Topical Ruxolitinib Cream for Refractory Cutaneous Dermatomyositis

Inclusion Criteria

• •Patients 18 years and older with refractory cutaneous symptoms related to either classic dermatomyositis (CD), juvenile dermatomyositis (JD), or amyopathic dermatomyositis (AD). Diagnosis will be based on either Bohan and Peter criteria (CD and JD) or Sontheimer's criteria (AD) (19-22).
• •Patients must have had a skin biopsy with histologic features consistent with dermatomyositis and current cutaneous manifestations consistent with dermatomyositis.
• •Patients will be considered to have refractory disease if cutaneous manifestations exist despite treatment with systemic corticosteroids and at least one steroid-sparing systemic treatment commonly found to be useful in patients with dermatomyositis. These may include azathioprine, cyclosporine, mycophenolate mofetil, IVIG, methotrexate, hydroxychloroquine, cyclophosphamide, chlorambucil, sirolimus, tacrolimus, and rituximab.
• •Patients must have sufficiently active cutaneous involvement of dermatomyositis (BSA\>1% to \<20%, CDASI activity score \> 6, and Physician Global Assessment (PGA) activity score \>2).
• •Patients must have tried and failed at least one commonly prescribed topical medication in the past, with the last application of a topical medication to active skin lesions occurring greater than 2 weeks prior to enrollment.
• •o Commonly prescribed topical medications for dermatomyositis include corticosteroids or calcineurin inhibitors (tacrolimus or pimecrolimus).
• •Patients must have been on a stable systemic medication regimen for at least 2 months (60 days) and must agree to keep the regimen stable throughout the study period. As patients with dermatomyositis are commonly treated with combination regimens that include both topical and systemic immunosuppressive medications, any added risk of adverse effects related to ruxolitinib 1.5% cream is considered negligible.
• •Patients must be agreeable to use appropriate contraceptive measures while enrolled in the study.
• •* Women of childbearing potential must be willing to practice abstinence or use either an oral contraceptive medication or IUD if sexually active.
• •* Women of childbearing potential must be willing to have monthly urine pregnancy tests while enrolled in the study
• •* Men of childbearing potential must be willing to practice abstinence or use condoms if sexually active.