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OncoMed initiates second Phase 1b clinical trial of vantictumab

OncoMed Pharmaceuticals announced that it has started a multi-center Phase 1b clinical trial of its first-in-class Wnt-pathway-targeting antibody vantictumab with docetaxel in non-small cell lung cancer, or NSCLC. This trial is the second of three Phase 1b trials for vantictumab that OncoMed expects to initiate this year as part of OncoMed's collaboration with Bayer Pharma AG. The Phase 1b clinical trial is a dose escalation study of the anti-CSC antibody vantictumab in combination with docetaxel in patients with second- and third-line advanced NSCLC. Primary objectives of the trial are to evaluate safety of this combination regimen and determine a recommended Phase 2 dose for vantictumab in combination with docetaxel. Key secondary and exploratory objectives include evaluation of the pharmacokinetics and pharmacodynamics of vantictumab and the efficacy of this combination. Tumor tissue from patients will be used to explore predictive biomarker hypotheses related to the efficacy of vantictumab.