What question did this study set out to answer?

This study aims to investigate the potential tumorigenic effects of trisodium nitrilotriacetic acid in rats over two years.

Renal Tumors in Rats Given Trisodium Nitrilotriacetic Acid in Drinking Water for 2 years

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Randomized trial reveals increased renal tumor incidence in rats exposed to trisodium nitrilotriacetic acid, suggesting carcinogenic potential.

This study aims to investigate the potential tumorigenic effects of trisodium nitrilotriacetic acid in rats over two years.
196 albino male rats received 1000 ppm trisodium nitrilotriacetic acid in drinking water for 2 years.
192 control rats were given water without trisodium nitrilotriacetic acid.
Survivors and ill animals were euthanized, with assessments of tumor incidence.
NTA-treated rats showed a significantly higher mortality rate (19.7% vs. 11.2%) in the first 550 days (P<0.05).
25 NTA-treated rats developed renal adenomas, while only 5 control rats experienced the same condition.
No significant differences in other tumor types were noted, but more NTA-treated rats exhibited severe renal tubular cell hyperplasia.

Goyer et al. (1981) studied this question.

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Randomized trial reveals increased renal tumor incidence in rats exposed to trisodium nitrilotriacetic acid, suggesting carcinogenic potential.