What types of data are typically used in retrospective studies?

Retrospective studies often utilize clinical records, historical trial data, and patient registries.

How can retrospective studies influence drug approval processes?

The insights drawn from retrospective studies can enhance the understanding of drug safety and efficacy, thereby aiding in the submission of comprehensive value dossier development to support regulatory approvals.

Are there limitations to retrospective studies?

Yes, retrospective studies may suffer from biases and a lack of control over confounding variables. This necessitates careful design and analysis to validate findings.