| Recruiting | 2 | 100 | US | Ruxolitinib, Jakafi, INCB018424, Placebo (for Ruxolitinib) | Julie Nangia, Incyte Corporation, Translational Breast Cancer Research Consortium | Ductal Carcinoma In Situ, Atypical Lobular Hyperplasia, Atypical Ductal Hyperplasia, Lobular Carcinoma In Situ | 12/24 | 01/25 | | |