How long do you live after being diagnosed with glioblastoma?
Sophia Carter
Updated on March 26, 2026
How long do you live after being diagnosed with glioblastoma?
The average survival time is 12-18 months – only 25% of glioblastoma patients survive more than one year, and only 5% of patients survive more than five years.
Can you live 10 years with glioblastoma?
Only 10% of people with glioblastoma survive five years. However, here I am, 10 years after being diagnosed with the most aggressive form of brain cancer, and I’m not only surviving – I’m thriving.
Can glioblastoma go into remission?
In remission, symptoms may let up or disappear for a time. Glioblastomas often regrow. If that happens, doctors may be able to treat it with surgery and a different form of radiation and chemotherapy.
Is glioblastoma always terminal?
Glioblastoma incidence is very low among all cancer types, i.e., 1 per 10 000 cases. However, with an incidence of 16% of all primary brain tumors it is the most common brain malignancy and is almost always lethal [5,6].
How fast does glioblastoma progress?
Glioblastoma gets the highest grade in its family — grade IV — in part because of its high growth rate. These cancers can grow 1.4 percent in a single day. The growth is happening on a microscopic level, but a glioblastoma tumor can double in size within seven weeks (median time).
What are the final symptoms of glioblastoma?
Table 2.
| Symptoms | Number of patients (%) |
|---|---|
| Drowsiness/progressive loss of consciousness | 48 (87) |
| Dysphagia | 39 (71) |
| Progressive focal neurological deficits (motor, dysphasia) | 28 (51) |
| Seizures | 25 (45) |
Do cell phones cause glioblastoma?
In May, a group of researchers published in PLOS ONE the results of a meta-analysis that found a “significant” association between long-term mobile phone use and the risk of glioma, the class of tumors that includes glioblastoma.