Study of Efficacy and Safety of Buparlisib (BKM120) Plus Paclitaxel Versus Placebo Plus Paclitaxel in Recurrent or Metastatic Head and Neck Cancer Previously Pre-treated With a Platinum Therapy

Exclusion Criteria

• •Patient has received previous treatment with any AKT, mTOR inhibitors or PI3K pathway inhibitors;
• •Patient treated with more than one prior chemotherapy regimen for recurrent/metastatic disease
• •Patient has symptomatic CNS metastases. Patients with asymptomatic CNS metastases may participate in this trial. The patient must have completed any prior local treatment for CNS metastases ≥ 28 days prior to the start of study treatment (including radiotherapy and/or surgery) and must have stable low dose of corticosteroid therapy;
• •Patient has not recovered to ≤ grade 1 (except alopecia) from related side effects of any prior antineoplastic therapy
• •Patient has any of the following cardiac abnormalities:symptomatic congestive heart failure, history of documented congestive heart failure (New York Heart Association functional classification III-IV), documented cardiomyopathy, Left Ventricular Ejection Fraction (LVEF) \<50% as determined by Multiple Gated acquisition (MUGA) scan or echocardiogram (ECHO); myocardial infarction ≤ 6 months prior to enrolment, unstable angina pectoris, serious uncontrolled cardiac arrhythmia, symptomatic pericarditis, QTcF \> 480 msec on the screening ECG (using the QTcF formula);