Conditions: Multiple Myeloma
Allocation: NON_RANDOMIZED | Intervention model: PARALLEL
Enrollment: 16
Healthy volunteers: no

Brief summary:
The purpose of this study is to evaluate the safety and effect on the body of Tabalumab (LY2127399) in combination with bortezomib and dexamethasone in Japanese participants with relapsed or refractory multiple myeloma (MM).

Detailed description:
The study has 3 cohorts. Cohort 2 and cohort 2-SC will be conducted in parallel with some data presented combined.

Cohort 1 - Participants will receive 100 mg Tabalumab (LY2127399) intravenously (IV), 1.3 milligram per square meter (mg/m\^2) bortezomib IV, and 20 mg dexamethasone orally.

Cohort 2 - Participants will receive 300 mg Tabalumab (LY2127399) IV, 1.3 mg/m\^2 bortezomib IV, and 20 mg dexamethasone orally.

Cohort 2-SC - Participants will receive 300 mg Tabalumab (LY2127399) IV, 1.3 mg/m\^2 bortezomib subcutaneously (SC), and 20 mg dexamethasone orally.

Cohort 2-SC was added per protocol amendment in February 2013.

Arms:
arm 1: Cohort 1. 100 mg tabalumab (LY2127399) intravenously (IV) on day 1 of each cycle, each cyle is 21 days. Bortezomib (BTZ), 1.3 milligram per square meter (mg/m\^2), IV on days 1, 4, 8, 11 of Cycle 1-8, then on days 1, 8, 15, 22 from Cycle 9 onward. Oral dexamethasone (Dex), 20 mg/day, on day of and day after BTZ. arm 2: Cohort 2. 300 mg tabalumab (LY2127399) IV on day 1 of each cycle, each cycle is 21 days. BTZ, 1.3 mg/m\^2, IV on days 1, 4, 8, 11 of Cycle 1-8, then on days 1, 8, 15, 22 from Cycle 9 onward. Oral dex, 20 mg/day, on day of and day after BTZ. arm 3: Cohort 2-SC. 300 mg tabalumab (LY2127399)IV on day 1 of each cycle, each cycle is 21 days. BTZ, 1.3 mg/m\^2, subcutaneously (SC) on days 1, 4, 8, 11 of Cycle 1-8, then on days 1, 8, 15, 22 from Cycle 9 onward. Oral dex, 20 mg/day, on day of and day after BTZ. Cohort 2-SC was added per protocol amendment in February 2013.

Interventions: intervention 1: Tabalumab intervention 2: Bortezomib IV intervention 3: Bortezomib SC intervention 4: Dexamethasone
Intervention descriptions: intervention 1: Administered IV intervention 2: Administered IV intervention 3: Administered SC intervention 4: Administered orally

Protocol document: