A one-off dose of an antimalarial drug in a rectal suppository can buy crucial time for patients with severe malaria who can't easily access healthcare, say researchers.

科学家说，一种一次性的抗疟药直肠栓剂可以为患有恶性疟疾的患者争取至关重要的时间。这些患者可能无法容易地获得医疗。

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Artemisinin and its derivatives represent an important new class antimalarial drug.

青蒿素及其衍生物代表着一类新型抗疟药。

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Ranbaxy is also codeveloping an antimalarial drug with the Geneva-based nonprofit Medicines for Malaria Venture.

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Other lupus sufferers might be prescribed an antimalarial drug called hydroxychloroquine.

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But the only firm that achieved any success was Novartis, which in 1998 developed Coartem, an antimalarial drug that combines artemisinin, an extract from the sweet wormwood plant, with a compound called lumefantrine.

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