Chemotherapy Plus Bevacizumab in Elderly Non-small Cell Lung Cancer Patients

Inclusion Criteria:

* Written informed consent confirming that the patient understands the study objective and the procedures required.
* Patients must be able to accomplish with the study protocol.
* Men and women ≥70 years old.
* Histologically or cytologically confirmed diagnosis of non-squamous non-small cell lung cancer (NSCLC) with EGFR gen mutational status negative or non-determinable.
* Patients with stage IV disease.
* Patients who have not received first-line treatment
* Patients with ECOG performance status 0 or 1.
* Adequate bone marrow function, defined as:

Absolute neutrophil count (ANC) ≥1.500/mm3 or ≥1.5x109/L; Hemoglobin ≥ 9 g/dL. Platelet count ≥ 100.000/mm3. • Adequate renal function, defined as: Creatinine clearance ≥ 40 ml/min, according to MDRD formula. Urine dipstick proteinuria \<2+. If urine dipstick for proteinuria ≥2+ 24 hours urine must be collected within 24 hours, and proteins must be less than 1 g.

• Fertile males must use an effective contraceptive method (error rate per year \<1%) during the trial and until 6 months after the last study treatment dose, such as sexual abstinence, previous vasectomy and/or having a partner using any of following methods: implantables, injections, combined oral contraceptives and/or intrauterine device (hormonal only).

Exclusion Criteria:

* Previous chemotherapy for advanced NSCLC.
* History of haemoptysis grade ≥ 2 (defined as at least 2.5 mL of bright red blood) in the 3 months before inclusion.
* Major surgery (including open biopsy), significant traumatic injuries in the 28 days before inclusion or anticipation of the need of major surgical procedure during the treatment period
* Minor surgery, including permanent catheter insertion, in the 24 hours before bevacizumab infusion.
* Untreated brain metastases. Patients with CNS metastases treated with radiotherapy or surgery may be included if there is no evidence of progression after treatment
* Radiological evidence of a tumor that invades or is adjacent to a main blood vessel (e.g. lung artery or superior cava venous).
* Radiotherapy, in any lesion and for any reason, within 28 days before inclusion. Palliative radiotherapy for bone lesions within 14 days before inclusion is allowed.
* Treatment with aspirin (\>325 mg/day) or clopidogrel (\>75 mg/day) within 10 days prior to bevacizumab first dose. Use of full dose of oral or parenteral anticoagulants or thrombolytic agents in therapeutic doses. Prophylactic use of anticoagulant therapy is allowed.
* Uncontrolled hypertension (systolic BP \>140 mmHg, diastolic BP \>90mmHg) in the 28 days previous to inclusion or history of hypertensive crisis , or hypertensive encephalopathy.
* Clinically significant cardiovascular disease (i.e. cerebrovascular accident (CVA), myocardial infarction within 6 months prior to inclusion, unstable angina, congestive cardiac insufficiency NYHA ≥ II, left ventricular ejection fraction (LVEF) \<50% or serious cardiac arrhythmia), not responding to treatment or that can interfere with trial treatment administration.
* Not healed wounds, active peptic ulcer or untreated bone fracture.
* Hypersensibility to any of the active ingredients of the study treatment (bevacizumab, carboplatine and paclitaxel) or any of its excipients.
* Serious cognitive impairment that limits the patient to understand and answer the study questionnaires.
* Inability to comply with the study protocol and/or follow-up procedures due to psychological, familiar, social or geographical problems
* Patients with an ADL score \<5 at the screening.
* Patients with dementia: 9-12 points in the Folstein MMS at the screening.
* Patients accomplishing fragility Balducci criteria at the screening:

Age ≥ 85 years old Dependence in 1 or more ADL \>3 comorbidities \>1 geriatric syndrome