National Toxicology Program

National Toxicology Program
http://ntp.niehs.nih.gov/go/nm-n91221

Nomination Summary for Cimetidine (N91221)

Cimetidine

Specific Substances: Cimetidine

Nomination Date: 03/11/1991

Nominator: Private Individual

Rationale: This commonly used gastric acid inhibitor appears to increase SCE frequency in ulcer patients and following in-vitro incubation of human lymphocytes. It also produces chromosomal aberrations in rodent models. Inadequate testing for carcinogenicity.

NTP Principles: not specified

Status: In Review/Pending


Agents and Status

The following information relates to the specific agent and may include history from earlier or later nominations for this same agent.

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CASRN: 51481-61-9

Agent Name: Cimetidine

  • No studies are available.
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.