Definition of cyclosporin in English:

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Pronunciation: /ˌsʌɪklə(ʊ)ˈspɔːrɪn/
(also cyclosporin A, cyclosporine)


[mass noun] Medicine
A drug with immunosuppressive properties used to prevent the rejection of grafts and transplants. A cyclic peptide, it is obtained from a fungus.
  • This drug is obtained from the fungus Trichoderma polysporum.
Example sentences
  • Immunosuppressive drugs such as steroids and cyclosporin are successful in preventing rejection.
  • Other systemic immunosuppressive drugs, such as cyclosporine, azathioprine and methotrexate, may be added to steroid therapy.
  • The lung disease progressed over the last year despite treatment with steroids, cyclosporine, cloxacillin, and gamma globulin.


1970s: from cyclo- + -sporin (from Latin spora 'spore') + -in1.

For editors and proofreaders

Line breaks: cyclo|sporin

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