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Table 3 PROM categories, definitions, and examples

From: To what degree are orphan drugs patient-centered? A review of the current state of clinical research in rare diseases

PROM category name

Definition

Example(s)

Rare disease-specific

Developed for a particular rare disease and used in a trial for that disease

Hemophilia-Specific Quality of Life Index for Children Questionnaire used in a trial for children with hemophilia

Non-rare disease- specific

Developed for a disease which is not a rare disease, but used in a rare disease trial

Dermatology Life Quality Index used in trials for adult patients with pemphigus vulgaris or facial angiofibroma

Generic

Developed for generic use and used in a rare disease trial

SF-36 used in trials for adults with Addison’s disease or EQ-5D used in trials for adults with progressive supra-nuclear palsy

Includes generic measures used in populations of children and the elderly

PedsQL used in trials for children with mitochondrial diseases, cystinosis, or childhood idiopathic nephrotic syndrome

Study-specific

A measure whose name is not provided or is defined as study-specific

Quality of life changes over time and between the treatment groups used in trials with patients with immune thrombocytopenic purpura