BETHESDA, Md., April 8, 2013 /PRNewswire/ -- Northwest Biotherapeutics (NASDAQ: NWBO) (NW Bio), a biotechnology company developing DCVax® personalized immune therapies for solid tumor cancers, filed its annual report on Form 10K today, reporting its financial results for the year ended December 31, 2012. The report also shows strong progress in all areas of the Company’s operations, enhancing the Company’s leadership position in immune therapies for cancer.