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A prospective randomised trial comparing temozolomide with standard nitrosourea-based chemotherapy (PCV [procarbazine, CCNU, vincristine]/BCNU [bis-chloronitrosourea]) in the treatment of recurrent WHO astrocytic tumours grades III and IV (anaplastic astrocytoma and glioblastoma multiforme)
ISRCTN ISRCTN83176944
DOI 10.1186/ISRCTN83176944
ClinicalTrials.gov identifier NCT00052455
EudraCT number 2005-004622-24
Public title A prospective randomised trial comparing temozolomide with standard nitrosourea-based chemotherapy (PCV [procarbazine, CCNU, vincristine]/BCNU [bis-chloronitrosourea]) in the treatment of recurrent WHO astrocytic tumours grades III and IV (anaplastic astrocytoma and glioblastoma multiforme)
Scientific title
Acronym BR12
Serial number at source E164/47
Study hypothesis BR12 is a randomised trial which compares standard PCV chemotherapy with two temozolomide schedules in patients with histologically confirmed recurrent World Health Organisation (WHO) Grade III or IV astrocytic tumour who have had primary radiotherapy (but no prior chemotherapy).

More details can be found at: http://www.ctu.mrc.ac.uk/research_areas/study_details.aspx?s=7
Lay summary http://cancerhelp.cancerresearchuk.org/trials/a-trial-looking-at-temozolomide-and-pcv-for-people-with-glioma-that-has-come-back-after-treatment
Ethics approval No ethics information required at time of registration.
Study design Randomised controlled trial
Countries of recruitment United Kingdom
Disease/condition/study domain Astrocytic tumours (anaplastic astrocytoma and glioblastoma multiforme)
Participants - inclusion criteria 1. Patients with histologically verified anaplastic astrocytoma, glioblastoma multiforme or gliosarcoma (WHO grade III/IV at diagnosis or relapse) who have undergone primary treatment which must include radiotherapy
2. Evidence of first progression confirmed by imaging (Computed Tomography [CT] or Magnetic Resonance Imaging [MRI])
3. Evaluable enhancing recurrent tumour on contrast enhanced MRI/CT scan (within 14 days prior to start of treatment)
4. Life expectancy more than or equal to one month (based on age, performance status)
5. Considered fit for chemotherapy
6. More than or equal to two months from completion of radiotherapy
7. No previous chemotherapy, radiosurgery or interstitial radiotherapy (brachytherapy) for glioma; debulking surgery on relapse is permissible
8. Adequate hepatic, renal and haematological function (within 14 days prior to entry). Absolute Neutrophil Count (ANC) more than or equal to 1500/mm^3; platelet count more than or equal to 100,000/mm^3; Blood Urea Nitrogen (BUN) and serum creatinine less than 1.5 x Upper Limit of local laboratory Normal range (ULN); Total and direct serum bilirubin less than 1.5 x ULN; Serum Glutamic-Oxaloacetic Transaminase (SGOT) or Serum Glutamic Pyruvic Transaminase (SGPT) less than 3 x ULN; Alkaline phosphatase less than 2 x ULN
9. Written informed consent given
Participants - exclusion criteria Age less than 18 years
WHO performance status grade 4
Previous recurrence
Pregnancy, breast feeding, patient or partner not using adequate contraception
Concomitant serious illness
Patients diagnosed with Oligodendroglioma
Anticipated start date 03/01/2003
Anticipated end date 01/01/2008
Status of trial Completed
Patient information material
Target number of participants 500
Interventions 1. Temozolomide according to one of two schedules:
a. Temozolomide, 200 mg/m^2 orally (po) days one to five
b. Temozolomide, 100 mg/m^2 po days one to 21
2. PCV chemotherapy (CCNU 100 mg/m^2 po day one, Procarbazine 100 mg/m^2 po days one to ten, Vincristine 1.5 mg/m^2 (max 2 mg) intravenous (iv) day one)
Primary outcome measure(s) The primary objective of the trial is to evaluate, in a group of patients representative of those who are considered for chemotherapy outside of trials, the potential benefit of temozolomide compared to PCV with respect to survival in patients with recurrent malignant glioma.
Secondary outcome measure(s) In addition, the treatments will be compared with respect to the following secondary outcome measures: survival free from progression (confirmed radiologically), and health-related quality of life. A further objective is to evaluate the comparative efficacy (progression-free survival) and toxicity of the two different temozolomide schedules.
Sources of funding Medical Research Council (UK)
Trial website http://www.ctu.mrc.ac.uk/studies/BR12.asp
Publications 2010 results in http://www.ncbi.nlm.nih.gov/pubmed/20855843
Contact name Miss  Sally  Stenning
  Address MRC Clinical Trials Unit
222 Euston Road
  City/town London
  Zip/Postcode NW1 2DA
  Country United Kingdom
  Email br12@ctu.mrc.ac.uk
Sponsor Medical Research Council (MRC) (UK)
  Address 20 Park Crescent
  City/town London
  Zip/Postcode W1B 1AL
  Country United Kingdom
  Tel +44 (0)20 7636 5422
  Fax +44 (0)20 7436 6179
  Email clinical.trial@headoffice.mrc.ac.uk
  Sponsor website: http://www.mrc.ac.uk
Date applied 21/09/2000
Last edited 12/04/2012
Date ISRCTN assigned 21/09/2000
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