• G R Newell, M R Spitz, and M B Wilson.
• Department of Cancer Prevention and Control, University of Texas, M.D. Anderson Hospital, Houston 77030.
• NIDA Res. Monogr. 1988 Jan 1; 83: 1-14.

AbstractThere are important reasons for considering nitrite inhalation as a factor in the development of AIDS-related KS in young male homosexuals. These are (1) the pharmacologic properties of amyl, butyl, and isobutyl nitrites, which are toxic; (2) the mutagenic, teratogenic, and carcinogenic products resulting from metabolism of N-nitroso compounds; (3) the potent carcinogenicity of N-nitroso compounds in 39 different animal species; and (4) the deleterious effects of volatile nitrites on human lymphocytes both in vitro and in vivo. Specifically related to this epidemic, there are additional reasons for pursuing the connection between nitrite inhalation and development of KS. These include: (1) the timing of the production and sales of volatile nitrites for use as recreational drugs and the subsequent outbreak of the AIDS epidemic (7 to 10 years); (2) the extensive use of nitrites among male homosexuals; (3) the virtual universal history of nitrite use by young male homosexuals in whom KS has developed during the past 3 years; and (4) the age group in which KS is developing is consistent with a cohort initially exposed 7 to 10 years ago.

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