How often must IACUC reviews of animal use protocols occur?

• A. At least once every two years
• B. Once a year
• C. At least once every three years
• D. Every five years

Answer: (C)

The requirement for IACUC reviews of animal use protocols stipulates that these reviews must occur at least once every three years. This timeframe is established to ensure that the protocols remain compliant with legal and ethical standards for animal care and use in research. It allows for a systematic evaluation of the continued appropriateness of the research methodologies, animal welfare considerations, and any changes in regulatory requirements or scientific practices that may affect the treatment of animals in research.

By conducting reviews every three years, IACUCs can assess the relevance of the animal use, ensure proper welfare standards, and confirm that the research objectives still justify the use of animals. This periodic review is key to fostering responsible animal research practices that align with established ethical guidelines and health regulations.

The other options suggest shorter or longer review intervals that do not meet the regulatory standards set forth by the federal government, thereby failing to adequately ensure ongoing compliance and ethical oversight.