Study With Nelfinavir and Combined Radiochemotherapy for Glioblastoma

Inclusion Criteria: * Histologically confirmed glioblastoma multiforme at primary diagnosis * Tumours which do enhance on pre-operative imaging * Age \>=18-65 years * WHO performance status 0-2, RTOG- RPA class III-IV. * No recent (\< 3 months) severe cardiac disease (arrhythmia, congestive heart failure, infarction) * Patient able to tolerate full course of radiotherapy * No previous radiotherapy to the head and neck area. * Prior neurosurgery within 6 weeks of treatment * No previous irradiation of the brain. * No previous chemotherapy * No prior or concurrent medical condition which would make treatment difficult to complete. Medication with steroids is allowed. * No use of terfenadine, astemizol, cisapride, sildenafil, lovastatin or simvastatin and other concurrent medication that is metabolized by the CYP3A4 isoenzyme and cannot be replaced with other equivalent medications for the period of the study: antiarrhythmics (amiodarone, quinidine), neuroleptics (pimozide), sedative/hypnotic agents (midazolam, triazolam), ergot derivatives (dihydroergotamine, ergonovine, ergotamine, methylergonovine), HMG-CoA reductase inhibitors (atorvastatin), rifampin, rifabutin, felodipine, nifedipine, and sildenafil or St. John's wort. * Adequate haematological, renal and hepatic function * No uncontrolled infectious disease, absence of known HIV infection, chronic hepatitis B or hepatitis C infection * Absence of any medical condition, which could interfere with oral medication intake (e.g., frequent vomiting, partial bowel obstruction) * All patients of reproductive potential (male and female) must use effective contraception for the whole duration of the treatment and until 6 months thereafter. Females must not be pregnant or lactating * Willing and able to comply with the study prescriptions * Written informed consent before patient registration Exclusion Criteria: The opposite from above