Orphan Disease

or·phan disease (ôrfn)

n.

A disease that is so rare that it is not considered commercially viable to develop drugs to treat it.

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orphan disease

[ôr′fən]

any rare health disorder for which no treatment has been developed. See also orphan drug.

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Orphan Disease

Any disorder affecting less than 200,000 people in the US (less than one per 1,000 people)—regarded by the pharmaceutical industry as too rare for developing commercially viable products

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orphan disease

Medtalk A disorder affecting < 200,000 people–US–ie, < 1/1000 people. See NICODARD, NORD.