alexa A phase I open-label dose-escalation study of oral BIBF 1120 combined with standard paclitaxel and carboplatin in patients with advanced gynecological malignancies.


Journal of Clinical & Experimental Cardiology

Author(s): du Bois A, Huober J, Stopfer P, Pfisterer J, Wimberger P,

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Abstract BACKGROUND: The purpose of the phase I dose-escalation study was to evaluate the maximum tolerated dose (MTD) of BIBF 1120, an oral triple angiokinase inhibitor of vascular endothelial growth factor, platelet derived growth factor and fibroblast growth factor receptors, combined with paclitaxel and carboplatin. PATIENTS AND METHODS: Patients with advanced gynecological malignancies received BIBF 1120 twice-daily (b.i.d.) continuously at 100, 150, 200 or 250 mg, combined with paclitaxel (175 mg/m(2)) and carboplatin (area under the curve 5 every 3 weeks. The MTD, safety, pharmacokinetics (PK) and clinical activity were evaluated. RESULTS: Twenty-two patients were treated. Three experienced dose-limiting toxic effects in the first treatment cycle: 1 of 13 at 200 mg b.i.d. BIBF 1120 [diarrhea, common terminology criteria for adverse events (CTCAE) grade 3]; two of two at 250 mg b.i.d. BIBF 1120 (elevated alanine aminotransferase and aspartate aminotransferase, CTCAE grade 3/4). The MTD was defined as 200 mg b.i.d. Principal adverse events were gastrointestinal disorders. No clinically relevant drug-drug interaction was observed after 20 days treatment with 200 mg b.i.d. BIBF 1120 on the PK of paclitaxel or carboplatin and vice versa. CONCLUSIONS: The MTD of BIBF 1120 in a 20-day continuous dosing regimen with standard-dose paclitaxel and carboplatin was 200 mg b.i.d. This combination had an acceptable safety profile and no clinically relevant drug-drug interactions. Further evaluation of this combination is warranted in this indication. This article was published in Ann Oncol and referenced in Journal of Clinical & Experimental Cardiology

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