Here are the ARRY-520 abstracts I found ARRY-520 Shows Durable Responses in Patients with Relapsed/Refractory Multiple Myeloma in a Phase 1 Dose-Escalation Study ? http://ash.confex.com/ash/2011/webprogram/Paper41766.html The Novel KSP Inhibitor ARRY-520 Demonstrates Single-Agent Activity in Refractory Myeloma: Results From a Phase 2 Trial in Patients with Relapsed/Refractory Multiple Myeloma (MM) http://ash.confex.com/ash/2011/webprogram/Paper40171.html