Study of Oral Ixazomib in Combination With Melphalan and Prednisone in Participants With Newly Diagnosed Multiple Myeloma

Inclusion Criteria:

Is indicated with standard melphalan prednisone (MP) treatment and is not a candidate for high-dose therapy plus stem cell transplantation (HDT-SCT) for 1 of the following reasons: the participant is 65 years of age or older OR the participant is less than 65 years of age but has significant comorbid condition(s) that are likely to have a negative impact on tolerability of HDT-SCT
Is diagnosed with symptomatic multiple myeloma or asymptomatic myeloma with myeloma-related organ damage according to standard criteria
Has measurable disease as specified in study protocol
Has Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 2
Has adequate hematologic, liver, and renal function

Exclusion Criteria

Has peripheral neuropathy that is greater or equal to Grade 2
Has major surgery or radiotherapy within 14 days before the first dose of study drug
Has uncontrolled infection requiring systematic antibiotics
Has diarrhea (> Grade 1)
Has prior systemic therapy for multiple myeloma, including investigational drugs (prior treatment with corticosteroids or localized radiation therapy dose not disqualify the participantt)
Has central nervous system involvement
Has cardiac status as described in protocol
Has known gastrointestinal condition or procedure that could interfere with swallowing or the oral absorption of tolerance of IXAZOMIB - Diagnosis of smoldering multiple myeloma, Waldenstrom's macroglobulinemia, POEMS syndrome, plasma cell leukemia, primary amyloidosis, myelodysplastic syndrome, or myeloproliferative syndrome
Has Known human immunodeficiency virus (HIV) positive, hepatitis B surface antigen-positive status, or known or suspected active hepatitis C infection
Is diagnosed or treated for another malignancy within 2 years before the first dose or previously diagnosed with another malignancy and have any evidence of residual disease with the exception of nonmelanoma skin cancer or any completely resected carcinoma in situ
Has serious medical or psychiatric illness that could, in the investigator's opinion, potentially interfere with the completion of treatment according to the protocol