Additional Study Information: The purpose of this study is to determine the effectiveness and safety of a study drug called abituzumab in subjects with systemic sclerosis-associated interstitial lung disease (SSc-ILD). The study will also look at the following: How the study drug affects other symptoms of SSc-ILD -How safe the study drug is (i.e. if there are any side effects) -How the study drug affects the skin in patients with SSc-ILD who also have extensive skin involvement (a condition called diffuse cutaneous SSc or dcSSc) -How the study drug affects quality of life -How the body absorbs, breaks down, and gets rid of the study drug