A Phase 2a of RSLV-132 in Subjects With Systemic Lupus Erythematosus (SLE)

Inclusion Criteria:

• CLASI score greater than or equal to 10 at Baseline
• Positive for one or more RNA autoantibodies

Exclusion Criteria:

1. severe, active central nervous system (CNS) involvement at Screening;
2. severe renal involvement at Screening (urine protein/creatinine ratio of >200 mg/mmol, or an estimated creatinine clearance of <30 mL/min);
3. use of cyclophosphamide within 3 months of the Baseline visit;
4. use of rituximab within 6 months of the Baseline visit;
5. use of belimumab within 3 months of the Baseline visit;
6. use of background medications within 1 month of Baseline in excess of: i. mycophenolate mofetil > 3 g/day; ii. azathioprine > 200 mg/day; iii. methotrexate > 25 mg/day; iv. hydroxychloroquine > 400 mg/day; v. prednisone (or equivalent) > 15 mg/day;
7. use of an intravenous steroid "pulse" within 2 months of Baseline;
8. use of an intramuscular steroid injection within 1 month of Baseline;
9. change in SLE medications within 1 month of Baseline;
10. the presence of a clinically significant infection in the judgement of the Investigator within seven days prior to the receipt of the first dose of study drug;
11. positive viral load test for hepatitis B, C, or HIV at Screening;
12. participation in another clinical trial with receipt of an investigational product within 3 months or 5 half- lives, of last administration (whichever is longer) from Baseline;
13. positive pregnancy test at Screening or at Baseline;
14. female subjects currently breast feeding at Baseline;
15. inability or unwillingness to comply with protocol-specified procedures which, in the opinion of the Investigator, would make the subject unsuitable for study participation.