Periodic Adverse Drug Experience Reports (PADER) are regulatory documents pharmaceutical companies are required to submit to the U.S. Food and Drug Administration (FDA) and other global regulatory bodies. These reports provide a summary of adverse drug experiences, including side effects and medication errors, gathered during the post-marketing phase of a drug's lifecycle. The primary goal of PADER is to ensure ongoing evaluation of a drug's risk-benefit balance after it has been approved for use.

What is the Importance of PADER?

Regulatory Compliance: PADER submissions are mandated by regulatory authorities to ensure pharmaceutical companies continuously monitor their drugs' safety profiles. This compliance is crucial for maintaining the marketing authorization of a drug.

Patient Safety: By systematically collecting and analyzing adverse event data, PADER helps in identifying potential safety issues that may not have been apparent during the pre-marketing phase. This proactive approach significantly contributes to protecting patient health and well-being.

Continuous Monitoring of Drug Safety: PADER allows for the ongoing assessment of a drug's safety profile, capturing long-term and rare adverse effects that clinical trials may not uncover. This continuous monitoring is vital for the early detection of safety signals and the implementation of necessary actions to mitigate risks.

Roles of Periodic Adverse Drug Experience Report

Data Collection and AnalysisPADER involves the systematic collection, analysis, and interpretation of data related to adverse drug experiences. This process includes gathering information from healthcare professionals, patients, and literature reports.

Reporting Adverse Drug Experiences: The core role of PADER is to report these experiences in a structured and comprehensive manner, highlighting any new, serious, or unexpected adverse events.

Regulatory Submission: PADERs are submitted at defined intervals (quarterly or annually) to regulatory affairs agencies. These submissions are critical for the agencies' oversight of drug safety and for making informed decisions regarding a drug's market status.

What are the Functions of Periodic Adverse Drug Experience Report

Identification of New Adverse Effects: PADER plays a crucial role in identifying new or rare adverse effects that were not detected during the initial clinical trials. This identification is key to understanding a drug's complete safety profile.

Risk Assessment and Management: Through the data provided in PADER, pharmaceutical companies and regulators can assess the risk associated with a drug's use. This assessment informs risk management strategies, including potential drug recalls, modifications in usage recommendations, or updates to safety information.

Informing Updates to Drug Labeling and Usage Guidelines: The insights gained from PADER can lead to updates in drug labeling, including warnings, contraindications, and precautions. These updates help healthcare providers and patients make informed decisions about drug use.


Periodic Adverse Drug Experience Reports are an essential component of post-marketing drug surveillance, ensuring that the benefits of a drug continue to outweigh its risks throughout its market life. By fostering a culture of transparency and continuous monitoring, PADER plays a pivotal role in safeguarding patient safety and maintaining public trust in pharmaceutical products. Through the effective implementation of PADER, the pharmaceutical industry can respond swiftly to emerging safety information, thereby upholding the highest standards of drug safety and efficacy.

How can we help you?
Call us on:+1 (302) 601-2755
Contact our experts today !