IRVINE, Calif.--(BUSINESS WIRE)--Spectrum Pharmaceuticals (NasdaqGM: SPPI) today announced that one of the two Phase 3 pivotal clinical trials of apaziquone has achieved its enrollment target, having enrolled approximately 800 patients with non-invasive bladder cancer. The second Phase 3 clinical trial of apaziquone is expected to complete enrollment by the end of the year.