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A Phase 1 Study Evaluating the Safety, Pharmacokinetics, and Anti-tumor Activity of ABBV-321 in Subjects With Advanced Solid Tumors Associated With Overexpression of the Epidermal Growth Factor Receptor (EGFR) or Its Ligands
This is an open-label, Phase 1, dose-escalation study to determine the maximum tolerated dose (MTD) and the recommended phase two dose (RPTD), and to assess the safety, preliminary efficacy, and pharmacokinetic (PK) profile of ABBV-321 for participants with advanced solid tumors likely to overexpress the epidermal growth factor receptor (EGFR) or its ligands. The study will consist of 2 phases: Dose Escalation Phase and Expanded Safety Phase. In the dose escalation phase ABBV-321 will be administered via intravenous infusion at escalating dose levels until the maximum tolerated dose is reached and a recommended Phase 2 dose is determined.