An Open-label, Multicenter, Dose Escalation, First-in-Human Study to Investigate the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of Subcutaneously Administered RO7507062 in Participants With Systemic Lupus Erythematosus
The purpose of this study is to investigate the safety, tolerability, pharmacokinetics (PK) and pharmacodynamics (PD) of RO7507062 in participants with systemic lupus erythematosus (SLE). The study will have 2 parts: Part 1 is a single ascending dose-finding (SAD) part and Part 2 is a dose escalation with fractionated dosing part.
• Participants must have a diagnosis of SLE according to the 2019 European League Against Rheumatism (EULAR) or American College of Rheumatology (ACR) Classification Criteria at least 24 weeks prior to Screening and should have been treated for SLE according to standard clinical practice.
• Presence of anti-double stranded DNA (dsDNA), anti-Smith (Sm), anti-ribonucleoprotein (RNP) or anti-Sjögren's syndrome antigen A (SS-A) above the upper limit of normal (ULN); or, positive anti-nuclear antibody (ANA; ≥ 1:160).
• Active SLE disease, as demonstrated by the Systemic Lupus Erythematosus Disease Activity Index 2000 (SLEDAI-2K) total score of ≥4 with at least 1 positive clinical item.
• For participants receiving oral corticosteroids (OCS), treatment with ≤ 20 milligram per day (mg/day) prednisone or equivalent, during Screening, at a dose that has been stable for at least 7 days prior to Day 1.
• For participants receiving conventional immunosuppressants (e.g., azathioprine, sulfasalazine, mycophenolate mofetil \[≤ 3.0 grams per day\], mycophenolic acid \[≤ 3 grams per day\], methotrexate \[oral, SC, or intramuscular routes\]), and calcineurin inhibitors \[oral\]), treatment should be at a stable dose for at least 6 weeks prior to Screening and during Screening and expected to remain stable during the study.