Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Name | Platform | Indication | Status | Collaboration |
| --- | --- | --- | --- | --- |
| TRU-015 | SMIP | Rheumatoid arthritis | Phase 2b | Wyeth |
| SBI-087 | SMIP | Rheumatoid arthritis | Phase 1 | Wyeth |
| SBI-087 | SMIP | Systemic lupus erythematosus | Phase 1 | Wyeth |
| TRU-016 | SMIP | Chronic lymphocytic leukemia | Phase 1/2 | Trubion Proprietary Technology |
| TRU-016 | SMIP | Non-Hodgkin lymphoma | Pre-clinical | Trubion Proprietary Technology |
| TRU-016 | SMIP | Autoimmune disease and inflammation | Pre-clinical | Trubion Proprietary Technology |
Question:
What did the phase 2b status target?
Answer:
Rheumatoid arthritis