Pharmacokinetics Study of Oral Ixazomib (MLN9708) in Relapsed/Refractory Multiple Myeloma and Advanced Solid Tumors Participants With Normal Renal Function or Severe Renal Impairment

The drug tested in this study was called ixazomib (MLN9708). Ixazomib was administered to participants with cancer and either normal renal function or severe renal impairment, including end-stage renal disease (ESRD) requiring hemodialysis. This study characterized the PK, safety and efficacy of ixazomib. The study enrolled 41 participants (37 multiple myeloma and 4 advanced solid tumor). The study was conducted in 2 parts, Part A and Part B. Participants were enrolled to receive: * Ixazomib 3.0 mg In Part A, all participants were asked to take one 3 mg ixazomib capsule, orally on Day 1. Participants who tolerated ixazomib in Part A had the option of continuing the study by participating in Part B. In Part B, participants received ixazomib (4, 3, or 2.3 mg per protocol) on Days 1, 8, and 15 of each 28-day cycle until participants experienced disease progression or unacceptable toxicity. This multicenter trial was conducted at 6 study sites in the United States and Canada. The overall time to participate in this study was 435 days. Participants made multiple scheduled visits to the clinic.