Electric field helmet tested for tough brain tumor – but only one patient tried it
NCT ID NCT03450850
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tested a wearable device called NOVOTTF-200A in people with recurrent Grade III astrocytoma, a type of brain cancer. The device delivers low-intensity electric fields to the brain to slow tumor growth. Only 1 participant was enrolled, and the main goal was to see if the tumor stopped growing for six months. Because of the tiny sample size, the results are very limited and cannot tell us if the device truly works.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- NOVOTTF-200A (a wearable device that delivers electric fields to the brain to slow tumor growth)
- What this could lead to
- If it works, this device could offer a new way to control tumor growth in patients with recurrent Grade III astrocytoma without using chemotherapy or other drugs.
- What could go wrong
- This trial enrolled only 1 person, so results cannot be generalized. The device must be worn at least 18 hours a day, which may be burdensome, and side effects or lack of benefit are possible.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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University of California, Irvine
Orange, California, 92868, United States
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