A Randomized, Double-blind, Parallel Group, Placebo-controlled Multicenter Study to Evaluate Efficacy, Safety and Tolerability of Ianalumab in Participants With Diffuse Cutaneous Systemic Sclerosis

Key Inclusion Criteria: * Male and female participants \>= 18 and =\< 70 years (at the time of the screening visit). * Diagnosis of systemic sclerosis, as defined by the 2013 American College of Rheumatology/ European League Against Rheumatism (ACR/EULAR) classification criteria for SSc (van den Hoogen et al 2013) and meet the dcSSc subset classification according to LeRoy (LeRoy 1988) * Disease duration of =\< 60 months (defined as time from the first non-Raynaud phenomenon manifestation, e.g., puffy hands, scleroderma, digital ulcers, arthralgia, dyspnea) * mRSS units of \>= 15 and =\< 45 a…