- Published
- Updated
A scientifically strong study may contribute only limited information to the intended purpose of the device under evaluation. Applicability review explains how the studied population, setting and outcome relate to the claim. Methodological quality and direct relevance are different assessments.
Scope of the decision
Superficial product similarity is insufficient. Device version, user profile, accompanying care and follow-up may affect interpretation. Where another product’s data are proposed as direct device evidence, address the necessary equivalence assessment separately; similarity is not automatic equivalence.
Worked review
For example, a good study conducted with adults in specialist centres is considered for a claim covering broader care settings. The team does not extrapolate the result to every setting. It examines differences in user experience and patient characteristics, explains the supported part of the claim and identifies the remaining evidence gap.
Practical checks
- Compare the study population and setting with the intended use scope.
- Assess possible effects of device, user and care differences on results.
- Separate direct product evidence from contribution to general clinical context.
Acceptance and limits
Acceptance requires understandable boundaries for interpreting the data and any additional rationale. A strong study does not support every claim. Evidence with limited applicability may explain context, but should not silently fill the absence of necessary direct evidence.
Frequently asked questions
- Is high quality sufficient?
- No. A clear connection to the relevant device and intended purpose is also needed.
- Do similar-product data prove equivalence?
- Not alone. Appropriate technical, biological and clinical assessment must be addressed within its own requirements.