Niclosamide Therapy for Tapeworm Infections

Editorials1 April 1985Niclosamide Therapy for Tapeworm InfectionsRICHARD D. PEARSON, M.D., ERIK L. HEWLETT, M.D.RICHARD D. PEARSON, M.D., ERIK L. HEWLETT, M.D.Author, Article, and Disclosure Informationhttps://doi.org/10.7326/0003-4819-102-4-550 SectionsAboutPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinkedInRedditEmail ExcerptNiclosamide [N-(2′-chloro-4′-nitrophenyl)-5-chlorosalicylamide] was developed at Bayer A. G. (1-3) and initially shown to be effective against Hymenolepis diminuta, the rat tapeworm, a cestode that occasionally infects humans. Subsequent studies in animals and humans showed that niclosamide was poorly absorbed and non-toxic after oral administration (2) and that it was active against a number of tapeworms that infect humans. Niclosamide is also used in veterinary practices and as a molluscicide.Niclosamide first became commercially available outside the United States in 1961 (Yomesan; Bayer A.G., Wuppertal, West Germany), but until recently it could be obtained in this country only as an investigational...References1. GÖNNERTSCHRAUFSTÄTTER VE. Experimentelle Untersuchungen mit N-(2′-Chlor-4′-Nitrophenyl)-5-Chlorsalicylamid, einem neuen Bandwurmmittel: 1. Mitteilung: chemotherapeutische Versuche. Arzneimittelforsch. 1960;10:881-4. MedlineGoogle Scholar2. HECHTGLOXHUBER VC. Experimentelle Untersuchungen mit N-(2′-Chlor-4′-Nitrophenyl)-5-Chlorsalicylamid, einem neuen Bandwurmmittel: 2. Mitteilung: toxikologische Untersuchungen. Arzneimittelforsch. 1960;10:884-5. MedlineGoogle Scholar3. GÖNNERTJOHANNISSCHRAUFSTÄTTERSTRUFE RJER. Konstitution und Cestocide Wirkung in der Yomesan-Reihe. Medizin Chem (Leverkusen, Ger.). 1963;7:540-67. Google Scholar4. PERERAWESTERNSCHULTZ DKM. Niclosamide treatment of cestodiasis: clinical trials in the United States. Am J Trop Med Hyg. 1970;19:610-2. CrossrefMedlineGoogle Scholar5. BROWNNEVA HF. Basic Clinical Parasitology. 5th ed. Norwalk, Connecticut: Appleton-Century-Crofts; 1983:175-90. Google Scholar6. ABRAMSSTEFTELHEINZ GHH. The treatment of human tapeworm infections with 'Yomesan.' S Afr Med J. 1963;37:6-8. MedlineGoogle Scholar7. AHKAMIHADJIAN SA. The appearance of the scolex of Taenia saginata in the stool after the eradication of the parasite by niclosamide. Z Tropenmed Parasitol. 1969;20:341 -5. MedlineGoogle Scholar8. LENGYELBANKILEVAI AGJ. Data on the symptomatology and treatment of taeniasis. Indian J Med Res. 1969;57:699-705. MedlineGoogle Scholar9. NAGATYRIFAATSALEM HMS. Clinical trials with 'Yomesan' in Hymenolepis nana infection. J Trop Med Hyg. 1962;65:128-9. MedlineGoogle Scholar10. GHERMAN I. [Observations on the treatment of taeniasis with niclosamide.] Bull Soc Pathol Exot. 1968;61:432-4. 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