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Clefamide (trade name Mebinol) is an antiprotozoal agent that was used to treat amoebiasis in the 1960s. There is no evidence for any later use of the drug.
References
Rodrigues LD, Jafferian PA, Vilella M, Costa AA, de Mello EB (November 1968). "". Hospital. 74 (5): 1563–73. PMID5305335.