9. In countries where sunitinib or everolimus are marketed, patients with GEP NET and lung NET will be progressive under this prior anti-tumor treatment for the respective indication. Patients not suitable for everolimus/sunitinib therapy according to a tumor board decision (or comparable local practice) may also be enrolled into the study. Patients having everolimus/sunitinib therapy should have a wash-out phase of ≥ 4 weeks before the first treatment.