The lack of standardized criteria for quantitative measurement of therapeutic response in
clinical trials poses a major obstacle for the development of new agents in chronic graft …

Juvenile dermatomyositis, the most common inflammatory myopathy of childhood, is a rare
systemic autoimmune vasculopathy that is characterised by weakness in proximal muscles …

The idiopathic inflammatory myopathies, including adult and juvenile dermatomyositis (DM),
polymyositis (PM), and inclusion body myositis (IBM), are rare systemic autoimmune …

Objective To develop and validate new classification criteria for adult and juvenile idiopathic
inflammatory myopathies (IIM) and their major subgroups. Methods Candidate variables …

Monozygotic (MZ) twins are partially concordant for most complex diseases, including
autoimmune disorders. Whereas phenotypic concordance can be used to study heritability …

Objective To assess the safety and efficacy of rituximab in a randomized, double‐blind,
placebo‐phase trial in adult and pediatric myositis patients. Methods Adults with refractory …

Objective In polymyositis and dermatomyositis (DM), identified autoantibodies occur in<
50% of adult patients and in a smaller proportion of children. This study was undertaken as …

Objective To develop response criteria for adult dermatomyositis (DM) and polymyositis
(PM). Methods Expert surveys, logistic regression, and conjoint analysis were used to …

Background We describe the early experiences of adults with systemic rheumatic disease
who received the COVID-19 vaccine. Methods From 2 April to 30 April 2021, we conducted …

The juvenile idiopathic inflammatory myopathies (JIIM) are systemic autoimmune diseases
characterized by skeletal muscle weakness, characteristic rashes, and other systemic …