blood flow and damage brain areas that control breathing or heart rate. Signs may include sudden drowsiness, uneven pupils, loss of consciousness or trouble breathing.

Herniation is a medical emergency — seek emergency care right away.

How does grade 4 or late-stage brain cancer progress?

Key takeaway: Grade 4 brain tumors and late-stage brain cancer moves fast. Most people live 12 to 18 months after diagnosis.

Treatment may start with surgery, radiation and chemotherapy. If the tumor returns or treatment stops working, the focus shifts to comfort care with hospice as needed.

The timeline for grade 4 brain tumors can vary from person to person. But most people live 12 to 18 months after diagnosis, even with treatment. A few people may live longer, especially younger adults or those whose tumors respond well to treatment.

Treatment usually starts soon after diagnosis and may include:

• Surgery to remove as much tumor as possible.
• Radiation and the chemotherapy medicine temozolomide to slow growth and control symptoms.
• Tumor Treating Fields (TTFields) are low-intensity electrical fields delivered by a small wearable device with sticky patches on the scalp. TTFields may help slow growth and may be used with temozolomide after radiation.
• Clinical trials may also be options for some people.

Many people feel better after surgery and radiation. If the tumor grows back, called recurrence, more treatment may be needed. Or palliative care may be an option to control symptoms and maintain comfort.

Typical timeline

As grade 4 or late-stage brain cancer progresses, changes often occur gradually. These can include physical decline, cognitive changes and shifting treatment goals.

• Early treatment. Treatment focuses on slowing or stopping the tumor growth and spread — surgery, radiation and chemotherapy. Many people recover strength and resume daily activities for a time.

• Tumor recurrence. Over time, treatments may stop working. People might notice worsening headaches, confusion, memory problems or weakness on one side of the body. Seizures or speech changes also may appear.

  At this point, care often shifts toward comfort and quality of life, including palliative care to manage symptoms and reduce stress.

• Transition to hospice care. When the cancer no longer responds to treatment and life expectancy is six months or less, hospice can provide support. This includes medical, emotional, and spiritual care at home or in a care facility.

What treatments are used in grade 4 or late-stage brain cancer?

Key takeaway: In grade 4 or late-stage brain cancer, the goal is to comfort rather than cure.

Care may include radiation, surgery, temozolomide medicine, clinical trials and palliative or hospice care to control symptoms.

At late stage, treatment focuses on relieving symptoms and improving comfort rather than curing the cancer. Options may include:

• Surgery to relieve pressure when safe and helpful.
• Radiation to ease pain or swelling.
• Chemotherapy, often temozolomide, if the person can comfortably manage side effects.
• Clinical trials of new medicines or devices.
• Palliative care to control pain, swelling and seizures and support quality of life.

Is glioblastoma inoperable?

Key takeaway: Not always.

Surgery sometimes can remove or shrink the glioblastoma if it can be done safely without harming key brain functions. When tumors are deep, widespread or near vital areas, surgery may not be possible. Care focuses on other treatments and symptom control.

What if someone chooses no further treatment?

Key takeaway: If treatment stops, care shifts fully to comfort and symptom relief.

The care team manages pain, headaches, seizures and swelling. Care also may involve hospice or palliative care at home or in a hospice center to support the person and family.

How is grade 4 or late-stage brain cancer monitored?

Key takeaway: Scans can show how the tumor looks and certain complications.

Once care shifts to comfort, imaging is used only if results would change treatment. The care team monitors symptoms daily and adjusts medicines to maintain comfort.

What does a grade 4 or late-stage brain tumor look like on MRI or CT?

Key takeaway: On MRI with contrast, these tumors often look uneven with a rim that lights up from the contrast.

There usually is swelling around them and sometimes a darker center from dead tissue or bleeding. A CT scan can show the pressure the tumor puts on nearby brain areas and any fluid buildup if the tumor blocks the flow of brain fluid.

Do you still need scans once the cancer is grade 4 or late stage?

Key takeaway: Scans may still be done if new symptoms appear or old symptoms get worse.

But when the goal is comfort instead of active treatment, care teams usually do fewer routine scans. An MRI or CT is ordered only if the result would change care — for example, to adjust medicines for swelling or seizures.

How are symptoms monitored when treatment shifts to comfort care?

Key takeaway: When active treatment ends, healthcare teams monitor symptoms instead of tumor size.

Regular neurologic exams, monitoring symptoms and caregiver reports help track changes in alertness, pain, movement and seizures. The care team adjusts medicines, therapy and supportive measures as needed to help the person stay comfortable.

What is the prognosis and survival outlook for someone with grade 4 or late-stage brain cancer?

Key takeaway: Most people with glioblastoma live 12 to 18 months after diagnosis.

About 40% are alive at one year and 17% at two years. Prognosis is different based on the genes in the tumor and the tumor grade.

Glioblastoma is fast growing. On average, people live about 12 to 18 months after diagnosis, even with treatment. About 40% of people are alive at one year and 17% at two years. Some tumors have a DNA change called MGMT methylation, which helps chemotherapy work better and may lead to longer survival.

Outcomes vary by tumor type and genes.

What factors affect survival? Is long-term survival possible?

Key takeaway: Long-term survival with glioblastoma is uncommon but possible. Certain factors, like age, health and treatment, can improve survival time.

