Treatment for glioblastoma (GBM)
Intended for US audiences only.
Optune® Novocure™
Glioblastoma (GBM) treatment resources


In this section, you'll find a variety of resources to help you better understand how Optune treats glioblastoma. Many of these materials can be printed and shared with your family, caregivers, and healthcare team.

You can also find links to leading national and local brain cancer organizations for additional information and support.

Frequently asked questions
Get answers to common questions that you may have if you or your loved one is considering or using Optune.
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Optune brochures and guides
Find and print information to help you discuss Optune with your doctors and loved ones.
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Video library
Watch videos showing how Optune works and what it's like to use the therapy.
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Advocacy groups
Connect with national, local, and online sources of education and support.
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Calendar of events
Find a nearby event where you can meet with Novocure, the makers of Optune, and other patients and caregivers.
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Complete support

Learn how nCompass supports Optune users every step of the way.

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Talk to someone with Optune experience

The Buddy Program can connect you with patients and caregivers who have used Optune and know what it’s like.

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Find a Treatment Center



What is Optune® approved to treat?

Optune is a wearable, portable, FDA-approved device indicated to treat a type of brain cancer called glioblastoma multiforme (GBM) in adult patients 22 years of age or older.

Newly diagnosed GBM

If you have newly diagnosed GBM, Optune is used together with a chemotherapy called temozolomide (TMZ) if:

Recurrent GBM

If your tumor has come back, Optune can be used alone as an alternative to standard medical therapy if:

Who should not use Optune?

Optune is not for everyone. Talk to your doctor if you have:

Do not use Optune if you are pregnant or are planning to become pregnant. It is not known if Optune is safe or effective during pregnancy.

What should I know before using Optune?

Optune should only be used after receiving training from qualified personnel, such as your doctor, a nurse, or other medical staff who have completed a training course given by Novocure™, the maker of Optune.

What are the possible side effects of Optune?

Most common side effects of Optune when used together with chemotherapy (temozolomide, or TMZ) were low blood platelet count, nausea, constipation, vomiting, tiredness, scalp irritation from the device, headache, seizure, and depression.

The most common side effects when using Optune alone were scalp irritation (redness and itchiness) and headache. Other side effects were malaise, muscle twitching, fall and skin ulcers.

Talk to your doctor if you have any of these side effects or questions.

Please click here to see the Optune Instructions For Use (IFU) for complete information regarding the device's indications, contraindications, warnings, and precautions.

On this site, patient and healthcare professional videos as well as all images labeled as Optune users, caregivers, or healthcare professionals depict actual patients, caregivers, and healthcare professionals. All other depictions of patients and caregivers are actor portrayals.

Indications For Use

Optune is intended as a treatment for adult patients (22 years of age or older) with histologically-confirmed glioblastoma multiforme (GBM).