Safety, Tolerability & Potential Anti-cancer Activity of Increasing Doses of AZD5363 in Different Treatment Schedules

Patients will receive a single dose of AZD5363, administered orally, followed by a 3-7 day wash-out period. Patients will then commence with twice-daily dosing, administered orally, every day, to cessation of therapy.

Patients will be given AZD5363 administered orally as a single dose, followed by a 3-7 day wash-out period. Patients will then receive AZD5363 twice daily on 6 or fewer days per weekly regimen, to cessation of therapy. Parts C,D: Oral AZD5363 twice daily, 4 days on treatment, 3 days off treatment, to cessation of therapy.

Optional additional schedule. Patients will be given AZD5363 administered orally. Regimen to be determined in response to emerging clinical findings.

Patients will receive oral AZD5363 twice daily (4 days on 3 days off treatment)combined with background therapy of fulvestrant at licensed dose of 500mg intramuscularly on days 1,15,29 and once monthly thereafter.