Temsirolimus With or Without Cetuximab in Patients With Recurrent and/or Metastatic Head and Neck Cancer Who Did Not Respond to Previous Therapy

Inclusion Criteria: * Histologically/cytologically confirmed diagnosis of squamous cell carcinoma of head and neck origin not amenable to curative intent therapy; information on prior exposure to cetuximab (duration, single agent/combined with chemotherapy/combined with radiation, best response, interval prior to study entry) will be collected * Progressive disease by RECIST criteria (or unequivocal clinical progression) on a cetuximab based therapy in any line of therapy for recurrent/metastatic disease; prior use of cetuximab for recurrent/metastatic disease is defined as palliative intent use either alone or in combination with chemotherapy with a minimum of 2 weeks of uninterrupted treatment with cetuximab; treatment with cetuximab during radiotherapy or chemoradiotherapy is not sufficient * Eastern Cooperative Oncology Group (ECOG) performance status of 0, 1 * Presence of measurable lesions by RECIST: patients must have measurable disease, defined as at least one lesion that can be accurately measured in at least one dimension (longest diameter to be recorded) as \>= 20 mm with conventional techniques or as \>= 10 mm with spiral computed tomography (CT) scan * Knowledge of the anatomic site of the original tumor (oropharynx versus non-oropharynx) or alternatively human papilloma virus (HPV) status; the trial will stratify patients by oropharynx versus non-oropharynx origin; HPV(+) tumors will be counted in the oropharynx cohort, HPV(-) tumors in the non-oropharynx cohor…