Qualitative Extrapolation from Laboratory Assay to Humans as Seen Through the Carcinogenicity, Mutagenicity or Teratogenicity of Vinyl Chloride and Anesthetic Gases

Our plain-English summary of Qualitative Extrapolation from Laboratory Assay to Humans as Seen Through the Carcinogenicity, Mutagenicity or Teratogenicity of Vinyl Chloride and Anesthetic Gases, by J.K. Wagoner, P.F. Infante (1978).

The study

• Authors: J.K. Wagoner, P.F. Infante
• Published: Environmental Health Perspective, Volume 22. February 1978
• Type of article: Abstract
• Our copy: from Johns-Manville's own medical library. The article is still under copyright, so we describe it here rather than post it.

In plain English

This item is a short conference abstract by J.K. Wagoner (Occupational Safety and Health Administration) and P.F. Infante (National Institute for Occupational Safety and Health), not a full research report. It gives no methods, study groups or numbers. As background, the authors wrote that most agents shown to be toxic in both humans and experimental animals were first identified in people and later confirmed by animal testing. Asbestos appears only in their list of such agents, alongside soot, tar, aromatic amines, chromates, nickel carbonyl, lead and thalidomide. The abstract says the presentation covered evidence on the cancer-causing and mutation-causing properties of vinyl chloride, traced from laboratory tests to observations in humans. It also covered evidence on birth defects linked to anesthetic agents, first in animals and then in humans. The authors stated that recent observations on DES, BCME, vinyl chloride and anesthetic agents showed the value of animal tests and short-term laboratory tests as qualitative predictors of cancer, mutation and birth-defect hazards to humans. The page also contains parts of other, unrelated abstracts, which are not described here.

We wrote this plain-English summary from the full article with the help of AI, and a second AI model checked each sentence against the article. It is not the authors' wording; the abstract and the article are their own account.

What the study did and found

• Design: Conference abstract summarizing evidence (an overview presentation); no original study methods are described
• Who was studied: No specific study population is described; the abstract refers in general terms to laboratory assays, experimental animals and humans
• Exposure: Vinyl chloride and anesthetic agents (gases); DES and BCME are also mentioned. Asbestos is mentioned only as a historical example
• Main results:
  • No study findings or numbers are reported. As background, the authors listed asbestos among agents first identified as toxic in humans and later confirmed by animal bioassay
• The authors' conclusion: The authors stated that recent observations on DES, BCME, vinyl chloride and anesthetic agents demonstrate the unbiased value of animal bioassay and short-term in vitro tests as powerful qualitative predictors of carcinogenic, mutagenic and teratogenic hazards to humans

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