<s>[INST] Patients with glioblastoma multiforme often experience debilitating spaearism, stiffness, and weakness of the muscles, particularly of the arms. For these symptoms, intramuscular injections of botulinum toxin (Botox) were used primarily for cosmetic reasons, but now are being studied for treating excessive muscle stiffness and spasms in brain tumor patients with glioblastoma multiforme.
Glioblastoma multiforme is the deadliest form of brain cancer, and patients typically do not survive for long after being diagnosed. What seems to be the primary goal of using Botox treatment for patients with glioblastoma multiforme?[/INST]