tTF-NGR Randomized Study - STS

Patients will receive standard trabectedin 1.5 mg/m2 as a 24-hour central intravenous (IV) infusion on day 1, q d 22 x until disease progression or contraindications against further application.

Patients will receive standard trabectedin according to arm 1 plus 0.5 mg/m2 of tTF-NGR (1-hour ratecontrolled infusion, port central venous access, 0.9 % NaCl ad 100 mL) on days 2 and 3 following each trabectedin cycle (within 1 hour interval between end of trabectedin infusion and tTF-NGR: e.g.: trabectedin on monday 8 am to tuesday 8 am followed by tTF-NGR on tuesday 9 am and on the following day, q d 22 x until disease progression or contraindications against further application.