EndoTAG-1+GEM vs GEM in Patients With Locally Advanced/Metastatic Pancreatic Adenocarcinoma Failed on FOLFIRINOX

Inclusion Criteria: 1. Age ≥ 18 years 2. Written informed consent 3. Histologically or cytologically confirmed adenocarcinoma of the pancreas 4. Metastatic or locally advanced disease that is considered unresectable 5. Measurable / assessable disease according to RECIST v.1.1 6. Documented disease progression on first line FOLFIRINOX 7. Negative pregnancy test 8. Both male and female patients and their partners of childbearing potential must agree to use two medically accepted methods of contraception (e.g., barrier contraceptives \[male condom, female condom, or diaphragm with a spermicidal gel\], hormonal contraceptives \[implants, injectables, combination oral contraceptives, transdermal patches, or contraceptive rings\], or one of the following methods of birth control (intrauterine devices, tubal sterilization or vasectomy) or must practice complete abstinence from intercourse of reproductive potential during the course of the study and for 90 days after last treatment (excluding women who are not of childbearing potential and men who have been sterilized). 9. ECOG performance status 0 or 1 Exclusion Criteria: 1. Cardiovascular disease, New York Heart Association (NYHA) III or IV 2. History of severe supraventricular or ventricular arrhythmia 3. History of coagulation or bleeding disorder 4. History of acute myocardial infarction within 6 months before randomization 5. History of congestive heart failure 6. Acute or chronic inflammation (autoimmune or infectious) 7. Significant active/unstable non-malignant disease likely to interfere with study assessments 8. Laboratory tests (hematology, chemistry) outside specified limits: 1. WBC ≤ 3 x 10³/mm³ 2. ANC ≤ 1.5 x 10³/mm³ 3. Platelets ≤ 100.000/mm³ 4. Hb ≤ 9.0 g/dl (≤ 5.6 mmol/l) 5. aPTT \> 1.5 x ULN 6. Serum creatinine \> 2.0 mg/dl (\> 176.8 μmol/l) 7. AST and/or ALT \> 2.5 x ULN; for patients with significant liver metastasis AST and/or ALT \> 5 x ULN 8. Alkaline phosphatase \> 2.5 x ULN 9. Total bilirubin \> 2 x ULN 10. Albumin \< 2.5 g/dL 9. Clinically significant ascites 10. Any anti-tumor treatment (except FOLFIRINOX as the first-line therapy) for pancreatic adenocarcinoma before enrollment. Note: Patients who have undergone surgical interventions for pancreatic adenocarcinoma will be eligible. 11. Any radiotherapy for pancreatic adenocarcinoma before enrollment except for treatment of bone metastases if target lesions are not included in the irradiated field 12. Major surgery \< 4 weeks prior to enrollment 13. Pregnant or nursing 14. Investigational medicinal product \< 4 weeks of enrollment 15. Documented HIV history 16. Active hepatitis B infection requiring acute therapy Note: Subjects infected by the hepatitis B virus will be eligible for the study if they have no signs of hepatic decompensation and meet the liver function tests eligibility criteria. 17. Known hypersensitivity to any component of the EndoTAG-1 and/or gemcitabine formulations 18. History of malignancy other than pancreatic cancer \< 3 years prior to enrollment, except nonmelanoma skin cancer or carcinoma in situ of the cervix treated locally 19. Vulnerable populations (e.g. subjects unable to understand and give voluntary informed consent)