Several things can affect how long someone lives with glioblastoma. A small group of people do live several years, especially when these factors are in their favor:

• Surgery and how much tumor is removed. Taking out as much tumor as is safely possible can help some people live longer. How much can be removed depends on the tumor's location and the person's health.
• Age. Younger people tend to live longer on average.
• Overall health. People who are stronger and more active usually do better and can get more treatment.
• Tumor marker (MGMT). Tumors with MGMT methylation often respond better to chemotherapy and are linked with longer survival. The MGMT gene helps tumor cells repair damage from certain chemotherapy medicines such as temozolomide. When the MGMT gene is methylated, it's partly turned off, so the tumor cells can't repair that damage as well.
• Getting standard treatment. Care usually includes surgery when safe, then radiation plus temozolomide. This plan is linked to better outcomes.
• Tumor-treating fields (TTFields). Some people use TTFields during the maintenance phase after chemotherapy and radiation. This can improve survival for some people.

If the tumor comes back, typical survival is about 6 to 9 months.

At that point, many teams focus more on comfort and quality of life, with palliative care and hospice as appropriate.

What is supportive care and how is it given?

Key takeaway: Supportive care, also called palliative care, focuses on relieving symptoms and improving comfort.

Palliative care may include:

• Steroids to reduce swelling and pressure.
• Seizure medicines, pain medicines and antinausea medicines.
• Therapies, including physical, occupational and speech therapies, to help with movement, safety and communication.

Palliative care can be given alongside other treatments or on its own when active treatment ends.

How do palliative care and hospice care differ, and when is the best time to start them?

Key takeaway: Palliative care and hospice care both focus on comfort. But palliative care can begin anytime during treatment, while hospice care is for the final months of life and the focus is on comfort, not cure.

Palliative care can start any time after diagnosis to help with symptoms, stress and planning. You don't have to wait until treatment stops.

Hospice care usually begins when treatment no longer controls the cancer and life expectancy is about six months or less. The care team may suggest hospice when the focus shifts from curing the disease to providing comfort and support.

Hospice offers:

• Pain and symptom control to help provide as much comfort as possible.
• Nursing and medical support at home, in a hospice center or a skilled facility.
• Emotional, spiritual and social care.
• Guidance with medications, equipment and caregiving.

Hospice treats the whole person, not just the illness, and helps families prepare for changes ahead.

What coping and support services are available for people with grade 4 or late-stage brain cancer and their families?

Key takeaway: Palliative and hospice care help people with grade 4 or late-stage brain cancer and their families manage symptoms, stress and decisions. Support groups are helpful for people with cancer, caregivers and families. Advance directives can help ensure your wishes are met even when you can no longer speak or make decisions for yourself.

Living with grade 4 or late-stage brain cancer brings major physical and emotional changes. Palliative care and hospice services can help you and your family manage symptoms, find comfort and plan for what matters most.

What should I expect in hospice care for brain cancer?

Key takeaway: Hospice for brain cancer focuses on comfort and dignity with relief for pai and symptoms, plus help with daily needs and support for families.

Hospice teams understand the symptoms common in advanced brain cancer. This can include confusion, weakness, seizures, or changes in mood and communication.

Care may include medicine for pain or seizures, help with positioning and daily needs, and support for sleeping and eating changes.

You can expect a calm, supportive environment focused on comfort, dignity and quality of life, rather than aggressive treatment. Families are encouraged to be present. Families also are encouraged to rest when needed and accept help from hospice staff.

How can caregivers manage emotional stress and burnout?

Key takeaway: Caregivers can reduce burnout by taking breaks, accepting help and sharing feelings.

Serious illness affects the people with cancer and those who love and care for them. Feeling sad, tired or overwhelmed is expected. It's important for caregivers to take time to care for themselves too.

Caregivers may feel pressure to stay strong while balancing work, family and medical needs. Simple steps that can help include:

• Take short breaks and accept help from friends or volunteers.
• Talk with hospice nurses or counselors about your feelings.
• Practice breathing, prayer or quiet time each day.

Ask the healthcare team about respite care so you and other caregivers can rest.

What are advance directives and end-of-life wishes?

Key takeaway: Advance directives are legal forms that state what treatments you do and don’t want and who can make decisions on your behalf. End-of-life wishes explain how you want to be cared for in your final stage of life.

Advance directives are legal documents that explain what kind of medical care a person wants if they can’t speak for themselves. This helps the care team, caregivers and family follow those wishes. These usually include a:

• Living will, which lists the medical treatments you want or do not want.
• Durable power of attorney for healthcare (healthcare proxy), which names someone to make decisions for you if you can't.

End-of-life wishes are personal choices about how someone wants to be cared for and supported during the final stage of life. These include preferences such as:

• Where you want to receive care, including your home, a hospice center or the hospital.
• What medical treatments you want or don't want. For example, CPR, breathing machines or tube feeding.
• Who should make decisions if you can't.
• Whether or not you'd like to be an organ or tissue donor.
• Spiritual, cultural or personal goals for the end of life, such as if you'd like a spiritual leader present as death nears.

Discussing these wishes early helps your care team, caregivers and family members honor your choices about treatment, pain control and where you want to receive care. Hospice social workers can help you fill out the forms and guide family conversations.

Where can I find counseling and support?

Key takeaway: Support for brain cancer is available through hospital counselors, hospice chaplains, support groups and online communities.

No one has to face brain cancer alone. Support can come from:

• Hospital-based social workers and counselors.
• Hospice chaplains or spiritual advisers.
• Support groups offered by hospitals, the American Cancer Society, or the American Brain Tumor Association.
• Online communities such as the Cancer Survivors Network.

Connecting with others who understand can bring comfort, practical tips and hope.