Last Updated：2025/11/28

Any disease for which drugs are not usually developed because it is too rare to make the development profitable.

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orphan disease

Source Word

orphan disease

Any disease for which drugs are not usually developed because it is too rare to make the development profitable.

Japanese Meaning

医薬品の開発が経済的に成立しにくいほど希少な病気。 / 通常、製薬企業が研究開発を行わない、まれな疾患としての疾病。

The nonprofit launched a program to fast-track treatments for patients with an orphan disease.

その非営利団体は、患者数が少なく製薬企業が採算面から薬を開発しないことが多い希少疾患の患者への治療を迅速に進めるためのプログラムを開始した。

Sense（1）

Any disease for which drugs are not usually developed because it is too rare to make the development profitable.

orphan diseases

（ plural ）